package ru.denivip.stats
{
	import flash.events.TimerEvent;
	import flash.utils.Timer;
	
	import org.osmf.events.MediaElementEvent;
	import org.osmf.media.MediaElement;
	import org.osmf.traits.MediaTraitType;
	import org.osmf.traits.TimeTrait;

	public class StatsTracker
	{
		private static var SERVER_HOST:String = 'shared.local';
		
		private static var SERVER_PORT:uint = 8125;
		
		private var media:MediaElement;
		
		private var timer:Timer;
		
		private var socket:StatsSocket;
		
		public function StatsTracker(media:MediaElement)
		{
			this.media = media;
			this.timer = new Timer(500);
			this.socket = new StatsSocket();
			
			timer.addEventListener(TimerEvent.TIMER, function (event:TimerEvent):void {
				checkPosition();
			});
			
			media.addEventListener(MediaElementEvent.TRAIT_ADD, onTraitAdd);
			media.addEventListener(MediaElementEvent.TRAIT_REMOVE, onTraitRemove);
		}
		
		public function start():void
		{
			trace('start tracking');
			socket.connect(SERVER_HOST, SERVER_PORT);
			timer.start();
		}
		
		public function stop():void
		{
			trace('do not track');
			socket.close();
			timer.stop();
		}
		
		private function checkPosition():void
		{
			var time:TimeTrait = media.getTrait(MediaTraitType.TIME) as TimeTrait;
			trace(time.currentTime);
			socket.writeln(time.currentTime.toString());
		}
		
		private function onTraitAdd(e:MediaElementEvent):void
		{
			trace(e.traitType + ' trait added');
			
			if (e.traitType == MediaTraitType.TIME) {
				start();
			}
		}
		
		private function onTraitRemove(e:MediaElementEvent):void
		{
			trace(e.traitType + ' trait removed');
			
			if (e.traitType == MediaTraitType.TIME) {
				stop();
			}
		}		
	}
}