using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace M065.Config
{
    public partial class AdvancedPwdFrm : Form
    {
        string pwd = "";

        string PWD
        {
            get
            {
                if (string.IsNullOrWhiteSpace(pwd))
                {
                    var pwdSetting = ConfigurationManager.AppSettings["Pwd"];

                    if (!string.IsNullOrWhiteSpace(pwdSetting))
                    {
                        pwd = pwdSetting.ToString();
                    }
                    else
                    {
                        pwd = "p@ssw0rd";
                    }
                }

                return pwd;
            }
        }

        public AdvancedPwdFrm()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            CheckInputPassword();
        }

        private void CheckInputPassword()
        {
            string input = txtPwd.Text.Trim();

            if (string.IsNullOrWhiteSpace(input))
            {
                MessageBox.Show("Please input password");
                return;
            }

            if (input == PWD)
            {
                this.DialogResult = DialogResult.OK;
            }
            else
            {
                MessageBox.Show("Wrong Password");
                this.DialogResult = DialogResult.Cancel;
            }
        }

        private void txtPwd_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                CheckInputPassword();
            }
        }
    }
}