/***************************/
//@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 = $("#contact");
	var name = $("#name");
	var nameInfo = $("#nameInfo");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
    var comment = $("#comment");
    var commentInfo = $("#commentInfo");
	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
    comment.blur(validateComment);
	//On key press
    name.keyup(validateName);
    email.keyup(validateEmail);
	comment.keyup(validateComment);
	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateComment())
			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("");
			emailInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("Please enter a valid email");
			emailInfo.addClass("error");
			return false;
		}
	}
	function validateName(){
		//if it's NOT valid
		if(name.val().length < 4){
			name.addClass("error");
			nameInfo.text("Please enter a name of more than 3 letters");
			nameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("");
			nameInfo.removeClass("error");
			return true;
		}
	}
    function validateComment(){
        //it's NOT valid
        if(comment.val().length < 10){
            comment.addClass("error");
            return false;
        }
        //it's valid
        else{            
            comment.removeClass("error");
            return true;
        }
    }
});