/***************************/
//@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 = $("#ContactForm");
	var name = $("#name");
	var nameInfo = $("#nameInfo");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var subject = $("#subject");
	var subjectInfo = $("#subjectInfo");
	var message = $("#message");
	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	subject.blur(validateSubject);
	//On key press
	message.keyup(validateMessage);
	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateSubject() & 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("invalid");
			emailInfo.text("");
			emailInfo.removeClass("invalid");
			return true;
		}
		//if it's NOT valid 
		else{
			email.addClass("invalid");
			emailInfo.text("Please make sure your e-mail is correct.");
			emailInfo.addClass("invalid");
			return false;
		}
	}
	function validateName(){
		//if it's NOT valid 
		if(name.val().length < 3){
			name.addClass("invalid");
			nameInfo.text("Please make sure your name is correct.");
			nameInfo.addClass("invalid");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("invalid");
			nameInfo.text("");
			nameInfo.removeClass("invalid");
			return true;
		}
	}
	function validateSubject(){
		//if it's NOT valid
		if(subject.val().length < 3){
			subject.addClass("invalid");
			subjectInfo.text("Type a correct subject please.");
			subjectInfo.addClass("invalid");
			return false;
		}
		//if it's valid
		else{
			subject.removeClass("invalid");
			subjectInfo.text("");
			subjectInfo.removeClass("invalid");
			return true;
		}
	}
	function validateMessage(){
		//it's NOT valid
		if(message.val().length < 5){
			message.addClass("invalid");
			return false;
		}
		//it's valid
		else{			
			message.removeClass("invalid");
			return true;
		}
	}
});