using Mediator;
using Musify.Api.Authentication;
using Musify.Api.Extensions;
using Musify.Application.Mixes;
using Musify.Application.Mixes.Responses;

namespace Musify.Api.Endpoints
{
    public static class MixEndpoints
    {
        public static IEndpointRouteBuilder MapMixEndpoints(this IEndpointRouteBuilder app)
        {
            var group = app.MapGroup("/mixes")
                .WithTags("Mixes")
                .RequireAuthorization();

            group.MapGet("/", GetMixes)
                .WithName("GetMixes")
                .WithSummary("Get the server-generated mixes of the current user")
                .Produces<IReadOnlyList<MixApplicationResponse>>()
                .Produces(StatusCodes.Status401Unauthorized);

            group.MapGet("/{id:guid}", GetMixById)
                .WithName("GetMixById")
                .WithSummary("Get a mix with all of its songs")
                .Produces<MixApplicationResponse>()
                .Produces(StatusCodes.Status401Unauthorized)
                .Produces(StatusCodes.Status404NotFound);

            return app;
        }

        private static async Task<IResult> GetMixes(
            IMediator mediator,
            CurrentUser currentUser,
            CancellationToken cancellationToken)
        {
            var result = await mediator.Send(new GetMixesByUserIdQuery(currentUser.RequiredId), cancellationToken);
            return Results.Ok(result);
        }

        private static async Task<IResult> GetMixById(
            IMediator mediator,
            CurrentUser currentUser,
            Guid id,
            CancellationToken cancellationToken)
        {
            var result = await mediator.Send(new GetMixByIdQuery(currentUser.RequiredId, id), cancellationToken);
            return result.ToHttpResult();
        }
    }
}