package org.sunshine.game
{
	import flash.display.DisplayObject;
	import flash.display.DisplayObjectContainer;
	import flash.display.MovieClip;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.events.TextEvent;
	import flash.media.Sound;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.text.TextFieldType;
	import flash.text.TextFormat;
	
	public class CalcuBoy extends Sprite
	{
		
		public static const STATE_SHOW_TITLE:int = 10;
		public static const STATE_TITLE_SHOWING:int = 15;
		public static const STATE_INIT:int = 20;
		public static const STATE_SHOW_QUESTION:int = 30;	//显示题目
		public static const STATE_WAIT_ANSWER:int = 35;
		public static const STATE_SHOW_LEVEL:int = 40;	
		public static const STATE_FEEDBACK_RIGHT:int = 45; //显示反馈【正确】
		public static const STATE_FEEDBACK_ERROR:int = 46; //显示反馈【错误】
		public static const STATE_SHOW_END:int = 50;
		public static const STATE_GAME_OVER:int = 60;
		public static const STATE_WAIT:int = 100;
		
		public var bg:MovieClip;
		public var titleMc:MovieClip;
		public var flag:MovieClip;
		
		public var gameState:int = 0;
		
		public var level:int = 2;
		public var score:int = 0;
		
		public var errArray:Array = new Array();
		
		public var soundRight:Sound = new RightSound();
		public var soundError:Sound = new ErrorSound();
		
		//乘数和被乘数
		public var tfNumber1:TextField = new TextField();
		public var tfNumber2:TextField = new TextField();
		
		public var tfAnswer:TextField = new TextField();
		
		//记分板
		public var sb:Scoreboard = new Scoreboard();
		//对号
		public var rightFeedbackMc:MovieClip = new RightMc();
		
		public function CalcuBoy()
		{
			bg = new BackGround();
			addChild(bg);
			
			addEventListener(Event.ENTER_FRAME,gameLoop);
			gameState = CalcuBoy.STATE_SHOW_TITLE;
		}
		
		public function gameLoop( e:Event ):void{
			switch( gameState ) {
				case CalcuBoy.STATE_SHOW_TITLE:
					showTitle();
					break;
				case CalcuBoy.STATE_TITLE_SHOWING:
					break;
				case CalcuBoy.STATE_INIT:
					initGame();
					break;
				case CalcuBoy.STATE_SHOW_QUESTION:
					showQuestion();
					break;
				case CalcuBoy.STATE_WAIT_ANSWER:
					break;
				case CalcuBoy.STATE_FEEDBACK_RIGHT:
					feedbackRight();
					break;
				case CalcuBoy.STATE_FEEDBACK_ERROR:
					feedbackError();
					break;
			}
		}
		
		public function feedbackError():void{
			soundError.play();
			tfAnswer.text = "";
			stage.focus = tfAnswer;
			gameState = CalcuBoy.STATE_WAIT_ANSWER;
		}
		
		public function feedbackRight():void{
			soundRight.play();
			score ++;
			//show score
			sb.update({score:score});
			//level up
			if(score>=(10 + level*2)){
				level ++;
				score = 1;
				//show level
				sb.update({level:level,score:score});
				if(level>9)level=9;
			}
			//show right feedback
			rightFeedbackMc.visible = true;
			rightFeedbackMc.gotoAndPlay(0);
			
			rightFeedbackMc.addEventListener(Event.ENTER_FRAME,onFeedbackRight);
			gameState = CalcuBoy.STATE_WAIT;
		}
		
		public function onFeedbackRight( e:Event ):void{
			if( rightFeedbackMc.currentFrame >= rightFeedbackMc.totalFrames){
				rightFeedbackMc.visible = false;
				rightFeedbackMc.removeEventListener(Event.ENTER_FRAME,onFeedbackRight);
				gameState = CalcuBoy.STATE_SHOW_QUESTION;				
			}
		}
		
		public function showQuestion():void{
			
			tfNumber1.text = level.toString();
			tfNumber2.text = (Math.floor(Math.random()*9)+1).toString();
			trace("show question: " + tfNumber1.text + " × " + tfNumber2.text);	
			tfAnswer.text = "";
			stage.focus = tfAnswer;
			
			gameState = CalcuBoy.STATE_WAIT_ANSWER;
		}
		
		public function showTitle():void{
			titleMc = new GameTitle();
			titleMc.x = (stage.stageWidth - titleMc.width)/2;
			titleMc.y = (stage.stageHeight - titleMc.height)/2 - titleMc.height;
			addChild(titleMc);
			stage.addEventListener(MouseEvent.CLICK,onEnterGame);
			gameState = CalcuBoy.STATE_TITLE_SHOWING;
		}
		
		public function onEnterGame( e:MouseEvent ){
			gameState = CalcuBoy.STATE_INIT;
			removeChild(titleMc);
			stage.removeEventListener(MouseEvent.CLICK,onEnterGame);
		}
		
		public function initGame():void{
			soundRight.play();
			
			addChild(sb);
			rightFeedbackMc.x = 360;
			rightFeedbackMc.y = 150;
			addChild(rightFeedbackMc);
			rightFeedbackMc.visible = false;
			
			var tft:TextFormat = new TextFormat();
			tft.size = 60;
			tft.color = 0x00FFFF;
			tfNumber1.defaultTextFormat = tft;
			tfNumber2.defaultTextFormat = tft;
			tfAnswer.defaultTextFormat = tft;
			tfNumber1.text = "?";
			tfNumber2.text = "?";
			tfAnswer.text = "?";
			
			tfNumber1.x = 140;
			tfNumber1.y = 150;
			addChild(tfNumber1);
			tfNumber2.x = 260;
			tfNumber2.y = 150;
			addChild(tfNumber2);
			tfAnswer.x = 360;
			tfAnswer.y = 150;
			tfAnswer.type = TextFieldType.INPUT;
			tfAnswer.restrict = "0-9";
			tfAnswer.autoSize = TextFieldAutoSize.LEFT;
			tfAnswer.maxChars = 2;
			addChild(tfAnswer);
			//tfAnswer.border = true;
			stage.focus = tfAnswer;
			tfAnswer.setSelection(0,1);
			
			tfAnswer.addEventListener(Event.CHANGE,onAnswer);
			
			//乘号
			var timeImage:MovieClip = new TimeImg();
			timeImage.x = 200;
			timeImage.y = 170;
			addChild(timeImage);
			//等号
			var eqlImage:MovieClip = new EqlImg();
			eqlImage.x = 310;
			eqlImage.y = 170;
			addChild(eqlImage);
			
			
			gameState = CalcuBoy.STATE_SHOW_QUESTION;
		}
		
		public function onAnswer( e:Event ):void {
			if( gameState == CalcuBoy.STATE_WAIT_ANSWER ) {
				var n1 = parseInt(tfNumber1.text);
				var n2 = parseInt(tfNumber2.text);
				var asr = parseInt(tfAnswer.text);
				trace("Right answer:" + n1*n2); 
				trace("Your answer: " + asr);
				if(n1*n2 == asr){
					trace("u r right.");
					gameState = CalcuBoy.STATE_FEEDBACK_RIGHT;
				}else {
					if( tfAnswer.text.length == String(n1*n2).length ){
						var fml:Formula = new Formula(n1,n2);
						errArray.push(fml);
						trace("Error formula pushed in errArray.");
						gameState = CalcuBoy.STATE_FEEDBACK_ERROR;
					}
				}
			}
		}
		
		//trace 显示列表
		public function traceDisplayList( container:DisplayObjectContainer,intentString:String="" ):void {
			var child:DisplayObject;
			for( var i:int=0;i<container.numChildren;i++){
				child = container.getChildAt(i);
				trace(intentString,child,child.name);
				if(child is DisplayObjectContainer){
					traceDisplayList(DisplayObjectContainer(child),intentString + "  ");
				}
			}
		}
	}
}