using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace OAM
{
    public partial class frmChangePWD : Form
    {
        public frmChangePWD()
        {
            InitializeComponent();
        }

        private void cmdOK_Click(object sender, EventArgs e)
        {
            if (txtOldPwd.Text.Length > 20 || txtNewPwd.Text.Length > 20 || txtCheckPwd.Text.Length > 20)
            {
                MessageBox.Show("密码长度太长，不能多于20位");
                return;
            }
            if(txtNewPwd.Text!=txtCheckPwd.Text)
            {
                MessageBox.Show("验证码和新密码不匹配");
                return;
            }
            if (CheckPassword(txtOldPwd.Text) == false)
            {
                MessageBox.Show("你的老密码不正确，请重新输入");
                return;
            }
            //if (UpdatePassword(txtOldPwd.Text, txtNewPwd.Text) == true)
            //{
            //    MessageBox.Show("密码已修改");
            //}
            DAL.ClsUser oUser = new DAL.ClsUser();
            oUser.UserCode = DBUtility.ClsPub.CurUserName;
            oUser.Psd = DBUtility.ClsPub.StrToPsd(txtNewPwd.Text.Trim());
            if (oUser.ChangePsd())
            {
                MessageBox.Show("修改完毕！", "提示");
                this.Close();
            }
            else
            {
                MessageBox.Show("修改失败！", "提示");
            }
        }
        public bool UpdatePassword(string OldPwd, string NewPwd)
        {
            SQLHelper.ClsCN oCn = new SQLHelper.ClsCN(); 
            oCn.RunProc("Update Gy_Czygl Set czmm='" + NewPwd + "' where czymc='" + DBUtility.ClsPub.CurUserName + "'");
            return true;
        }
        public bool CheckPassword(string OldPwd)
        {
            SQLHelper.ClsCN oCn = new SQLHelper.ClsCN();
            DataSet Ds;
            Ds = oCn.RunProcReturn("Select * from Gy_Czygl where czmm='" +DBUtility.ClsPub.StrToPsd(OldPwd) + "' and czymc='" + DBUtility.ClsPub.CurUserName + "'", "Gy_Czygl");
            if (Ds == null || Ds.Tables[0].Rows.Count == 0)
            {
                return false;
            }
            
            return true;
        }
        private void frmChangePWD_Load(object sender, EventArgs e)
        {
            txtCheckPwd.Text = "";
            txtNewPwd.Text = "";
            txtOldPwd.Text = "";
        }

        private void cmdCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}