using LiteCqrs;
using TeleWave.Api.Common;
using TeleWave.Application.Library;
using TeleWave.Application.Library.AddEpisode;
using TeleWave.Application.Library.CreateShow;
using TeleWave.Application.Library.DeleteShow;
using TeleWave.Application.Library.GetShow;
using TeleWave.Application.Library.ListShows;
using TeleWave.Application.Library.RemoveEpisode;
using TeleWave.Infrastructure.Identity;

namespace TeleWave.Api.Endpoints;

public static class ShowEndpoints
{
    public static IEndpointRouteBuilder MapShowEndpoints(this IEndpointRouteBuilder app)
    {
        var admin = app.MapGroup("/api/admin/shows")
            .WithTags("Admin.Shows")
            .RequireAuthorization(policy => policy.RequireRole(RoleNames.Admin));

        admin.MapPost("", CreateShow).Produces<CreatedIdResponse>(StatusCodes.Status201Created);
        admin.MapGet("", ListShows).Produces<IReadOnlyList<ShowSummaryDto>>();
        admin.MapGet("/{id:guid}", GetShow).Produces<ShowDto>();
        admin.MapDelete("/{id:guid}", DeleteShow).Produces(StatusCodes.Status204NoContent);
        admin
            .MapPost("/{id:guid}/episodes", AddEpisode)
            .Produces<CreatedIdResponse>(StatusCodes.Status201Created);
        admin
            .MapDelete("/{id:guid}/episodes/{episodeId:guid}", RemoveEpisode)
            .Produces(StatusCodes.Status204NoContent);

        return app;
    }

    private static async Task<IResult> CreateShow(
        CreateShowCommand command,
        ISender sender,
        CancellationToken cancellationToken
    )
    {
        var result = await sender.Send(command, cancellationToken);
        return result.IsSuccess
            ? Results.Created($"/api/admin/shows/{result.Value}", new CreatedIdResponse(result.Value))
            : result.ToHttpResult();
    }

    private static async Task<IResult> ListShows(ISender sender, CancellationToken cancellationToken)
    {
        var result = await sender.Send(new ListShowsQuery(), cancellationToken);
        return Results.Ok(result);
    }

    private static async Task<IResult> GetShow(
        Guid id,
        ISender sender,
        CancellationToken cancellationToken
    )
    {
        var result = await sender.Send(new GetShowQuery(id), cancellationToken);
        return result.ToHttpResult();
    }

    private static async Task<IResult> DeleteShow(
        Guid id,
        ISender sender,
        CancellationToken cancellationToken
    )
    {
        var result = await sender.Send(new DeleteShowCommand(id), cancellationToken);
        return result.ToHttpResult();
    }

    private static async Task<IResult> AddEpisode(
        Guid id,
        AddEpisodeBody body,
        ISender sender,
        CancellationToken cancellationToken
    )
    {
        var result = await sender.Send(new AddEpisodeCommand(id, body.MediaAssetId), cancellationToken);
        return result.IsSuccess
            ? Results.Created($"/api/admin/shows/{id}", new CreatedIdResponse(result.Value))
            : result.ToHttpResult();
    }

    private static async Task<IResult> RemoveEpisode(
        Guid id,
        Guid episodeId,
        ISender sender,
        CancellationToken cancellationToken
    )
    {
        var result = await sender.Send(new RemoveEpisodeCommand(id, episodeId), cancellationToken);
        return result.ToHttpResult();
    }
}

public sealed record AddEpisodeBody(Guid MediaAssetId);