/*
 * jQuery validate.password plug-in 1.0
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validate.password/
 *
 * Copyright (c) 2009 Jörn Zaefferer
 *
 * $Id$
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
(function($) {

	var LOWER = /[a-z]/,
		UPPER = /[A-Z]/,
		DIGIT = /[0-9]/,
		DIGITS = /[0-9].*[0-9]/,
		SPECIAL = /[^a-zA-Z0-9]/,
		SAME = /^(.)\1+$/;

	function rating(rate, message) {
		return {
			rate: rate,
			messageKey: message
		};
	}

	function uncapitalize(str) {
		return str.substring(0, 1).toLowerCase() + str.substring(1);
	}

	$.validator.passwordRating = function(password, username) {
		if (!password || password.length < 6)
			return rating(0, "too-short");
		if (username && password.toLowerCase().match(username.toLowerCase()))
			return rating(0, "similar-to-username");
		if ($.inArray(password.toLowerCase(), $.validator.passwordRating.BANNED_PASSWORDS) >= 0) {
		    return rating(1, "very-weak");
		}
		if (SAME.test(password))
			return rating(1, "very-weak");

		var lower = LOWER.test(password),
			upper = UPPER.test(uncapitalize(password)),
			digit = DIGIT.test(password),
			digits = DIGITS.test(password),
			special = SPECIAL.test(password);

		if (((lower && upper && digit || lower && digit && special || upper && digit && special) && password.length>=8) || password.length>=20)
			return rating(4, "strong");
		if ((lower && upper || lower && digit || upper && digit || lower && special || digit && special) && password.length>6)
			return rating(3, "good");
		return rating(2, "weak");
	};


	$.validator.passwordRating.BANNED_PASSWORDS = ["111111","11111111","112233","121212","123123","123456","1234567","12345678","131313","232323","654321","666666","696969","777777","7777777","8675309","987654","aaaaaa","abc123","abc123","abcdef","abgrtyu","access","access14","action","albert","alexis","amanda","amateur","andrea","andrew","angela","angels","animal","anthony","apollo","apples","arsenal","arthur","asdfgh","asdfgh","ashley","asshole","august","austin","badboy","bailey","banana","barney","baseball","batman","beaver","beavis","bigcock","bigdaddy","bigdick","bigdog","bigtits","birdie","bitches","biteme","blazer","blonde","blondes","blowjob","blowme","bond007","bonnie","booboo","booger","boomer","boston","brandon","brandy","braves","brazil","bronco","broncos","bulldog","buster","butter","butthead","calvin","camaro","cameron","canada","captain","carlos","carter","casper","charles","charlie","cheese","chelsea","chester","chicago","chicken","cocacola","coffee","college","compaq","computer","cookie","cooper","corvette","cowboy","cowboys","crystal","cumming","cumshot","dakota","dallas","daniel","danielle","debbie","dennis","diablo","diamond","doctor","doggie","dolphin","dolphins","donald","dragon","dreams","driver","eagle1","eagles","edward","einstein","erotic","extreme","falcon","fender","ferrari","firebird","fishing","florida","flower","flyers","football","forever","freddy","freedom","fucked","fucker","fucking","fuckme","fuckyou","gandalf","gateway","gators","gemini","george","giants","ginger","golden","golfer","gordon","gregory","guitar","gunner","hammer","hannah","hardcore","harley","heather","helpme","hentai","hockey","hooters","horney","hotdog","hunter","hunting","iceman","iloveyou","internet","iwantu","jackie","jackson","jaguar","jasmine","jasper","jennifer","jeremy","jessica","johnny","johnson","jordan","joseph","joshua","junior","justin","killer","knight","ladies","lakers","lauren","leather","legend","letmein","letmein","little","london","lovers","maddog","madison","maggie","magnum","marine","marlboro","martin","marvin","master","matrix","matthew","maverick","maxwell","melissa","member","mercedes","merlin","michael","michelle","mickey","midnight","miller","mistress","monica","monkey","monkey","monster","morgan","mother","mountain","muffin","murphy","mustang","naked","nascar","nathan","naughty","ncc1701","newyork","nicholas","nicole","nipple","nipples","oliver","orange","packers","panther","panties","parker","password","password","password1","password12","password123","patrick","peaches","peanut","pepper","phantom","phoenix","player","please","pookie","porsche","prince","princess","private","purple","pussies","qazwsx","qwerty","qwertyui","rabbit","rachel","racing","raiders","rainbow","ranger","rangers","rebecca","redskins","redsox","redwings","richard","robert","rocket","rosebud","runner","rush2112","russia","samantha","sammy","samson","sandra","saturn","scooby","scooter","scorpio","scorpion","secret","sexsex","shadow","shannon","shaved","sierra","silver","skippy","slayer","smokey","snoopy","soccer","sophie","spanky","sparky","spider","squirt","srinivas","startrek","starwars","steelers","steven","sticky","stupid","success","suckit","summer","sunshine","superman","surfer","swimming","sydney","taylor","tennis","teresa","tester","testing","theman","thomas","thunder","thx1138","tiffany","tigers","tigger","tomcat","topgun","toyota","travis","trouble","trustno1","tucker","turtle","twitter","united","vagina","victor","victoria","viking","voodoo","voyager","walter","warrior","welcome","whatever","william","willie","wilson","winner","winston","winter","wizard","xavier","xxxxxx","xxxxxxxx","yamaha","yankee","yankees","yellow","zxcvbn","zxcvbnm","zzzzzz"];

	$.validator.passwordRating.messages = {
		"similar-to-username": "Invalid",
		"too-short": "Too Short",
		"very-weak": "Invalid",
		"weak": "Weak",
		"good": "OK",
		"strong": "Strong"
	};
	$.validator.passwordRating.errorMessages = {
		"similar-to-username": "Password must be different from username.",
		"very-weak": "Be secure. Don't use a too obvious password.",
		"too-short": "Be secure. Enter at least 6 characters for your password."
	};

	$.validator.addMethod("password", function(value, element, usernameField) {
		// use untrimmed value
		var password = element.value;

		// get username for comparison, if specified
		var username = $(typeof usernameField != "boolean" ? usernameField : []);

		var rating = $.validator.passwordRating(password, username.val());
		// update message for this field

		var meter = $(".password-meter", element.form);

		meter.find(".password-meter-message")
		.removeClass()
		.addClass("password-meter-message")
		.addClass("password-meter-message-" + rating.messageKey)
		.text($.validator.passwordRating.messages[rating.messageKey]);
		// display process bar instead of error message

		if (rating.rate <= 1) {
		    this.settings.messages[element.name].password =
			$.validator.passwordRating.errorMessages[rating.messageKey];
		}

		return rating.rate > 1;
	    },
	    "&nbsp;"
	    );
	// manually add class rule, to make username param optional
	$.validator.classRuleSettings.password = { password: true };

})(jQuery);