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

namespace BeReadyBackend.Endpoints.Groups;

public class UserRoleRequest
{
    public int GroupId { get; set; }
    public int UserId { get; set; }
}

public class PatchGroupUserRoleEndpoint(UserGroupsRepository userGroupsRepository, UserService userService, GroupsRepository groupsRepository)
    : Endpoint<UserRoleRequest, GetGroupDetailsDto>
{
    public override void Configure()
    {
        Patch("/Groups/{@GroupId}/Users/{@UserId}/Role/", x => new { x.GroupId, x.UserId });
        Description(x => x.Accepts<UserRoleRequest>());
    }

    public override async Task HandleAsync(UserRoleRequest req, CancellationToken ct)
    {
        int userId = userService.GetUserIdFromToken();
        UserGroup? member = await userGroupsRepository.SingleOrDefaultAsync(new GetUserInGroupByIdsSpec(req.GroupId, req.UserId), ct);
        UserGroup? user = await userGroupsRepository.SingleOrDefaultAsync(new GetUserInGroupByIdsSpec(req.GroupId, userId), ct);

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

        if (user.Grade != "Admin")
        {
            await Send.StringAsync("Vous n'avez pas les droits pour changer le rôle de ce membre", 400, cancellation: ct);
            return;
        }

        member.Grade = "Admin";
        await userGroupsRepository.SaveChangesAsync(ct);
        await Send.OkAsync(await groupsRepository.ProjectToSingleAsync<GetGroupDetailsDto>(new GetGroupByIdSpec(req.GroupId), ct), ct);
    }
}