using AutoMapper;
using FastEndpoints;
using MetaCourse.Api.Data;
using MetaCourse.Api.DTOs.UserCourses;
using Microsoft.EntityFrameworkCore;

namespace MetaCourse.Api.Endpoints.UserCourses;

public class GetUserEnrollmentsRequest
{
    public Guid UserId { get; set; }
}

public class GetUserEnrollmentsEndpoint(AppDbContext db, AutoMapper.IMapper mapper)
    : Endpoint<GetUserEnrollmentsRequest, List<GetEnrollmentDto>>
{
    public override void Configure()
    {
        Get("api/users/{userId}/enrollments");
        AllowAnonymous();
        Summary(s => s.Summary = "Liste les cours auxquels un utilisateur est inscrit");
    }

    public override async Task HandleAsync(GetUserEnrollmentsRequest req, CancellationToken ct)
    {
        var enrollments = await db.UserCourses
            .AsNoTracking()
            .Include(uc => uc.Course)
            .Where(uc => uc.UserId == req.UserId)
            .OrderByDescending(uc => uc.EnrolledAt)
            .ToListAsync(ct);

        await SendOkAsync(mapper.Map<List<GetEnrollmentDto>>(enrollments), ct);
    }
}