using Aitex.Core.RT.Key;
using Aitex.Core.RT.Log;
using Aitex.Core.Util;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 MECF.Framework.RT.Core.Backend
{
    /// <summary>
    /// LicenseView.xaml 的交互逻辑
    /// </summary>
    public partial class LicenseView : UserControl
    {
        PeriodicJob _thread;

        public LicenseView()
        {
            InitializeComponent();

            _thread = new PeriodicJob(500, OnTimer, "LicenseView Update", false, true);

            IsVisibleChanged += LicenseView_IsVisibleChanged;
        }

        private void LicenseView_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            if (IsVisible)
                _thread.Start();
            else
                _thread.Pause();
        }

        bool OnTimer()
        {
            try
            {
                Application.Current.Dispatcher.Invoke(new Action(() =>
                {
                    MachineCode.Text = KeyManager.Instance.LocalMachineCode;

                    ExpireDateTime.Text = KeyManager.Instance.ExpireDateTime.ToString();

                    LeftDays.Text = KeyManager.Instance.LeftDays.ToString();

                    LastRegisterDateTime.Text = KeyManager.Instance.LastRegisterDateTime.ToString();

                    LastRegisterDays.Text = KeyManager.Instance.LastRegisterDays.ToString();

                    CurrentDateTime.Text = KeyManager.Instance.CurrentDateTime.ToString();

                }));
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }

            return true;
        }

        private void Copy_Click(object sender, RoutedEventArgs e)
        {
            string key = MachineCode.Text.Trim();

            if (!string.IsNullOrEmpty(key))
            {
                Clipboard.SetDataObject(key);
                System.Windows.MessageBox.Show("机器码已经复制到剪贴板", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }

        private void Export_Click(object sender, RoutedEventArgs e)
        {
            string key = MachineCode.Text.Trim();

            if (string.IsNullOrEmpty(key))
                return;
            
            System.Windows.Forms.SaveFileDialog sfd = new System.Windows.Forms.SaveFileDialog();
            sfd.DefaultExt = ".code";
            sfd.Filter = ".code|*.*";
            sfd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
            sfd.FileName = string.Format("jet_machine_code_{0}.code", DateTime.Now.ToString("yyyyMMdd_HHmmssfff"));
            if (sfd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
                return;
            try
            {
                byte[] myByte = System.Text.Encoding.UTF8.GetBytes(key);
                using (FileStream fsWrite = new FileStream(sfd.FileName, FileMode.OpenOrCreate))
                {
                    fsWrite.Write(myByte, 0, myByte.Length);
                }
                System.Windows.MessageBox.Show(string.Format("机器码导出到文件\r\n{0}\r\n成功", sfd.FileName), "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show(ex.Message, "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }

        private void Paste_Click(object sender, RoutedEventArgs e)
        {
            if (!Clipboard.ContainsText())
                return;
            Key.Text = Clipboard.GetText();
        }

        private void Import_Click(object sender, RoutedEventArgs e)
        {
            System.Windows.Forms.OpenFileDialog ofd = new System.Windows.Forms.OpenFileDialog();
            ofd.DefaultExt = ".code";
            ofd.Filter = ".code|*.*";
            ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
            //ofd.FileName = string.Format("machine_code_{0}.code", DateTime.Now.ToString("yyyyMMdd_HHmmssfff"));
            if (ofd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
                return;
            try
            {
                using (FileStream fsSource = new FileStream(ofd.FileName,
                    FileMode.Open, FileAccess.Read))
                {

                    // Read the source file into a byte array.
                    byte[] bytes = new byte[fsSource.Length];


                    fsSource.Read(bytes, 0, (int)fsSource.Length);
                    Key.Text = System.Text.Encoding.UTF8.GetString(bytes);

                }

                System.Windows.MessageBox.Show("导入注册码成功", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show(ex.Message, "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }

        private void Register_Click(object sender, RoutedEventArgs e)
        {
            string inputKey = Key.Text.Trim();
            if (string.IsNullOrEmpty(inputKey))
                return;

            string reason;
            if (!KeyManager.Instance.Register(inputKey, out reason))
            {
                System.Windows.MessageBox.Show(reason, "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            System.Windows.MessageBox.Show(reason, "提示", MessageBoxButton.OK, MessageBoxImage.Information);
        }
    }
}