/*
* jQuery imclock plugin with serwer time synchronization
* Go to http://imlog.pl/2010/01/23/imclock-server-synchronized.html
* for more info and docummentation.
*
* Copyright (c) 2010 Ignacy Moryc  <imoryc@gmail.com>
* Licensed under the MIT License:
*   http://www.opensource.org/licenses/mit-license.php
*/

(function ($) {

    $.fn.imclock = function (options) {
        var settings = jQuery.extend({
            name: "defaultName",
            size: 5
        }, options);
        var version = '1.4.0';
        return $.fn.imclock.start($(this), null);
    };

    // TODO 2: sepparate time setting interval and clock starting
    $.fn.imclock.start = function (element, time) {
        if (time == null) {
            var time = $.fn.imclock.getServerTime(element);
            //var time = $(".time_href").val();
        }
        else {
            time.setSeconds(time.getSeconds() + 1);
        }
        var hours = time.getHours();
        var minutes = time.getMinutes();
        var seconds = time.getSeconds();

        if (minutes < 10) {
            minutes = '0' + minutes;
        }
        if (seconds < 10) {
            seconds = '0' + seconds;
        }

        element.html(hours + ":" + minutes + ":" + seconds);
        element.timerID = setTimeout(function () { $.fn.imclock.start(element, time); }, 1000);
    };

    // This is the function that gets the actual time from the server
    // time is expected to be returned as JSON data in field named "time"
    // For example the request could look like this:
    // {
    //  some_data: "lorem",
    //  time : 2010-12-12T12:23
    // }
    $.fn.imclock.getServerTime = function (element) {
        var time = null;
        if ($(".time_href").length) {
            var url = $(".time_href")[0].innerHTML;
            var t = $(".time_href").val();
            time = new Date(Date.parse(t));
            
            /*
            $.getJSON(url, function (data) {
            if (data) {
            time = new Date(Date.parse(data.time));
            }
            });
            */

        }
        if (time == null) {
            time = new Date();
        }
        return time;
    };

})(jQuery);