using System;

using System.IO;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Media.Animation;

using System.Windows.Navigation;

using System.ComponentModel;

using System.Reflection;

using System.Collections.Generic;

using Microsoft.Surface.Presentation;

using Microsoft.Surface.Presentation.Controls;

using FingersDance.ActionFactory;

using FingersDance.Actions;

using FingersDance.Control.TimeLine;

using FingersDance.Views;

using FingersDance.ViewModels;

namespace FingersDance.Control.Player

{

	public partial class UserControlPlayer

	{

        #region Variables

        private bool isPlaying = false;

        #endregion

        public event EventHandler PlayerOpened;

        public UserControlPlayer()

        {

            this.InitializeComponent();

            MediaElementVideo.LoadedBehavior = MediaState.Manual;

            MediaElementVideo.UnloadedBehavior = MediaState.Manual;

        }

        #region Properties

        public double TotalMilliseconds

        {

            get

            {

                return MediaElementVideo.NaturalDuration.TimeSpan.TotalMilliseconds;

            }

        }

        public MediaElement Player

        {

            get

            {

                return MediaElementVideo;

            }

            set

            {

                MediaElementVideo= value;

            }

        }

        #endregion

        #region Methodes

        public void initPlayer(string path)

        {

            //init player

            isPlaying = false;

            MediaElementVideo.Source = new Uri(path);

            MediaElementVideo.ScrubbingEnabled = true;

        }

        public void playerPause()

        {

            MediaElementVideo.Pause();

        }

        public void playerPlay()

        {

            MediaElementVideo.Play();

        }

        public void playerStop()

        {

            MediaElementVideo.Stop();

        }

        #endregion

        private void ButtonPlayPause_ContactDown(object sender, Microsoft.Surface.Presentation.ContactEventArgs e)

        {

            if (!isPlaying)//Play

            {

                isPlaying = true;

                try

                {

                    MediaElementVideo.Play();

                }

                catch (Exception ex) { }

            }

            else//Pause

            {

                isPlaying = false;

                try

                {

                    MediaElementVideo.Pause();

                }

                catch (Exception exx) { }

            }

        }

        private void ButtonPlayPause_Click(object sender, RoutedEventArgs e)

        {

            if (!isPlaying)//Play

            {

                isPlaying = true;

                try

                {

                    MediaElementVideo.Play();

                }

                catch (Exception ex) { }

            }

            else//Pause

            {

                isPlaying = false;

                try

                {

                    MediaElementVideo.Pause();

                }

                catch (Exception exx) { }

                //ButtonPlayPause.Background = FindResource("[Skin_1]_Play_button_xaml") as Brush;

            }

        }

        private void ButtonFastForward_Click(object sender, RoutedEventArgs e)

        {

            if (MediaElementVideo.SpeedRatio <= 3)

                MediaElementVideo.SpeedRatio += 1;

        }

        private void ButtonFastForward_ContactDown(object sender, Microsoft.Surface.Presentation.ContactEventArgs e)

        {

            if (MediaElementVideo.SpeedRatio <= 3)

                MediaElementVideo.SpeedRatio += 1;

        }

        private void ButtonRewind_Click(object sender, RoutedEventArgs e)

        {

            //TimeSpan ts = new TimeSpan(0, 0, 0, 0);

            if (MediaElementVideo.SpeedRatio > 1)

            {

                MediaElementVideo.SpeedRatio -= 1;

            }

            else

            {

                MediaElementVideo.Position = MediaElementVideo.Position.Add(new TimeSpan(0, 0, 0, -5));

            }

        }

        private void ButtonRewind_ContactDown(object sender, Microsoft.Surface.Presentation.ContactEventArgs e)

        {

            //TimeSpan ts = new TimeSpan(0, 0, 0,0);

            if (MediaElementVideo.SpeedRatio > 1)

            {

                MediaElementVideo.SpeedRatio -= 1;

            }

            else

            {

                MediaElementVideo.Position = MediaElementVideo.Position.Add(new TimeSpan(0, 0, 0, -5));

            }

        }

        private void MediaElementVideo_MediaOpened(object sender, RoutedEventArgs e)

        {

            OnPlayerOpened();

        }

        protected virtual void OnPlayerOpened()

        {

            if(PlayerOpened!=null)

                PlayerOpened(this, new EventArgs());

        }

        private void Play_Pause_area_DragEnter(object sender, SurfaceDragDropEventArgs e)

        {

            //Console.WriteLine("Enter");

            // If the TimelineAnnotationView comes from a user control different from the current one, 

            // it means that we want to add the annotation to the current list.

            // So we check if the dragged annotation can be dragged or if it will recover any existant annotation (in this case it will not be accepted)

            // e.Cursor.DragSource is the SurfaceListBox where the drag started from

            SurfaceListBox slb = (SurfaceListBox)e.Cursor.DragSource;

            // We get the instance of the UserControlSyncSource

            UserControl syncSrc = (UserControl)((Grid)((Grid)this.Parent).Parent).Parent;

            // and its UserControlTimeline

            UserControlTimeLine tl = (UserControlTimeLine)((Grid)((Grid)syncSrc.Content).Children[0]).Children[0];

            if (((Grid)((UserControl)((Grid)slb.Parent).Parent).Parent).Parent != tl)

            {

                // e.Cursor.Visual is the ContentControl, so its Content is the dragged TimelineAnnotationView

                AnnotationViewModel annotationDataVM = (AnnotationViewModel)((TimelineAnnotationView)((ContentControl)e.Cursor.Visual).Content).DataContext;

                Play_Pause_area.Background = tl.isAnnotationAccepted(annotationDataVM) ? new SolidColorBrush(Colors.Green) : new SolidColorBrush(Colors.Red);

            }

            else

            {

                Play_Pause_area.Background = new SolidColorBrush(Colors.White);

            }

            Play_Pause_area.Opacity = 0.3;

        }

        private void Play_Pause_area_DragLeave(object sender, SurfaceDragDropEventArgs e)

        {

            //Console.WriteLine("Leave");

            Play_Pause_area.Opacity = 0;

        }

        private void Play_Pause_area_DragOver(object sender, SurfaceDragDropEventArgs e)

        {

            //Console.WriteLine("Over");

        }

        private void Play_Pause_area_Drop(object sender, SurfaceDragDropEventArgs e)

        {

            //Console.WriteLine("Drop");

            Play_Pause_area.Opacity = 0;

            // e.Cursor.Visual is the ContentControl, so its Content is the dragged TimelineAnnotationView

            AnnotationViewModel annotationDataVM = (AnnotationViewModel)((TimelineAnnotationView)((ContentControl)e.Cursor.Visual).Content).DataContext;

            int nbSeconds = (int)annotationDataVM.TcBegin;

            int nbMilliSec = (int)((annotationDataVM.TcBegin * 1000)%1000);

            MediaElementVideo.Position = new TimeSpan(0, 0, 0, nbSeconds, nbMilliSec);

            // If the TimelineAnnotationView comes from a user control different from the current one, 

            // it means that we want to add the annotation to the current list.

            // So we generate the ActionAddAnnotation

            // e.Cursor.DragSource is the SurfaceListBox where the drag started from

            SurfaceListBox slb = (SurfaceListBox)e.Cursor.DragSource;

            // We get the instance of the UserControlSyncSource

            UserControl syncSrc = (UserControl)((Grid)((Grid)this.Parent).Parent).Parent;

            // and its UserControlTimeline

            UserControl tl = (UserControl)((Grid)((Grid)syncSrc.Content).Children[0]).Children[0];

            if (((Grid)((UserControl)((Grid)slb.Parent).Parent).Parent).Parent != tl)

            {

                // Now we build the action arguments : a list holding the timeline and the annotation view models

                List<Object> actionsArgs = new List<Object>();

                actionsArgs.Add(tl);

                actionsArgs.Add(annotationDataVM);

                ActionGenerator ag = new ActionGenerator();

                ActionBase ab = ag.GetAction("ActionAddAnnotation", actionsArgs);

                if (ab != null)

                    ab.Execute();

            }

        }

	}

}