package 
{
	import flash.display.Loader;
	import flash.net.URLRequest;
	import flash.events.Event;
	import flash.events.IOErrorEvent;
	import flash.net.URLRequestMethod;

	
	
	/**
	 * Tracking class for google analytics 
	 * @author l.gn
	 * @link http://satoridigital.com
	 */
	public class GoogleAnalyticsGIF 
	{
		private static var _trackedURL:String; //tje url of the website we are tracking 
		private static var _trackingID:String; //the tracking id as been setup in google analytics. 
		
		/**
		 * Static, sends the page to the analytics gif
		 * @param	page:String -  the tracking tag we want to send to goodle analytics
		 */
		public static function sendTracking(page:String):void {
			
			if (_trackingID && _trackedURL) {
				var loader:Loader = new Loader();
				var url:String = "http://www.google-analytics.com/__utm.gif?utmwv=4.3&utmdt=Smart_Banners&utmhn=" + 	encodeURIComponent(_trackedURL) + "&utmp=" + encodeURIComponent(page)+ 	encodeURIComponent(_trackingID);
				
				trace("Tracking url >-- " + url);
				
				var request:URLRequest = new URLRequest(url);
				request.method = URLRequestMethod.GET;
				loader.addEventListener(Event.COMPLETE, trackingSentHnadler);
				loader.addEventListener(IOErrorEvent.IO_ERROR, trackingIOErrorHnadler);
				loader.load(request);
				
			}else {
				throw new Error("wow! wait a second you need to set your trackingID and url!");
			}

		}
		
		private static function trackingSentHnadler(e:Event):void {
			//nothing to handle..
		}
		
		private static function trackingIOErrorHnadler(e:IOErrorEvent):void {
			trace("woops! Error!: " + e.text);
		}
		
		
		public static function set trackedURL(value:String):void 
		{
			_trackedURL = value;
		}
		
		public static function get trackedURL() :String{ return _trackedURL ; }
		
		public static function set trackedID(value:String):void 
		{
			_trackingID = value;
		}
		
		public static function get trackedID():String { return _trackingID ; }
	}
	
}