using System;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;
using System.Windows.Threading;

namespace XHWK.WKTool
{
    /// <summary>
    /// CountdownWindow.xaml 的交互逻辑
    /// </summary>
    public partial class CountdownWindow : Window
    {
        /// <summary>
        /// 计时用
        /// </summary>
        private TimeSpan _timeSpan = new TimeSpan(0, 0, 0, 0, 0);
        DispatcherTimer timer = null;
        /// <summary>
        /// 状态
        /// </summary>
        private State _state = State.End;
        /// <summary>
        /// 计时器状态
        /// </summary>
        private enum State
        {
            Start,
            Pause,
            End
        }
        public CountdownWindow()
        {
            InitializeComponent();
            Initialize();
        }
        public void Initialize()
        {
            //Thread.Sleep(1200);
            //this.Hide();
            //MediaElement.Position
            //((MediaElement)((object)ImgGif)).Position= TimeSpan.Zero;
            //timer = new DispatcherTimer
            //{
            //    Interval = TimeSpan.FromMilliseconds(2500)
            //};
            //timer.Tick += Timer_Tick;
            //timer.Start();



            if (timer == null)
            {
                timer = new DispatcherTimer();
                timer.Tick += OnTimer;
                timer.Interval = new TimeSpan(0, 0, 0, 1);
                timer.IsEnabled = true;
                timer.Start();
            }
            timer.Interval = new TimeSpan(0, 0, 0, 1);
            Stack();

      
                // 开启线程
                Thread tr = new Thread(new ThreadStart(Countdown))
                {
                    IsBackground = true
                };
                tr.Start();
           
        }
        private void Countdown()
        {
            while (_timeSpan.Seconds <= 2)
            {
              
                if (_timeSpan.Seconds > 1)
                {
                    Dispatcher.Invoke(
                  DispatcherPriority.Normal,
                  new Action(() => { imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_1.png")); })
                  );
                 
                }
                else if(_timeSpan.Seconds > 0)
                {
                    Dispatcher.Invoke(
                  DispatcherPriority.Normal,
                  new Action(() => { imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_2.png")); })
                  );
                    
                }
                Thread.Sleep(888);
            }


                _state = State.End;
                Dispatcher.Invoke(
                    DispatcherPriority.Normal,
                    new Action(() => { this.Hide(); })
                    );
          
        }
        /// <summary>
        /// 结束
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void End()
        {
            _state = State.End;
        }

        /// <summary>
        /// 时钟回调
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnTimer(object sender, EventArgs e)
        {
            switch (_state)
            {
                case State.Start:
                    {
                        _timeSpan += new TimeSpan(0, 0, 0, 1);
                    }
                    break;

                case State.Pause:
                    {
                    }
                    break;

                case State.End:
                    {
                        _timeSpan = new TimeSpan();
                        //_timeSpan = new TimeSpan(0, 23, 12, 45, 54);
                    }
                    break;
            }

         
        }
        /// <summary>
        /// 开始
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Stack()
        {
            _state = State.Start;
        }
        private void Timer_Tick(object sender, EventArgs e)
        {
            this.Hide();
            timer.Stop();
        }

        /// <summary>
        /// 跳转页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Window_ContentRendered(object sender, EventArgs e)
        {
            //Thread.Sleep(800);
            //imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_2.png"));
            //Thread.Sleep(800);
            //imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_1.png"));
            //Thread.Sleep(300);
            //this.Hide();

            //Initialize();
        }

        private void Image_MediaEnded(object sender, RoutedEventArgs e)
        {
            ((MediaElement)sender).Position = ((MediaElement)sender).Position.Add(TimeSpan.FromMilliseconds(10000));
        }
    }
}