using System.Reflection;
using ErsatzTV.Application.MediaSources;
using ErsatzTV.Controllers.Api;
using ErsatzTV.Core.Api.MediaSources;
using ErsatzTV.Core.Domain;
using MediatR;
using Microsoft.AspNetCore.Mvc.Routing;
using NSubstitute;
using NUnit.Framework;
using Shouldly;

namespace ErsatzTV.Tests.Controllers;

[TestFixture]
public class MediaSourcesControllerTests
{
    private MediaSourcesController _controller = null!;
    private IMediator _mediator = null!;

    [SetUp]
    public void SetUp()
    {
        _mediator = Substitute.For<IMediator>();
        _controller = new MediaSourcesController(_mediator);
    }

    [Test]
    public void Controller_Should_Expose_Idiomatic_Rest_Route()
    {
        MethodInfo action = typeof(MediaSourcesController).GetMethod(nameof(MediaSourcesController.GetAll))
            ?? throw new AssertionException("Missing action GetAll");

        HttpMethodAttribute attribute = action.GetCustomAttributes<HttpMethodAttribute>(inherit: true).Single();
        attribute.HttpMethods.ShouldContain("GET");
        attribute.Template.ShouldBe("/api/v1/media-sources");
        attribute.Name.ShouldBe("GetMediaSources");
    }

    [Test]
    public void CollectionsScanStatus_Should_Expose_Idiomatic_Rest_Route()
    {
        MethodInfo action = typeof(MediaSourcesController)
                .GetMethod(nameof(MediaSourcesController.GetCollectionsScanStatus))
            ?? throw new AssertionException("Missing action GetCollectionsScanStatus");

        HttpMethodAttribute attribute = action.GetCustomAttributes<HttpMethodAttribute>(inherit: true).Single();
        attribute.HttpMethods.ShouldContain("GET");
        attribute.Template.ShouldBe("/api/v1/media-sources/collections-scan-status");
        attribute.Name.ShouldBe("GetCollectionsScanStatus");
    }

    [Test]
    public async Task GetCollectionsScanStatus_Should_Return_Results_From_Mediator()
    {
        var expected = new List<CollectionsScanStatusResponseModel> { new("plex"), new("emby") };

        _mediator.Send(Arg.Any<GetCollectionsScanStatus>(), Arg.Any<CancellationToken>())
            .Returns(expected);

        List<CollectionsScanStatusResponseModel> result =
            await _controller.GetCollectionsScanStatus(CancellationToken.None);

        result.ShouldBe(expected);
    }

    [Test]
    public async Task GetAll_Should_Return_Results_From_Mediator()
    {
        var expected = new List<MediaSourceResponseModel>
        {
            new(
                1,
                "Local",
                "Local",
                null,
                [new MediaSourceLibraryResponseModel(10, "Movies", LibraryMediaKind.Movies, null, 3)])
        };

        _mediator.Send(Arg.Any<GetAllMediaSourcesForApi>(), Arg.Any<CancellationToken>())
            .Returns(expected);

        List<MediaSourceResponseModel> result = await _controller.GetAll(CancellationToken.None);

        result.ShouldBe(expected);
    }
}