using BeReadyBackend.DTO.Users;
using BeReadyBackend.Models;
using BeReadyBackend.Repositories;
using BeReadyBackend.Services;
using BeReadyBackend.Specifications.Users;
using FastEndpoints;

namespace BeReadyBackend.Endpoints.Users;

public class UpdateUserEndpoint(UsersRepository usersRepository, UserService userService, AutoMapper.IMapper mapper) : Endpoint<UpdateUserDto>
{
    public override void Configure()
    {
        Put("/Users/");
        AllowAnonymous();
    }

    public override async Task HandleAsync(UpdateUserDto req, CancellationToken ct)
    {
        int userId = userService.GetUserIdFromToken();

        User? user = await usersRepository.FirstOrDefaultAsync(new GetUserByCriteriaSpec(req.Username!, req.Email!, userId), ct);

        if (user is not null)
        {
            await Send.StringAsync("Un utilisateur possède déjà ce pseudo ou cette email", 400, cancellation: ct);
            return;
        }

        user = await usersRepository.SingleOrDefaultAsync(new GetUserByIdSpec(userId), ct);

        if (user is null)
        {
            await Send.NotFoundAsync(ct);
            return;
        }

        mapper.Map(req, user);

        await usersRepository.SaveChangesAsync(ct);
        await Send.OkAsync(await usersRepository.ProjectToSingleAsync<GetUserDetailsDto>(new GetUserByIdSpec(userId), ct), ct);
    }
}