var Class = require('../utils/Class');
var PluginManager = require('../plugins/PluginManager');
var UpdateList = require('./UpdateList');

var UpdateListPlugin = new Class({

    Extends: UpdateList,

    initialize:

    function UpdateListPlugin (scene)
    {
        this.scene = scene;

        this.systems = scene.sys;

        if (!scene.sys.settings.isBooted)
        {
            scene.sys.events.once('boot', this.boot, this);
        }

        UpdateList.call(this);
    },

    boot: function ()
    {
        var eventEmitter = this.systems.events;

        eventEmitter.on('preupdate', this.preUpdate, this);
        eventEmitter.on('update', this.update, this);
        eventEmitter.on('shutdown', this.shutdown, this);
        eventEmitter.on('destroy', this.destroy, this);
    },

    destroy: function ()
    {
        this.shutdown();

        this.scene = undefined;
    }

});

PluginManager.register('UpdateListPlugin', UpdateListPlugin, 'updateList');

module.exports = UpdateListPlugin;