using System.Collections.Generic;
using System.Threading.Tasks;
using API.Data;
using API.Data.ManualMigrations;
using API.DTOs;
using API.DTOs.Progress;
using API.Entities;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;

namespace API.Controllers;

#nullable enable

public class AdminController : BaseApiController
{
    private readonly UserManager<AppUser> _userManager;
    private readonly IUnitOfWork _unitOfWork;

    public AdminController(UserManager<AppUser> userManager, IUnitOfWork unitOfWork)
    {
        _userManager = userManager;
        _unitOfWork = unitOfWork;
    }

    /// <summary>
    /// Checks if an admin exists on the system. This is essentially a check to validate if the system has been setup.
    /// </summary>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpGet("exists")]
    public async Task<ActionResult<bool>> AdminExists()
    {
        var users = await _userManager.GetUsersInRoleAsync("Admin");
        return users.Count > 0;
    }

    /// <summary>
    /// Set the progress information for a particular user
    /// </summary>
    /// <returns></returns>
    [Authorize("RequireAdminRole")]
    [HttpPost("update-chapter-progress")]
    public async Task<ActionResult<bool>> UpdateChapterProgress(UpdateUserProgressDto dto)
    {
        return Ok(await Task.FromResult(false));
    }
}