// Password strength meter
// This jQuery plugin is written by firas kassem [2007.04.05]
// Firas Kassem  phiras.wordpress.com || phiras at gmail {dot} com
// for more information : http://phiras.wordpress.com/2007/04/08/password-strength-meter-a-jquery-plugin/

var shortPass = 'كلمة السر ضعيفة'
var badPass = 'كلمة السر ضعيفة'
var goodPass = 'كلمة السر جيدة'
var strongPass = 'كلمة السر قوية'
var nullPass = ''
var shortPassClassName = 'redPassword'
var badPassClassName = 'orangePassword'
var goodPassClassName = 'yellowPassword'
var strongPassClassName = 'greenPassword'
function getPAsswordScore(password,username)
{
		//blank password
	   score = 0
	   if (password.length == 0 ) {return 0}
	   if (password.length < 1 ) {return 4}
	    //password < 4
	    if (password.length < 4 ) { return 14 }

	    //password == username
	    if (password.toLowerCase()==username.toLowerCase()) return 33

	    //password length
	    score += password.length * 4
	    score += ( checkRepetition(1,password).length - password.length ) * 1
	    score += ( checkRepetition(2,password).length - password.length ) * 1
	    score += ( checkRepetition(3,password).length - password.length ) * 1
	    score += ( checkRepetition(4,password).length - password.length ) * 1

	    //password has 3 numbers
	    if (password.match(/(.*[0-9].*[0-9].*[0-9])/))  score += 5

	    //password has 2 sybols
	    if (password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) score += 5

	    //password has Upper and Lower chars
	    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  score += 10

	    //password has number and chars
	    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  score += 15
	    //
	    //password has number and symbol
	    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/))  score += 15

	    //password has char and symbol
	    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/))  score += 15

	    //password is just a nubers or chars
	    if (password.match(/^\w+$/) || password.match(/^\d+$/) )  score -= 10

	    //verifing 0 < score < 100
	    if ( score < 0 )  score = 0
	    if ( score > 100 )  score = 100

	    return score;
}

function getClassName(password,username)
{
	var score= getPAsswordScore(password,username);
	if (score==0) {return null}
	if (score < 5 ) { return shortPassClassName}
	if (score < 15 ) { return shortPassClassName}
    if (score < 34 )  { return badPassClassName}
    if (score < 68 )  { return goodPassClassName}

    return strongPassClassName
}
function passwordStrength(password,username)
{

	var score= getPAsswordScore(password,username);
		if (score==0) {return null}
		if (score < 15 )  return shortPass
	    if (score < 34 )  return badPass
	    if (score < 68 )  return goodPass
	    return strongPass
}


// checkRepetition(1,'aaaaaaabcbc')   = 'abcbc'
// checkRepetition(2,'aaaaaaabcbc')   = 'aabc'
// checkRepetition(2,'aaaaaaabcdbcd') = 'aabcd'

function checkRepetition(pLen,str) {
    res = ""
    for ( i=0; i<str.length ; i++ ) {
        repeated=true
        for (j=0;j < pLen && (j+i+pLen) < str.length;j++)
            repeated=repeated && (str.charAt(j+i)==str.charAt(j+i+pLen))
        if (j<pLen) repeated=false
        if (repeated) {
            i+=pLen-1
            repeated=false
        }
        else {
            res+=str.charAt(i)
        }
    }
    return res
}






jQuery(document).ready(function() {
	jQuery("#progressbar").progressbar({ value: 0 });
	jQuery('#password').keypress(function(){
									var passwordscore=	getPAsswordScore(jQuery('#password').val(),jQuery('#username').val());
									if(passwordscore >68 ){
										passwordscore = 100;
									}
									document.getElementById("progressbar").style.display="block";
									jQuery("#progressbar").progressbar("option", "value", passwordscore);
									jQuery('#result').html(passwordStrength(jQuery('#password').val(),jQuery('#username').val()));



									var arrayOfClasses = jQuery("#result").attr('class').split(' ');

									jQuery('#result').removeClass(arrayOfClasses);

									jQuery('#result').addClass(getClassName(jQuery('#password').val(),jQuery('#username').val()));
									if(passwordscore==0){
										document.getElementById("progressbar").style.display="none";
									}
										})

});