define('jira/jquery/plugins/livestamp/livestamp', ['jquery', 'jira/moment', 'jira/util/data/meta', 'jira/jquery/plugins/livestamp/time'], function ($, moment, Meta, Time) {

    "use strict";

    var timeout,
        updateInterval = 6000,
        relativize = Meta.getBoolean("date-relativize"),
        livestamps = [],
        prep = function prep($el, timestamp) {
        $el.data("livestampdata", timestamp);
        livestamps.push($el);
    },
        run = function run() {
        clearTimeout(timeout);
        update();
        timeout = setTimeout(run, updateInterval);
    },
        update = function update() {
        livestamps = $.grep(livestamps, function ($el) {
            var timestamp = $el.data("livestampdata"),
                forceRelativize = $el.data('relativize'),
                from,
                to;
            if (!moment.isMoment(timestamp) || !$el.closest("html").length) {
                $el.removeData("livestampdata");
            } else {
                from = $el.text();
                var tsFormat = $el.data("datetime-format");

                tsFormat = tsFormat ? tsFormat : "fullAge"; // TODO We should transition to longAge.
                if (!(relativize || forceRelativize)) {
                    // We should try not to have any tsFormats like 'AgeAge'
                    tsFormat = tsFormat.replace("Age", "");
                }

                to = Time.formatDate(timestamp, Time.FormatType.types[tsFormat], forceRelativize);

                if (from !== to) {
                    $el.text(to);
                }
            }
            return !!$el.data("livestampdata");
        });
    },
        add = function add($el) {
        $el.each(function () {
            var $this = $(this),
                timestamp = $this.attr("datetime");
            if (timestamp) {
                //reset the timezone to what's specified by the timestamp
                var timestampMoment = isNaN(timestamp) ?
                // assuming iso8601 timestamp, let moment#utcOffset() handle it
                moment(timestamp).utcOffset(timestamp) :
                // unix epoch timestamp (in milli-seconds)
                moment(parseInt(timestamp, 10));
                prep($this, timestampMoment);
            }
        });
        run();
        return $el;
    };

    $.fn.livestamp = function () {
        return add(this);
    };

    return add;
});

// Make extension available in global scope immediately / synchronously.
// TODO INC-71 - remove synchronous require
(function () {
    require('jira/jquery/plugins/livestamp/livestamp');
})();