using System;
using System.IO;
using System.Windows;
using System.Windows.Forms;
using Aitex.Core.RT.Key;
using Aitex.Core.RT.Log;
using Aitex.Core.Util;
using Clipboard = System.Windows.Forms.Clipboard;
 
namespace Aitex.Core.Backend
{
    public partial class LicenseView : UserControl
    {
        PeriodicJob _thread;

        public LicenseView()
        {
            InitializeComponent();

            this.VisibleChanged += LicenseView_VisibleChanged;

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

        void LicenseView_VisibleChanged(object sender, EventArgs e)
        {
                if (Visible)
                    _thread.Start();
                else
                    _thread.Pause();
        }
        
        bool OnTimer()
        {
            try
            {
            Invoke(new Action(() =>
                              {
                textMachineCode.Text = KeyManager.Instance.LocalMachineCode;

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

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

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

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

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

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

            return true;
        }

        private void LicenseView_Load(object sender, EventArgs e)
        {

        }

        private void btnRegister_Click(object sender, EventArgs e)
        {
            string inputKey = textKey.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);
        }

        private void btnCopy_Click(object sender, EventArgs e)
        {
                        string key = textMachineCode.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 btnExport_Click(object sender, EventArgs e)
        {
                        string key = textMachineCode.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 btnPaste_Click(object sender, EventArgs e)
        {
            if (!Clipboard.ContainsText())
                return;
            textKey.Text = Clipboard.GetText();
        }

        private void btnImport_Click(object sender, EventArgs 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);
                    textKey.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);
            }
        }
    }
}