using InSituLaboratory.Entities;
using InSituLaboratory.IService;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace InSituLaboratory.Service
{
    public class UserService : BaseService, IUserService
    {
        public UserService(DbContext context)
            : base(context)
        { }

        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public SysUser Login(string username, string password)
        {
            var users = this.Set<SysUser>()
                 .Include(u => u.Roles)
                 .Where(u => u.UserName == username && u.Password == password)
                 .ToList();
            return users.FirstOrDefault();
        }

        /// <summary>
        /// 新增用户检查用户名是否存在
        /// </summary>
        /// <param name="userName"></param>
        /// <returns></returns>
        public bool CheckUserName(string userName)
        {
            return this.Query<SysUser>(u => u.UserName == userName).Count() > 0;

        }


        /// <summary>
        /// 根据搜索关键词进行数据检索
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public IEnumerable<SysUser> GetUsers(string key)
        {
            // 需要将搜索关键词加入判断。。。。。。
            return this.Set<SysUser>()
                  .Include(r => r.Roles)
                  .Where(m =>

                        string.IsNullOrEmpty(key) ||

                        m.UserName.Contains(key) ||

                        m.RealName.Contains(key) ||

                        m.Address.Contains(key)
                    );
        }

    }
}