using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using UAS_MES_NEW.DataOperate;
using UAS_MES_NEW.Entity;
using UAS_MES_NEW.PublicMethod;

namespace UAS_MES_NEW.PublicForm
{
    public partial class ChangePwd : CustomControl.BaseForm.BaseForm
    {

        //所有用到了headBar的部分都需要这段代码
        [DllImport("user32.dll")]
        public static extern bool ReleaseCapture();

        [DllImport("user32.dll")]
        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

        [DllImport("user32.dll", EntryPoint = "GetWindowLong", CharSet = CharSet.Auto)]
        public static extern int GetWindowLong(HandleRef hWnd, int nIndex);

        [DllImport("user32.dll", EntryPoint = "SetWindowLong", CharSet = CharSet.Auto)]
        public static extern IntPtr SetWindowLong(HandleRef hWnd, int nIndex, int dwNewLong);

        public const int WM_SYSCOMMAND = 0x0112;
        public const int SC_MOVE = 0xF010;
        public const int HTCAPTION = 0x0002;

        DataHelper dh;
        string ErrorMessage;

        public ChangePwd()
        {
            InitializeComponent();

        }

        private void Confirm_Click(object sender, EventArgs e)
        {
            if (LogicHandler.CheckUserLogin(UserName.Text, pwd.Text,SystemInf.CurrentDB ,out ErrorMessage))
            {
                ErrorMessage = "";
                String[] password = new string[1];
                String[] username = new string[1];
                password[0] = newpwd.Text;
                username[0] = UserName.Text.ToUpper();
                string SQL1 = "update  employee set em_password = :passowrd where upper(em_code)= :emcode ";
                dh.BatchInsert(SQL1, new string[] { "passowrd", "emcode" }, password, username);
                MessageBox.Show("修改密码成功");
                Close();
            }
            else
            MessageBox.Show(ErrorMessage);     
        }

        private void ChangePwd_Load(object sender, EventArgs e)
        {
            dh = SystemInf.dh;
            UserName.Text = BaseUtil.GetCacheData("LastLoginUser").ToString();
            Confirm.Enabled = false;
  
        }

        private void checkpwd_TextChanged(object sender, EventArgs e)
        {
            if (!(checkpwd.Text != "" && checkpwd.Text == newpwd.Text))
            {
                Confirm.Enabled = false;
            }
            else {
                Confirm.Enabled = true;
            }
        }

        private void headBar1_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
        }
    }
}