using System;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using Iri.Modernisation.BaseMVVM.Commands;

using Iri.Modernisation.Controls.ViewModel;

namespace Iri.Modernisation.Controls.View

{

	public partial class VideoViewer : UserControl

	{

        public System.Windows.Threading.DispatcherTimer VideoPositionTimer = new System.Windows.Threading.DispatcherTimer();

        public String MediaSource

        {

            get

            { 

                return (String)GetValue(SourceProperty); 

            }

            set 

            { 

                SetValue(SourceProperty, value);

                if(DataContext != null)

                ((VideoViewerVM)DataContext).Source = value;

            }

        }

        // Using a DependencyProperty as the backing store for Source.  This enables animation, styling, binding, etc...

        public static readonly DependencyProperty SourceProperty =

            DependencyProperty.Register("MediaSource", typeof(String), typeof(VideoViewer), new PropertyMetadata(""));

        private bool _isPlayed  = false;

		public VideoViewer()

		{

			// Required to initialize variables

			InitializeComponent();   /// <summary>

            VideoScreen.MediaEnded += new RoutedEventHandler(VideoScreen_MediaEnded);

            VideoScreen.MediaOpened += new RoutedEventHandler(VideoScreen_MediaOpened);

            VideoPositionTimer.Interval = new System.TimeSpan(0, 0, 0, 0, 500); 

            VideoPositionTimer.Tick += new EventHandler(VideoPositionTimer_Tick);

            Commands.GoToTime.Executed += new EventHandler<SLExtensions.Input.ExecutedEventArgs>(GoToTime_Executed);

            Commands.VideoViewer.Pause.Executed += new EventHandler<SLExtensions.Input.ExecutedEventArgs>(Pause_Executed);

            Commands.VideoViewer.Play.Executed +=new EventHandler<SLExtensions.Input.ExecutedEventArgs>(Play_Executed);

        }

        void VideoScreen_MediaOpened(object sender, RoutedEventArgs e)

        {

            /*

             * In Order to begin 

             */

            VideoScreen.Position = ((VideoViewerVM)DataContext).BeginIn;

            //VideoScreen.Play();

            //VideoPositionTimer.Start();

        }

        void VideoScreen_MediaEnded(object sender, RoutedEventArgs e)

        {

            VideoPositionTimer.Stop();

        }

        private void GoToTime_Executed(object sender, SLExtensions.Input.ExecutedEventArgs e)

        {

            if (e.Source == DataContext && e.Source != null)

            {

                //if(!VideoPositionTimer.IsEnabled)

                //VideoPositionTimer.Start();

               VideoScreen.Position = ((TimeSpan)e.Parameter);

            }

        }

        void VideoPositionTimer_Tick(object sender, EventArgs e)

        {

            if (_isPlayed) 

            {

                if(Tick!=null)

                {

                    Tick(this, new VideoViewerEventArgs(VideoScreen.Position));

                }

                ((VideoViewerVM)DataContext).LaunchTick(VideoScreen.Position);

            }

           //Commands.VideoViewer.SendPosition.Execute(VideoScreen.Position);

        }

        public void ChangePosition(TimeSpan TS)

        {

            VideoScreen.Position = TS;

        }

        void Pause_Executed(object sender, SLExtensions.Input.ExecutedEventArgs e)

        {

            if(e.Source == DataContext || e.Parameter == DataContext)

            {

                VideoScreen.Pause();

                _isPlayed = false;

                VideoPositionTimer.Stop();

            }

        }

        void Play_Executed(object sender, SLExtensions.Input.ExecutedEventArgs e)

        {

            if ((e.Parameter == DataContext || e.Parameter == null) && VideoScreen.Source != null)

            {

                _isPlayed = true;

                VideoScreen.Play();

                VideoPositionTimer.Start();

            }

        }

		private void VideoScreen_MediaFailed(object sender, System.Windows.ExceptionRoutedEventArgs e)

		{

			MessageBox.Show(e.ErrorException.ToString());

		}

		private void VideoScreen_MarkerReached(object sender, System.Windows.Media.TimelineMarkerRoutedEventArgs e)

		{

            MessageBox.Show("toto");

		}

        public event EventHandler<VideoViewerEventArgs> Tick;

	}

    public class VideoViewerEventArgs: EventArgs

    {

        public TimeSpan Position { get; set; }

        public VideoViewerEventArgs(TimeSpan pos)

        {

            Position = pos;

        }

    }

}