/***************************/
//@Author: Adrian "yEnS" Mato Gondelle & Ivan Guardado Castro
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
/***************************/

$(document).ready(function(){
	//global vars
	var form = $("#commentform");
	var name = $("#author");
	var nameInfo = $("#authorInfo");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var message = $("#comment");
	var messageInfo = $("#messageInfo");
	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	//On key press
	name.keyup(validateName);
	message.keyup(validateMessage);
	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateMessage())
			return true
		else
			return false;
	});
	
	//validation functions
	function validateEmail(){
		//testing regular expression
		var a = $("#email").val();
		var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;
		//if it's valid email
		if(filter.test(a)){
			email.removeClass("error");
			emailInfo.text("( required, never displayed )");
			emailInfo.removeClass("errorText");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("( invalid email )");
			emailInfo.addClass("errorText");
			return false;
		}
	}
	
	function validateName(){
		//if it's NOT valid
		if(name.val().length < 1){
			name.addClass("error");
			nameInfo.text("( required name )");
			nameInfo.addClass("errorText");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("( required )");
			nameInfo.removeClass("errorText");
			return true;
		}
	}
	
	function validateMessage(){
		//it's NOT valid
		if(message.val().length < 1){
			message.addClass("error");
			messageInfo.text("Are you sure you want to submit your thought without your thought?");
			messageInfo.addClass("errorText");
			return false;
		}
		//it's valid
		else{			
			message.removeClass("error");
			messageInfo.text("");
			messageInfo.removeClass("errorText");
			return true;
		}
	}
});