using ErsatzTV.Application.Channels;
using ErsatzTV.Core;
using LanguageExt;
using ErsatzTV.Infrastructure.Data.Repositories;
using ErsatzTV.Tests.Support;
using NUnit.Framework;
using Shouldly;
using Testably.Abstractions.Testing;

namespace ErsatzTV.Tests.Integration;

/// <summary>
///     End-to-end create -> read (get-by-id) -> delete against the in-memory SQLite harness,
///     exercising the real EF Core handlers and repository.
/// </summary>
[TestFixture]
public class ChannelLifecycleIntegrationTests : ChannelHandlerTestBase
{
    [Test]
    public async Task Create_Then_Read_Then_Delete()
    {
        await SeedFFmpegProfile();

        var createHandler = new CreateChannelHandler(Worker, Db.Factory, SearchTargets, RemoteLogoCacher);
        Either<BaseError, CreateChannelResult> created =
            await createHandler.Handle(MakeCreate(number: "42", name: "Integration"), CancellationToken.None);

        int channelId = created.Match(Left: _ => throw new AssertionException("create failed"), Right: r => r.ChannelId);
        channelId.ShouldBeGreaterThan(0);

        var getHandler = new GetChannelByIdHandler(new ChannelRepository(Db.Factory));
        Option<ChannelViewModel> afterCreate =
            await getHandler.Handle(new GetChannelById(channelId), CancellationToken.None);
        afterCreate.IsSome.ShouldBeTrue();
        afterCreate.Match(
            Some: vm =>
            {
                vm.Number.ShouldBe("42");
                vm.Name.ShouldBe("Integration");
            },
            None: () => throw new AssertionException("expected channel to exist"));

        var deleteHandler = new DeleteChannelHandler(Worker, Db.Factory, new MockFileSystem(), SearchTargets);
        Either<BaseError, Unit> deleted =
            await deleteHandler.Handle(new DeleteChannel(channelId), CancellationToken.None);
        deleted.IsRight.ShouldBeTrue();

        Option<ChannelViewModel> afterDelete =
            await getHandler.Handle(new GetChannelById(channelId), CancellationToken.None);
        afterDelete.IsNone.ShouldBeTrue();
    }
}