// 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/

function passwordStrength(password,name)
{
    score = 0

    //password < 6
    if (password.length < 6 ) { return -1 }

    //password == firstname
    if (password.toLowerCase()==name.toLowerCase()) return -2

    //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 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 numbers 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
}


// 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
}

function setDisplayName() {
	var display = '';
	if ($('#first_name').val()) {
		display = $('#first_name').val();
		if ($('#last_name').val()) {
			// display += ' ' + $('#last_name').val().substr(0,1).toUpperCase() + '.';
			display += ' ' + $('#last_name').val();
		}
	}
	$('#display_name').val(display);
}