using formula_manage.UserClass;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace SUNLIGHT_CDKEY
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        int d, y, m;

        public MainWindow()
        {
            InitializeComponent();
            T_Y.Text = DateTime.Now.ToString("yyyy");
            T_M.Text = DateTime.Now.ToString("MM");
            T_D.Text = DateTime.Now.ToString("dd");
        }

        private void Tb_KeyFloating_D(object sender, TextCompositionEventArgs e)//输入事件
        {
            d = int.Parse(T_D.Text);
            //Regex re = new Regex("[^0-9.-]+");
            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
            e.Handled = !re.IsMatch(e.Text);
            if(d>30)T_D.Text = "30";
        }

        private void Tb_KeyFloating_Y(object sender, TextCompositionEventArgs e)//输入事件
        {
            y = int.Parse(T_Y.Text);
            //Regex re = new Regex("[^0-9.-]+");
            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
            e.Handled = !re.IsMatch(e.Text);
            if (y > 2099) T_Y.Text = "2099";
        }

        private void Tb_KeyFloating_M(object sender, TextCompositionEventArgs e)//输入事件
        {
            m = int.Parse(T_M.Text);
            //Regex re = new Regex("[^0-9.-]+");
            Regex re = new Regex(@"^[.][0-9]+$|^[0-9]*[.]{0,1}[0-9]*$");// 非负浮点数
            e.Handled = !re.IsMatch(e.Text);
            if (m > 12) T_M.Text = "12";
        }

        private void DURATION_DropDownClosed(object sender, EventArgs e)
        {
            T_Y.Text = DateTime.Now.ToString("yyyy");
            T_M.Text = DateTime.Now.ToString("MM");
            T_D.Text = DateTime.Now.ToString("dd");

            d = int.Parse(T_D.Text);
            y = int.Parse(T_Y.Text);
            m = int.Parse(T_M.Text);

            if (DURATION.Text == "1")
            {
                m += 1;
            }
            else if (DURATION.Text == "2") 
            {
                m += 2; 
            }
            else if (DURATION.Text == "3") 
            {
                m += 3;
            }
            else if (DURATION.Text == "6") 
            {
                m += 6;
            }
            else if (DURATION.Text == "12") 
            {
                y += 1;
            }
            else if (DURATION.Text == "FOREVER") 
            {
                y = 2099;
            }
            if (m > 12)
            {
                m = m-12;
                y += 1;
            }

            T_Y.Text=y.ToString();
            T_M.Text=m.ToString();
            T_D.Text=d.ToString();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            string a;
            string b, my, mm, md;

            if (sn_id.Text == "") return;

            a= sn_id.Text.Substring(0, 6);
       
            my = Convert.ToString(Convert.ToInt32(2255 - y), 16).ToUpper();
            mm = Convert.ToString(Convert.ToInt32(255 - m), 16).ToUpper();
            md = Convert.ToString(Convert.ToInt32(255-d), 16).ToUpper();
            b=my+mm+md;

            cdk.Text = a + b + CRCcheck16.ToCRC16(CRCcheck16.StringToHexByte(b), true);
        }

    }
}