using ErsatzTV.Infrastructure.Data;
using Microsoft.EntityFrameworkCore;
using static ErsatzTV.Application.Filler.Mapper;

namespace ErsatzTV.Application.Filler;

public class GetAllFillerPresetsHandler : IRequestHandler<GetAllFillerPresets, List<FillerPresetViewModel>>
{
    private readonly IDbContextFactory<TvContext> _dbContextFactory;

    public GetAllFillerPresetsHandler(IDbContextFactory<TvContext> dbContextFactory) =>
        _dbContextFactory = dbContextFactory;

    public async Task<List<FillerPresetViewModel>> Handle(
        GetAllFillerPresets request,
        CancellationToken cancellationToken)
    {
        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
        return await dbContext.FillerPresets.ToListAsync(cancellationToken)
            .Map(presets => presets.Map(ProjectToViewModel).ToList());
    }
}