$(document).ready(function() 
{
	var strPassword;
	var charPassword;
	var complexity = $(".register_pass_strength, #change_pass_strength");
	var minPasswordLength = 6;
	var baseScore = 0, score = 0;
	
	var num = {};
	num.Excess = 0;
	num.Upper = 0;
	num.Numbers = 0;
	num.Symbols = 0;

	var bonus = {};
	bonus.Excess = 3;
	bonus.Upper = 4;
	bonus.Numbers = 5;
	bonus.Symbols = 5;
	bonus.Combo = 0; 
	bonus.FlatLower = 0;
	bonus.FlatNumber = 0;
	
	outputResult();
	$("#register_pass, #change_pass").bind("keyup", checkVal);

function checkVal()
{	
	
	init();
	baseScore = 40;	
	analyzeString();	
	calcComplexity();
	
	outputResult();
}

function init()
{
	strPassword= $("#register_pass, #change_pass").val();
	charPassword = strPassword.split("");
		
	num.Excess = 0;
	num.Upper = 0;
	num.Numbers = 0;
	num.Symbols = 0;
	bonus.Combo = 0; 
	bonus.FlatLower = 0;
	bonus.FlatNumber = 0;
	baseScore = 0;
	score =0;
}

function analyzeString ()
{	
	for (i=0; i<charPassword.length;i++)
	{
		if (charPassword[i].match(/[A-Z]/g)) {num.Upper++;}
		if (charPassword[i].match(/[0-9]/g)) {num.Numbers++;}
		if (charPassword[i].match(/(.*[!,@,#,$,%,^,&,*,?,_,~])/)) {num.Symbols++;} 
	}
	
	num.Excess = charPassword.length - minPasswordLength;
	
	if (num.Upper && num.Numbers && num.Symbols)
	{
		bonus.Combo = 25; 
	}

	else if ((num.Upper && num.Numbers) || (num.Upper && num.Symbols) || (num.Numbers && num.Symbols))
	{
		bonus.Combo = 15; 
	}
	
	if (strPassword.match(/^[\sa-z]+$/))
	{ 
		bonus.FlatLower = -15;
	}
	
	if (strPassword.match(/^[\s0-9]+$/))
	{ 
		bonus.FlatNumber = -35;
	}
}
	
function calcComplexity()
{
	score = baseScore + (num.Excess*bonus.Excess) + (num.Upper*bonus.Upper) + (num.Numbers*bonus.Numbers) + (num.Symbols*bonus.Symbols) + bonus.Combo + bonus.FlatLower + bonus.FlatNumber;
	
}	
	
function outputResult()
{

	if ($('#register_pass').val() == "" || $('#change_pass').val() == "" )
	{
		score = 0;
	}
	else if (score>=100)
	{
		score = 100;
	}

	if (score<=10) {
		$('.password_strength_feedback').html('Very Weak');
	}
	else if (score<=40) {
		$('.password_strength_feedback').html('Weak');
	}
	else if (score<=60) {
		$('.password_strength_feedback').html('Medium');
	}
	else if (score<=75) {
		$('.password_strength_feedback').html('Average');
	}
	else if (score<=90) {
		$('.password_strength_feedback').html('Strong');
	}
	else if (score<=100) {
		$('.password_strength_feedback').html('Very Secure');
	}
	
	hue = Math.round(score*1.28);
	complexity.find('span').css('background', 'hsl('+hue+', 100%, 30%)');
	$('.password_strength_feedback').css('color', 'hsl('+hue+', 100%, 30%)');
	
	complexity.find('span').css('width',score+'%');
}

}
);