add emby media source (#201)

* properly scope jellyfin disconnect

* add emby entities

* add emby media source page

* add emby media source editor

* sync emby libraries

* enable emby library sync toggle

* add emby path replacements editor

* add emby movie synchronization

* fix emby artwork

* sync emby television

* code cleanup

* add jellyfin/emby address placeholder

* tweak jellyfin/emby address form

ErsatzTV.Application/Emby/Commands/DisconnectEmby.cs

@@ -0,0 +1,7 @@
+using ErsatzTV.Core;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record DisconnectEmby : MediatR.IRequest<Either<BaseError, Unit>>;
+}

ErsatzTV.Application/Emby/Commands/DisconnectEmbyHandler.cs

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Locking;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Interfaces.Search;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class DisconnectEmbyHandler : MediatR.IRequestHandler<DisconnectEmby, Either<BaseError, Unit>>
+    {
+        private readonly IEmbySecretStore _embySecretStore;
+        private readonly IEntityLocker _entityLocker;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+        private readonly ISearchIndex _searchIndex;
+
+        public DisconnectEmbyHandler(
+            IMediaSourceRepository mediaSourceRepository,
+            IEmbySecretStore embySecretStore,
+            IEntityLocker entityLocker,
+            ISearchIndex searchIndex)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _embySecretStore = embySecretStore;
+            _entityLocker = entityLocker;
+            _searchIndex = searchIndex;
+        }
+
+        public async Task<Either<BaseError, Unit>> Handle(
+            DisconnectEmby request,
+            CancellationToken cancellationToken)
+        {
+            List<int> ids = await _mediaSourceRepository.DeleteAllEmby();
+            await _searchIndex.RemoveItems(ids);
+            await _embySecretStore.DeleteAll();
+            _entityLocker.UnlockRemoteMediaSource<EmbyMediaSource>();
+
+            return Unit.Default;
+        }
+    }
+}

ErsatzTV.Application/Emby/Commands/SaveEmbySecrets.cs

@@ -0,0 +1,8 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Emby;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record SaveEmbySecrets(EmbySecrets Secrets) : MediatR.IRequest<Either<BaseError, Unit>>;
+}

ErsatzTV.Application/Emby/Commands/SaveEmbySecretsHandler.cs

@@ -0,0 +1,60 @@
+using System.Threading;
+using System.Threading.Channels;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class SaveEmbySecretsHandler : MediatR.IRequestHandler<SaveEmbySecrets, Either<BaseError, Unit>>
+    {
+        private readonly ChannelWriter<IEmbyBackgroundServiceRequest> _channel;
+        private readonly IEmbyApiClient _embyApiClient;
+        private readonly IEmbySecretStore _embySecretStore;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public SaveEmbySecretsHandler(
+            IEmbySecretStore embySecretStore,
+            IEmbyApiClient embyApiClient,
+            IMediaSourceRepository mediaSourceRepository,
+            ChannelWriter<IEmbyBackgroundServiceRequest> channel)
+        {
+            _embySecretStore = embySecretStore;
+            _embyApiClient = embyApiClient;
+            _mediaSourceRepository = mediaSourceRepository;
+            _channel = channel;
+        }
+
+        public Task<Either<BaseError, Unit>> Handle(SaveEmbySecrets request, CancellationToken cancellationToken) =>
+            Validate(request)
+                .MapT(PerformSave)
+                .Bind(v => v.ToEitherAsync());
+
+        private async Task<Validation<BaseError, Parameters>> Validate(SaveEmbySecrets request)
+        {
+            Either<BaseError, EmbyServerInformation> maybeServerInformation = await _embyApiClient
+                .GetServerInformation(request.Secrets.Address, request.Secrets.ApiKey);
+
+            return maybeServerInformation.Match(
+                info => Validation<BaseError, Parameters>.Success(new Parameters(request.Secrets, info)),
+                error => error);
+        }
+
+        private async Task<Unit> PerformSave(Parameters parameters)
+        {
+            await _embySecretStore.SaveSecrets(parameters.Secrets);
+            await _mediaSourceRepository.UpsertEmby(
+                parameters.Secrets.Address,
+                parameters.ServerInformation.ServerName,
+                parameters.ServerInformation.OperatingSystem);
+            await _channel.WriteAsync(new SynchronizeEmbyMediaSources());
+
+            return Unit.Default;
+        }
+
+        private record Parameters(EmbySecrets Secrets, EmbyServerInformation ServerInformation);
+    }
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyLibraries.cs

@@ -0,0 +1,8 @@
+using ErsatzTV.Core;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record SynchronizeEmbyLibraries(int EmbyMediaSourceId) : MediatR.IRequest<Either<BaseError, Unit>>,
+        IEmbyBackgroundServiceRequest;
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyLibrariesHandler.cs

@@ -0,0 +1,109 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using Microsoft.Extensions.Logging;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class
+        SynchronizeEmbyLibrariesHandler : MediatR.IRequestHandler<SynchronizeEmbyLibraries, Either<BaseError, Unit>>
+    {
+        private readonly IEmbyApiClient _embyApiClient;
+        private readonly IEmbySecretStore _embySecretStore;
+        private readonly ILogger<SynchronizeEmbyLibrariesHandler> _logger;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public SynchronizeEmbyLibrariesHandler(
+            IMediaSourceRepository mediaSourceRepository,
+            IEmbySecretStore embySecretStore,
+            IEmbyApiClient embyApiClient,
+            ILogger<SynchronizeEmbyLibrariesHandler> logger)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _embySecretStore = embySecretStore;
+            _embyApiClient = embyApiClient;
+            _logger = logger;
+        }
+
+        public Task<Either<BaseError, Unit>> Handle(
+            SynchronizeEmbyLibraries request,
+            CancellationToken cancellationToken) =>
+            Validate(request)
+                .MapT(SynchronizeLibraries)
+                .Bind(v => v.ToEitherAsync());
+
+        private Task<Validation<BaseError, ConnectionParameters>> Validate(SynchronizeEmbyLibraries request) =>
+            MediaSourceMustExist(request)
+                .BindT(MediaSourceMustHaveActiveConnection)
+                .BindT(MediaSourceMustHaveApiKey);
+
+        private Task<Validation<BaseError, EmbyMediaSource>> MediaSourceMustExist(
+            SynchronizeEmbyLibraries request) =>
+            _mediaSourceRepository.GetEmby(request.EmbyMediaSourceId)
+                .Map(o => o.ToValidation<BaseError>("Emby media source does not exist."));
+
+        private Validation<BaseError, ConnectionParameters> MediaSourceMustHaveActiveConnection(
+            EmbyMediaSource embyMediaSource)
+        {
+            Option<EmbyConnection> maybeConnection = embyMediaSource.Connections.HeadOrNone();
+            return maybeConnection.Map(connection => new ConnectionParameters(embyMediaSource, connection))
+                .ToValidation<BaseError>("Emby media source requires an active connection");
+        }
+
+        private async Task<Validation<BaseError, ConnectionParameters>> MediaSourceMustHaveApiKey(
+            ConnectionParameters connectionParameters)
+        {
+            EmbySecrets secrets = await _embySecretStore.ReadSecrets();
+            return Optional(secrets.Address == connectionParameters.ActiveConnection.Address)
+                .Filter(match => match)
+                .Map(_ => connectionParameters with { ApiKey = secrets.ApiKey })
+                .ToValidation<BaseError>("Emby media source requires an api key");
+        }
+
+        private async Task<Unit> SynchronizeLibraries(ConnectionParameters connectionParameters)
+        {
+            Either<BaseError, List<EmbyLibrary>> maybeLibraries = await _embyApiClient.GetLibraries(
+                connectionParameters.ActiveConnection.Address,
+                connectionParameters.ApiKey);
+
+            await maybeLibraries.Match(
+                libraries =>
+                {
+                    var existing = connectionParameters.EmbyMediaSource.Libraries.OfType<EmbyLibrary>()
+                        .ToList();
+                    var toAdd = libraries.Filter(library => existing.All(l => l.ItemId != library.ItemId)).ToList();
+                    var toRemove = existing.Filter(library => libraries.All(l => l.ItemId != library.ItemId)).ToList();
+                    return _mediaSourceRepository.UpdateLibraries(
+                        connectionParameters.EmbyMediaSource.Id,
+                        toAdd,
+                        toRemove);
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Unable to synchronize libraries from emby server {EmbyServer}: {Error}",
+                        connectionParameters.EmbyMediaSource.ServerName,
+                        error.Value);
+
+                    return Task.CompletedTask;
+                });
+
+            return Unit.Default;
+        }
+
+        private record ConnectionParameters(
+            EmbyMediaSource EmbyMediaSource,
+            EmbyConnection ActiveConnection)
+        {
+            public string ApiKey { get; set; }
+        }
+    }
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyLibraryById.cs

@@ -0,0 +1,23 @@
+using ErsatzTV.Core;
+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public interface ISynchronizeEmbyLibraryById : IRequest<Either<BaseError, string>>,
+        IEmbyBackgroundServiceRequest
+    {
+        int EmbyLibraryId { get; }
+        bool ForceScan { get; }
+    }
+
+    public record SynchronizeEmbyLibraryByIdIfNeeded(int EmbyLibraryId) : ISynchronizeEmbyLibraryById
+    {
+        public bool ForceScan => false;
+    }
+
+    public record ForceSynchronizeEmbyLibraryById(int EmbyLibraryId) : ISynchronizeEmbyLibraryById
+    {
+        public bool ForceScan => true;
+    }
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyLibraryByIdHandler.cs

@@ -0,0 +1,172 @@
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Locking;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using static LanguageExt.Prelude;
+using Unit = LanguageExt.Unit;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class SynchronizeEmbyLibraryByIdHandler :
+        IRequestHandler<ForceSynchronizeEmbyLibraryById, Either<BaseError, string>>,
+        IRequestHandler<SynchronizeEmbyLibraryByIdIfNeeded, Either<BaseError, string>>
+    {
+        private readonly IConfigElementRepository _configElementRepository;
+        private readonly IEmbyMovieLibraryScanner _embyMovieLibraryScanner;
+
+        private readonly IEmbySecretStore _embySecretStore;
+        private readonly IEmbyTelevisionLibraryScanner _embyTelevisionLibraryScanner;
+        private readonly IEntityLocker _entityLocker;
+        private readonly ILibraryRepository _libraryRepository;
+        private readonly ILogger<SynchronizeEmbyLibraryByIdHandler> _logger;
+
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public SynchronizeEmbyLibraryByIdHandler(
+            IMediaSourceRepository mediaSourceRepository,
+            IEmbySecretStore embySecretStore,
+            IEmbyMovieLibraryScanner embyMovieLibraryScanner,
+            IEmbyTelevisionLibraryScanner embyTelevisionLibraryScanner,
+            ILibraryRepository libraryRepository,
+            IEntityLocker entityLocker,
+            IConfigElementRepository configElementRepository,
+            ILogger<SynchronizeEmbyLibraryByIdHandler> logger)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _embySecretStore = embySecretStore;
+            _embyMovieLibraryScanner = embyMovieLibraryScanner;
+            _embyTelevisionLibraryScanner = embyTelevisionLibraryScanner;
+            _libraryRepository = libraryRepository;
+            _entityLocker = entityLocker;
+            _configElementRepository = configElementRepository;
+            _logger = logger;
+        }
+
+        public Task<Either<BaseError, string>> Handle(
+            ForceSynchronizeEmbyLibraryById request,
+            CancellationToken cancellationToken) => Handle(request);
+
+        public Task<Either<BaseError, string>> Handle(
+            SynchronizeEmbyLibraryByIdIfNeeded request,
+            CancellationToken cancellationToken) => Handle(request);
+
+        private Task<Either<BaseError, string>>
+            Handle(ISynchronizeEmbyLibraryById request) =>
+            Validate(request)
+                .MapT(parameters => Synchronize(parameters).Map(_ => parameters.Library.Name))
+                .Bind(v => v.ToEitherAsync());
+
+        private async Task<Unit> Synchronize(RequestParameters parameters)
+        {
+            var lastScan = new DateTimeOffset(parameters.Library.LastScan ?? DateTime.MinValue, TimeSpan.Zero);
+            if (parameters.ForceScan || lastScan < DateTimeOffset.Now - TimeSpan.FromHours(6))
+            {
+                switch (parameters.Library.MediaKind)
+                {
+                    case LibraryMediaKind.Movies:
+                        await _embyMovieLibraryScanner.ScanLibrary(
+                            parameters.ConnectionParameters.ActiveConnection.Address,
+                            parameters.ConnectionParameters.ApiKey,
+                            parameters.Library,
+                            parameters.FFprobePath);
+                        break;
+                    case LibraryMediaKind.Shows:
+                        await _embyTelevisionLibraryScanner.ScanLibrary(
+                            parameters.ConnectionParameters.ActiveConnection.Address,
+                            parameters.ConnectionParameters.ApiKey,
+                            parameters.Library,
+                            parameters.FFprobePath);
+                        break;
+                }
+
+                parameters.Library.LastScan = DateTime.UtcNow;
+                await _libraryRepository.UpdateLastScan(parameters.Library);
+            }
+            else
+            {
+                _logger.LogDebug(
+                    "Skipping unforced scan of emby media library {Name}",
+                    parameters.Library.Name);
+            }
+
+            _entityLocker.UnlockLibrary(parameters.Library.Id);
+            return Unit.Default;
+        }
+
+        private async Task<Validation<BaseError, RequestParameters>> Validate(
+            ISynchronizeEmbyLibraryById request) =>
+            (await ValidateConnection(request), await EmbyLibraryMustExist(request), await ValidateFFprobePath())
+            .Apply(
+                (connectionParameters, embyLibrary, ffprobePath) => new RequestParameters(
+                    connectionParameters,
+                    embyLibrary,
+                    request.ForceScan,
+                    ffprobePath
+                ));
+
+        private Task<Validation<BaseError, ConnectionParameters>> ValidateConnection(
+            ISynchronizeEmbyLibraryById request) =>
+            EmbyMediaSourceMustExist(request)
+                .BindT(MediaSourceMustHaveActiveConnection)
+                .BindT(MediaSourceMustHaveApiKey);
+
+        private Task<Validation<BaseError, EmbyMediaSource>> EmbyMediaSourceMustExist(
+            ISynchronizeEmbyLibraryById request) =>
+            _mediaSourceRepository.GetEmbyByLibraryId(request.EmbyLibraryId)
+                .Map(
+                    v => v.ToValidation<BaseError>(
+                        $"Emby media source for library {request.EmbyLibraryId} does not exist."));
+
+        private Validation<BaseError, ConnectionParameters> MediaSourceMustHaveActiveConnection(
+            EmbyMediaSource embyMediaSource)
+        {
+            Option<EmbyConnection> maybeConnection = embyMediaSource.Connections.HeadOrNone();
+            return maybeConnection.Map(connection => new ConnectionParameters(embyMediaSource, connection))
+                .ToValidation<BaseError>("Emby media source requires an active connection");
+        }
+
+        private async Task<Validation<BaseError, ConnectionParameters>> MediaSourceMustHaveApiKey(
+            ConnectionParameters connectionParameters)
+        {
+            EmbySecrets secrets = await _embySecretStore.ReadSecrets();
+            return Optional(secrets.Address == connectionParameters.ActiveConnection.Address)
+                .Filter(match => match)
+                .Map(_ => connectionParameters with { ApiKey = secrets.ApiKey })
+                .ToValidation<BaseError>("Emby media source requires an api key");
+        }
+
+        private Task<Validation<BaseError, EmbyLibrary>> EmbyLibraryMustExist(
+            ISynchronizeEmbyLibraryById request) =>
+            _mediaSourceRepository.GetEmbyLibrary(request.EmbyLibraryId)
+                .Map(v => v.ToValidation<BaseError>($"Emby library {request.EmbyLibraryId} does not exist."));
+
+        private Task<Validation<BaseError, string>> ValidateFFprobePath() =>
+            _configElementRepository.GetValue<string>(ConfigElementKey.FFprobePath)
+                .FilterT(File.Exists)
+                .Map(
+                    ffprobePath =>
+                        ffprobePath.ToValidation<BaseError>("FFprobe path does not exist on the file system"));
+
+        private record RequestParameters(
+            ConnectionParameters ConnectionParameters,
+            EmbyLibrary Library,
+            bool ForceScan,
+            string FFprobePath);
+
+        private record ConnectionParameters(
+            EmbyMediaSource EmbyMediaSource,
+            EmbyConnection ActiveConnection)
+        {
+            public string ApiKey { get; set; }
+        }
+    }
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyMediaSources.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record SynchronizeEmbyMediaSources : IRequest<Either<BaseError, List<EmbyMediaSource>>>,
+        IEmbyBackgroundServiceRequest;
+}

ErsatzTV.Application/Emby/Commands/SynchronizeEmbyMediaSourcesHandler.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Channels;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class SynchronizeEmbyMediaSourcesHandler : IRequestHandler<SynchronizeEmbyMediaSources,
+        Either<BaseError, List<EmbyMediaSource>>>
+    {
+        private readonly ChannelWriter<IEmbyBackgroundServiceRequest> _channel;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public SynchronizeEmbyMediaSourcesHandler(
+            IMediaSourceRepository mediaSourceRepository,
+            ChannelWriter<IEmbyBackgroundServiceRequest> channel)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _channel = channel;
+        }
+
+        public async Task<Either<BaseError, List<EmbyMediaSource>>> Handle(
+            SynchronizeEmbyMediaSources request,
+            CancellationToken cancellationToken)
+        {
+            List<EmbyMediaSource> mediaSources = await _mediaSourceRepository.GetAllEmby();
+            foreach (EmbyMediaSource mediaSource in mediaSources)
+            {
+                // await _channel.WriteAsync(new SynchronizeEmbyAdminUserId(mediaSource.Id), cancellationToken);
+                await _channel.WriteAsync(new SynchronizeEmbyLibraries(mediaSource.Id), cancellationToken);
+            }
+
+            return mediaSources;
+        }
+    }
+}

ErsatzTV.Application/Emby/Commands/UpdateEmbyLibraryPreferences.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+using ErsatzTV.Core;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record UpdateEmbyLibraryPreferences
+        (List<EmbyLibraryPreference> Preferences) : MediatR.IRequest<Either<BaseError, Unit>>;
+
+    public record EmbyLibraryPreference(int Id, bool ShouldSyncItems);
+}

ErsatzTV.Application/Emby/Commands/UpdateEmbyLibraryPreferencesHandler.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Interfaces.Search;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class
+        UpdateEmbyLibraryPreferencesHandler : MediatR.IRequestHandler<UpdateEmbyLibraryPreferences,
+            Either<BaseError, Unit>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+        private readonly ISearchIndex _searchIndex;
+
+        public UpdateEmbyLibraryPreferencesHandler(
+            IMediaSourceRepository mediaSourceRepository,
+            ISearchIndex searchIndex)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _searchIndex = searchIndex;
+        }
+
+        public async Task<Either<BaseError, Unit>> Handle(
+            UpdateEmbyLibraryPreferences request,
+            CancellationToken cancellationToken)
+        {
+            var toDisable = request.Preferences.Filter(p => p.ShouldSyncItems == false).Map(p => p.Id).ToList();
+            List<int> ids = await _mediaSourceRepository.DisableEmbyLibrarySync(toDisable);
+            await _searchIndex.RemoveItems(ids);
+
+            IEnumerable<int> toEnable = request.Preferences.Filter(p => p.ShouldSyncItems).Map(p => p.Id);
+            await _mediaSourceRepository.EnableEmbyLibrarySync(toEnable);
+
+            return Unit.Default;
+        }
+    }
+}

ErsatzTV.Application/Emby/Commands/UpdateEmbyPathReplacements.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using ErsatzTV.Core;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public record UpdateEmbyPathReplacements(
+        int EmbyMediaSourceId,
+        List<EmbyPathReplacementItem> PathReplacements) : MediatR.IRequest<Either<BaseError, Unit>>;
+
+    public record EmbyPathReplacementItem(int Id, string EmbyPath, string LocalPath);
+}

ErsatzTV.Application/Emby/Commands/UpdateEmbyPathReplacementsHandler.cs

@@ -0,0 +1,55 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+
+namespace ErsatzTV.Application.Emby.Commands
+{
+    public class UpdateEmbyPathReplacementsHandler : MediatR.IRequestHandler<UpdateEmbyPathReplacements,
+        Either<BaseError, Unit>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public UpdateEmbyPathReplacementsHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<Either<BaseError, Unit>> Handle(
+            UpdateEmbyPathReplacements request,
+            CancellationToken cancellationToken) =>
+            Validate(request)
+                .MapT(pms => MergePathReplacements(request, pms))
+                .Bind(v => v.ToEitherAsync());
+
+        private Task<Unit> MergePathReplacements(
+            UpdateEmbyPathReplacements request,
+            EmbyMediaSource embyMediaSource)
+        {
+            embyMediaSource.PathReplacements ??= new List<EmbyPathReplacement>();
+
+            var incoming = request.PathReplacements.Map(Project).ToList();
+
+            var toAdd = incoming.Filter(r => r.Id < 1).ToList();
+            var toRemove = embyMediaSource.PathReplacements.Filter(r => incoming.All(pr => pr.Id != r.Id)).ToList();
+            var toUpdate = incoming.Except(toAdd).ToList();
+
+            return _mediaSourceRepository.UpdatePathReplacements(embyMediaSource.Id, toAdd, toUpdate, toRemove);
+        }
+
+        private static EmbyPathReplacement Project(EmbyPathReplacementItem vm) =>
+            new() { Id = vm.Id, EmbyPath = vm.EmbyPath, LocalPath = vm.LocalPath };
+
+        private Task<Validation<BaseError, EmbyMediaSource>> Validate(UpdateEmbyPathReplacements request) =>
+            EmbyMediaSourceMustExist(request);
+
+        private Task<Validation<BaseError, EmbyMediaSource>> EmbyMediaSourceMustExist(
+            UpdateEmbyPathReplacements request) =>
+            _mediaSourceRepository.GetEmby(request.EmbyMediaSourceId)
+                .Map(
+                    v => v.ToValidation<BaseError>(
+                        $"Emby media source {request.EmbyMediaSourceId} does not exist."));
+    }
+}

ErsatzTV.Application/Emby/EmbyLibraryViewModel.cs

@@ -0,0 +1,8 @@
+using ErsatzTV.Application.Libraries;
+using ErsatzTV.Core.Domain;
+
+namespace ErsatzTV.Application.Emby
+{
+    public record EmbyLibraryViewModel(int Id, string Name, LibraryMediaKind MediaKind, bool ShouldSyncItems)
+        : LibraryViewModel("Emby", Id, Name, MediaKind);
+}

ErsatzTV.Application/Emby/EmbyMediaSourceViewModel.cs

@@ -0,0 +1,9 @@
+using ErsatzTV.Application.MediaSources;
+
+namespace ErsatzTV.Application.Emby
+{
+    public record EmbyMediaSourceViewModel(int Id, string Name, string Address) : RemoteMediaSourceViewModel(
+        Id,
+        Name,
+        Address);
+}

ErsatzTV.Application/Emby/EmbyPathReplacementViewModel.cs

@@ -0,0 +1,4 @@
+namespace ErsatzTV.Application.Emby
+{
+    public record EmbyPathReplacementViewModel(int Id, string EmbyPath, string LocalPath);
+}

ErsatzTV.Application/Emby/Mapper.cs

@@ -0,0 +1,19 @@
+using ErsatzTV.Core.Domain;
+
+namespace ErsatzTV.Application.Emby
+{
+    internal static class Mapper
+    {
+        internal static EmbyMediaSourceViewModel ProjectToViewModel(EmbyMediaSource embyMediaSource) =>
+            new(
+                embyMediaSource.Id,
+                embyMediaSource.ServerName,
+                embyMediaSource.Connections.HeadOrNone().Match(c => c.Address, string.Empty));
+
+        internal static EmbyLibraryViewModel ProjectToViewModel(EmbyLibrary library) =>
+            new(library.Id, library.Name, library.MediaKind, library.ShouldSyncItems);
+
+        internal static EmbyPathReplacementViewModel ProjectToViewModel(EmbyPathReplacement pathReplacement) =>
+            new(pathReplacement.Id, pathReplacement.EmbyPath, pathReplacement.LocalPath);
+    }
+}

ErsatzTV.Application/Emby/Queries/GetAllEmbyMediaSources.cs

@@ -0,0 +1,7 @@
+using System.Collections.Generic;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public record GetAllEmbyMediaSources : IRequest<List<EmbyMediaSourceViewModel>>;
+}

ErsatzTV.Application/Emby/Queries/GetAllEmbyMediaSourcesHandler.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.Emby.Mapper;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public class GetAllEmbyMediaSourcesHandler : IRequestHandler<GetAllEmbyMediaSources, List<EmbyMediaSourceViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetAllEmbyMediaSourcesHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<List<EmbyMediaSourceViewModel>> Handle(
+            GetAllEmbyMediaSources request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.GetAllEmby().Map(list => list.Map(ProjectToViewModel).ToList());
+    }
+}

ErsatzTV.Application/Emby/Queries/GetEmbyLibrariesBySourceId.cs

@@ -0,0 +1,7 @@
+using System.Collections.Generic;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public record GetEmbyLibrariesBySourceId(int EmbyMediaSourceId) : IRequest<List<EmbyLibraryViewModel>>;
+}

ErsatzTV.Application/Emby/Queries/GetEmbyLibrariesBySourceIdHandler.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.Emby.Mapper;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public class
+        GetEmbyLibrariesBySourceIdHandler : IRequestHandler<GetEmbyLibrariesBySourceId, List<EmbyLibraryViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetEmbyLibrariesBySourceIdHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<List<EmbyLibraryViewModel>> Handle(
+            GetEmbyLibrariesBySourceId request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.GetEmbyLibraries(request.EmbyMediaSourceId)
+                .Map(list => list.Map(ProjectToViewModel).ToList());
+    }
+}

ErsatzTV.Application/Emby/Queries/GetEmbyMediaSourceById.cs

@@ -0,0 +1,7 @@
+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public record GetEmbyMediaSourceById(int EmbyMediaSourceId) : IRequest<Option<EmbyMediaSourceViewModel>>;
+}

ErsatzTV.Application/Emby/Queries/GetEmbyMediaSourceByIdHandler.cs

@@ -0,0 +1,23 @@
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.Emby.Mapper;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public class
+        GetEmbyMediaSourceByIdHandler : IRequestHandler<GetEmbyMediaSourceById, Option<EmbyMediaSourceViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetEmbyMediaSourceByIdHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<Option<EmbyMediaSourceViewModel>> Handle(
+            GetEmbyMediaSourceById request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.GetEmby(request.EmbyMediaSourceId).MapT(ProjectToViewModel);
+    }
+}

ErsatzTV.Application/Emby/Queries/GetEmbyPathReplacementsBySourceId.cs

@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public record GetEmbyPathReplacementsBySourceId
+        (int EmbyMediaSourceId) : IRequest<List<EmbyPathReplacementViewModel>>;
+}

ErsatzTV.Application/Emby/Queries/GetEmbyPathReplacementsBySourceIdHandler.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.Emby.Mapper;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public class GetEmbyPathReplacementsBySourceIdHandler : IRequestHandler<GetEmbyPathReplacementsBySourceId,
+        List<EmbyPathReplacementViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetEmbyPathReplacementsBySourceIdHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<List<EmbyPathReplacementViewModel>> Handle(
+            GetEmbyPathReplacementsBySourceId request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.GetEmbyPathReplacements(request.EmbyMediaSourceId)
+                .Map(list => list.Map(ProjectToViewModel).ToList());
+    }
+}

ErsatzTV.Application/Emby/Queries/GetEmbySecrets.cs

@@ -0,0 +1,7 @@
+using ErsatzTV.Core.Emby;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public record GetEmbySecrets : IRequest<EmbySecrets>;
+}

ErsatzTV.Application/Emby/Queries/GetEmbySecretsHandler.cs

@@ -0,0 +1,19 @@
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using MediatR;
+
+namespace ErsatzTV.Application.Emby.Queries
+{
+    public class GetEmbySecretsHandler : IRequestHandler<GetEmbySecrets, EmbySecrets>
+    {
+        private readonly IEmbySecretStore _embySecretStore;
+
+        public GetEmbySecretsHandler(IEmbySecretStore embySecretStore) =>
+            _embySecretStore = embySecretStore;
+
+        public Task<EmbySecrets> Handle(GetEmbySecrets request, CancellationToken cancellationToken) =>
+            _embySecretStore.ReadSecrets();
+    }
+}

ErsatzTV.Application/IEmbyBackgroundServiceRequest.cs

@@ -0,0 +1,6 @@
+namespace ErsatzTV.Application
+{
+    public interface IEmbyBackgroundServiceRequest
+    {
+    }
+}

ErsatzTV.Application/Jellyfin/Commands/DisconnectJellyfinHandler.cs

@@ -2,6 +2,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Jellyfin;
 using ErsatzTV.Core.Interfaces.Locking;
 using ErsatzTV.Core.Interfaces.Repositories;
@@ -36,7 +37,7 @@ namespace ErsatzTV.Application.Jellyfin.Commands
             List<int> ids = await _mediaSourceRepository.DeleteAllJellyfin();
             await _searchIndex.RemoveItems(ids);
             await _jellyfinSecretStore.DeleteAll();
-            _entityLocker.UnlockJellyfin();
+            _entityLocker.UnlockRemoteMediaSource<JellyfinMediaSource>();
 
             return Unit.Default;
         }

ErsatzTV.Application/Jellyfin/JellyfinMediaSourceViewModel.cs

@@ -2,5 +2,8 @@
 
 namespace ErsatzTV.Application.Jellyfin
 {
-    public record JellyfinMediaSourceViewModel(int Id, string Name, string Address) : MediaSourceViewModel(Id, Name);
+    public record JellyfinMediaSourceViewModel(int Id, string Name, string Address) : RemoteMediaSourceViewModel(
+        Id,
+        Name,
+        Address);
 }

ErsatzTV.Application/Libraries/Mapper.cs

@@ -1,4 +1,5 @@
 using System;
+using ErsatzTV.Application.Emby;
 using ErsatzTV.Application.Jellyfin;
 using ErsatzTV.Core.Domain;
 
@@ -12,6 +13,7 @@ namespace ErsatzTV.Application.Libraries
                 LocalLibrary l => ProjectToViewModel(l),
                 PlexLibrary p => new PlexLibraryViewModel(p.Id, p.Name, p.MediaKind),
                 JellyfinLibrary j => new JellyfinLibraryViewModel(j.Id, j.Name, j.MediaKind, j.ShouldSyncItems),
+                EmbyLibrary e => new EmbyLibraryViewModel(e.Id, e.Name, e.MediaKind, e.ShouldSyncItems),
                 _ => throw new ArgumentOutOfRangeException(nameof(library))
             };
 

ErsatzTV.Application/Libraries/Queries/GetAllLibrariesHandler.cs

@@ -31,6 +31,7 @@ namespace ErsatzTV.Application.Libraries.Queries
                 LocalLibrary => true,
                 PlexLibrary plex => plex.ShouldSyncItems,
                 JellyfinLibrary jellyfin => jellyfin.ShouldSyncItems,
+                EmbyLibrary emby => emby.ShouldSyncItems,
                 _ => false
             };
     }

ErsatzTV.Application/MediaCards/Mapper.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Linq;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Jellyfin;
 using LanguageExt;
 using static LanguageExt.Prelude;
@@ -11,17 +12,19 @@ namespace ErsatzTV.Application.MediaCards
     {
         internal static TelevisionShowCardViewModel ProjectToViewModel(
             ShowMetadata showMetadata,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 showMetadata.ShowId,
                 showMetadata.Title,
                 showMetadata.Year?.ToString(),
                 showMetadata.SortTitle,
-                GetPoster(showMetadata, maybeJellyfin));
+                GetPoster(showMetadata, maybeJellyfin, maybeEmby));
 
         internal static TelevisionSeasonCardViewModel ProjectToViewModel(
             Season season,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 season.Show.ShowMetadata.HeadOrNone().Match(m => m.Title ?? string.Empty, () => string.Empty),
                 season.Id,
@@ -29,12 +32,14 @@ namespace ErsatzTV.Application.MediaCards
                 GetSeasonName(season.SeasonNumber),
                 string.Empty,
                 GetSeasonName(season.SeasonNumber),
-                season.SeasonMetadata.HeadOrNone().Map(sm => GetPoster(sm, maybeJellyfin)).IfNone(string.Empty),
+                season.SeasonMetadata.HeadOrNone().Map(sm => GetPoster(sm, maybeJellyfin, maybeEmby))
+                    .IfNone(string.Empty),
                 season.SeasonNumber == 0 ? "S" : season.SeasonNumber.ToString());
 
         internal static TelevisionEpisodeCardViewModel ProjectToViewModel(
             EpisodeMetadata episodeMetadata,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 episodeMetadata.EpisodeId,
                 episodeMetadata.ReleaseDate ?? DateTime.MinValue,
@@ -48,17 +53,18 @@ namespace ErsatzTV.Application.MediaCards
                 episodeMetadata.Episode.EpisodeMetadata.HeadOrNone().Match(
                     em => em.Plot ?? string.Empty,
                     () => string.Empty),
-                GetThumbnail(episodeMetadata, maybeJellyfin));
+                GetThumbnail(episodeMetadata, maybeJellyfin, maybeEmby));
 
         internal static MovieCardViewModel ProjectToViewModel(
             MovieMetadata movieMetadata,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 movieMetadata.MovieId,
                 movieMetadata.Title,
                 movieMetadata.Year?.ToString(),
                 movieMetadata.SortTitle,
-                GetPoster(movieMetadata, maybeJellyfin));
+                GetPoster(movieMetadata, maybeJellyfin, maybeEmby));
 
         internal static MusicVideoCardViewModel ProjectToViewModel(MusicVideoMetadata musicVideoMetadata) =>
             new(
@@ -67,7 +73,7 @@ namespace ErsatzTV.Application.MediaCards
                 musicVideoMetadata.MusicVideo.Artist.ArtistMetadata.Head().Title,
                 musicVideoMetadata.SortTitle,
                 musicVideoMetadata.Plot,
-                GetThumbnail(musicVideoMetadata, None));
+                GetThumbnail(musicVideoMetadata, None, None));
 
         internal static ArtistCardViewModel ProjectToViewModel(ArtistMetadata artistMetadata) =>
             new(
@@ -75,28 +81,36 @@ namespace ErsatzTV.Application.MediaCards
                 artistMetadata.Title,
                 artistMetadata.Disambiguation,
                 artistMetadata.SortTitle,
-                GetThumbnail(artistMetadata, None));
+                GetThumbnail(artistMetadata, None, None));
 
         internal static CollectionCardResultsViewModel
-            ProjectToViewModel(Collection collection, Option<JellyfinMediaSource> maybeJellyfin) =>
+            ProjectToViewModel(
+                Collection collection,
+                Option<JellyfinMediaSource> maybeJellyfin,
+                Option<EmbyMediaSource> maybeEmby) =>
             new(
                 collection.Name,
                 collection.MediaItems.OfType<Movie>().Map(
-                    m => ProjectToViewModel(m.MovieMetadata.Head(), maybeJellyfin) with
+                    m => ProjectToViewModel(m.MovieMetadata.Head(), maybeJellyfin, maybeEmby) with
                     {
                         CustomIndex = GetCustomIndex(collection, m.Id)
                     }).ToList(),
-                collection.MediaItems.OfType<Show>().Map(s => ProjectToViewModel(s.ShowMetadata.Head(), maybeJellyfin))
+                collection.MediaItems.OfType<Show>()
+                    .Map(s => ProjectToViewModel(s.ShowMetadata.Head(), maybeJellyfin, maybeEmby))
+                    .ToList(),
+                collection.MediaItems.OfType<Season>().Map(s => ProjectToViewModel(s, maybeJellyfin, maybeEmby))
                     .ToList(),
-                collection.MediaItems.OfType<Season>().Map(s => ProjectToViewModel(s, maybeJellyfin)).ToList(),
                 collection.MediaItems.OfType<Episode>()
-                    .Map(e => ProjectToViewModel(e.EpisodeMetadata.Head(), maybeJellyfin))
+                    .Map(e => ProjectToViewModel(e.EpisodeMetadata.Head(), maybeJellyfin, maybeEmby))
                     .ToList(),
                 collection.MediaItems.OfType<Artist>().Map(a => ProjectToViewModel(a.ArtistMetadata.Head())).ToList(),
                 collection.MediaItems.OfType<MusicVideo>().Map(mv => ProjectToViewModel(mv.MusicVideoMetadata.Head()))
                     .ToList()) { UseCustomPlaybackOrder = collection.UseCustomPlaybackOrder };
 
-        internal static ActorCardViewModel ProjectToViewModel(Actor actor, Option<JellyfinMediaSource> maybeJellyfin)
+        internal static ActorCardViewModel ProjectToViewModel(
+            Actor actor,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             string artwork = actor.Artwork?.Path ?? string.Empty;
 
@@ -105,6 +119,11 @@ namespace ErsatzTV.Application.MediaCards
                 artwork = JellyfinUrl.ForArtwork(maybeJellyfin, artwork)
                     .SetQueryParam("fillHeight", 440);
             }
+            else if (maybeEmby.IsSome && artwork.StartsWith("emby://"))
+            {
+                artwork = EmbyUrl.ForArtwork(maybeEmby, artwork)
+                    .SetQueryParam("fillHeight", 440);
+            }
 
             return new ActorCardViewModel(actor.Id, actor.Name, actor.Role, artwork);
         }
@@ -117,7 +136,10 @@ namespace ErsatzTV.Application.MediaCards
         private static string GetSeasonName(int number) =>
             number == 0 ? "Specials" : $"Season {number}";
 
-        private static string GetPoster(Metadata metadata, Option<JellyfinMediaSource> maybeJellyfin)
+        private static string GetPoster(
+            Metadata metadata,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             string poster = Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster))
                 .Match(a => a.Path, string.Empty);
@@ -127,11 +149,19 @@ namespace ErsatzTV.Application.MediaCards
                 poster = JellyfinUrl.ForArtwork(maybeJellyfin, poster)
                     .SetQueryParam("fillHeight", 440);
             }
+            else if (maybeEmby.IsSome && poster.StartsWith("emby://"))
+            {
+                poster = EmbyUrl.ForArtwork(maybeEmby, poster)
+                    .SetQueryParam("fillHeight", 440);
+            }
 
             return poster;
         }
 
-        private static string GetThumbnail(Metadata metadata, Option<JellyfinMediaSource> maybeJellyfin)
+        private static string GetThumbnail(
+            Metadata metadata,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             string thumb = Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Thumbnail))
                 .Match(a => a.Path, string.Empty);
@@ -141,6 +171,11 @@ namespace ErsatzTV.Application.MediaCards
                 thumb = JellyfinUrl.ForArtwork(maybeJellyfin, thumb)
                     .SetQueryParam("fillHeight", 220);
             }
+            else if (maybeEmby.IsSome && thumb.StartsWith("emby://"))
+            {
+                thumb = EmbyUrl.ForArtwork(maybeEmby, thumb)
+                    .SetQueryParam("fillHeight", 220);
+            }
 
             return thumb;
         }

ErsatzTV.Application/MediaCards/Queries/GetCollectionCardsHandler.cs

@@ -30,10 +30,13 @@ namespace ErsatzTV.Application.MediaCards.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             return await _collectionRepository
                 .GetCollectionWithItemsUntracked(request.Id)
                 .Map(c => c.ToEither(BaseError.New("Unable to load collection")))
-                .MapT(c => ProjectToViewModel(c, maybeJellyfin));
+                .MapT(c => ProjectToViewModel(c, maybeJellyfin, maybeEmby));
         }
     }
 }

ErsatzTV.Application/MediaCards/Queries/GetTelevisionEpisodeCardsHandler.cs

@@ -34,9 +34,12 @@ namespace ErsatzTV.Application.MediaCards.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             List<TelevisionEpisodeCardViewModel> results = await _televisionRepository
                 .GetPagedEpisodes(request.TelevisionSeasonId, request.PageNumber, request.PageSize)
-                .Map(list => list.Map(e => ProjectToViewModel(e, maybeJellyfin)).ToList());
+                .Map(list => list.Map(e => ProjectToViewModel(e, maybeJellyfin, maybeEmby)).ToList());
 
             return new TelevisionEpisodeCardResultsViewModel(count, results);
         }

ErsatzTV.Application/MediaCards/Queries/GetTelevisionSeasonCardsHandler.cs

@@ -34,9 +34,12 @@ namespace ErsatzTV.Application.MediaCards.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             List<TelevisionSeasonCardViewModel> results = await _televisionRepository
                 .GetPagedSeasons(request.TelevisionShowId, request.PageNumber, request.PageSize)
-                .Map(list => list.Map(s => ProjectToViewModel(s, maybeJellyfin)).ToList());
+                .Map(list => list.Map(s => ProjectToViewModel(s, maybeJellyfin, maybeEmby)).ToList());
 
             return new TelevisionSeasonCardResultsViewModel(count, results);
         }

ErsatzTV.Application/MediaSources/RemoteMediaSourceViewModel.cs

@@ -0,0 +1,4 @@
+namespace ErsatzTV.Application.MediaSources
+{
+    public record RemoteMediaSourceViewModel(int Id, string Name, string Address) : MediaSourceViewModel(Id, Name);
+}

ErsatzTV.Application/Movies/Mapper.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Jellyfin;
 using Flurl;
 using LanguageExt;
@@ -12,7 +13,10 @@ namespace ErsatzTV.Application.Movies
 {
     internal static class Mapper
     {
-        internal static MovieViewModel ProjectToViewModel(Movie movie, Option<JellyfinMediaSource> maybeJellyfin)
+        internal static MovieViewModel ProjectToViewModel(
+            Movie movie,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             MovieMetadata metadata = Optional(movie.MovieMetadata).Flatten().Head();
             return new MovieViewModel(
@@ -24,11 +28,11 @@ namespace ErsatzTV.Application.Movies
                 metadata.Studios.Map(s => s.Name).ToList(),
                 LanguagesForMovie(movie),
                 metadata.Actors.OrderBy(a => a.Order).ThenBy(a => a.Id)
-                    .Map(a => MediaCards.Mapper.ProjectToViewModel(a, maybeJellyfin))
+                    .Map(a => MediaCards.Mapper.ProjectToViewModel(a, maybeJellyfin, maybeEmby))
                     .ToList())
             {
-                Poster = Artwork(metadata, ArtworkKind.Poster, maybeJellyfin),
-                FanArt = Artwork(metadata, ArtworkKind.FanArt, maybeJellyfin)
+                Poster = Artwork(metadata, ArtworkKind.Poster, maybeJellyfin, maybeEmby),
+                FanArt = Artwork(metadata, ArtworkKind.FanArt, maybeJellyfin, maybeEmby)
             };
         }
 
@@ -51,7 +55,8 @@ namespace ErsatzTV.Application.Movies
         private static string Artwork(
             Metadata metadata,
             ArtworkKind artworkKind,
-            Option<JellyfinMediaSource> maybeJellyfin)
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             string artwork = Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == artworkKind))
                 .Match(a => a.Path, string.Empty);
@@ -66,6 +71,16 @@ namespace ErsatzTV.Application.Movies
 
                 artwork = url;
             }
+            else if (maybeEmby.IsSome && artwork.StartsWith("emby://"))
+            {
+                Url url = EmbyUrl.ForArtwork(maybeEmby, artwork);
+                if (artworkKind is ArtworkKind.Poster or ArtworkKind.Thumbnail)
+                {
+                    url.SetQueryParam("fillHeight", 440);
+                }
+
+                artwork = url;
+            }
 
             return artwork;
         }

ErsatzTV.Application/Movies/Queries/GetMovieByIdHandler.cs

@@ -26,8 +26,11 @@ namespace ErsatzTV.Application.Movies.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             Option<Movie> movie = await _movieRepository.GetMovie(request.Id);
-            return movie.Map(m => ProjectToViewModel(m, maybeJellyfin));
+            return movie.Map(m => ProjectToViewModel(m, maybeJellyfin, maybeEmby));
         }
     }
 }

ErsatzTV.Application/Search/Queries/QuerySearchIndexMoviesHandler.cs

@@ -41,9 +41,12 @@ namespace ErsatzTV.Application.Search.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             List<MovieCardViewModel> items = await _movieRepository
                 .GetMoviesForCards(searchResult.Items.Map(i => i.Id).ToList())
-                .Map(list => list.Map(m => ProjectToViewModel(m, maybeJellyfin)).ToList());
+                .Map(list => list.Map(m => ProjectToViewModel(m, maybeJellyfin, maybeEmby)).ToList());
 
             return new MovieCardResultsViewModel(searchResult.TotalCount, items, searchResult.PageMap);
         }

ErsatzTV.Application/Search/Queries/QuerySearchIndexShowsHandler.cs

@@ -42,9 +42,12 @@ namespace ErsatzTV.Application.Search.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             List<TelevisionShowCardViewModel> items = await _televisionRepository
                 .GetShowsForCards(searchResult.Items.Map(i => i.Id).ToList())
-                .Map(list => list.Map(s => ProjectToViewModel(s, maybeJellyfin)).ToList());
+                .Map(list => list.Map(s => ProjectToViewModel(s, maybeJellyfin, maybeEmby)).ToList());
 
             return new TelevisionShowCardResultsViewModel(searchResult.TotalCount, items, searchResult.PageMap);
         }

ErsatzTV.Application/Television/Mapper.cs

@@ -4,6 +4,7 @@ using System.Globalization;
 using System.Linq;
 using ErsatzTV.Application.MediaCards;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Jellyfin;
 using Flurl;
 using LanguageExt;
@@ -16,14 +17,15 @@ namespace ErsatzTV.Application.Television
         internal static TelevisionShowViewModel ProjectToViewModel(
             Show show,
             List<string> languages,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 show.Id,
                 show.ShowMetadata.HeadOrNone().Map(m => m.Title ?? string.Empty).IfNone(string.Empty),
                 show.ShowMetadata.HeadOrNone().Map(m => m.Year?.ToString() ?? string.Empty).IfNone(string.Empty),
                 show.ShowMetadata.HeadOrNone().Map(m => m.Plot ?? string.Empty).IfNone(string.Empty),
-                show.ShowMetadata.HeadOrNone().Map(m => GetPoster(m, maybeJellyfin)).IfNone(string.Empty),
-                show.ShowMetadata.HeadOrNone().Map(m => GetFanArt(m, maybeJellyfin)).IfNone(string.Empty),
+                show.ShowMetadata.HeadOrNone().Map(m => GetPoster(m, maybeJellyfin, maybeEmby)).IfNone(string.Empty),
+                show.ShowMetadata.HeadOrNone().Map(m => GetFanArt(m, maybeJellyfin, maybeEmby)).IfNone(string.Empty),
                 show.ShowMetadata.HeadOrNone().Map(m => m.Genres.Map(g => g.Name).ToList()).IfNone(new List<string>()),
                 show.ShowMetadata.HeadOrNone().Map(m => m.Tags.Map(g => g.Name).ToList()).IfNone(new List<string>()),
                 show.ShowMetadata.HeadOrNone().Map(m => m.Studios.Map(s => s.Name).ToList())
@@ -32,21 +34,24 @@ namespace ErsatzTV.Application.Television
                 show.ShowMetadata.HeadOrNone()
                     .Map(
                         m => m.Actors.OrderBy(a => a.Order).ThenBy(a => a.Id)
-                            .Map(a => MediaCards.Mapper.ProjectToViewModel(a, maybeJellyfin))
+                            .Map(a => MediaCards.Mapper.ProjectToViewModel(a, maybeJellyfin, maybeEmby))
                             .ToList())
                     .IfNone(new List<ActorCardViewModel>()));
 
         internal static TelevisionSeasonViewModel ProjectToViewModel(
             Season season,
-            Option<JellyfinMediaSource> maybeJellyfin) =>
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
             new(
                 season.Id,
                 season.ShowId,
                 season.Show.ShowMetadata.HeadOrNone().Map(m => m.Title ?? string.Empty).IfNone(string.Empty),
                 season.Show.ShowMetadata.HeadOrNone().Map(m => m.Year?.ToString() ?? string.Empty).IfNone(string.Empty),
                 season.SeasonNumber == 0 ? "Specials" : $"Season {season.SeasonNumber}",
-                season.SeasonMetadata.HeadOrNone().Map(m => GetPoster(m, maybeJellyfin)).IfNone(string.Empty),
-                season.Show.ShowMetadata.HeadOrNone().Map(m => GetFanArt(m, maybeJellyfin)).IfNone(string.Empty));
+                season.SeasonMetadata.HeadOrNone().Map(m => GetPoster(m, maybeJellyfin, maybeEmby))
+                    .IfNone(string.Empty),
+                season.Show.ShowMetadata.HeadOrNone().Map(m => GetFanArt(m, maybeJellyfin, maybeEmby))
+                    .IfNone(string.Empty));
 
         internal static TelevisionEpisodeViewModel ProjectToViewModel(Episode episode) =>
             new(
@@ -55,21 +60,31 @@ namespace ErsatzTV.Application.Television
                 episode.EpisodeNumber,
                 episode.EpisodeMetadata.HeadOrNone().Map(m => m.Title ?? string.Empty).IfNone(string.Empty),
                 episode.EpisodeMetadata.HeadOrNone().Map(m => m.Plot ?? string.Empty).IfNone(string.Empty),
-                episode.EpisodeMetadata.HeadOrNone().Map(m => GetThumbnail(m, None)).IfNone(string.Empty));
+                episode.EpisodeMetadata.HeadOrNone().Map(m => GetThumbnail(m, None, None)).IfNone(string.Empty));
 
-        private static string GetPoster(Metadata metadata, Option<JellyfinMediaSource> maybeJellyfin) =>
-            GetArtwork(metadata, ArtworkKind.Poster, maybeJellyfin);
+        private static string GetPoster(
+            Metadata metadata,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
+            GetArtwork(metadata, ArtworkKind.Poster, maybeJellyfin, maybeEmby);
 
-        private static string GetFanArt(Metadata metadata, Option<JellyfinMediaSource> maybeJellyfin) =>
-            GetArtwork(metadata, ArtworkKind.FanArt, maybeJellyfin);
+        private static string GetFanArt(
+            Metadata metadata,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
+            GetArtwork(metadata, ArtworkKind.FanArt, maybeJellyfin, maybeEmby);
 
-        private static string GetThumbnail(Metadata metadata, Option<JellyfinMediaSource> maybeJellyfin) =>
-            GetArtwork(metadata, ArtworkKind.Thumbnail, maybeJellyfin);
+        private static string GetThumbnail(
+            Metadata metadata,
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby) =>
+            GetArtwork(metadata, ArtworkKind.Thumbnail, maybeJellyfin, maybeEmby);
 
         private static string GetArtwork(
             Metadata metadata,
             ArtworkKind artworkKind,
-            Option<JellyfinMediaSource> maybeJellyfin)
+            Option<JellyfinMediaSource> maybeJellyfin,
+            Option<EmbyMediaSource> maybeEmby)
         {
             string artwork = Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == artworkKind))
                 .Match(a => a.Path, string.Empty);
@@ -84,6 +99,16 @@ namespace ErsatzTV.Application.Television
 
                 artwork = url;
             }
+            else if (maybeEmby.IsSome && artwork.StartsWith("emby://"))
+            {
+                Url url = EmbyUrl.ForArtwork(maybeEmby, artwork);
+                if (artworkKind == ArtworkKind.Poster)
+                {
+                    url.SetQueryParam("fillHeight", 440);
+                }
+
+                artwork = url;
+            }
 
             return artwork;
         }

ErsatzTV.Application/Television/Queries/GetTelevisionSeasonByIdHandler.cs

@@ -29,8 +29,11 @@ namespace ErsatzTV.Application.Television.Queries
             Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                 .Map(list => list.HeadOrNone());
 
+            Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                .Map(list => list.HeadOrNone());
+
             return await _televisionRepository.GetSeason(request.SeasonId)
-                .MapT(s => ProjectToViewModel(s, maybeJellyfin));
+                .MapT(s => ProjectToViewModel(s, maybeJellyfin, maybeEmby));
         }
     }
 }

ErsatzTV.Application/Television/Queries/GetTelevisionShowByIdHandler.cs

@@ -36,8 +36,11 @@ namespace ErsatzTV.Application.Television.Queries
                     Option<JellyfinMediaSource> maybeJellyfin = await _mediaSourceRepository.GetAllJellyfin()
                         .Map(list => list.HeadOrNone());
 
+                    Option<EmbyMediaSource> maybeEmby = await _mediaSourceRepository.GetAllEmby()
+                        .Map(list => list.HeadOrNone());
+
                     List<string> languages = await _searchRepository.GetLanguagesForShow(show);
-                    return ProjectToViewModel(show, languages, maybeJellyfin);
+                    return ProjectToViewModel(show, languages, maybeJellyfin, maybeEmby);
                 },
                 () => Task.FromResult(Option<TelevisionShowViewModel>.None));
         }

ErsatzTV.Core/Domain/Library/EmbyLibrary.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyLibrary : Library
+    {
+        public string ItemId { get; set; }
+        public bool ShouldSyncItems { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/EmbyEpisode.cs

@@ -0,0 +1,11 @@
+using System.Diagnostics;
+
+namespace ErsatzTV.Core.Domain
+{
+    [DebuggerDisplay("{EpisodeMetadata[0].Title}")]
+    public class EmbyEpisode : Episode
+    {
+        public string ItemId { get; set; }
+        public string Etag { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/EmbyMovie.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyMovie : Movie
+    {
+        public string ItemId { get; set; }
+        public string Etag { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/EmbySeason.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbySeason : Season
+    {
+        public string ItemId { get; set; }
+        public string Etag { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/EmbyShow.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyShow : Show
+    {
+        public string ItemId { get; set; }
+        public string Etag { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaSource/EmbyConnection.cs

@@ -0,0 +1,10 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyConnection
+    {
+        public int Id { get; set; }
+        public string Address { get; set; }
+        public int EmbyMediaSourceId { get; set; }
+        public EmbyMediaSource EmbyMediaSource { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaSource/EmbyMediaSource.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyMediaSource : MediaSource
+    {
+        public string ServerName { get; set; }
+        public string OperatingSystem { get; set; }
+        public List<EmbyConnection> Connections { get; set; }
+        public List<EmbyPathReplacement> PathReplacements { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaSource/EmbyPathReplacement.cs

@@ -0,0 +1,11 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class EmbyPathReplacement
+    {
+        public int Id { get; set; }
+        public string EmbyPath { get; set; }
+        public string LocalPath { get; set; }
+        public int EmbyMediaSourceId { get; set; }
+        public EmbyMediaSource EmbyMediaSource { get; set; }
+    }
+}

ErsatzTV.Core/Emby/EmbyItemEtag.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Emby
+{
+    public class EmbyItemEtag
+    {
+        public string ItemId { get; set; }
+        public string Etag { get; set; }
+    }
+}

ErsatzTV.Core/Emby/EmbyMovieLibraryScanner.cs

@@ -0,0 +1,230 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Interfaces.Search;
+using ErsatzTV.Core.Metadata;
+using LanguageExt;
+using LanguageExt.UnsafeValueAccess;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Unit = LanguageExt.Unit;
+
+namespace ErsatzTV.Core.Emby
+{
+    public class EmbyMovieLibraryScanner : IEmbyMovieLibraryScanner
+    {
+        private readonly IEmbyApiClient _embyApiClient;
+        private readonly ILocalFileSystem _localFileSystem;
+        private readonly ILocalStatisticsProvider _localStatisticsProvider;
+        private readonly ILogger<EmbyMovieLibraryScanner> _logger;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+        private readonly IMediator _mediator;
+        private readonly IMovieRepository _movieRepository;
+        private readonly IEmbyPathReplacementService _pathReplacementService;
+        private readonly ISearchIndex _searchIndex;
+        private readonly ISearchRepository _searchRepository;
+
+        public EmbyMovieLibraryScanner(
+            IEmbyApiClient embyApiClient,
+            ISearchIndex searchIndex,
+            IMediator mediator,
+            IMovieRepository movieRepository,
+            ISearchRepository searchRepository,
+            IEmbyPathReplacementService pathReplacementService,
+            IMediaSourceRepository mediaSourceRepository,
+            ILocalFileSystem localFileSystem,
+            ILocalStatisticsProvider localStatisticsProvider,
+            ILogger<EmbyMovieLibraryScanner> logger)
+        {
+            _embyApiClient = embyApiClient;
+            _searchIndex = searchIndex;
+            _mediator = mediator;
+            _movieRepository = movieRepository;
+            _searchRepository = searchRepository;
+            _pathReplacementService = pathReplacementService;
+            _mediaSourceRepository = mediaSourceRepository;
+            _localFileSystem = localFileSystem;
+            _localStatisticsProvider = localStatisticsProvider;
+            _logger = logger;
+        }
+
+        public async Task<Either<BaseError, Unit>> ScanLibrary(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath)
+        {
+            List<EmbyItemEtag> existingMovies = await _movieRepository.GetExistingEmbyMovies(library);
+
+            // TODO: maybe get quick list of item ids and etags from api to compare first
+            // TODO: paging?
+
+            List<EmbyPathReplacement> pathReplacements = await _mediaSourceRepository
+                .GetEmbyPathReplacements(library.MediaSourceId);
+
+            Either<BaseError, List<EmbyMovie>> maybeMovies = await _embyApiClient.GetMovieLibraryItems(
+                address,
+                apiKey,
+                library.MediaSourceId,
+                library.ItemId);
+
+            await maybeMovies.Match(
+                async movies =>
+                {
+                    var validMovies = new List<EmbyMovie>();
+                    foreach (EmbyMovie movie in movies.OrderBy(m => m.MovieMetadata.Head().Title))
+                    {
+                        string localPath = _pathReplacementService.GetReplacementEmbyPath(
+                            pathReplacements,
+                            movie.MediaVersions.Head().MediaFiles.Head().Path,
+                            false);
+
+                        if (!_localFileSystem.FileExists(localPath))
+                        {
+                            _logger.LogWarning("Skipping emby movie that does not exist at {Path}", localPath);
+                        }
+                        else
+                        {
+                            validMovies.Add(movie);
+                        }
+                    }
+
+                    foreach (EmbyMovie incoming in validMovies)
+                    {
+                        decimal percentCompletion = (decimal) validMovies.IndexOf(incoming) / validMovies.Count;
+                        await _mediator.Publish(new LibraryScanProgress(library.Id, percentCompletion));
+
+                        Option<EmbyItemEtag> maybeExisting =
+                            existingMovies.Find(ie => ie.ItemId == incoming.ItemId);
+
+                        var updateStatistics = false;
+
+                        await maybeExisting.Match(
+                            async existing =>
+                            {
+                                try
+                                {
+                                    if (existing.Etag == incoming.Etag)
+                                    {
+                                        // _logger.LogDebug(
+                                        //     $"NOOP: Etag has not changed for movie {incoming.MovieMetadata.Head().Title}");
+                                        return;
+                                    }
+
+                                    _logger.LogDebug(
+                                        "UPDATE: Etag has changed for movie {Movie}",
+                                        incoming.MovieMetadata.Head().Title);
+
+                                    updateStatistics = true;
+                                    incoming.LibraryPathId = library.Paths.Head().Id;
+                                    Option<EmbyMovie> updated = await _movieRepository.UpdateEmby(incoming);
+                                    if (updated.IsSome)
+                                    {
+                                        await _searchIndex.UpdateItems(
+                                            _searchRepository,
+                                            new List<MediaItem> { updated.ValueUnsafe() });
+                                    }
+                                }
+                                catch (Exception ex)
+                                {
+                                    updateStatistics = false;
+                                    _logger.LogError(
+                                        ex,
+                                        "Error updating movie {Movie}",
+                                        incoming.MovieMetadata.Head().Title);
+                                }
+                            },
+                            async () =>
+                            {
+                                try
+                                {
+                                    // _logger.LogDebug(
+                                    //     $"INSERT: Item id is new for movie {incoming.MovieMetadata.Head().Title}");
+
+                                    updateStatistics = true;
+                                    incoming.LibraryPathId = library.Paths.Head().Id;
+                                    if (await _movieRepository.AddEmby(incoming))
+                                    {
+                                        await _searchIndex.AddItems(
+                                            _searchRepository,
+                                            new List<MediaItem> { incoming });
+                                    }
+                                }
+                                catch (Exception ex)
+                                {
+                                    updateStatistics = false;
+                                    _logger.LogError(
+                                        ex,
+                                        "Error adding movie {Movie}",
+                                        incoming.MovieMetadata.Head().Title);
+                                }
+                            });
+
+                        if (updateStatistics)
+                        {
+                            string localPath = _pathReplacementService.GetReplacementEmbyPath(
+                                pathReplacements,
+                                incoming.MediaVersions.Head().MediaFiles.Head().Path,
+                                false);
+
+                            _logger.LogDebug("Refreshing {Attribute} for {Path}", "Statistics", localPath);
+                            Either<BaseError, bool> refreshResult =
+                                await _localStatisticsProvider.RefreshStatistics(ffprobePath, incoming, localPath);
+
+                            await refreshResult.Match(
+                                async _ =>
+                                {
+                                    Option<MediaItem> updated = await _searchRepository.GetItemToIndex(incoming.Id);
+                                    if (updated.IsSome)
+                                    {
+                                        await _searchIndex.UpdateItems(
+                                            _searchRepository,
+                                            new List<MediaItem> { updated.ValueUnsafe() });
+                                    }
+                                },
+                                error =>
+                                {
+                                    _logger.LogWarning(
+                                        "Unable to refresh {Attribute} for media item {Path}. Error: {Error}",
+                                        "Statistics",
+                                        localPath,
+                                        error.Value);
+
+                                    return Task.CompletedTask;
+                                });
+                        }
+
+                        // TODO: figure out how to rebuild playlists
+                    }
+
+                    var incomingMovieIds = validMovies.Map(s => s.ItemId).ToList();
+                    var movieIds = existingMovies
+                        .Filter(i => !incomingMovieIds.Contains(i.ItemId))
+                        .Map(m => m.ItemId)
+                        .ToList();
+                    List<int> ids = await _movieRepository.RemoveMissingEmbyMovies(library, movieIds);
+                    await _searchIndex.RemoveItems(ids);
+
+                    await _mediator.Publish(new LibraryScanProgress(library.Id, 0));
+                    _searchIndex.Commit();
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Error synchronizing emby library {Path}: {Error}",
+                        library.Name,
+                        error.Value);
+
+                    return Task.CompletedTask;
+                });
+
+            _searchIndex.Commit();
+            return Unit.Default;
+        }
+    }
+}

ErsatzTV.Core/Emby/EmbyPathReplacementService.cs

@@ -0,0 +1,85 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Interfaces.Runtime;
+using LanguageExt;
+using Microsoft.Extensions.Logging;
+
+namespace ErsatzTV.Core.Emby
+{
+    public class EmbyPathReplacementService : IEmbyPathReplacementService
+    {
+        private readonly ILogger<EmbyPathReplacementService> _logger;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+        private readonly IRuntimeInfo _runtimeInfo;
+
+        public EmbyPathReplacementService(
+            IMediaSourceRepository mediaSourceRepository,
+            IRuntimeInfo runtimeInfo,
+            ILogger<EmbyPathReplacementService> logger)
+        {
+            _mediaSourceRepository = mediaSourceRepository;
+            _runtimeInfo = runtimeInfo;
+            _logger = logger;
+        }
+
+        public async Task<string> GetReplacementEmbyPath(int libraryPathId, string path)
+        {
+            List<EmbyPathReplacement> replacements =
+                await _mediaSourceRepository.GetEmbyPathReplacementsByLibraryId(libraryPathId);
+
+            return GetReplacementEmbyPath(replacements, path);
+        }
+
+        public string GetReplacementEmbyPath(
+            List<EmbyPathReplacement> pathReplacements,
+            string path,
+            bool log = true)
+        {
+            Option<EmbyPathReplacement> maybeReplacement = pathReplacements
+                .SingleOrDefault(
+                    r =>
+                    {
+                        string separatorChar = IsWindows(r.EmbyMediaSource) ? @"\" : @"/";
+                        string prefix = r.EmbyPath.EndsWith(separatorChar)
+                            ? r.EmbyPath
+                            : r.EmbyPath + separatorChar;
+                        return path.StartsWith(prefix);
+                    });
+
+            return maybeReplacement.Match(
+                replacement =>
+                {
+                    string finalPath = path.Replace(replacement.EmbyPath, replacement.LocalPath);
+                    if (IsWindows(replacement.EmbyMediaSource) && !_runtimeInfo.IsOSPlatform(OSPlatform.Windows))
+                    {
+                        finalPath = finalPath.Replace(@"\", @"/");
+                    }
+                    else if (!IsWindows(replacement.EmbyMediaSource) &&
+                             _runtimeInfo.IsOSPlatform(OSPlatform.Windows))
+                    {
+                        finalPath = finalPath.Replace(@"/", @"\");
+                    }
+
+                    if (log)
+                    {
+                        _logger.LogDebug(
+                            "Replacing emby path {EmbyPath} with {LocalPath} resulting in {FinalPath}",
+                            replacement.EmbyPath,
+                            replacement.LocalPath,
+                            finalPath);
+                    }
+
+                    return finalPath;
+                },
+                () => path);
+        }
+
+        private static bool IsWindows(EmbyMediaSource embyMediaSource) =>
+            embyMediaSource.OperatingSystem.ToLowerInvariant().StartsWith("windows");
+    }
+}

ErsatzTV.Core/Emby/EmbySecrets.cs

@@ -0,0 +1,8 @@
+using ErsatzTV.Core.MediaSources;
+
+namespace ErsatzTV.Core.Emby
+{
+    public class EmbySecrets : RemoteMediaSourceSecrets
+    {
+    }
+}

ErsatzTV.Core/Emby/EmbyServerInformation.cs

@@ -0,0 +1,4 @@
+namespace ErsatzTV.Core.Emby
+{
+    public record EmbyServerInformation(string ServerName, string OperatingSystem);
+}

ErsatzTV.Core/Emby/EmbyTelevisionLibraryScanner.cs

@@ -0,0 +1,416 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Interfaces.Search;
+using ErsatzTV.Core.Metadata;
+using LanguageExt;
+using LanguageExt.UnsafeValueAccess;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Unit = LanguageExt.Unit;
+
+namespace ErsatzTV.Core.Emby
+{
+    public class EmbyTelevisionLibraryScanner : IEmbyTelevisionLibraryScanner
+    {
+        private readonly IEmbyApiClient _embyApiClient;
+        private readonly ILocalFileSystem _localFileSystem;
+        private readonly ILocalStatisticsProvider _localStatisticsProvider;
+        private readonly ILogger<EmbyTelevisionLibraryScanner> _logger;
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+        private readonly IMediator _mediator;
+        private readonly IEmbyPathReplacementService _pathReplacementService;
+        private readonly ISearchIndex _searchIndex;
+        private readonly ISearchRepository _searchRepository;
+        private readonly IEmbyTelevisionRepository _televisionRepository;
+
+        public EmbyTelevisionLibraryScanner(
+            IEmbyApiClient embyApiClient,
+            IMediaSourceRepository mediaSourceRepository,
+            IEmbyTelevisionRepository televisionRepository,
+            ISearchIndex searchIndex,
+            ISearchRepository searchRepository,
+            IEmbyPathReplacementService pathReplacementService,
+            ILocalFileSystem localFileSystem,
+            ILocalStatisticsProvider localStatisticsProvider,
+            IMediator mediator,
+            ILogger<EmbyTelevisionLibraryScanner> logger)
+        {
+            _embyApiClient = embyApiClient;
+            _mediaSourceRepository = mediaSourceRepository;
+            _televisionRepository = televisionRepository;
+            _searchIndex = searchIndex;
+            _searchRepository = searchRepository;
+            _pathReplacementService = pathReplacementService;
+            _localFileSystem = localFileSystem;
+            _localStatisticsProvider = localStatisticsProvider;
+            _mediator = mediator;
+            _logger = logger;
+        }
+
+        public async Task<Either<BaseError, Unit>> ScanLibrary(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath)
+        {
+            List<EmbyItemEtag> existingShows = await _televisionRepository.GetExistingShows(library);
+
+            // TODO: maybe get quick list of item ids and etags from api to compare first
+            // TODO: paging?
+
+            List<EmbyPathReplacement> pathReplacements = await _mediaSourceRepository
+                .GetEmbyPathReplacements(library.MediaSourceId);
+
+            Either<BaseError, List<EmbyShow>> maybeShows = await _embyApiClient.GetShowLibraryItems(
+                address,
+                apiKey,
+                library.MediaSourceId,
+                library.ItemId);
+
+            await maybeShows.Match(
+                async shows =>
+                {
+                    await ProcessShows(address, apiKey, library, ffprobePath, pathReplacements, existingShows, shows);
+
+                    var incomingShowIds = shows.Map(s => s.ItemId).ToList();
+                    var showIds = existingShows
+                        .Filter(i => !incomingShowIds.Contains(i.ItemId))
+                        .Map(m => m.ItemId)
+                        .ToList();
+                    List<int> missingShowIds = await _televisionRepository.RemoveMissingShows(library, showIds);
+                    await _searchIndex.RemoveItems(missingShowIds);
+
+                    await _televisionRepository.DeleteEmptySeasons(library);
+                    List<int> emptyShowIds = await _televisionRepository.DeleteEmptyShows(library);
+                    await _searchIndex.RemoveItems(emptyShowIds);
+
+                    await _mediator.Publish(new LibraryScanProgress(library.Id, 0));
+                    _searchIndex.Commit();
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Error synchronizing emby library {Path}: {Error}",
+                        library.Name,
+                        error.Value);
+
+                    return Task.CompletedTask;
+                });
+
+            return Unit.Default;
+        }
+
+        private async Task ProcessShows(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath,
+            List<EmbyPathReplacement> pathReplacements,
+            List<EmbyItemEtag> existingShows,
+            List<EmbyShow> shows)
+        {
+            foreach (EmbyShow incoming in shows.OrderBy(s => s.ShowMetadata.Head().Title))
+            {
+                decimal percentCompletion = (decimal) shows.IndexOf(incoming) / shows.Count;
+                await _mediator.Publish(new LibraryScanProgress(library.Id, percentCompletion));
+
+                var changed = false;
+
+                Option<EmbyItemEtag> maybeExisting = existingShows.Find(ie => ie.ItemId == incoming.ItemId);
+                await maybeExisting.Match(
+                    async existing =>
+                    {
+                        if (existing.Etag == incoming.Etag)
+                        {
+                            return;
+                        }
+
+                        _logger.LogDebug(
+                            "UPDATE: Etag has changed for show {Show}",
+                            incoming.ShowMetadata.Head().Title);
+
+                        changed = true;
+                        incoming.LibraryPathId = library.Paths.Head().Id;
+
+                        Option<EmbyShow> updated = await _televisionRepository.Update(incoming);
+                        if (updated.IsSome)
+                        {
+                            await _searchIndex.UpdateItems(
+                                _searchRepository,
+                                new List<MediaItem> { updated.ValueUnsafe() });
+                        }
+                    },
+                    async () =>
+                    {
+                        changed = true;
+                        incoming.LibraryPathId = library.Paths.Head().Id;
+
+                        // _logger.LogDebug("INSERT: Item id is new for show {Show}", incoming.ShowMetadata.Head().Title);
+
+                        if (await _televisionRepository.AddShow(incoming))
+                        {
+                            await _searchIndex.AddItems(_searchRepository, new List<MediaItem> { incoming });
+                        }
+                    });
+
+                if (changed)
+                {
+                    List<EmbyItemEtag> existingSeasons =
+                        await _televisionRepository.GetExistingSeasons(library, incoming.ItemId);
+
+                    Either<BaseError, List<EmbySeason>> maybeSeasons =
+                        await _embyApiClient.GetSeasonLibraryItems(
+                            address,
+                            apiKey,
+                            library.MediaSourceId,
+                            incoming.ItemId);
+
+                    await maybeSeasons.Match(
+                        async seasons =>
+                        {
+                            await ProcessSeasons(
+                                address,
+                                apiKey,
+                                library,
+                                ffprobePath,
+                                pathReplacements,
+                                incoming,
+                                existingSeasons,
+                                seasons);
+
+                            await _searchIndex.UpdateItems(_searchRepository, new List<MediaItem> { incoming });
+
+                            var incomingSeasonIds = seasons.Map(s => s.ItemId).ToList();
+                            var seasonIds = existingSeasons
+                                .Filter(i => !incomingSeasonIds.Contains(i.ItemId))
+                                .Map(m => m.ItemId)
+                                .ToList();
+                            await _televisionRepository.RemoveMissingSeasons(library, seasonIds);
+                        },
+                        error =>
+                        {
+                            _logger.LogWarning(
+                                "Error synchronizing emby library {Path}: {Error}",
+                                library.Name,
+                                error.Value);
+
+                            return Task.CompletedTask;
+                        });
+                }
+            }
+        }
+
+        private async Task ProcessSeasons(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath,
+            List<EmbyPathReplacement> pathReplacements,
+            EmbyShow show,
+            List<EmbyItemEtag> existingSeasons,
+            List<EmbySeason> seasons)
+        {
+            foreach (EmbySeason incoming in seasons)
+            {
+                var changed = false;
+
+                Option<EmbyItemEtag> maybeExisting = existingSeasons.Find(ie => ie.ItemId == incoming.ItemId);
+                await maybeExisting.Match(
+                    async existing =>
+                    {
+                        if (existing.Etag == incoming.Etag)
+                        {
+                            return;
+                        }
+
+                        _logger.LogDebug(
+                            "UPDATE: Etag has changed for show {Show} season {Season}",
+                            show.ShowMetadata.Head().Title,
+                            incoming.SeasonMetadata.Head().Title);
+
+                        changed = true;
+                        incoming.ShowId = show.Id;
+                        incoming.LibraryPathId = library.Paths.Head().Id;
+
+                        await _televisionRepository.Update(incoming);
+                    },
+                    async () =>
+                    {
+                        changed = true;
+                        incoming.ShowId = show.Id;
+                        incoming.LibraryPathId = library.Paths.Head().Id;
+
+                        _logger.LogDebug(
+                            "INSERT: Item id is new for show {Show} season {Season}",
+                            show.ShowMetadata.Head().Title,
+                            incoming.SeasonMetadata.Head().Title);
+
+                        await _televisionRepository.AddSeason(incoming);
+                    });
+
+                if (changed)
+                {
+                    List<EmbyItemEtag> existingEpisodes =
+                        await _televisionRepository.GetExistingEpisodes(library, incoming.ItemId);
+
+                    Either<BaseError, List<EmbyEpisode>> maybeEpisodes =
+                        await _embyApiClient.GetEpisodeLibraryItems(
+                            address,
+                            apiKey,
+                            library.MediaSourceId,
+                            incoming.ItemId);
+
+                    await maybeEpisodes.Match(
+                        async episodes =>
+                        {
+                            var validEpisodes = new List<EmbyEpisode>();
+                            foreach (EmbyEpisode episode in episodes)
+                            {
+                                string localPath = _pathReplacementService.GetReplacementEmbyPath(
+                                    pathReplacements,
+                                    episode.MediaVersions.Head().MediaFiles.Head().Path,
+                                    false);
+
+                                if (!_localFileSystem.FileExists(localPath))
+                                {
+                                    _logger.LogWarning(
+                                        "Skipping emby episode that does not exist at {Path}",
+                                        localPath);
+                                }
+                                else
+                                {
+                                    validEpisodes.Add(episode);
+                                }
+                            }
+
+                            await ProcessEpisodes(
+                                show.ShowMetadata.Head().Title,
+                                incoming.SeasonMetadata.Head().Title,
+                                library,
+                                ffprobePath,
+                                pathReplacements,
+                                incoming,
+                                existingEpisodes,
+                                validEpisodes);
+
+                            var incomingEpisodeIds = episodes.Map(s => s.ItemId).ToList();
+                            var episodeIds = existingEpisodes
+                                .Filter(i => !incomingEpisodeIds.Contains(i.ItemId))
+                                .Map(m => m.ItemId)
+                                .ToList();
+                            await _televisionRepository.RemoveMissingEpisodes(library, episodeIds);
+                        },
+                        error =>
+                        {
+                            _logger.LogWarning(
+                                "Error synchronizing emby library {Path}: {Error}",
+                                library.Name,
+                                error.Value);
+
+                            return Task.CompletedTask;
+                        });
+                }
+            }
+        }
+
+        private async Task ProcessEpisodes(
+            string showName,
+            string seasonName,
+            EmbyLibrary library,
+            string ffprobePath,
+            List<EmbyPathReplacement> pathReplacements,
+            EmbySeason season,
+            List<EmbyItemEtag> existingEpisodes,
+            List<EmbyEpisode> episodes)
+        {
+            foreach (EmbyEpisode incoming in episodes)
+            {
+                var updateStatistics = false;
+
+                Option<EmbyItemEtag> maybeExisting = existingEpisodes.Find(ie => ie.ItemId == incoming.ItemId);
+                await maybeExisting.Match(
+                    async existing =>
+                    {
+                        try
+                        {
+                            if (existing.Etag == incoming.Etag)
+                            {
+                                return;
+                            }
+
+                            _logger.LogDebug(
+                                "UPDATE: Etag has changed for show {Show} season {Season} episode {Episode}",
+                                showName,
+                                seasonName,
+                                incoming.EpisodeNumber);
+
+                            updateStatistics = true;
+                            incoming.SeasonId = season.Id;
+                            incoming.LibraryPathId = library.Paths.Head().Id;
+
+                            await _televisionRepository.Update(incoming);
+                        }
+                        catch (Exception ex)
+                        {
+                            updateStatistics = false;
+                            _logger.LogError(
+                                ex,
+                                "Error updating episode {Path}",
+                                incoming.MediaVersions.Head().MediaFiles.Head().Path);
+                        }
+                    },
+                    async () =>
+                    {
+                        try
+                        {
+                            updateStatistics = true;
+                            incoming.SeasonId = season.Id;
+                            incoming.LibraryPathId = library.Paths.Head().Id;
+
+                            _logger.LogDebug(
+                                "INSERT: Item id is new for show {Show} season {Season} episode {Episode}",
+                                showName,
+                                seasonName,
+                                incoming.EpisodeNumber);
+
+                            await _televisionRepository.AddEpisode(incoming);
+                        }
+                        catch (Exception ex)
+                        {
+                            updateStatistics = false;
+                            _logger.LogError(
+                                ex,
+                                "Error adding episode {Path}",
+                                incoming.MediaVersions.Head().MediaFiles.Head().Path);
+                        }
+                    });
+
+                if (updateStatistics)
+                {
+                    string localPath = _pathReplacementService.GetReplacementEmbyPath(
+                        pathReplacements,
+                        incoming.MediaVersions.Head().MediaFiles.Head().Path,
+                        false);
+
+                    _logger.LogDebug("Refreshing {Attribute} for {Path}", "Statistics", localPath);
+                    Either<BaseError, bool> refreshResult =
+                        await _localStatisticsProvider.RefreshStatistics(ffprobePath, incoming, localPath);
+
+                    refreshResult.Match(
+                        _ => { },
+                        error => _logger.LogWarning(
+                            "Unable to refresh {Attribute} for media item {Path}. Error: {Error}",
+                            "Statistics",
+                            localPath,
+                            error.Value));
+                }
+            }
+        }
+    }
+}

ErsatzTV.Core/Emby/EmbyUrl.cs

@@ -0,0 +1,31 @@
+using ErsatzTV.Core.Domain;
+using Flurl;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Emby
+{
+    public static class EmbyUrl
+    {
+        public static Url ForArtwork(Option<EmbyMediaSource> maybeEmby, string artwork)
+        {
+            string address = maybeEmby.Map(ms => ms.Connections.HeadOrNone().Map(c => c.Address))
+                .Flatten()
+                .IfNone("emby://");
+
+            string[] split = artwork.Replace("emby://", string.Empty).Split('?');
+            if (split.Length != 2)
+            {
+                return artwork;
+            }
+
+            string pathSegment = split[0];
+            QueryParamCollection query = Url.ParseQueryParams(split[1]);
+
+            Url x = Url.Parse(address)
+                .AppendPathSegment(pathSegment)
+                .SetQueryParams(query);
+
+            return x;
+        }
+    }
+}

ErsatzTV.Core/FileSystemLayout.cs

@@ -19,6 +19,7 @@ namespace ErsatzTV.Core
 
         public static readonly string PlexSecretsPath = Path.Combine(AppDataFolder, "plex-secrets.json");
         public static readonly string JellyfinSecretsPath = Path.Combine(AppDataFolder, "jellyfin-secrets.json");
+        public static readonly string EmbySecretsPath = Path.Combine(AppDataFolder, "emby-secrets.json");
 
         public static readonly string FFmpegReportsFolder = Path.Combine(AppDataFolder, "ffmpeg-reports");
         public static readonly string SearchIndexFolder = Path.Combine(AppDataFolder, "search-index");

ErsatzTV.Core/Interfaces/Emby/IEmbyApiClient.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Emby
+{
+    public interface IEmbyApiClient
+    {
+        Task<Either<BaseError, EmbyServerInformation>> GetServerInformation(string address, string apiKey);
+        Task<Either<BaseError, List<EmbyLibrary>>> GetLibraries(string address, string apiKey);
+
+        Task<Either<BaseError, List<EmbyMovie>>> GetMovieLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string libraryId);
+
+        Task<Either<BaseError, List<EmbyShow>>> GetShowLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string libraryId);
+
+        Task<Either<BaseError, List<EmbySeason>>> GetSeasonLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string showId);
+
+        Task<Either<BaseError, List<EmbyEpisode>>> GetEpisodeLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string seasonId);
+    }
+}

ErsatzTV.Core/Interfaces/Emby/IEmbyMovieLibraryScanner.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Emby
+{
+    public interface IEmbyMovieLibraryScanner
+    {
+        Task<Either<BaseError, Unit>> ScanLibrary(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath);
+    }
+}

ErsatzTV.Core/Interfaces/Emby/IEmbyPathReplacementService.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+
+namespace ErsatzTV.Core.Interfaces.Emby
+{
+    public interface IEmbyPathReplacementService
+    {
+        Task<string> GetReplacementEmbyPath(int libraryPathId, string path);
+        string GetReplacementEmbyPath(List<EmbyPathReplacement> pathReplacements, string path, bool log = true);
+    }
+}

ErsatzTV.Core/Interfaces/Emby/IEmbySecretStore.cs

@@ -0,0 +1,9 @@
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.MediaSources;
+
+namespace ErsatzTV.Core.Interfaces.Emby
+{
+    public interface IEmbySecretStore : IRemoteMediaSourceSecretStore<EmbySecrets>
+    {
+    }
+}

ErsatzTV.Core/Interfaces/Emby/IEmbyTelevisionLibraryScanner.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Emby
+{
+    public interface IEmbyTelevisionLibraryScanner
+    {
+        Task<Either<BaseError, Unit>> ScanLibrary(
+            string address,
+            string apiKey,
+            EmbyLibrary library,
+            string ffprobePath);
+    }
+}

ErsatzTV.Core/Interfaces/Jellyfin/IJellyfinSecretStore.cs

@@ -1,13 +1,9 @@
-using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.MediaSources;
 using ErsatzTV.Core.Jellyfin;
-using LanguageExt;
 
 namespace ErsatzTV.Core.Interfaces.Jellyfin
 {
-    public interface IJellyfinSecretStore
+    public interface IJellyfinSecretStore : IRemoteMediaSourceSecretStore<JellyfinSecrets>
     {
-        Task<Unit> DeleteAll();
-        Task<JellyfinSecrets> ReadSecrets();
-        Task<Unit> SaveSecrets(JellyfinSecrets jellyfinSecrets);
     }
 }

ErsatzTV.Core/Interfaces/Locking/IEntityLocker.cs

@@ -6,14 +6,14 @@ namespace ErsatzTV.Core.Interfaces.Locking
     {
         event EventHandler OnLibraryChanged;
         event EventHandler OnPlexChanged;
-        event EventHandler OnJellyfinChanged;
+        event EventHandler<Type> OnRemoteMediaSourceChanged;
         bool LockLibrary(int libraryId);
         bool UnlockLibrary(int libraryId);
         bool IsLibraryLocked(int libraryId);
         bool LockPlex();
         bool UnlockPlex();
         bool IsPlexLocked();
-        bool LockJellyfin();
-        bool UnlockJellyfin();
+        bool LockRemoteMediaSource<TMediaSource>();
+        bool UnlockRemoteMediaSource<TMediaSource>();
     }
 }

ErsatzTV.Core/Interfaces/MediaSources/IRemoteMediaSourceSecretStore.cs

@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.MediaSources
+{
+    public interface IRemoteMediaSourceSecretStore<TSecrets>
+    {
+        Task<Unit> DeleteAll();
+        Task<TSecrets> ReadSecrets();
+        Task<Unit> SaveSecrets(TSecrets jellyfinSecrets);
+    }
+}

ErsatzTV.Core/Interfaces/Repositories/IEmbyTelevisionRepository.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Repositories
+{
+    public interface IEmbyTelevisionRepository
+    {
+        Task<List<EmbyItemEtag>> GetExistingShows(EmbyLibrary library);
+        Task<List<EmbyItemEtag>> GetExistingSeasons(EmbyLibrary library, string showItemId);
+        Task<List<EmbyItemEtag>> GetExistingEpisodes(EmbyLibrary library, string seasonItemId);
+        Task<bool> AddShow(EmbyShow show);
+        Task<Option<EmbyShow>> Update(EmbyShow show);
+        Task<bool> AddSeason(EmbySeason season);
+        Task<Unit> Update(EmbySeason season);
+        Task<bool> AddEpisode(EmbyEpisode episode);
+        Task<Unit> Update(EmbyEpisode episode);
+        Task<List<int>> RemoveMissingShows(EmbyLibrary library, List<string> showIds);
+        Task<Unit> RemoveMissingSeasons(EmbyLibrary library, List<string> seasonIds);
+        Task<Unit> RemoveMissingEpisodes(EmbyLibrary library, List<string> episodeIds);
+        Task<Unit> DeleteEmptySeasons(EmbyLibrary library);
+        Task<List<int>> DeleteEmptyShows(EmbyLibrary library);
+    }
+}

ErsatzTV.Core/Interfaces/Repositories/IMediaSourceRepository.cs

@@ -37,6 +37,11 @@ namespace ErsatzTV.Core.Interfaces.Repositories
             List<JellyfinLibrary> toAdd,
             List<JellyfinLibrary> toDelete);
 
+        Task<Unit> UpdateLibraries(
+            int embyMediaSourceId,
+            List<EmbyLibrary> toAdd,
+            List<EmbyLibrary> toDelete);
+
         Task<Unit> UpdatePathReplacements(
             int plexMediaSourceId,
             List<PlexPathReplacement> toAdd,
@@ -68,5 +73,24 @@ namespace ErsatzTV.Core.Interfaces.Repositories
             List<JellyfinPathReplacement> toDelete);
 
         Task<List<int>> DeleteAllJellyfin();
+
+        Task<Unit> UpsertEmby(string address, string serverName, string operatingSystem);
+        Task<List<EmbyMediaSource>> GetAllEmby();
+        Task<Option<EmbyMediaSource>> GetEmby(int id);
+        Task<Option<EmbyMediaSource>> GetEmbyByLibraryId(int embyLibraryId);
+        Task<Option<EmbyLibrary>> GetEmbyLibrary(int embyLibraryId);
+        Task<List<EmbyLibrary>> GetEmbyLibraries(int embyMediaSourceId);
+        Task<List<EmbyPathReplacement>> GetEmbyPathReplacements(int embyMediaSourceId);
+        Task<List<EmbyPathReplacement>> GetEmbyPathReplacementsByLibraryId(int embyLibraryPathId);
+
+        Task<Unit> UpdatePathReplacements(
+            int embyMediaSourceId,
+            List<EmbyPathReplacement> toAdd,
+            List<EmbyPathReplacement> toUpdate,
+            List<EmbyPathReplacement> toDelete);
+
+        Task<List<int>> DeleteAllEmby();
+        Task<Unit> EnableEmbyLibrarySync(IEnumerable<int> libraryIds);
+        Task<List<int>> DisableEmbyLibrarySync(List<int> libraryIds);
     }
 }

ErsatzTV.Core/Interfaces/Repositories/IMovieRepository.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Jellyfin;
 using ErsatzTV.Core.Metadata;
 using LanguageExt;
@@ -28,5 +29,9 @@ namespace ErsatzTV.Core.Interfaces.Repositories
         Task<List<int>> RemoveMissingJellyfinMovies(JellyfinLibrary library, List<string> movieIds);
         Task<bool> AddJellyfin(JellyfinMovie movie);
         Task<Option<JellyfinMovie>> UpdateJellyfin(JellyfinMovie movie);
+        Task<List<EmbyItemEtag>> GetExistingEmbyMovies(EmbyLibrary library);
+        Task<List<int>> RemoveMissingEmbyMovies(EmbyLibrary library, List<string> movieIds);
+        Task<bool> AddEmby(EmbyMovie movie);
+        Task<Option<EmbyMovie>> UpdateEmby(EmbyMovie movie);
     }
 }

ErsatzTV.Core/Jellyfin/JellyfinSecrets.cs

@@ -1,8 +1,8 @@
-namespace ErsatzTV.Core.Jellyfin
+using ErsatzTV.Core.MediaSources;
+
+namespace ErsatzTV.Core.Jellyfin
 {
-    public class JellyfinSecrets
+    public class JellyfinSecrets : RemoteMediaSourceSecrets
     {
-        public string Address { get; set; }
-        public string ApiKey { get; set; }
     }
 }

ErsatzTV.Core/MediaSources/RemoteMediaSourceSecrets.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.MediaSources
+{
+    public class RemoteMediaSourceSecrets
+    {
+        public string Address { get; set; }
+        public string ApiKey { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/Library/EmbyLibraryConfiguration.cs

@@ -0,0 +1,12 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyLibraryConfiguration : IEntityTypeConfiguration<EmbyLibrary>
+    {
+        public void Configure(EntityTypeBuilder<EmbyLibrary> builder) =>
+            builder.ToTable("EmbyLibrary");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/EmbyEpisodeConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyEpisodeConfiguration : IEntityTypeConfiguration<EmbyEpisode>
+    {
+        public void Configure(EntityTypeBuilder<EmbyEpisode> builder) => builder.ToTable("EmbyEpisode");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/EmbyMovieConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyMovieConfiguration : IEntityTypeConfiguration<EmbyMovie>
+    {
+        public void Configure(EntityTypeBuilder<EmbyMovie> builder) => builder.ToTable("EmbyMovie");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/EmbySeasonConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbySeasonConfiguration : IEntityTypeConfiguration<EmbySeason>
+    {
+        public void Configure(EntityTypeBuilder<EmbySeason> builder) => builder.ToTable("EmbySeason");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/EmbyShowConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyShowConfiguration : IEntityTypeConfiguration<EmbyShow>
+    {
+        public void Configure(EntityTypeBuilder<EmbyShow> builder) => builder.ToTable("EmbyShow");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaSource/EmbyConnectionConfiguration.cs

@@ -0,0 +1,12 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyConnectionConfiguration : IEntityTypeConfiguration<EmbyConnection>
+    {
+        public void Configure(EntityTypeBuilder<EmbyConnection> builder) =>
+            builder.ToTable("EmbyConnection");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaSource/EmbyMediaSourceConfiguration.cs

@@ -0,0 +1,24 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyMediaSourceConfiguration : IEntityTypeConfiguration<EmbyMediaSource>
+    {
+        public void Configure(EntityTypeBuilder<EmbyMediaSource> builder)
+        {
+            builder.ToTable("EmbyMediaSource");
+
+            builder.HasMany(s => s.Connections)
+                .WithOne(c => c.EmbyMediaSource)
+                .HasForeignKey(c => c.EmbyMediaSourceId)
+                .OnDelete(DeleteBehavior.Cascade);
+
+            builder.HasMany(s => s.PathReplacements)
+                .WithOne(r => r.EmbyMediaSource)
+                .HasForeignKey(r => r.EmbyMediaSourceId)
+                .OnDelete(DeleteBehavior.Cascade);
+        }
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaSource/EmbyPathReplacementConfiguration.cs

@@ -0,0 +1,12 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class EmbyPathReplacementConfiguration : IEntityTypeConfiguration<EmbyPathReplacement>
+    {
+        public void Configure(EntityTypeBuilder<EmbyPathReplacement> builder) =>
+            builder.ToTable("EmbyPathReplacement");
+    }
+}

ErsatzTV.Infrastructure/Data/Repositories/EmbyTelevisionRepository.cs

@@ -0,0 +1,454 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using Dapper;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using LanguageExt.UnsafeValueAccess;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Infrastructure.Data.Repositories
+{
+    public class EmbyTelevisionRepository : IEmbyTelevisionRepository
+    {
+        private readonly IDbConnection _dbConnection;
+        private readonly IDbContextFactory<TvContext> _dbContextFactory;
+
+        public EmbyTelevisionRepository(IDbConnection dbConnection, IDbContextFactory<TvContext> dbContextFactory)
+        {
+            _dbConnection = dbConnection;
+            _dbContextFactory = dbContextFactory;
+        }
+
+        public Task<List<EmbyItemEtag>> GetExistingShows(EmbyLibrary library) =>
+            _dbConnection.QueryAsync<EmbyItemEtag>(
+                    @"SELECT ItemId, Etag FROM EmbyShow
+                      INNER JOIN Show S on EmbyShow.Id = S.Id
+                      INNER JOIN MediaItem MI on S.Id = MI.Id
+                      INNER JOIN LibraryPath LP on MI.LibraryPathId = LP.Id
+                      WHERE LP.LibraryId = @LibraryId",
+                    new { LibraryId = library.Id })
+                .Map(result => result.ToList());
+
+        public Task<List<EmbyItemEtag>> GetExistingSeasons(EmbyLibrary library, string showItemId) =>
+            _dbConnection.QueryAsync<EmbyItemEtag>(
+                    @"SELECT EmbySeason.ItemId, EmbySeason.Etag FROM EmbySeason
+                      INNER JOIN Season S on EmbySeason.Id = S.Id
+                      INNER JOIN MediaItem MI on S.Id = MI.Id
+                      INNER JOIN LibraryPath LP on MI.LibraryPathId = LP.Id
+                      INNER JOIN Show S2 on S.ShowId = S2.Id
+                      INNER JOIN EmbyShow JS on S2.Id = JS.Id
+                      WHERE LP.LibraryId = @LibraryId AND JS.ItemId = @ShowItemId",
+                    new { LibraryId = library.Id, ShowItemId = showItemId })
+                .Map(result => result.ToList());
+
+        public Task<List<EmbyItemEtag>> GetExistingEpisodes(EmbyLibrary library, string seasonItemId) =>
+            _dbConnection.QueryAsync<EmbyItemEtag>(
+                    @"SELECT EmbyEpisode.ItemId, EmbyEpisode.Etag FROM EmbyEpisode
+                      INNER JOIN Episode E on EmbyEpisode.Id = E.Id
+                      INNER JOIN MediaItem MI on E.Id = MI.Id
+                      INNER JOIN LibraryPath LP on MI.LibraryPathId = LP.Id
+                      INNER JOIN Season S2 on E.SeasonId = S2.Id
+                      INNER JOIN EmbySeason JS on S2.Id = JS.Id
+                      WHERE LP.LibraryId = @LibraryId AND JS.ItemId = @SeasonItemId",
+                    new { LibraryId = library.Id, SeasonItemId = seasonItemId })
+                .Map(result => result.ToList());
+
+        public async Task<bool> AddShow(EmbyShow show)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            await dbContext.AddAsync(show);
+            if (await dbContext.SaveChangesAsync() <= 0)
+            {
+                return false;
+            }
+
+            await dbContext.Entry(show).Reference(m => m.LibraryPath).LoadAsync();
+            await dbContext.Entry(show.LibraryPath).Reference(lp => lp.Library).LoadAsync();
+            return true;
+        }
+
+        public async Task<Option<EmbyShow>> Update(EmbyShow show)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            Option<EmbyShow> maybeExisting = await dbContext.EmbyShows
+                .Include(m => m.LibraryPath)
+                .ThenInclude(lp => lp.Library)
+                .Include(m => m.ShowMetadata)
+                .ThenInclude(mm => mm.Genres)
+                .Include(m => m.ShowMetadata)
+                .ThenInclude(mm => mm.Tags)
+                .Include(m => m.ShowMetadata)
+                .ThenInclude(mm => mm.Studios)
+                .Include(m => m.ShowMetadata)
+                .ThenInclude(mm => mm.Actors)
+                .Include(m => m.ShowMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Filter(m => m.ItemId == show.ItemId)
+                .OrderBy(m => m.ItemId)
+                .SingleOrDefaultAsync();
+
+            if (maybeExisting.IsSome)
+            {
+                EmbyShow existing = maybeExisting.ValueUnsafe();
+
+                // library path is used for search indexing later
+                show.LibraryPath = existing.LibraryPath;
+                show.Id = existing.Id;
+
+                existing.Etag = show.Etag;
+
+                // metadata
+                ShowMetadata metadata = existing.ShowMetadata.Head();
+                ShowMetadata incomingMetadata = show.ShowMetadata.Head();
+                metadata.Title = incomingMetadata.Title;
+                metadata.SortTitle = incomingMetadata.SortTitle;
+                metadata.Plot = incomingMetadata.Plot;
+                metadata.Year = incomingMetadata.Year;
+                metadata.Tagline = incomingMetadata.Tagline;
+                metadata.DateAdded = incomingMetadata.DateAdded;
+                metadata.DateUpdated = DateTime.UtcNow;
+
+                // genres
+                foreach (Genre genre in metadata.Genres
+                    .Filter(g => incomingMetadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Genres.Remove(genre);
+                }
+
+                foreach (Genre genre in incomingMetadata.Genres
+                    .Filter(g => metadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Genres.Add(genre);
+                }
+
+                // tags
+                foreach (Tag tag in metadata.Tags
+                    .Filter(g => incomingMetadata.Tags.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Tags.Remove(tag);
+                }
+
+                foreach (Tag tag in incomingMetadata.Tags
+                    .Filter(g => metadata.Tags.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Tags.Add(tag);
+                }
+
+                // studios
+                foreach (Studio studio in metadata.Studios
+                    .Filter(g => incomingMetadata.Studios.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Studios.Remove(studio);
+                }
+
+                foreach (Studio studio in incomingMetadata.Studios
+                    .Filter(g => metadata.Studios.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Studios.Add(studio);
+                }
+
+                // actors
+                foreach (Actor actor in metadata.Actors
+                    .Filter(
+                        a => incomingMetadata.Actors.All(
+                            a2 => a2.Name != a.Name || a.Artwork == null && a2.Artwork != null))
+                    .ToList())
+                {
+                    metadata.Actors.Remove(actor);
+                }
+
+                foreach (Actor actor in incomingMetadata.Actors
+                    .Filter(a => metadata.Actors.All(a2 => a2.Name != a.Name))
+                    .ToList())
+                {
+                    metadata.Actors.Add(actor);
+                }
+
+                metadata.ReleaseDate = incomingMetadata.ReleaseDate;
+
+                // poster
+                Artwork incomingPoster =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                if (incomingPoster != null)
+                {
+                    Artwork poster = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                    if (poster == null)
+                    {
+                        poster = new Artwork { ArtworkKind = ArtworkKind.Poster };
+                        metadata.Artwork.Add(poster);
+                    }
+
+                    poster.Path = incomingPoster.Path;
+                    poster.DateAdded = incomingPoster.DateAdded;
+                    poster.DateUpdated = incomingPoster.DateUpdated;
+                }
+
+                // fan art
+                Artwork incomingFanArt =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                if (incomingFanArt != null)
+                {
+                    Artwork fanArt = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                    if (fanArt == null)
+                    {
+                        fanArt = new Artwork { ArtworkKind = ArtworkKind.FanArt };
+                        metadata.Artwork.Add(fanArt);
+                    }
+
+                    fanArt.Path = incomingFanArt.Path;
+                    fanArt.DateAdded = incomingFanArt.DateAdded;
+                    fanArt.DateUpdated = incomingFanArt.DateUpdated;
+                }
+            }
+
+            await dbContext.SaveChangesAsync();
+
+            return maybeExisting;
+        }
+
+        public async Task<bool> AddSeason(EmbySeason season)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            await dbContext.AddAsync(season);
+            if (await dbContext.SaveChangesAsync() <= 0)
+            {
+                return false;
+            }
+
+            await dbContext.Entry(season).Reference(m => m.LibraryPath).LoadAsync();
+            await dbContext.Entry(season.LibraryPath).Reference(lp => lp.Library).LoadAsync();
+            return true;
+        }
+
+        public async Task<Unit> Update(EmbySeason season)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            Option<EmbySeason> maybeExisting = await dbContext.EmbySeasons
+                .Include(m => m.LibraryPath)
+                .Include(m => m.SeasonMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Filter(m => m.ItemId == season.ItemId)
+                .OrderBy(m => m.ItemId)
+                .SingleOrDefaultAsync();
+
+            if (maybeExisting.IsSome)
+            {
+                EmbySeason existing = maybeExisting.ValueUnsafe();
+
+                // library path is used for search indexing later
+                season.LibraryPath = existing.LibraryPath;
+                season.Id = existing.Id;
+
+                existing.Etag = season.Etag;
+                existing.SeasonNumber = season.SeasonNumber;
+
+                // metadata
+                SeasonMetadata metadata = existing.SeasonMetadata.Head();
+                SeasonMetadata incomingMetadata = season.SeasonMetadata.Head();
+                metadata.Title = incomingMetadata.Title;
+                metadata.SortTitle = incomingMetadata.SortTitle;
+                metadata.Year = incomingMetadata.Year;
+                metadata.DateAdded = incomingMetadata.DateAdded;
+                metadata.DateUpdated = DateTime.UtcNow;
+                metadata.ReleaseDate = incomingMetadata.ReleaseDate;
+
+                // poster
+                Artwork incomingPoster =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                if (incomingPoster != null)
+                {
+                    Artwork poster = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                    if (poster == null)
+                    {
+                        poster = new Artwork { ArtworkKind = ArtworkKind.Poster };
+                        metadata.Artwork.Add(poster);
+                    }
+
+                    poster.Path = incomingPoster.Path;
+                    poster.DateAdded = incomingPoster.DateAdded;
+                    poster.DateUpdated = incomingPoster.DateUpdated;
+                }
+
+                // fan art
+                Artwork incomingFanArt =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                if (incomingFanArt != null)
+                {
+                    Artwork fanArt = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                    if (fanArt == null)
+                    {
+                        fanArt = new Artwork { ArtworkKind = ArtworkKind.FanArt };
+                        metadata.Artwork.Add(fanArt);
+                    }
+
+                    fanArt.Path = incomingFanArt.Path;
+                    fanArt.DateAdded = incomingFanArt.DateAdded;
+                    fanArt.DateUpdated = incomingFanArt.DateUpdated;
+                }
+            }
+
+            await dbContext.SaveChangesAsync();
+
+            return Unit.Default;
+        }
+
+        public async Task<bool> AddEpisode(EmbyEpisode episode)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            await dbContext.AddAsync(episode);
+            if (await dbContext.SaveChangesAsync() <= 0)
+            {
+                return false;
+            }
+
+            await dbContext.Entry(episode).Reference(m => m.LibraryPath).LoadAsync();
+            await dbContext.Entry(episode.LibraryPath).Reference(lp => lp.Library).LoadAsync();
+            return true;
+        }
+
+        public async Task<Unit> Update(EmbyEpisode episode)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            Option<EmbyEpisode> maybeExisting = await dbContext.EmbyEpisodes
+                .Include(m => m.LibraryPath)
+                .Include(m => m.MediaVersions)
+                .ThenInclude(mv => mv.MediaFiles)
+                .Include(m => m.MediaVersions)
+                .ThenInclude(mv => mv.Streams)
+                .Include(m => m.EpisodeMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Filter(m => m.ItemId == episode.ItemId)
+                .OrderBy(m => m.ItemId)
+                .SingleOrDefaultAsync();
+
+            if (maybeExisting.IsSome)
+            {
+                EmbyEpisode existing = maybeExisting.ValueUnsafe();
+
+                // library path is used for search indexing later
+                episode.LibraryPath = existing.LibraryPath;
+                episode.Id = existing.Id;
+
+                existing.Etag = episode.Etag;
+                existing.EpisodeNumber = episode.EpisodeNumber;
+
+                // metadata
+                EpisodeMetadata metadata = existing.EpisodeMetadata.Head();
+                EpisodeMetadata incomingMetadata = episode.EpisodeMetadata.Head();
+                metadata.Title = incomingMetadata.Title;
+                metadata.SortTitle = incomingMetadata.SortTitle;
+                metadata.Plot = incomingMetadata.Plot;
+                metadata.Year = incomingMetadata.Year;
+                metadata.DateAdded = incomingMetadata.DateAdded;
+                metadata.DateUpdated = DateTime.UtcNow;
+                metadata.ReleaseDate = incomingMetadata.ReleaseDate;
+
+                // thumbnail
+                Artwork incomingThumbnail =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Thumbnail);
+                if (incomingThumbnail != null)
+                {
+                    Artwork thumbnail = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Thumbnail);
+                    if (thumbnail == null)
+                    {
+                        thumbnail = new Artwork { ArtworkKind = ArtworkKind.Thumbnail };
+                        metadata.Artwork.Add(thumbnail);
+                    }
+
+                    thumbnail.Path = incomingThumbnail.Path;
+                    thumbnail.DateAdded = incomingThumbnail.DateAdded;
+                    thumbnail.DateUpdated = incomingThumbnail.DateUpdated;
+                }
+
+                // version
+                MediaVersion version = existing.MediaVersions.Head();
+                MediaVersion incomingVersion = episode.MediaVersions.Head();
+                version.Name = incomingVersion.Name;
+                version.DateAdded = incomingVersion.DateAdded;
+
+                // media file
+                MediaFile file = version.MediaFiles.Head();
+                MediaFile incomingFile = incomingVersion.MediaFiles.Head();
+                file.Path = incomingFile.Path;
+            }
+
+            await dbContext.SaveChangesAsync();
+
+            return Unit.Default;
+        }
+
+        public async Task<List<int>> RemoveMissingShows(EmbyLibrary library, List<string> showIds)
+        {
+            List<int> ids = await _dbConnection.QueryAsync<int>(
+                @"SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyShow js ON js.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                WHERE lp.LibraryId = @LibraryId AND js.ItemId IN @ShowIds",
+                new { LibraryId = library.Id, ShowIds = showIds }).Map(result => result.ToList());
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyShow js ON js.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                WHERE lp.LibraryId = @LibraryId AND js.ItemId IN @ShowIds)",
+                new { LibraryId = library.Id, ShowIds = showIds });
+
+            return ids;
+        }
+
+        public Task<Unit> RemoveMissingSeasons(EmbyLibrary library, List<string> seasonIds) =>
+            _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbySeason js ON js.Id = m.Id
+                INNER JOIN LibraryPath LP on m.LibraryPathId = LP.Id
+                WHERE LP.LibraryId = @LibraryId AND js.ItemId IN @SeasonIds)",
+                new { LibraryId = library.Id, SeasonIds = seasonIds }).ToUnit();
+
+        public Task<Unit> RemoveMissingEpisodes(EmbyLibrary library, List<string> episodeIds) =>
+            _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyEpisode je ON je.Id = m.Id
+                INNER JOIN LibraryPath LP on m.LibraryPathId = LP.Id
+                WHERE LP.LibraryId = @LibraryId AND je.ItemId IN @EpisodeIds)",
+                new { LibraryId = library.Id, EpisodeIds = episodeIds }).ToUnit();
+
+        public async Task<Unit> DeleteEmptySeasons(EmbyLibrary library)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            List<EmbySeason> seasons = await dbContext.EmbySeasons
+                .Filter(s => s.LibraryPath.LibraryId == library.Id)
+                .Filter(s => s.Episodes.Count == 0)
+                .ToListAsync();
+            dbContext.Seasons.RemoveRange(seasons);
+            await dbContext.SaveChangesAsync();
+            return Unit.Default;
+        }
+
+        public async Task<List<int>> DeleteEmptyShows(EmbyLibrary library)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            List<EmbyShow> shows = await dbContext.EmbyShows
+                .Filter(s => s.LibraryPath.LibraryId == library.Id)
+                .Filter(s => s.Seasons.Count == 0)
+                .ToListAsync();
+            var ids = shows.Map(s => s.Id).ToList();
+            dbContext.Shows.RemoveRange(shows);
+            await dbContext.SaveChangesAsync();
+            return ids;
+        }
+    }
+}

ErsatzTV.Infrastructure/Data/Repositories/MediaSourceRepository.cs

@@ -260,6 +260,33 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
             return Unit.Default;
         }
 
+        public async Task<Unit> UpdateLibraries(
+            int embyMediaSourceId,
+            List<EmbyLibrary> toAdd,
+            List<EmbyLibrary> toDelete)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+
+            foreach (EmbyLibrary add in toAdd)
+            {
+                add.MediaSourceId = embyMediaSourceId;
+                dbContext.Entry(add).State = EntityState.Added;
+                foreach (LibraryPath path in add.Paths)
+                {
+                    dbContext.Entry(path).State = EntityState.Added;
+                }
+            }
+
+            foreach (EmbyLibrary delete in toDelete)
+            {
+                dbContext.Entry(delete).State = EntityState.Deleted;
+            }
+
+            await dbContext.SaveChangesAsync();
+
+            return Unit.Default;
+        }
+
         public async Task<Unit> UpdatePathReplacements(
             int plexMediaSourceId,
             List<PlexPathReplacement> toAdd,
@@ -656,17 +683,294 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
             await using TvContext context = _dbContextFactory.CreateDbContext();
 
             List<JellyfinMediaSource> allMediaSources = await context.JellyfinMediaSources.ToListAsync();
+            var mediaSourceIds = allMediaSources.Map(ms => ms.Id).ToList();
             context.JellyfinMediaSources.RemoveRange(allMediaSources);
 
-            List<JellyfinLibrary> allJellyfinLibraries = await context.JellyfinLibraries.ToListAsync();
+            List<JellyfinLibrary> allJellyfinLibraries = await context.JellyfinLibraries
+                .Where(l => mediaSourceIds.Contains(l.MediaSourceId))
+                .ToListAsync();
+            var libraryIds = allJellyfinLibraries.Map(l => l.Id).ToList();
             context.JellyfinLibraries.RemoveRange(allJellyfinLibraries);
 
-            List<int> movieIds = await context.JellyfinMovies.Map(pm => pm.Id).ToListAsync();
-            List<int> showIds = await context.JellyfinShows.Map(ps => ps.Id).ToListAsync();
+            List<int> movieIds = await context.JellyfinMovies
+                .Where(m => libraryIds.Contains(m.LibraryPath.LibraryId))
+                .Map(pm => pm.Id)
+                .ToListAsync();
+
+            List<int> showIds = await context.JellyfinShows
+                .Where(m => libraryIds.Contains(m.LibraryPath.LibraryId))
+                .Map(ps => ps.Id)
+                .ToListAsync();
 
             await context.SaveChangesAsync();
 
             return movieIds.Append(showIds).ToList();
         }
+
+        public async Task<Unit> UpsertEmby(string address, string serverName, string operatingSystem)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            Option<EmbyMediaSource> maybeExisting = dbContext.EmbyMediaSources
+                .Include(ms => ms.Connections)
+                .OrderBy(ms => ms.Id)
+                .HeadOrNone();
+
+            return await maybeExisting.Match(
+                async embyMediaSource =>
+                {
+                    if (!embyMediaSource.Connections.Any())
+                    {
+                        embyMediaSource.Connections.Add(new EmbyConnection { Address = address });
+                    }
+                    else if (embyMediaSource.Connections.Head().Address != address)
+                    {
+                        embyMediaSource.Connections.Head().Address = address;
+                    }
+
+                    if (embyMediaSource.ServerName != serverName)
+                    {
+                        embyMediaSource.ServerName = serverName;
+                    }
+
+                    if (embyMediaSource.OperatingSystem != operatingSystem)
+                    {
+                        embyMediaSource.OperatingSystem = operatingSystem;
+                    }
+
+                    await dbContext.SaveChangesAsync();
+
+                    return Unit.Default;
+                },
+                async () =>
+                {
+                    var mediaSource = new EmbyMediaSource
+                    {
+                        ServerName = serverName,
+                        OperatingSystem = operatingSystem,
+                        Connections = new List<EmbyConnection>
+                        {
+                            new() { Address = address }
+                        },
+                        PathReplacements = new List<EmbyPathReplacement>()
+                    };
+
+                    await dbContext.AddAsync(mediaSource);
+                    await dbContext.SaveChangesAsync();
+
+                    return Unit.Default;
+                });
+        }
+
+        public Task<List<EmbyMediaSource>> GetAllEmby()
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyMediaSources
+                .Include(p => p.Connections)
+                .ToListAsync();
+        }
+
+        public Task<Option<EmbyMediaSource>> GetEmby(int id)
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyMediaSources
+                .Include(p => p.Connections)
+                .Include(p => p.Libraries)
+                .Include(p => p.PathReplacements)
+                .OrderBy(s => s.Id) // https://github.com/dotnet/efcore/issues/22579
+                .SingleOrDefaultAsync(p => p.Id == id)
+                .Map(Optional);
+        }
+
+        public async Task<Option<EmbyMediaSource>> GetEmbyByLibraryId(int embyLibraryId)
+        {
+            int? id = await _dbConnection.QuerySingleAsync<int?>(
+                @"SELECT L.MediaSourceId FROM Library L
+                INNER JOIN EmbyLibrary PL on L.Id = PL.Id
+                WHERE L.Id = @EmbyLibraryId",
+                new { EmbyLibraryId = embyLibraryId });
+
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            return await context.EmbyMediaSources
+                .Include(p => p.Connections)
+                .Include(p => p.Libraries)
+                .OrderBy(p => p.Id)
+                .SingleOrDefaultAsync(p => p.Id == id)
+                .Map(Optional);
+        }
+
+        public Task<Option<EmbyLibrary>> GetEmbyLibrary(int embyLibraryId)
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyLibraries
+                .Include(l => l.Paths)
+                .OrderBy(l => l.Id) // https://github.com/dotnet/efcore/issues/22579
+                .SingleOrDefaultAsync(l => l.Id == embyLibraryId)
+                .Map(Optional);
+        }
+
+        public Task<List<EmbyLibrary>> GetEmbyLibraries(int embyMediaSourceId)
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyLibraries
+                .Filter(l => l.MediaSourceId == embyMediaSourceId)
+                .ToListAsync();
+        }
+
+        public Task<List<EmbyPathReplacement>> GetEmbyPathReplacements(int embyMediaSourceId)
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyPathReplacements
+                .Filter(r => r.EmbyMediaSourceId == embyMediaSourceId)
+                .Include(jpr => jpr.EmbyMediaSource)
+                .ToListAsync();
+        }
+
+        public Task<List<EmbyPathReplacement>> GetEmbyPathReplacementsByLibraryId(int embyLibraryPathId)
+        {
+            using TvContext context = _dbContextFactory.CreateDbContext();
+            return context.EmbyPathReplacements
+                .FromSqlRaw(
+                    @"select epr.* from LibraryPath lp
+                    inner join EmbyLibrary el ON el.Id = lp.LibraryId
+                    inner join Library l ON l.Id = el.Id
+                    inner join EmbyPathReplacement epr on epr.EmbyMediaSourceId = l.MediaSourceId
+                    where lp.Id = {0}",
+                    embyLibraryPathId)
+                .Include(jpr => jpr.EmbyMediaSource)
+                .ToListAsync();
+        }
+
+        public async Task<Unit> UpdatePathReplacements(
+            int embyMediaSourceId,
+            List<EmbyPathReplacement> toAdd,
+            List<EmbyPathReplacement> toUpdate,
+            List<EmbyPathReplacement> toDelete)
+        {
+            foreach (EmbyPathReplacement add in toAdd)
+            {
+                await _dbConnection.ExecuteAsync(
+                    @"INSERT INTO EmbyPathReplacement
+                    (EmbyPath, LocalPath, EmbyMediaSourceId)
+                    VALUES (@EmbyPath, @LocalPath, @EmbyMediaSourceId)",
+                    new { add.EmbyPath, add.LocalPath, EmbyMediaSourceId = embyMediaSourceId });
+            }
+
+            foreach (EmbyPathReplacement update in toUpdate)
+            {
+                await _dbConnection.ExecuteAsync(
+                    @"UPDATE EmbyPathReplacement
+                    SET EmbyPath = @EmbyPath, LocalPath = @LocalPath
+                    WHERE Id = @Id",
+                    new { update.EmbyPath, update.LocalPath, update.Id });
+            }
+
+            foreach (EmbyPathReplacement delete in toDelete)
+            {
+                await _dbConnection.ExecuteAsync(
+                    @"DELETE FROM EmbyPathReplacement WHERE Id = @Id",
+                    new { delete.Id });
+            }
+
+            return Unit.Default;
+        }
+
+        public async Task<List<int>> DeleteAllEmby()
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+
+            List<EmbyMediaSource> allMediaSources = await context.EmbyMediaSources.ToListAsync();
+            var mediaSourceIds = allMediaSources.Map(ms => ms.Id).ToList();
+            context.EmbyMediaSources.RemoveRange(allMediaSources);
+
+            List<EmbyLibrary> allEmbyLibraries = await context.EmbyLibraries
+                .Where(l => mediaSourceIds.Contains(l.MediaSourceId))
+                .ToListAsync();
+            var libraryIds = allEmbyLibraries.Map(l => l.Id).ToList();
+            context.EmbyLibraries.RemoveRange(allEmbyLibraries);
+
+            List<int> movieIds = await context.EmbyMovies
+                .Where(m => libraryIds.Contains(m.LibraryPath.LibraryId))
+                .Map(pm => pm.Id)
+                .ToListAsync();
+
+            List<int> showIds = await context.EmbyShows
+                .Where(m => libraryIds.Contains(m.LibraryPath.LibraryId))
+                .Map(ps => ps.Id)
+                .ToListAsync();
+
+            await context.SaveChangesAsync();
+
+            return movieIds.Append(showIds).ToList();
+        }
+
+        public Task<Unit> EnableEmbyLibrarySync(IEnumerable<int> libraryIds) =>
+            _dbConnection.ExecuteAsync(
+                "UPDATE EmbyLibrary SET ShouldSyncItems = 1 WHERE Id IN @ids",
+                new { ids = libraryIds }).Map(_ => Unit.Default);
+
+        public async Task<List<int>> DisableEmbyLibrarySync(List<int> libraryIds)
+        {
+            await _dbConnection.ExecuteAsync(
+                "UPDATE EmbyLibrary SET ShouldSyncItems = 0 WHERE Id IN @ids",
+                new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                "UPDATE Library SET LastScan = null WHERE Id IN @ids",
+                new { ids = libraryIds });
+
+            List<int> movieIds = await _dbConnection.QueryAsync<int>(
+                @"SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyMovie pm ON pm.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids",
+                new { ids = libraryIds }).Map(result => result.ToList());
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyMovie pm ON pm.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyEpisode pe ON pe.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbySeason ps ON ps.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            List<int> showIds = await _dbConnection.QueryAsync<int>(
+                @"SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyShow ps ON ps.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids",
+                new { ids = libraryIds }).Map(result => result.ToList());
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN EmbyShow ps ON ps.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            return movieIds.Append(showIds).ToList();
+        }
     }
 }

ErsatzTV.Infrastructure/Data/Repositories/MovieRepository.cs

@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using Dapper;
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Interfaces.Repositories;
 using ErsatzTV.Core.Jellyfin;
 using ErsatzTV.Core.Metadata;
@@ -449,6 +450,207 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
             return maybeExisting;
         }
 
+        public Task<List<EmbyItemEtag>> GetExistingEmbyMovies(EmbyLibrary library) =>
+            _dbConnection.QueryAsync<EmbyItemEtag>(
+                    @"SELECT ItemId, Etag FROM EmbyMovie
+                      INNER JOIN Movie M on EmbyMovie.Id = M.Id
+                      INNER JOIN MediaItem MI on M.Id = MI.Id
+                      INNER JOIN LibraryPath LP on MI.LibraryPathId = LP.Id
+                      WHERE LP.LibraryId = @LibraryId",
+                    new { LibraryId = library.Id })
+                .Map(result => result.ToList());
+
+        public async Task<List<int>> RemoveMissingEmbyMovies(EmbyLibrary library, List<string> movieIds)
+        {
+            List<int> ids = await _dbConnection.QueryAsync<int>(
+                @"SELECT EmbyMovie.Id FROM EmbyMovie
+                  INNER JOIN Movie M on EmbyMovie.Id = M.Id
+                  INNER JOIN MediaItem MI on M.Id = MI.Id
+                  INNER JOIN LibraryPath LP on MI.LibraryPathId = LP.Id
+                  WHERE LP.LibraryId = @LibraryId AND ItemId IN @ItemIds",
+                new { LibraryId = library.Id, ItemIds = movieIds }).Map(result => result.ToList());
+
+            await _dbConnection.ExecuteAsync(
+                "DELETE FROM EmbyMovie WHERE Id IN @Ids",
+                new { Ids = ids });
+
+            return ids;
+        }
+
+        public async Task<bool> AddEmby(EmbyMovie movie)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            await dbContext.AddAsync(movie);
+            if (await dbContext.SaveChangesAsync() <= 0)
+            {
+                return false;
+            }
+
+            await dbContext.Entry(movie).Reference(m => m.LibraryPath).LoadAsync();
+            await dbContext.Entry(movie.LibraryPath).Reference(lp => lp.Library).LoadAsync();
+            return true;
+        }
+
+        public async Task<Option<EmbyMovie>> UpdateEmby(EmbyMovie movie)
+        {
+            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
+            Option<EmbyMovie> maybeExisting = await dbContext.EmbyMovies
+                .Include(m => m.LibraryPath)
+                .ThenInclude(lp => lp.Library)
+                .Include(m => m.MediaVersions)
+                .ThenInclude(mv => mv.MediaFiles)
+                .Include(m => m.MediaVersions)
+                .ThenInclude(mv => mv.Streams)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(mm => mm.Genres)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(mm => mm.Tags)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(mm => mm.Studios)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(mm => mm.Actors)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Filter(m => m.ItemId == movie.ItemId)
+                .OrderBy(m => m.ItemId)
+                .SingleOrDefaultAsync();
+
+            if (maybeExisting.IsSome)
+            {
+                EmbyMovie existing = maybeExisting.ValueUnsafe();
+
+                // library path is used for search indexing later
+                movie.LibraryPath = existing.LibraryPath;
+                movie.Id = existing.Id;
+
+                existing.Etag = movie.Etag;
+
+                // metadata
+                MovieMetadata metadata = existing.MovieMetadata.Head();
+                MovieMetadata incomingMetadata = movie.MovieMetadata.Head();
+                metadata.Title = incomingMetadata.Title;
+                metadata.SortTitle = incomingMetadata.SortTitle;
+                metadata.Plot = incomingMetadata.Plot;
+                metadata.Year = incomingMetadata.Year;
+                metadata.Tagline = incomingMetadata.Tagline;
+                metadata.DateAdded = incomingMetadata.DateAdded;
+                metadata.DateUpdated = DateTime.UtcNow;
+
+                // genres
+                foreach (Genre genre in metadata.Genres
+                    .Filter(g => incomingMetadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Genres.Remove(genre);
+                }
+
+                foreach (Genre genre in incomingMetadata.Genres
+                    .Filter(g => metadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Genres.Add(genre);
+                }
+
+                // tags
+                foreach (Tag tag in metadata.Tags
+                    .Filter(g => incomingMetadata.Tags.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Tags.Remove(tag);
+                }
+
+                foreach (Tag tag in incomingMetadata.Tags
+                    .Filter(g => metadata.Tags.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Tags.Add(tag);
+                }
+
+                // studios
+                foreach (Studio studio in metadata.Studios
+                    .Filter(g => incomingMetadata.Studios.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Studios.Remove(studio);
+                }
+
+                foreach (Studio studio in incomingMetadata.Studios
+                    .Filter(g => metadata.Studios.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    metadata.Studios.Add(studio);
+                }
+
+                // actors
+                foreach (Actor actor in metadata.Actors
+                    .Filter(
+                        a => incomingMetadata.Actors.All(
+                            a2 => a2.Name != a.Name || a.Artwork == null && a2.Artwork != null))
+                    .ToList())
+                {
+                    metadata.Actors.Remove(actor);
+                }
+
+                foreach (Actor actor in incomingMetadata.Actors
+                    .Filter(a => metadata.Actors.All(a2 => a2.Name != a.Name))
+                    .ToList())
+                {
+                    metadata.Actors.Add(actor);
+                }
+
+                metadata.ReleaseDate = incomingMetadata.ReleaseDate;
+
+                // poster
+                Artwork incomingPoster =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                if (incomingPoster != null)
+                {
+                    Artwork poster = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Poster);
+                    if (poster == null)
+                    {
+                        poster = new Artwork { ArtworkKind = ArtworkKind.Poster };
+                        metadata.Artwork.Add(poster);
+                    }
+
+                    poster.Path = incomingPoster.Path;
+                    poster.DateAdded = incomingPoster.DateAdded;
+                    poster.DateUpdated = incomingPoster.DateUpdated;
+                }
+
+                // fan art
+                Artwork incomingFanArt =
+                    incomingMetadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                if (incomingFanArt != null)
+                {
+                    Artwork fanArt = metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.FanArt);
+                    if (fanArt == null)
+                    {
+                        fanArt = new Artwork { ArtworkKind = ArtworkKind.FanArt };
+                        metadata.Artwork.Add(fanArt);
+                    }
+
+                    fanArt.Path = incomingFanArt.Path;
+                    fanArt.DateAdded = incomingFanArt.DateAdded;
+                    fanArt.DateUpdated = incomingFanArt.DateUpdated;
+                }
+
+                // version
+                MediaVersion version = existing.MediaVersions.Head();
+                MediaVersion incomingVersion = movie.MediaVersions.Head();
+                version.Name = incomingVersion.Name;
+                version.DateAdded = incomingVersion.DateAdded;
+
+                // media file
+                MediaFile file = version.MediaFiles.Head();
+                MediaFile incomingFile = incomingVersion.MediaFiles.Head();
+                file.Path = incomingFile.Path;
+            }
+
+            await dbContext.SaveChangesAsync();
+
+            return maybeExisting;
+        }
+
         private static async Task<Either<BaseError, MediaItemScanResult<Movie>>> AddMovie(
             TvContext dbContext,
             int libraryPathId,

ErsatzTV.Infrastructure/Data/TvContext.cs

@@ -18,14 +18,17 @@ namespace ErsatzTV.Infrastructure.Data
         public DbSet<LocalMediaSource> LocalMediaSources { get; set; }
         public DbSet<PlexMediaSource> PlexMediaSources { get; set; }
         public DbSet<JellyfinMediaSource> JellyfinMediaSources { get; set; }
+        public DbSet<EmbyMediaSource> EmbyMediaSources { get; set; }
         public DbSet<Library> Libraries { get; set; }
         public DbSet<LocalLibrary> LocalLibraries { get; set; }
         public DbSet<LibraryPath> LibraryPaths { get; set; }
         public DbSet<LibraryFolder> LibraryFolders { get; set; }
         public DbSet<PlexLibrary> PlexLibraries { get; set; }
         public DbSet<JellyfinLibrary> JellyfinLibraries { get; set; }
+        public DbSet<EmbyLibrary> EmbyLibraries { get; set; }
         public DbSet<PlexPathReplacement> PlexPathReplacements { get; set; }
         public DbSet<JellyfinPathReplacement> JellyfinPathReplacements { get; set; }
+        public DbSet<EmbyPathReplacement> EmbyPathReplacements { get; set; }
         public DbSet<MediaItem> MediaItems { get; set; }
         public DbSet<MediaVersion> MediaVersions { get; set; }
         public DbSet<MediaFile> MediaFiles { get; set; }
@@ -48,6 +51,10 @@ namespace ErsatzTV.Infrastructure.Data
         public DbSet<JellyfinShow> JellyfinShows { get; set; }
         public DbSet<JellyfinSeason> JellyfinSeasons { get; set; }
         public DbSet<JellyfinEpisode> JellyfinEpisodes { get; set; }
+        public DbSet<EmbyMovie> EmbyMovies { get; set; }
+        public DbSet<EmbyShow> EmbyShows { get; set; }
+        public DbSet<EmbySeason> EmbySeasons { get; set; }
+        public DbSet<EmbyEpisode> EmbyEpisodes { get; set; }
         public DbSet<Collection> Collections { get; set; }
         public DbSet<CollectionItem> CollectionItems { get; set; }
         public DbSet<ProgramSchedule> ProgramSchedules { get; set; }

ErsatzTV.Infrastructure/Emby/EmbyApiClient.cs

@@ -0,0 +1,521 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.Infrastructure.Emby.Models;
+using LanguageExt;
+using Microsoft.Extensions.Logging;
+using Refit;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Infrastructure.Emby
+{
+    public class EmbyApiClient : IEmbyApiClient
+    {
+        private readonly IFallbackMetadataProvider _fallbackMetadataProvider;
+        private readonly ILogger<EmbyApiClient> _logger;
+
+        public EmbyApiClient(IFallbackMetadataProvider fallbackMetadataProvider, ILogger<EmbyApiClient> logger)
+        {
+            _fallbackMetadataProvider = fallbackMetadataProvider;
+            _logger = logger;
+        }
+
+        public async Task<Either<BaseError, EmbyServerInformation>> GetServerInformation(
+            string address,
+            string apiKey)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                var cts = new CancellationTokenSource();
+                cts.CancelAfter(TimeSpan.FromSeconds(5));
+                return await service.GetSystemInformation(apiKey, cts.Token)
+                    .Map(response => new EmbyServerInformation(response.ServerName, response.OperatingSystem));
+            }
+            catch (OperationCanceledException ex)
+            {
+                _logger.LogError(ex, "Timeout getting emby server name");
+                return BaseError.New("Emby did not respond in time");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby server name");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<EmbyLibrary>>> GetLibraries(string address, string apiKey)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                List<EmbyLibraryResponse> libraries = await service.GetLibraries(apiKey);
+                return libraries
+                    .Map(Project)
+                    .Somes()
+                    .ToList();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby libraries");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<EmbyMovie>>> GetMovieLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string libraryId)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                EmbyLibraryItemsResponse items = await service.GetMovieLibraryItems(apiKey, libraryId);
+                return items.Items
+                    .Map(ProjectToMovie)
+                    .Somes()
+                    .ToList();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby movie library items");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<EmbyShow>>> GetShowLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string libraryId)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                EmbyLibraryItemsResponse items = await service.GetShowLibraryItems(apiKey, libraryId);
+                return items.Items
+                    .Map(ProjectToShow)
+                    .Somes()
+                    .ToList();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby show library items");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<EmbySeason>>> GetSeasonLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string showId)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                EmbyLibraryItemsResponse items = await service.GetSeasonLibraryItems(apiKey, showId);
+                return items.Items
+                    .Map(ProjectToSeason)
+                    .Somes()
+                    .ToList();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby show library items");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<EmbyEpisode>>> GetEpisodeLibraryItems(
+            string address,
+            string apiKey,
+            int mediaSourceId,
+            string seasonId)
+        {
+            try
+            {
+                IEmbyApi service = RestService.For<IEmbyApi>(address);
+                EmbyLibraryItemsResponse items = await service.GetEpisodeLibraryItems(apiKey, seasonId);
+                return items.Items
+                    .Map(ProjectToEpisode)
+                    .Somes()
+                    .ToList();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error getting emby episode library items");
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        private static Option<EmbyLibrary> Project(EmbyLibraryResponse response) =>
+            response.CollectionType?.ToLowerInvariant() switch
+            {
+                "tvshows" => new EmbyLibrary
+                {
+                    ItemId = response.ItemId,
+                    Name = response.Name,
+                    MediaKind = LibraryMediaKind.Shows,
+                    ShouldSyncItems = false,
+                    Paths = new List<LibraryPath> { new() { Path = $"emby://{response.ItemId}" } }
+                },
+                "movies" => new EmbyLibrary
+                {
+                    ItemId = response.ItemId,
+                    Name = response.Name,
+                    MediaKind = LibraryMediaKind.Movies,
+                    ShouldSyncItems = false,
+                    Paths = new List<LibraryPath> { new() { Path = $"emby://{response.ItemId}" } }
+                },
+                // TODO: ??? for music libraries
+                _ => None
+            };
+
+        private Option<EmbyMovie> ProjectToMovie(EmbyLibraryItemResponse item)
+        {
+            try
+            {
+                if (item.MediaSources.Any(ms => ms.Protocol != "File"))
+                {
+                    return None;
+                }
+
+                var version = new MediaVersion
+                {
+                    Name = "Main",
+                    Duration = TimeSpan.FromTicks(item.RunTimeTicks),
+                    DateAdded = item.DateCreated.UtcDateTime,
+                    MediaFiles = new List<MediaFile>
+                    {
+                        new()
+                        {
+                            Path = item.Path
+                        }
+                    },
+                    Streams = new List<MediaStream>()
+                };
+
+                MovieMetadata metadata = ProjectToMovieMetadata(item);
+
+                var movie = new EmbyMovie
+                {
+                    ItemId = item.Id,
+                    Etag = item.Etag,
+                    MediaVersions = new List<MediaVersion> { version },
+                    MovieMetadata = new List<MovieMetadata> { metadata }
+                };
+
+                return movie;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Error projecting Emby movie");
+                return None;
+            }
+        }
+
+        private MovieMetadata ProjectToMovieMetadata(EmbyLibraryItemResponse item)
+        {
+            DateTime dateAdded = item.DateCreated.UtcDateTime;
+            // DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(item.UpdatedAt).DateTime;
+
+            var metadata = new MovieMetadata
+            {
+                Title = item.Name,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(item.Name),
+                Plot = item.Overview,
+                Year = item.ProductionYear,
+                Tagline = Optional(item.Taglines).Flatten().HeadOrNone().IfNone(string.Empty),
+                DateAdded = dateAdded,
+                Genres = Optional(item.Genres).Flatten().Map(g => new Genre { Name = g }).ToList(),
+                Tags = Optional(item.Tags).Flatten().Map(t => new Tag { Name = t }).ToList(),
+                Studios = Optional(item.Studios).Flatten().Map(s => new Studio { Name = s.Name }).ToList(),
+                Actors = Optional(item.People).Flatten().Map(r => ProjectToModel(r, dateAdded)).ToList(),
+                Artwork = new List<Artwork>()
+            };
+
+            // set order on actors
+            for (var i = 0; i < metadata.Actors.Count; i++)
+            {
+                metadata.Actors[i].Order = i;
+            }
+
+            if (DateTime.TryParse(item.PremiereDate, out DateTime releaseDate))
+            {
+                metadata.ReleaseDate = releaseDate;
+            }
+
+            if (!string.IsNullOrWhiteSpace(item.ImageTags.Primary))
+            {
+                var poster = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Poster,
+                    Path = $"emby://Items/{item.Id}/Images/Primary?tag={item.ImageTags.Primary}",
+                    DateAdded = dateAdded
+                };
+                metadata.Artwork.Add(poster);
+            }
+
+            if (item.BackdropImageTags.Any())
+            {
+                var fanArt = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.FanArt,
+                    Path = $"emby://Items/{item.Id}/Images/Backdrop?tag={item.BackdropImageTags.Head()}",
+                    DateAdded = dateAdded
+                };
+                metadata.Artwork.Add(fanArt);
+            }
+
+            return metadata;
+        }
+
+        private Actor ProjectToModel(EmbyPersonResponse person, DateTime dateAdded)
+        {
+            var actor = new Actor { Name = person.Name, Role = person.Role };
+            if (!string.IsNullOrWhiteSpace(person.Id) && !string.IsNullOrWhiteSpace(person.PrimaryImageTag))
+            {
+                actor.Artwork = new Artwork
+                {
+                    Path = $"emby://Items/{person.Id}/Images/Primary?tag={person.PrimaryImageTag}",
+                    ArtworkKind = ArtworkKind.Thumbnail,
+                    DateAdded = dateAdded
+                };
+            }
+
+            return actor;
+        }
+
+        private Option<EmbyShow> ProjectToShow(EmbyLibraryItemResponse item)
+        {
+            try
+            {
+                ShowMetadata metadata = ProjectToShowMetadata(item);
+
+                var show = new EmbyShow
+                {
+                    ItemId = item.Id,
+                    Etag = item.Etag,
+                    ShowMetadata = new List<ShowMetadata> { metadata }
+                };
+
+                return show;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Error projecting Emby show");
+                return None;
+            }
+        }
+
+        private ShowMetadata ProjectToShowMetadata(EmbyLibraryItemResponse item)
+        {
+            DateTime dateAdded = item.DateCreated.UtcDateTime;
+            // DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(item.UpdatedAt).DateTime;
+
+            var metadata = new ShowMetadata
+            {
+                Title = item.Name,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(item.Name),
+                Plot = item.Overview,
+                Year = item.ProductionYear,
+                Tagline = Optional(item.Taglines).Flatten().HeadOrNone().IfNone(string.Empty),
+                DateAdded = dateAdded,
+                Genres = Optional(item.Genres).Flatten().Map(g => new Genre { Name = g }).ToList(),
+                Tags = Optional(item.Tags).Flatten().Map(t => new Tag { Name = t }).ToList(),
+                Studios = Optional(item.Studios).Flatten().Map(s => new Studio { Name = s.Name }).ToList(),
+                Actors = Optional(item.People).Flatten().Map(r => ProjectToModel(r, dateAdded)).ToList(),
+                Artwork = new List<Artwork>()
+            };
+
+            // set order on actors
+            for (var i = 0; i < metadata.Actors.Count; i++)
+            {
+                metadata.Actors[i].Order = i;
+            }
+
+            if (DateTime.TryParse(item.PremiereDate, out DateTime releaseDate))
+            {
+                metadata.ReleaseDate = releaseDate;
+            }
+
+            if (!string.IsNullOrWhiteSpace(item.ImageTags.Primary))
+            {
+                var poster = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Poster,
+                    Path = $"emby://Items/{item.Id}/Images/Primary?tag={item.ImageTags.Primary}",
+                    DateAdded = dateAdded
+                };
+                metadata.Artwork.Add(poster);
+            }
+
+            if (item.BackdropImageTags.Any())
+            {
+                var fanArt = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.FanArt,
+                    Path = $"emby://Items/{item.Id}/Images/Backdrop?tag={item.BackdropImageTags.Head()}",
+                    DateAdded = dateAdded
+                };
+                metadata.Artwork.Add(fanArt);
+            }
+
+            return metadata;
+        }
+
+        private Option<EmbySeason> ProjectToSeason(EmbyLibraryItemResponse item)
+        {
+            try
+            {
+                DateTime dateAdded = item.DateCreated.UtcDateTime;
+                // DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(response.UpdatedAt).DateTime;
+
+                var metadata = new SeasonMetadata
+                {
+                    Title = item.Name,
+                    SortTitle = _fallbackMetadataProvider.GetSortTitle(item.Name),
+                    Year = item.ProductionYear,
+                    DateAdded = dateAdded,
+                    Artwork = new List<Artwork>()
+                };
+
+                if (!string.IsNullOrWhiteSpace(item.ImageTags.Primary))
+                {
+                    var poster = new Artwork
+                    {
+                        ArtworkKind = ArtworkKind.Poster,
+                        Path = $"emby://Items/{item.Id}/Images/Primary?tag={item.ImageTags.Primary}",
+                        DateAdded = dateAdded
+                    };
+                    metadata.Artwork.Add(poster);
+                }
+
+                if (item.BackdropImageTags.Any())
+                {
+                    var fanArt = new Artwork
+                    {
+                        ArtworkKind = ArtworkKind.FanArt,
+                        Path = $"emby://Items/{item.Id}/Images/Backdrop?tag={item.BackdropImageTags.Head()}",
+                        DateAdded = dateAdded
+                    };
+                    metadata.Artwork.Add(fanArt);
+                }
+
+                var season = new EmbySeason
+                {
+                    ItemId = item.Id,
+                    Etag = item.Etag,
+                    SeasonMetadata = new List<SeasonMetadata> { metadata }
+                };
+
+                if (item.IndexNumber.HasValue)
+                {
+                    season.SeasonNumber = item.IndexNumber.Value;
+                }
+
+                return season;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Error projecting Emby show");
+                return None;
+            }
+        }
+
+        private Option<EmbyEpisode> ProjectToEpisode(EmbyLibraryItemResponse item)
+        {
+            try
+            {
+                if (item.LocationType == "Virtual")
+                {
+                    return None;
+                }
+
+                var version = new MediaVersion
+                {
+                    Name = "Main",
+                    Duration = TimeSpan.FromTicks(item.RunTimeTicks),
+                    DateAdded = item.DateCreated.UtcDateTime,
+                    MediaFiles = new List<MediaFile>
+                    {
+                        new()
+                        {
+                            Path = item.Path
+                        }
+                    },
+                    Streams = new List<MediaStream>()
+                };
+
+                EpisodeMetadata metadata = ProjectToEpisodeMetadata(item);
+
+                var episode = new EmbyEpisode
+                {
+                    ItemId = item.Id,
+                    Etag = item.Etag,
+                    MediaVersions = new List<MediaVersion> { version },
+                    EpisodeMetadata = new List<EpisodeMetadata> { metadata }
+                };
+
+                if (item.IndexNumber.HasValue)
+                {
+                    episode.EpisodeNumber = item.IndexNumber.Value;
+                }
+
+                return episode;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Error projecting Emby movie");
+                return None;
+            }
+        }
+
+        private EpisodeMetadata ProjectToEpisodeMetadata(EmbyLibraryItemResponse item)
+        {
+            DateTime dateAdded = item.DateCreated.UtcDateTime;
+            // DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(item.UpdatedAt).DateTime;
+
+            var metadata = new EpisodeMetadata
+            {
+                Title = item.Name,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(item.Name),
+                Plot = item.Overview,
+                Year = item.ProductionYear,
+                DateAdded = dateAdded,
+                Genres = new List<Genre>(),
+                Tags = new List<Tag>(),
+                Studios = new List<Studio>(),
+                Actors = new List<Actor>(),
+                Artwork = new List<Artwork>()
+            };
+
+            if (DateTime.TryParse(item.PremiereDate, out DateTime releaseDate))
+            {
+                metadata.ReleaseDate = releaseDate;
+            }
+
+            if (!string.IsNullOrWhiteSpace(item.ImageTags.Primary))
+            {
+                var thumbnail = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Thumbnail,
+                    Path = $"emby://Items/{item.Id}/Images/Primary?tag={item.ImageTags.Primary}",
+                    DateAdded = dateAdded
+                };
+                metadata.Artwork.Add(thumbnail);
+            }
+
+            return metadata;
+        }
+    }
+}

ErsatzTV.Infrastructure/Emby/EmbySecretStore.cs

@@ -0,0 +1,26 @@
+using System.IO;
+using System.Threading.Tasks;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Emby;
+using ErsatzTV.Core.Interfaces.Emby;
+using LanguageExt;
+using Newtonsoft.Json;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Infrastructure.Emby
+{
+    public class EmbySecretStore : IEmbySecretStore
+    {
+        public Task<Unit> DeleteAll() => SaveSecrets(new EmbySecrets());
+
+        public Task<EmbySecrets> ReadSecrets() =>
+            File.ReadAllTextAsync(FileSystemLayout.EmbySecretsPath)
+                .Map(JsonConvert.DeserializeObject<EmbySecrets>)
+                .Map(s => Optional(s).IfNone(new EmbySecrets()));
+
+        public Task<Unit> SaveSecrets(EmbySecrets embySecrets) =>
+            Some(JsonConvert.SerializeObject(embySecrets)).Match(
+                s => File.WriteAllTextAsync(FileSystemLayout.EmbySecretsPath, s).ToUnit(),
+                Task.FromResult(Unit.Default));
+    }
+}

ErsatzTV.Infrastructure/Emby/IEmbyApi.cs

@@ -0,0 +1,69 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Infrastructure.Emby.Models;
+using Refit;
+
+namespace ErsatzTV.Infrastructure.Emby
+{
+    [Headers("Accept: application/json")]
+    public interface IEmbyApi
+    {
+        [Get("/System/Info")]
+        public Task<EmbySystemInformationResponse> GetSystemInformation(
+            [Header("X-Emby-Token")]
+            string apiKey,
+            CancellationToken cancellationToken);
+
+        [Get("/Library/VirtualFolders")]
+        public Task<List<EmbyLibraryResponse>> GetLibraries(
+            [Header("X-Emby-Token")]
+            string apiKey);
+
+        [Get("/Items")]
+        public Task<EmbyLibraryItemsResponse> GetMovieLibraryItems(
+            [Header("X-Emby-Token")]
+            string apiKey,
+            [Query]
+            string parentId,
+            [Query]
+            string fields =
+                "Path,Genres,Tags,DateCreated,Etag,Overview,Taglines,Studios,People,ProductionYear,PremiereDate,MediaSources",
+            [Query]
+            string includeItemTypes = "Movie");
+
+        [Get("/Items")]
+        public Task<EmbyLibraryItemsResponse> GetShowLibraryItems(
+            [Header("X-Emby-Token")]
+            string apiKey,
+            [Query]
+            string parentId,
+            [Query]
+            string fields =
+                "Path,Genres,Tags,DateCreated,Etag,Overview,Taglines,Studios,People,ProductionYear,PremiereDate,MediaSources",
+            [Query]
+            string includeItemTypes = "Series");
+
+        [Get("/Items")]
+        public Task<EmbyLibraryItemsResponse> GetSeasonLibraryItems(
+            [Header("X-Emby-Token")]
+            string apiKey,
+            [Query]
+            string parentId,
+            [Query]
+            string fields = "Path,DateCreated,Etag,Taglines",
+            [Query]
+            string includeItemTypes = "Season");
+
+        [Get("/Items")]
+        public Task<EmbyLibraryItemsResponse> GetEpisodeLibraryItems(
+            [Header("X-Emby-Token")]
+            string apiKey,
+            [Query]
+            string parentId,
+            [Query]
+            string fields = "Path,DateCreated,Etag,Overview,ProductionYear,PremiereDate,MediaSources,LocationType",
+            [Query]
+            string includeItemTypes = "Episode");
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyImageTagsResponse.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyImageTagsResponse
+    {
+        public string Primary { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyLibraryItemResponse.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyLibraryItemResponse
+    {
+        public string Name { get; set; }
+        public string Id { get; set; }
+        public string Etag { get; set; }
+        public string Path { get; set; }
+        public DateTimeOffset DateCreated { get; set; }
+        public long RunTimeTicks { get; set; }
+        public List<string> Genres { get; set; }
+        public List<string> Tags { get; set; }
+        public int ProductionYear { get; set; }
+        public string PremiereDate { get; set; }
+        public List<EmbyMediaStreamResponse> MediaStreams { get; set; }
+        public List<EmbyMediaSourceResponse> MediaSources { get; set; }
+        public string LocationType { get; set; }
+        public string Overview { get; set; }
+        public List<string> Taglines { get; set; }
+        public List<EmbyStudioResponse> Studios { get; set; }
+        public List<EmbyPersonResponse> People { get; set; }
+        public EmbyImageTagsResponse ImageTags { get; set; }
+        public List<string> BackdropImageTags { get; set; }
+        public int? IndexNumber { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyLibraryItemsResponse.cs

@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyLibraryItemsResponse
+    {
+        public List<EmbyLibraryItemResponse> Items { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyLibraryResponse.cs

@@ -0,0 +1,9 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyLibraryResponse
+    {
+        public string Name { get; set; }
+        public string CollectionType { get; set; }
+        public string ItemId { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyMediaSourceResponse.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyMediaSourceResponse
+    {
+        public string Id { get; set; }
+        public string Protocol { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyMediaStreamResponse.cs

@@ -0,0 +1,18 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyMediaStreamResponse
+    {
+        public string Type { get; set; }
+        public string Codec { get; set; }
+        public string Language { get; set; }
+        public bool? IsInterlaced { get; set; }
+        public int? Height { get; set; }
+        public int? Width { get; set; }
+        public int Index { get; set; }
+        public bool IsDefault { get; set; }
+        public bool IsForced { get; set; }
+        public string Profile { get; set; }
+        public string AspectRatio { get; set; }
+        public int? Channels { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyPersonResponse.cs

@@ -0,0 +1,11 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyPersonResponse
+    {
+        public string Name { get; set; }
+        public string Id { get; set; }
+        public string Role { get; set; }
+        public string Type { get; set; }
+        public string PrimaryImageTag { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbyStudioResponse.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbyStudioResponse
+    {
+        public string Name { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Emby/Models/EmbySystemInformationResponse.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Infrastructure.Emby.Models
+{
+    public class EmbySystemInformationResponse
+    {
+        public string ServerName { get; set; }
+        public string OperatingSystem { get; set; }
+    }
+}

ErsatzTV.Infrastructure/Jellyfin/IJellyfinApi.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Infrastructure.Jellyfin.Models;
 using Refit;
@@ -11,7 +12,8 @@ namespace ErsatzTV.Infrastructure.Jellyfin
         [Get("/System/Info")]
         public Task<JellyfinSystemInformationResponse> GetSystemInformation(
             [Header("X-Emby-Token")]
-            string apiKey);
+            string apiKey,
+            CancellationToken cancellationToken);
 
         [Get("/Users")]
         public Task<List<JellyfinUserResponse>> GetUsers(

ErsatzTV.Infrastructure/Jellyfin/JellyfinApiClient.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
@@ -39,9 +40,16 @@ namespace ErsatzTV.Infrastructure.Jellyfin
             try
             {
                 IJellyfinApi service = RestService.For<IJellyfinApi>(address);
-                return await service.GetSystemInformation(apiKey)
+                var cts = new CancellationTokenSource();
+                cts.CancelAfter(TimeSpan.FromSeconds(5));
+                return await service.GetSystemInformation(apiKey, cts.Token)
                     .Map(response => new JellyfinServerInformation(response.ServerName, response.OperatingSystem));
             }
+            catch (OperationCanceledException ex)
+            {
+                _logger.LogError(ex, "Timeout getting jellyfin server name");
+                return BaseError.New("Jellyfin did not respond in time");
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error getting jellyfin server name");