using Entities.Contracts;
using Entities.DTO;
using Microsoft.AspNetCore.Identity;
using SharedDATA.Api;
using TechHelper.Services;

namespace TechHelper.Server.Services
{
	/// <summary>
	/// 用户服务实现类
	/// 处理用户相关的业务逻辑操作
	/// </summary>
	public class UserServices : IUserSerivces
	{

		private readonly IUnitOfWork _unitOfWork;
		private readonly IClassService _classService;
		private readonly UserManager<User> _userManager;

		/// <summary>
		/// 初始化用户服务
		/// </summary>
		/// <param name="unitOfWork">工作单元实例</param>
		/// <param name="classService">班级服务实例</param>
		/// <param name="userManager">用户管理实例</param>
		public UserServices(IUnitOfWork unitOfWork, IClassService classService, UserManager<User> userManager)
		{
			_unitOfWork = unitOfWork;
			_classService = classService;
			_userManager = userManager;
		}

		/// <summary>
		/// 添加新用户
		/// </summary>
		/// <param name="model">用户实体对象</param>
		/// <returns>操作结果响应</returns>
		public Task<ApiResponse> AddAsync(User model)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 删除指定用户
		/// </summary>
		/// <param name="id">用户唯一标识符</param>
		/// <returns>操作结果响应</returns>
		public Task<ApiResponse> DeleteAsync(Guid id)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 获取所有用户列表
		/// </summary>
		/// <param name="query">查询参数对象</param>
		/// <returns>用户列表响应</returns>
		public Task<ApiResponse> GetAllAsync(QueryParameter query)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 获取指定用户信息
		/// </summary>
		/// <param name="id">用户唯一标识符</param>
		/// <returns>用户信息响应</returns>
		public Task<ApiResponse> GetAsync(Guid id)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 获取学生详细信息
		/// </summary>
		/// <param name="userId">用户唯一标识符</param>
		/// <returns>学生详细信息响应</returns>
		public Task<ApiResponse> GetStudentDetailInfo(Guid userId)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 恢复用户角色信息
		/// 根据用户所在班级信息恢复用户的角色权限
		/// </summary>
		/// <param name="user">用户实体对象</param>
		/// <returns>操作结果响应</returns>
		public async Task<ApiResponse> RestoreUserRoleInformation(User user)
		{
			var result = await _classService.GetUserClassRole(user.Id);
			if (result.Status)
			{
				var classRole = result.Result as UserClassRoleDto;
				if (classRole != null)
				{
					if (!await _userManager.IsInRoleAsync(user, classRole.Role))
					{
						await _userManager.AddToRoleAsync(user, classRole.Role);

						return ApiResponse.Success();
					}
				}
			}
			return ApiResponse.Error();
		}

		/// <summary>
		/// 更新用户信息
		/// </summary>
		/// <param name="model">用户实体对象</param>
		/// <returns>操作结果响应</returns>
		public Task<ApiResponse> UpdateAsync(User model)
		{
			throw new NotImplementedException();
		}

		/// <summary>
		/// 验证用户信息
		/// </summary>
		/// <param name="userId">用户唯一标识符</param>
		/// <returns>验证结果响应</returns>
		public Task<ApiResponse> VerifyUserInformation(Guid userId)
		{
			throw new NotImplementedException();
		}
	}
}
