using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace LYFZ.WanYuKeFuData.DAL
{
    public class User : BaseDataOperate<LYFZ.WanYuKeFuData.Model.User>
    {
        public User(LYFZ.WanYuKeFuData.Model.DBConnection dbConn)
        {
            base.DBConn = dbConn;
        }
        /// <summary>
        /// 根据用户ID获取用户对象
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public LYFZ.WanYuKeFuData.Model.User GetUser(string userID)
        {
            if (!String.IsNullOrEmpty(userID))
            {
                return this.GetModel("UserID", userID);
            }
            else
            {
                return new Model.User();
            }
        }

        /// <summary>
        /// 验证用户基本信息
        /// </summary>
        /// <param name="userModel"></param>
        /// <param name="msg"></param>
        /// <returns></returns>
        public bool VerifyUserBaseInfo(LYFZ.WanYuKeFuData.Model.User userModel, ref string msg)
        {
            if (String.IsNullOrEmpty(userModel.UserID))
            {
                msg = "帐号不能为空";
                return false;
            }

            if (String.IsNullOrEmpty(userModel.Password))
            {
                msg = "帐号密码不能为空";
                return false;
            }
            if (!VerifyUserBaseInfo(userModel.UserID, ref msg))
            {
                return false;
            }
            
            return true;
        }
        /// <summary>
        /// 验证用户基本信息
        /// </summary>
        /// <param name="userModel"></param>
        /// <param name="msg"></param>
        /// <returns></returns>
        public bool VerifyUserBaseInfo(string userID, ref string msg)
        {
            if (userID.ToLower() == "admin")
            {
                msg = "“admin”管理员帐号为系统帐号不能修改和删除";
                return false;
            }
            return true;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="userID"></param>
        /// <param name="msg"></param>
        /// <returns></returns>
        public bool VerifyUserExists(string userID, ref string msg)
        {
            if (this.Exists("UserID", userID))
            {
                msg = "要添加的帐号“" + userID + "”已经存在，不能重复添加";
                return false;
            }
            return true;
        }

    }
}