using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Web;
using CP.Cache;
using CP.Common;
using CP.Model;
using System.Data;
using NIU.Core;

namespace CP.Business
{
    public class AdminUserBll
    {
        public static AdminUser GetBy(string userName, string pwd)
        {
            pwd = Encryption.MD5(pwd);
            var dc = new DataConnect();
            var model = dc.db.SingleOrDefault<AdminUser>($"where userName='{userName}' and pwd='{pwd}'");
            return model;
        }

        public static void PwdEdit(long id, string oldPwd, string pwd, string cfmPwd)
        {
            var dc = new DataConnect();
            var entity = dc.db.SingleOrDefault<AdminUser>(id);
            if (entity == null)
                throw new OperationExceptionFacade("操作失败：数据不存在");
            if (pwd.Length < 6)
                throw new OperationExceptionFacade("操作失败：密码至少由6个字符组成");
            if (cfmPwd != pwd)
                throw new OperationExceptionFacade("操作失败：两次输入的密码不相同");
            if (entity.Pwd != Encryption.MD5(oldPwd))
                throw new OperationExceptionFacade("操作失败：原密码错误");
            entity.Pwd = Encryption.MD5(pwd);
            if (dc.db.Update(entity) <= 0)
                throw new OperationExceptionFacade("操作失败");
        }
    }
}