var current_question = 1;
var total_questions = 0;
var mode = "show";

function checkAnswer(e) {
	var answered = false;
	
	jQuery("#question-" + current_question + " .answer").each(function(i) {
		if(this.checked) {
			answered = true;
			return true;
		}
	});
	if(!answered) {
		if(!confirm("You did not select any answer. Are you sure you want to continue?")) {
			e.preventDefault();
			e.stopPropagation();
			return false;
		}
	}
	return true;
}

function nextQuestion(e) {
	if(!checkAnswer(e)) return;
	
	jQuery("#question-" + current_question).hide();
	current_question++;
	jQuery("#question-" + current_question).show();
	
	if(total_questions <= current_question) {
		jQuery("#next-question").hide();
		jQuery("#action-button").show();
	}
}

// This part is used only if the answers are show on a per question basis.
/*function showAnswer(e) {
	if(!checkAnswer(e)) return;
	
	if(mode == "next") {
		mode = "show";
		
		jQuery("#question-" + current_question).hide();
		current_question++;
		jQuery("#question-" + current_question).show();
	
		jQuery("#show-answer").val("Show Answer");
		return;
	}
	
	mode = "next";
	
	jQuery(".correct-answer-label.label-"+current_question).addClass("correct-answer");
	jQuery(".answer-"+current_question).each(function(i) {
		if(this.checked && this.className.match(/wrong\-answer/)) {
			var number = this.id.toString().replace(/\D/g,"");
			if(number) {
				jQuery("#answer-label-"+number).addClass("user-answer");
			}
		}
	});
	
	if(total_questions <= current_question) {
		jQuery("#show-answer").hide();
		jQuery("#action-button").show();
	} else {
		jQuery("#show-answer").val("Next >");
	}
}*/
function validateSelections(e){
	alert("Yeah is here!");
	e.preventDefault();
	e.stopPropagation();
	return;
}
/*function quizzinInit() {
	jQuery("#question-1").show();
	total_questions = jQuery(".quizzin-question").length;
	
	if(total_questions == 1) {
		jQuery("#action-button").show();
		jQuery("#next-question").hide();
		jQuery("#show-answer").hide();
	
	} else {
		jQuery("#next-question").click(nextQuestion);
		jQuery("#show-answer").click(showAnswer);
		jQuery("#show-answer").click(validateSelections);
	}
}*/
function selectQuestion(element){
	jQuery(element).parent('.quizzin-question').addClass('quizzin-question-selected');
}
function selectAnswer(element){
	jQuery(element).siblings('label').removeClass('answer-selected');
	jQuery(element).next('label').addClass('answer-selected');
}
function showexplanation(element){
	jQuery(element).siblings('div').slideDown();
}
function quizzinInit() {
	var question 		= null;
	var QuestionCounter = 1;
	var ReadyToSubmit 	= true;
	var ErrorMsg 		= ''
	jQuery('.quiz-area form').each(function(){
		jQuery(this).submit(function(){
			ReadyToSubmit = true;									 
			jQuery(this).children('.quizzin-question').each(function(){																	
					if(jQuery(this).children(':radio:checked').length==0){
						ReadyToSubmit 	= false;
						ErrorMsg 			= "Please select an answer in question #"+QuestionCounter;
					}
					QuestionCounter++;
			});
			QuestionCounter=1;
			if(!ReadyToSubmit){
				alert(ErrorMsg);
				return false;
			}
		});								   
	});
	jQuery('.answer').change(function(){								
		selectAnswer(jQuery(this));
		selectQuestion(jQuery(this));
		showexplanation(jQuery(this));
	});
	jQuery('#reset-button').click(function(){
		jQuery('.quizzin-question').removeClass('quizzin-question-selected');								   
		jQuery('.answer').removeClass('answer-selected');								   
	});
}

jQuery(document).ready(quizzinInit);