$(document).ready(function(){
	var k = Karma({
		audio: [{'name':'correct','file':'correct.ogg'},
			{'name':'incorrect','file':'incorrect.ogg'}
		]});
	
	k.ready(function(){
		var i,j;
		var totalCounter;
		var currentQuestion;
		var TOTAL_QUES = 10;
		var currentDragObject;
		var prevDragObject;
		var dropNum;
		var sectionNum;
		var randPositions = [];
		var compCounter;
		var playerCounter;
		var fstSyllableId;
		var fstSyllableId;
		var checked;
		var gamePlay;
		var s,m,h,play;
		var currentBlock;  //flag for which side increases the score   1-player 0-computer
		var completedWords = [];
		var syllableWord1=  new Array('be','en','ti','tues','stu','chil','eng','hap','sun','in',
									  'sen','com','pro','prac','talk','pic','num','tea','mar','comp'
					);
		var syllableWord2 = new Array('lieve','gine','ger','key','dent','ly','lish','py','day','sect',
									  'tence','plete','noun','tice','ing','nic','ber','cher','ket','uter'
					);
			
		
		var genRandPosition=function (){
		  	randPositions[0] = k.rand(0,19);
			for(i=1; i<20; i++){
					do{
						flag = 0;
						randPositions[i] = k.rand(0,19);
						for(j=0; j<i; j++){
							if(randPositions[i] === randPositions[j]){
								flag++;
							}
						}
					}while(flag != 0 );  //end of do while loop	
				}
		};		
		
		
		var checkTime = function(timePara){
		    if (timePara<10 )
		    {
			timePara="0" + timePara;
		    }
		    return timePara;
		};

		
		var resetTimer = function(){
					play = 0;
					s = 10;
					s=checkTime(s);
					$('#timerBox1').html(s);								
		};
		
		var increaseTime = function(){
		    if(play === 1){
				s--;				
				s=checkTime(s);					
				if(s == 00){  //computer score increase
					k.audio.incorrect.play();
					checked = 0;
					t=setTimeout(function(){delay_correct();},2000);
					currentBlock = 0;					
					assignBuildBlocks();
					compCounter++;
					dropNum = 0;
					resetTimer();
				}
				else{
					$('#timerBox1').html(s);
					var t=setTimeout(function(){increaseTime();},1000);
				}
		    }
		};
		var startTimer = function(){
					play = 1;
					increaseTime();
					
		};		
		
		var check_game_over = function(){
			var flag_game = 0;
			if(totalCounter === 40){  //game over 
				$('#content').addClass('backOpaque');
				$('#gameOver').show();
				resetTimer();
			}
			else if(totalCounter === 20){
				if(playerCounter < 10 || compCounter <10){  //u were missed play again
					$('#topText').html('Sorry U missed the chance !!! Click Play Again.');				}
					flag_game = 1;
			}
			else if(compCounter === 10){  //computer wins
				$('#leftText').html('Computer Wins');
				$('#topText').html('Sorry U missed the chance !!! Click Play Again.');
				flag_game = 1;
			}
			else if(playerCounter === 10){ //player wins
				$('#rightText').html('Player Wins');
				$('#topText').html('Great Job !!! Click Next Button to proceed to next level.');
				flag_game = 1;
			}
			if(flag_game === 1){
				playerCounter = 10;
				compCounter = 10;
				if(gamePlay  === 0){
					$('#linkNextExercise').show();
				}
				else{
					$('#linkPrevExercise').show();
				}
			}
		
			
		};
		var assignBuildBlocks = function(){
			var compName,playerName;	
			if((currentBlock === 1 && playerCounter === 9) || (currentBlock === 0 && compCounter === 9)){
				compName = 'computer_top';
				playerName = 'player_top';
		
			}
			else if((currentBlock === 1 && playerCounter === 0) || (currentBlock === 0 && compCounter === 0)){
				compName = 'computer_base';
				playerName = 'player_base';
			}
			else{
				compName = 'computer_body';
				playerName = 'player_body';
			}
			
			if(currentBlock === 1){
				$('#playerBuild'+(9-playerCounter)).append('<img src="assets/image/'+playerName+'.png" />');
			}
			else{
				$('#compBuild'+(9-compCounter)).append('<img src="assets/image/'+compName+'.png" />');
			}
			
		};
		
		var delay_correct = function(){
			document.delayForm.delayval.value = 1;
			if(checked ===1 ){
				$('#drag'+completedWords[totalCounter-2]).hide();
				$('#drag'+completedWords[totalCounter-1]).hide();
			}
			$('#drop0').html('----------');
			$('#drop1').html('----------');
			$('#drop2').html('------------');
		};
		var check_answers = function(){
			var flag_correct = 0;
			var secStart = sectionNum * 10;
			var secStop = (sectionNum+1) * 10;
			for( i = secStart ; i<secStop; i++){
				var fstSyllable = $('#drag'+fstSyllableId).text();
				var secondSyllable = $('#drag'+secondSyllableId).text();
				if(fstSyllable === syllableWord1[i] && secondSyllable === syllableWord2[i]){
					k.audio.correct.play();				
					$('#drop2').html(fstSyllable+secondSyllable);				
					totalCounter += 2;
					completedWords[totalCounter-2] = fstSyllableId;
					completedWords[totalCounter-1] = secondSyllableId;
					flag_correct = 1;
					correctCounter++;					
					//check with timer and populate the side bar
					//if done within 10 seconds
					currentBlock = 1;
					assignBuildBlocks();
					playerCounter++;
					checked = 1;
					t=setTimeout(function(){delay_correct();},1000);					
				}
			}
			if(flag_correct === 0){  //rearrange them
				checked = 0;
				k.audio.incorrect.play();		
				$('#drop2').html('Not a Valid Word');
				currentBlock = 0;
				assignBuildBlocks();
				compCounter++;
				t=setTimeout(function(){delay_correct();},1000);	
			}
		
			}; 
		
		var assignSyllableWords = function(sId){
			if(sId<10){
				sysId = sId+(10*sectionNum);
				$('#container').append('<div id="drag'+sId+'" >'+syllableWord1[sysId]+'</div>');
			}
			else{
				sysId = ((10*(sectionNum+2)) - 1)-sId;
				$('#container').append('<div id="drag'+sId+'" >'+syllableWord2[sysId]+'</div>');
			}
		
			var dragObjCss = {
					'float':'left','position':'relative','cursor': 'move','margin': '1em',
					'width':'100px','height':'30px','border': '2px solid black',
					'font':'20px/25px bold Arial,Verdana,Geneva,Helvetica',
					'text-align':'center'
				};
			$('#drag'+sId).css(dragObjCss);
			$('#drag'+sId).click(function(){
				currentSyllable = $(this).text();
				if(dropNum === 0){
					fstSyllableId = $(this).attr('id');
					fstSyllableId = parseInt(fstSyllableId.substring(4));
					startTimer();
					
				}
				else{				
					secondSyllableId = $(this).attr('id');
					secondSyllableId = parseInt(secondSyllableId.substring(4));
				}
				$('#drop'+dropNum).html(currentSyllable);
				dropNum++;
				if(dropNum === 2){
				dropNum = 0; 
					resetTimer();
					check_answers();
				}
				check_game_over();
			});
			
		};
		
		var assignDropPlaces = function(drpId){
			$('#joinSyllable').append('<div id="drop'+drpId+'" class="dropObjects"></div>');
			var dropObjCss = { 
					'float':'left','width':'100px','height': '45px','margin': '0.5em 0.5em',
					'font':'20px/35px bold Arial,Verdana,Geneva,Helvetica',
					'text-align':'center','color':'#FF00FF'
			};
			
			if(drpId === 2){
				$('#drop'+drpId).css(dropObjCss).css({'width':'200px'}).html('------------');
			}
			else{
				$('#drop'+drpId).css(dropObjCss).html('----------');
			}
		};
		
		
		var next_syllables = function(){
			resetTimer();
			$('#content').removeClass('backOpaque').html('');
			$('#content').append('<div id="left-side"></div>');
			$('#content').append('<div id="main-content"></div>');
			$('#content').append('<div id="right-side"></div>');
			$('#left-side').append('<div id="leftText"></div>');
			$('#leftText').html('Computer Building');
			$('#right-side').append('<div id="rightText"></div>');
			$('#rightText').html('Player Building');
			
			
			$('#main-content').append('<div id="topText">Join two syllables to make one word</div>');
			$('#main-content').append('<div id="container"></div>');
			$('#main-content').append('<div id="joinSyllable"></div>');		
			genRandPosition();
			playerCounter = 0;
			compCounter = 0;
			for(i = 0; i< 20; i++){
				var randNum = randPositions[i];
				assignSyllableWords(randNum);
			}
			$('#joinSyllable').html('');
			for(i = 0; i< 3;i++){
				assignDropPlaces(i);
				if(i === 0){
					$('#joinSyllable').append('<div class="sign">+</div>');
				}
				else if(i === 1){
					$('#joinSyllable').append('<div class="sign">=</div>');
				}
			}
			for(var i = 0; i< TOTAL_QUES; i++){								
				$('#left-side').append('<div id="compBuild'+i+'></div>');
				$('#compBuild'+i).addClass('default');
				$('#right-side').append('<div id="playerBuild'+i+'></div>');
				$('#playerBuild'+i).addClass('default');
			}

		};
		
		function game_start(){
			gamePlay = 0;
			

			$('#linkNextExercise').hide();
			$('#linkPrevExercise').hide();
			$('#gameOver').hide();
			dropNum = 0;
			correctCounter = 0;
			totalCounter = 0;
			sectionNum = k.rand(0,1);
			next_syllables();			
		}
		
		function game(){
			
			
			$('#linkNextExercise').hide();
			$('#linkPrevExercise').hide();
			$('#gameOver').hide();

		}
		
		game();	
			   
	   	$('#linkNextExercise').click(function(){
			$('#linkNextExercise').hide();
			if(sectionNum  === 0){
				sectionNum += 1;
			}
			else{
				sectionNum -= 1;
			}
			gamePlay++;
			next_syllables();
		});
		$('#linkPrevExercise').click(function(){
			$('#linkPrevExercise').hide();
			if(sectionNum  === 0){
				sectionNum += 1;
			}
			else{
				sectionNum -= 1;
			}
			gamePlay--;
			next_syllables();
		});
		$('#linkStart').click(function(){
			game_start();
		});
	
		$('#linkPlayAgain').click(function(){
			game_start();		
		});
		$('#linkHelp').mouseover(function(){
			$('#help').slideDown(2000);
		})
		.mouseout(function(){
			$('#help').slideUp(2000);
		});
			}); //end of k.ready
		});	//end of document.read