/***************************/
//@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 = $("#emailform");
	var name = $("#name");
	var nameInfo = $("#nameInfo");
	var tel = $("#tel");
	var telInfo = $("#telInfo");    
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var comment = $("#comment");    
	var privacy = $("#privacy");
	var privacyInfo = $("#privacyInfo");
	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	tel.blur(validateTel);
	comment.blur(validateComment);

	//On key press
	name.keyup(validateName);
	tel.keyup(validateTel);
	comment.keyup(validateComment);
    
    //On click
    privacy.click(validatePrivacy);

    //On Submitting
	form.submit(function(){
		if(validateName() & validateEmail()& validatePrivacy() & validateTel() & validateComment())
			return true
		else
			return false;
	});
	
	//validation functions
	function validatePrivacy(){
		if(privacy.attr('checked') == true){
			privacyInfo.text("");
            privacyInfo.removeClass("error");
			return true;

		}
        else {
                privacyInfo.text("Attenzione: autorizzare il trattamento dei dati!");
                privacyInfo.addClass("error");
                return false;
        }
	}
    function validateTel() {
		var a = $("#tel").val();
		var filter = /^(\+){0,1}(\d|\s|\(|\)){6,25}$/;
		//if it's valid phone
		if(filter.test(a)){
			tel.removeClass("error");
			telInfo.text("Ok!");
			telInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			tel.addClass("error");
			telInfo.text("Attenzione: digitare un numero telefonico valido!");
			telInfo.addClass("error");
			return false;
		}
    }
	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("Ok!");
			emailInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("Attenzione: digitare un indirizzo e-mail valido!");
			emailInfo.addClass("error");
			return false;
		}
	}
	function validateName(){
		//if it's NOT valid
		if(name.val().length < 4){
			name.addClass("error");
			nameInfo.text("Attenzione: digitare almeno 3 caratteri!");
			nameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("Ok!");
			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;
		}
	}
});