// 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 = 'Очень короткий пароль'
var badPass = 'Уязвимый пароль'
var goodPass = 'Хороший пароль'
var strongPass = 'Безопасный пароль'



function passwordStrength(password)
{
	var ctlBar = gebi("chk_password_bar"); 
	var ctlText = gebi("chk_password_text");
  score = 0;
  //password < 4
  if (password.length < 6 ) {strColor = "red"; strText = shortPass; }
	else
	{
    //password == username
    //if (password.toLowerCase()==username.toLowerCase()) {strColor = "#ffd801"; return badPass;}
    
    //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 += 7 
    
    //password has Upper and Lower chars
    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  score += 15 
    
    //password has number and chars
    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  score += 17 
    //
    //password has number and symbol
    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/))  score += 17 
    
    //password has char and symbol
    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/))  score += 17 
    
    //password is just a nubers or chars
    if (password.match(/^\w+$/) || password.match(/^\d+$/) )  score -= 15 
    
    //verifing 0 < score < 100
    if ( score < 0 )  score = 0 
    if ( score > 100 )  score = 100 
    
    
    if (score > 57 ) {strColor = "#91BC52"; strText = strongPass;}
    else if (score > 20 ) {strColor = "orange"; strText = goodPass;}
    else {strColor = "#DEBD01"; strText = badPass; }

  }
  
  
	var wscore=score;
 	if (score < 10 )  {wscore=10}

	ctlBar.style.width = wscore + "%";
  ctlBar.style.backgroundColor = strColor;
  ctlText.innerHTML = "<span style='color: " + strColor + ";'>" + strText + "</span>";
  
  if (password.length == 0 ) {ctlBar.style.width="0%";  ctlText.innerHTML ="";}
  
}

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
}