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;

namespace ErsatzTV.Application.Emby;

public class DisconnectEmbyHandler : 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);
        _searchIndex.Commit();
        await _embySecretStore.DeleteAll();
        _entityLocker.UnlockRemoteMediaSource<EmbyMediaSource>();

        return Unit.Default;
    }
}