using ErsatzTV.Application.Artists;
using ErsatzTV.Core.Api;
using ErsatzTV.Core.Api.Artists;
using ErsatzTV.Core.Domain;
using ErsatzTV.Extensions;
using MediatR;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace ErsatzTV.Controllers.Api;

[ApiController]
public class ArtistsController(IMediator mediator) : ControllerBase
{
    [HttpGet("/api/artists/{id:int}", Name = "GetArtistById")]
    [Tags("Artists")]
    [EndpointSummary("Get an artist by id")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(ArtistDetailResponseModel), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
    public async Task<IActionResult> GetById(int id, CancellationToken cancellationToken)
    {
        Option<ArtistViewModel> result = await mediator.Send(new GetArtistById(id), cancellationToken);
        return result.Map(vm => Project(id, vm)).ToGetResult();
    }

    private static ArtistDetailResponseModel Project(int id, ArtistViewModel vm) =>
        new(
            id,
            vm.Name,
            string.IsNullOrWhiteSpace(vm.Disambiguation) ? null : vm.Disambiguation,
            string.IsNullOrWhiteSpace(vm.Biography) ? null : vm.Biography,
            ApiArtwork.Root(vm.Thumbnail, ArtworkKind.Thumbnail),
            ApiArtwork.Root(vm.FanArt, ArtworkKind.FanArt),
            vm.Genres,
            vm.Styles,
            vm.Moods,
            vm.Languages.Map(c => c.EnglishName).ToList());
}