using AutoMapper;
using Microsoft.Extensions.Caching.Memory;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UIStandardWebApi.Entity;
using UIStandardWebApi.EntityDto;
using UIStandardWebApi.EntityDto.User;
using UIStandardWebApi.IService;

namespace UIStandardWebApi.Service
{
    /// <summary>
    /// 用户管理服务层
    /// </summary>
    public class UserManagerService : BaseService, IUserManagerService
    {
        private readonly IMapper _IMapper;
        private readonly IMemoryCache _IMemoryCache;

        public UserManagerService(ISqlSugarClient client, IMapper mapper, IMemoryCache iMemoryCache) : base(client)
        {
            _IMapper = mapper;
            _IMemoryCache = iMemoryCache;
        }


        /// <summary>
        /// 登录成功查询到的用户信息
        /// </summary>
        /// <param name="userName"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public SysUserInfo? Login(string userName, string password)
        {
            string pwd = MD5Encrypt.Encrypt(password);

            List<Sys_User> userList = _Client
                  .Queryable<Sys_User>()
                  .Where(c => c.Name.Equals(userName) && c.Password.Equals(pwd))
                  .ToList();
            if (userList == null || userList.Count <= 0)
            {
                return null;
            }
            Sys_User user = userList.First();
            SysUserInfo userinfo = _IMapper.Map<Sys_User, SysUserInfo>(user);

            user.LastLoginTime = DateTime.Now;
            _Client.Updateable(user).ExecuteCommand();

            return userinfo;
        }


        /// <summary>
        /// 更新密码
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public async Task EditPassAsync(int userId, string password)
        {
            Sys_User user = base.Find<Sys_User>(userId);
            user.Password = MD5Encrypt.Encrypt(password);
            Update<Sys_User>(new List<Sys_User>() { user });
            await Task.CompletedTask;
        }

        /// <summary>
        /// 获取用户的分页列表
        /// </summary>
        /// <param name="pageindex"></param>
        /// <param name="pageSize"></param>
        /// <param name="searchaString"></param>
        /// <returns></returns>
        public async Task<PagingData<SysUserDTO>> GetUserPageAsync(int pageindex, int pageSize, string? searchaString = null)
        {
            int? status = 1;
            Expressionable<Sys_User> expressionable = new Expressionable<Sys_User>();
            expressionable.AndIF(!string.IsNullOrWhiteSpace(searchaString), u => u.Name.Contains(searchaString)).AndIF(status != null, it => it.Status == status);
            PagingData<Sys_User> paging = base.QueryPage<Sys_User>(expressionable.ToExpression(), pageSize, pageindex, c => c.CreateTime, false);
            PagingData<SysUserDTO> pagingData = _IMapper.Map<PagingData<Sys_User>, PagingData<SysUserDTO>>(paging);
            return await Task.FromResult(pagingData);
        }

    }
}