using EC.Entity.Video;
using EC.UsingEventAggregator;
using ECMonitor.Code;
using ECMonitor.Manager;
using ECMonitor.UC.Videos;
using Prism.Events;
using Prism.Regions;
using System.Linq;
using System.Threading;
using System.Windows;
using System.Windows.Controls;

namespace ECMonitor.Page.CameraMonitor
{
	/// <summary>
	/// MainVideo.xaml 的交互逻辑
	/// </summary>
	public partial class CameraVideo : UserControl
	{
		public IRegionManager _regionManager { get; set; }
		public IEventAggregator _ea { get; set; }

		private VideoPlayManager _videoPlayManager { get; set; } = new VideoPlayManager();
		private double _videoWidth = 400;
		private double _videoHeight = 300;

		//窗体长宽比，防止窗体变化时 窗体变形
		private double _videoWH { get; set; } = -1;

		/// <summary>
		/// 当前选中播放器好
		/// </summary>
		private int _playerSelectIndex { get; set; } = 0;

		/// <summary>
		/// 当天窗体内播放器数量
		/// </summary>
		private int _videoNumber { get; set; } = 1;

		/// <summary>
		/// 上一次选择 按钮 窗体数 1窗 4窗
		/// </summary>
		private int _barButtonSelectedIndex = 0;

		public CameraVideo(IRegionManager regionManager, IEventAggregator ea)
		{
			_regionManager = regionManager;
			_ea = ea;
			InitializeComponent();
			_ea.GetEvent<ShowVoideInMainEvent>().Subscribe(PlayVideoReceived);
		}

		private void BarButtons_SelectionChanged(object sender, SelectionChangedEventArgs e)
		{
			if (barButtons.SelectedIndex == -1)
			{
				barButtons.SelectedIndex = _barButtonSelectedIndex;
				return;
			}
			if (barButtons.SelectedIndex != _barButtonSelectedIndex)
			{
				BarButtonsSelectedChange(barButtons.SelectedIndex);
			}
		}

		private void BarButtonsSelectedChange(int selectedIndex)
		{
			if (_barButtonSelectedIndex == selectedIndex)
			{
				return;
			}
			_barButtonSelectedIndex = selectedIndex;
			switch (selectedIndex)
			{
				case 0:
					ChangePlayerGridByRowNum(1);
					break;

				case 1:
					ChangePlayerGridByRowNum(2);
					break;

				case 2:
					ChangePlayerGridByRowNum(3);
					break;
			}
			_playerSelectIndex = 0;
			_videoPlayManager.SetALLUnSelected();
			_videoPlayManager.GetUCVideoList()[_playerSelectIndex]?.SetSelected(true);
		}

		/// <summary>
		/// 设置窗体每行播放器数量
		/// </summary>
		/// <param name="rowNumber"></param>
		private void ChangePlayerGridByRowNum(int rowNumber = 1)
		{
			if (_videoWH < 0)
			{
				return;
			}
			double width = panMain.ActualWidth;
			double height = _videoWH * width;
			//Padding =2,2，2，2
			width = width - 4;
			height = height - 4;
			_videoWidth = width / rowNumber - 4;
			_videoHeight = height / rowNumber - 4;
			int showVideoNumber = rowNumber * rowNumber;
			_videoNumber = showVideoNumber;
			int addedVideoNumber = _videoPlayManager.GetUCVideoList().Count();

			int dif = showVideoNumber - addedVideoNumber;
			//已经添加的 多余界面
			if (dif < 0)
			{
				//设置界面大小
				for (int i = 0; i < showVideoNumber; i++)
				{
					var videoPlay = _videoPlayManager.GetUCVideoList()[i];
					videoPlay.ReSetSize(_videoWidth, _videoHeight);

					string ucname = videoPlay.GetName();
					var rtspVideo = (UserControl)this.panMain.FindName(ucname);
					if (rtspVideo == null)//如果没有添加的添加
					{
						this.panMain.Children.Add(videoPlay.GetControl());
						this.panMain.RegisterName(videoPlay.GetName(), videoPlay.GetControl());
					}
				}
				//从界面删除
				for (int i = showVideoNumber; i < addedVideoNumber; i++)
				{
					var videoPlay = _videoPlayManager.GetUCVideoList()[i];
					string ucname = videoPlay.GetName();
					var rtspVideo = (UserControl)this.panMain.FindName(ucname);
					if (rtspVideo != null)
					{
						videoPlay.Stop();
						//  videoPlay.SetIsShow(false);
						this.panMain.Children.Remove(rtspVideo);
						this.panMain.UnregisterName(ucname);
					}
				}
			}
			else if (dif >= 0) ///已经添加的少于界面
			{
				//设置界面大小
				for (int i = 0; i < addedVideoNumber; i++)
				{
					var videoPlay = _videoPlayManager.GetUCVideoList()[i];
					videoPlay.ReSetSize(_videoWidth, _videoHeight);
					string ucname = videoPlay.GetName();
					var rtspVideo = (UserControl)this.panMain.FindName(ucname);
					if (rtspVideo == null)
					{
						this.panMain.Children.Add(videoPlay.GetControl());
						this.panMain.RegisterName(videoPlay.GetName(), videoPlay.GetControl());
					}
				}
				//添加新的视频窗体
				for (int i = 0; i < dif; i++)
				{
					var iUCVideo = _videoPlayManager.CreateVideo(_ea, _videoWidth, _videoHeight);
					var ucvideo = iUCVideo.GetControl();
					ucvideo.Margin = new Thickness(2, 2, 2, 2);
					this.panMain.Children.Add(ucvideo);
					this.panMain.RegisterName(ucvideo.Name, ucvideo);
					iUCVideo.PlayerMouseDown += PlayerMouseDown;
					iUCVideo.PlayerMouseDoubleClick += PlayerMouseDoubleClick;
					iUCVideo.OnFromClose += OnFromClose;
				}
			}
		}

		private void OnFromClose(object sender, int index)
		{
			StaticData.MainPlayerIp = "";
		}

		//双击 最大化、最小化
		private void PlayerMouseDoubleClick(object sender, int index)
		{
			IUCPlayer player = (sender as IUCPlayer);

			double width = panMain.ActualWidth;
			double height = _videoWH * width;
			//Padding =2,2，2，2
			width = width - 4;
			height = height - 4;

			bool isMax = player.SetMaximized(width, height);
			if (isMax)
			{
				this.panMain.Children.Remove(player.GetControl());
				this.panMain.UnregisterName(player.GetName());
				this.panMain1.Children.Add(player.GetControl());
				this.panMain1.RegisterName(player.GetName(), player.GetControl());
			}
			else
			{
				this.panMain1.Children.Remove(player.GetControl());
				this.panMain1.UnregisterName(player.GetName());

				this.panMain.Children.Insert(index, player.GetControl());
				this.panMain.RegisterName(player.GetName(), player.GetControl());
			}
		}

		/// <summary>
		/// 选中设置
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void PlayerMouseDown(object sender, int videoIndex)
		{
			_videoPlayManager.SetALLUnSelected();
			IUCPlayer ucPlayer = (sender as IUCPlayer);
			ucPlayer.SetSelected(true);
			_playerSelectIndex = videoIndex;

			//rightRegion.
			if (ucPlayer.IsPlaying())
			{
				//MonitorCamera curCamera = ucPlayer.GetCamera();
				var curOnvifClient = ucPlayer.GetOnvifClient();
				_ea.GetEvent<SendOnvifClientEvent>().Publish(curOnvifClient);
			}
			else
			{
				_ea.GetEvent<SendOnvifClientEvent>().Publish(null);
			}

			///
		}

		//private void CreateVideo(string cameraIp)
		//{
		//    IUCVideo ucVideo = _videoPlayManager.GetUCVideo(cameraIp);
		//    if (ucVideo != null)
		//    {
		//        ucVideo.UPDateTime();
		//        return;
		//    }
		//    MonitorCamera camera = CameraManager.GetCamera(cameraIp);
		//    if (camera == null)
		//    {
		//        ShowLog("相机Ip：" + cameraIp + "不存在", true);
		//        return;
		//    }
		//    UCRtspVlcVideo rtspVideo = new UCRtspVlcVideo(_videoWidth,_videoHeight);

		//    this.panMain.Children.Add(rtspVideo);
		//    rtspVideo.Play();

		//    this.panMain.RegisterName(rtspVideo.Name, rtspVideo);
		//    _videoPlayManager.Add(ucVideo);
		//}

		//private void btnStop_Click(object sender, RoutedEventArgs e)
		//{
		//    var rtspVideo = _videoPlayManager.GetUCVideo("192.168.1.65");
		//    if (rtspVideo != null)
		//    {
		//        rtspVideo.Stop();

		//    }

		//}

		private void UserControl_Loaded(object sender, RoutedEventArgs e)
		{
			_videoWidth = panMain.ActualWidth;
			_videoHeight = panMain.ActualHeight;
			_videoWH = _videoHeight / _videoWidth;
			barButtons.SelectedIndex = ConfigHelper.MainBarButtonSelectedIndex();
		}

		private void Button_Click(object sender, RoutedEventArgs e)
		{
			// await MessageManager.MessageBox("测试");

			// Play("192.168.1.651");
			_ea.GetEvent<ShowVoideInMainEvent>().Publish("192.168.1.65");
		}

		public virtual void PlayVideoReceived(string cameraIp)
		{
			Play(cameraIp);
		}

		private void Play(string ip)
		{
			var videoPlay = _videoPlayManager.GetUCVideoList()[_playerSelectIndex];
			if (videoPlay == null)
			{
				MessageManager.ShowMessage("当前选中的播放器 SelectIndex=" + _playerSelectIndex.ToString(), true);

				return;
			}
			if (!videoPlay.IsNullPlay())
			{
				if (videoPlay.GetCameraIp() == ip)
				{
					if (videoPlay.IsPlaying())
					{
						return;
					}
				}
				videoPlay.Stop();
				Thread.Sleep(1000);
			}
			MonitorCamera camera = CameraManager.GetCamera(ip);
			if (camera == null)
			{
				MessageManager.ShowMessage(ip + "相机不存在", true);
				return;
			}

			bool play = videoPlay.Play(camera);
			AddSelectVideoIndex();
		}

		public void AddSelectVideoIndex()
		{
			_playerSelectIndex++;
			if (_playerSelectIndex >= _videoNumber)
			{
				_playerSelectIndex = 0;
			}
			_videoPlayManager.SetALLUnSelected();
			var ucPlayer = _videoPlayManager.GetUCVideoList()[_playerSelectIndex];
			if (ucPlayer != null)
			{
				ucPlayer.SetSelected(true);
				if (ucPlayer.IsPlaying())
				{
					//MonitorCamera curCamera = ucPlayer.GetCamera();
					var curOnvifClient = ucPlayer.GetOnvifClient();
					_ea.GetEvent<SendOnvifClientEvent>().Publish(curOnvifClient);
				}
				else
				{
					_ea.GetEvent<SendOnvifClientEvent>().Publish(null);
				}
			}
		}

		//窗体尺寸该表
		private void UserControl_SizeChanged(object sender, SizeChangedEventArgs e)
		{
			if (_videoWH < 0) return;
			int toSelectIndex = _barButtonSelectedIndex;
			_barButtonSelectedIndex = -1;
			BarButtonsSelectedChange(toSelectIndex);
		}
	}
}