/**
 * Waiter to handle seasonal events and easter eggs.
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2016
 * @license Apache-2.0
 *
 * @constructor
 * @param {App} app - The main view object for CyberChef.
 * @param {Manager} manager - The CyberChef event manager.
 */
const SeasonalWaiter = function(app, manager) {
    this.app = app;
    this.manager = manager;
};


/**
 * Loads all relevant items depending on the current date.
 */
SeasonalWaiter.prototype.load = function() {
    // Konami code
    this.kkeys = [];
    window.addEventListener("keydown", this.konamiCodeListener.bind(this));
};


/**
 * Listen for the Konami code sequence of keys. Turn the page upside down if they are all heard in
 * sequence.
 * #konamicode
 */
SeasonalWaiter.prototype.konamiCodeListener = function(e) {
    this.kkeys.push(e.keyCode);
    const konami = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65];
    for (let i = 0; i < this.kkeys.length; i++) {
        if (this.kkeys[i] !== konami[i]) {
            this.kkeys = [];
            break;
        }
        if (i === konami.length - 1) {
            $("body").children().toggleClass("konami");
            this.kkeys = [];
        }
    }
};

export default SeasonalWaiter;