/*
 Unit de funções JavaScript para Módulos EAD
 2014 Server Informática
*/

Number.prototype.toHHMMSS = function () {
    var seconds = Math.floor(this),
        hours = Math.floor(seconds / 3600);
    seconds -= hours*3600;
    var minutes = Math.floor(seconds / 60);
    seconds -= minutes*60;

    if (hours   < 10) {hours   = "0"+hours;}
    if (minutes < 10) {minutes = "0"+minutes;}
    if (seconds < 10) {seconds = "0"+seconds;}
    return hours+':'+minutes+':'+seconds;
}

function Timer(){
	var isStarted = false;
	var interval = 1000; // 1 seg
	var counter = 0;
	var clock = null;
	var incremental = true;
	var output = null;
	var displayText = '';
	var stopOnZero = true;
	var onZero = null;
	var onTimerInterval = 10000; // 10 seg
	var onTimer = null;
	var onTimerClock = null;
	var stopAt = -1; // Cronometro para quando Counter for maior ou menor (depende se é incremental ou decremental)
	var onStop = null; // evento a ser disparado quando counter chegar a variavel stopAt
	
	this.stopClock = function() {
		if (isStarted) {
			clearInterval(clock);
			clearInterval(onTimer);
			isStarted = false;
		}
	}
	
	var stopClock = this.stopClock; // Método privado para acessar função que interrompeo timer
	
	this.incClock = function() {				
		var stop;
		
		if (incremental) {
			counter++;
			stop = counter >= stopAt;
		} else {
			counter--;
			stop = counter <= stopAt;
		}
		
		if (output != null) {
			output.innerHTML = displayText + counter.toHHMMSS();
		}
		
		if (stop) {
			stopClock();					
			if (onStop != null && onStop != undefined) {
				onStop();
			}
			return;
		}
	}
	
	this.startClock = function() {
		if (!isStarted) {
			clock = setInterval(this.incClock, interval);
			onTimerClock = setInterval(this.onTimer, onTimerInterval);
			isStarted = true;
		}
	}	
	
	this.setDisplayText = function(text) {
		displayText = text;
	}
	
	this.setIncrementalMode = function(){
		incremental = true;
	}
	
	this.setDecrementalMode = function() {
		incremental = false;
	}
	
	this.setCounter = function(x) {
		counter = x;
	}
	
	this.setOutput = function(y){
		output = y;
	}
	
	this.getCounter = function(){
		return counter;
	}
	
	this.onTimer = null
	
	this.setStopAt = function(x){
		stopAt = x;
	}
	
	this.setOnStop = function(fn) {
		onStop = fn;
	}	
}

function startProva(counter){
	var timer = new Timer();	
	timer.setCounter(counter);
	timer.setDecrementalMode();
	timer.setDisplayText('Tempo disponivel: ');
	timer.setOutput(document.getElementById('eadTimer'));		
	timer.setStopAt(0);
	timer.setOnStop(TestTimeTimeOut);	
	timer.onTimer = function(){
		jqueryAJAX('Prova/UpdateTime', 'available-time=' + timer.getCounter() + '&codigomodulo=' + $("#codigomodulo").text, false, 'json');
	};
	
	timer.startClock();
}


function setSalvarProvaVisibility() {

	var doSetSalvarProvaVisibility = function(s){
		if (s == null || s == undefined) {
			return;
		}
	
		var obj = JSON.parse(s);
	
		if (obj.SalvarProvaVisible) {
			setVisibility('menuBottom', 'visible');
		} else {
			setVisibility('menuBottom', 'hidden');
		}
	}
	
	Ajax('', '/bshop/getModoLayoutFromPreset', 'Preset=' + Preset + '&ReportName=' + ReportName + "&A=1", null, 0, DoSetModoLayout, false, true, null, true);
}

function checkBtnFinalizarProvaVisibility(sessionID){
	setBtnFinalizarProvaVisibility = function(obj, str, jqXHR){
		if (obj.AllQuestionsAnswered) {
			$("#menuBottom").show();
		} else {
			$("#menuBottom").hide();
		}
	};

	jqueryAJAX("Prova/TodasPerguntasPreenchidas?SessionID="+sessionID, $("#FormProva"), true, "json", setBtnFinalizarProvaVisibility);
}

function jqueryAJAX(requestAddress, customData, toSerialize, returnType, successCallback, errorCallBack, completeCallback) {
	var d = null;
	
	if (toSerialize) {
		d = customData.serialize();
	} else {
		d = customData;
	}

	var request = $.ajax({
		url: requestAddress,
		type: "GET",
		data: d,
		dataType: returnType,
		cache: false,
		success: successCallback,
		complete: completeCallback,
		error: errorCallBack
	});
}

function TestTimeTimeOut() {
	alert("Seu tempo para realizar este teste esgotou. \nAs questões respondidas serão salvas e você será redirecionado à página inicial." );
	$("#menuBottom").show();
	$("#salvarProva").click();
}