package {
   import flash.display.Sprite;
   import Graph;
   import Node;
   import flash.events.*;
   import flash.utils.Timer;
   import flash.text.*;

   public class ScaleFreeSample extends Sprite{
      private var graph:Graph;
      private var clusterConst:Number = .2;

      public function ScaleFreeSample(){
	 addMenu();
	 var tt:Timer  = new Timer(800,30);
	 graph = new Graph();
	 addChild(graph);
	 var num:Number = 100;
	 graph.createNode(100,100,{text:String(num)});
	 tt.addEventListener(TimerEvent.TIMER,function(ev:TimerEvent):void{
	    graph.stop();
	    (function():void{
	       var n:Node = scalefree();
	       num ++;
	       var n2:Node = n.add(-1,-1,{ color : Math.floor(Math.random() * 0xffffff),
					   text :  num  }  );
	       var f:Function = function():void{
		  var n3:Node = graph.nodes[ Math.floor( Math.random() * graph.nodes.length )];
		  var n4:Node = scalefree();
		  if(! n3.isConnected(n4) ) n3.connect(n4);
	       };
	       f();
	    })();
	    graph.move();
	 });
	 //tt.addEventListener(TimerEvent.TIMER_COMPLETE,graph.move);
	 tt.start();
      }

       public function addMenu():void{
	  return;
	   var tf:TextField = new TextField();
	   tf.text = "[play again]";
	   addChild(tf);
	   tf.addEventListener(MouseEvent.CLICK,this.playAgain);
       }

       public function playAgain(ev:MouseEvent):void{
	   graph.clear();
       }

      public function scalefree():Node{
	 var p:Array = [];
	 var weight:Object = {};
	 var out:Node;
	 var last:Number = 0;
	 for each(var n:Node in graph.nodes){
	    var t:Number = (1 + (clusterConst * n.edges.length)) * Math.random();
	    if(t > last){
	       out = n;
	       last = t;
	    }
	 }
	 return out;
      }
   }

}