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

    "use strict";

    var UPDATE_INTERVAL = 6000;

    var relativize = Meta.getBoolean("date-relativize");

    skate('livestamp', {
        type: skate.type.CLASSNAME,

        prototype: {
            update: function() {
                var $this = $(this);
                var forceRelativize = $this.data('relativize');

                var timestamp = $this.attr("datetime");
                if (timestamp) {
                    //reset the timezone to what's specified by the timestamp
                    timestamp = isNaN(timestamp) ?
                        // assuming iso8601 timestamp, let moment#zone() handle it
                        moment(timestamp).zone(timestamp) :
                        // unix epoch timestamp (in milli-seconds)
                        moment(parseInt(timestamp, 10))
                    ;

                    if (moment.isMoment(timestamp) && timestamp.isValid()) {
                        var tsFormat = $this.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", "");
                        }

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

                        if ($this.text() !== to) {
                            $this.text(to);
                        }
                        return true;
                    }
                }
                return false;
            },

            onTimeout: function() {
                if (this.timerId) {
                    clearTimeout(this.timerId);
                    this.timerId = false;
                }
                var ok = this.update();
                if (ok) {
                    this.timerId = setTimeout(this.onTimeout.bind(this), UPDATE_INTERVAL);
                }
            }
        },

        //
        // Event listeners
        //
        // On attribute updated
        attributes: function(elem) {
            elem.onTimeout();
        },

        attached: function(elem) {
            elem.onTimeout();
        },

        detached: function(elem) {
            clearTimeout(elem.timerId);
            elem.timerId = false;
        }
    });

    // @Deprecated
    $.fn.livestamp = function () {
        return this;
    };
});

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