/**
 * jQuery Odometer Ticker Pligun
 * Inspired by http://developer.mindtouch.com/User:Howleyda/Plain_Ticker
 * and adapted by me for use as a jQuery plugin. Patch submitted by Evan Rowe
 * from http://www.copio.us/team/#/view-bio/evan-rowe for setting height of
 * image and pulling it in for proper comma placement and animation. Thanks Evan.
 * @name jquery.odoticker.js
 * @author Don Gilbert - http://www.electriceasel.com/team-member/don-gilbert
 * @version 2.1
 * @date April 18, 2011
 * @category jQuery plugin
 * @copyright (c) 2011 Don Gilbert (dongilbert.net)
 * @license Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)  - http://creativecommons.org/licenses/by-sa/3.0/
 * @example Visit http://www.electriceasel.com/team-member/don-gilbert for more informations about this jQuery plugin
 */

// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {

    $.fn.odoTicker = function(options) {

        var element = this;

        var defaults = {
            number: 99999,
            height: 28,
            speed: 1500
        };

        var options = $.extend(defaults, options);

        //todo - allow users to set the number within the counterWrap

        return this.each(function() {
            var $this = $(this); // store the actual counter

            element.addClass('odoTicker');

            loadTicker();

            function loadTicker() {
                var ticnum = options.number;
                var fticnum = addCommas(ticnum);
                addTicker(fticnum);
                if (ticnum && ticnum != 0) {
                    var s = String(fticnum);
                    for (i = s.length; i >= 0; i--) {
                        var onum = s.charAt(i);
                        element.children("div[rel='num" + i + "']").attr('value', onum);
                    }
                    element.children('.odoNumber').each(function() {
                        var nval = $(this).attr('value');
                        if (!isNaN(nval)) {
                            var nheight = Number(nval) * options.height * -1;
                            $(this).animate({ top: nheight + 'px' }, options.speed);
                        }
                        if (nval == ',') {
                            // Thanks Evan :D
                            var _animateComma = options.height * 10;
                            $(this).animate({ top: '-' + _animateComma + 'px' }, options.speed);
                        }
                    });
                }
            };

            function addTicker(newnum) {
                var digitcnt = element.children(".odoNumber").size();
                var nnum = String(newnum).length;
                var digitdiff = Number(nnum - Number(digitcnt));
                if (digitdiff < 0) {
                    var ltdig = (Number(nnum) - 1);
                    element.children(".odoNumber:gt(" + ltdig + ")").remove();
                }
                for (i = 1; i <= digitdiff; i++) {
                    element.append('<div class="odoNumber" rel="num' + (Number(digitcnt + i - 1)) + '">&nbsp;</div>');
                }
            }

            function addCommas(nStr) {
                return nStr;
                nStr += '';
                x = nStr.split('.');
                x1 = x[0];
                x2 = x.length > 1 ? '.' + x[1] : '';
                var rgx = /(\d+)(\d{3})/;
                while (rgx.test(x1)) {
                    x1 = x1.replace(rgx, '$1' + ',' + '$2');
                }
                return x1 + x2;
            }

            advanceCounter = function() {
                options.number += 1;
                loadTicker();
            }
            
            $(element).bind("advanceCounter", advanceCounter);

            rollbackCounter = function() {
                options.number -= 1;
                if (options.number < 0) options.number = 0;
                loadTicker();
            }

            $(element).bind("rollbackCounter", rollbackCounter);
        });

    };

})(jQuery);