Rogue Fitness Alternative Stock Notifier

// ==UserScript==
// @name         Rogue Fitnes Alternative Stock Notifier
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Notifier for Rogue Fitness Stock
// @author       dhillonsh
// @match        https://www.roguefitness.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var browserAlert = function () {
        var oldTitle = document.title;
        var msg = "New!";
        var timeoutId;
        var blink = function() { document.title = document.title == msg ? ' ' : msg; };
        var clear = function() {
            clearInterval(timeoutId);
            document.title = oldTitle;
            window.onmousemove = null;
            timeoutId = null;
        };
        return function () {
            if (!timeoutId) {
                timeoutId = setInterval(blink, 1000);
                window.onmousemove = clear;
            }
        };
    };

    var productNotification = function () {
        console.log("Product available.");
        browserAlert();

        var player = document.createElement('audio');
        player.src = 'https://notificationsounds.com/soundfiles/a86c450b76fb8c371afead6410d55534/file-sounds-1108-slow-spring-board.mp3';
        player.preload = 'auto';
        player.play()

        var xhttp = new XMLHttpRequest();
        xhttp.open("GET", "http://localhost:8080/?title=" + document.title, true);
        xhttp.send();
    };

    var refresh = function() {
        var seconds = 30;
        setTimeout(function() {
            var params = new URLSearchParams(window.location.search);
            var new_url = window.location.href.split('?')[0];
            if(params.get("iteration") === null) {
                new_url = new_url + "?iteration=1";
            } else {
                new_url = new_url + "?iteration=" + (parseInt(params.get("iteration")) + 1);
            }
            window.location.replace(new_url);
        }, seconds * 1000);
    };

    var productIDs = {
        // Product ID
        "87425": { // Monster Utility Bench 2.0

            // Discriminator for an attribute
            "4326": { // Bench Height

                // Discriminator for the value within the option
                "6127": [ // Shorty Height

                    // Discriminator for additional options
                    "6129", // Standard Pad
                    "6131", // Competition Pad
                    "6133" // Thompson Fat Pad
                ]
            }
        }
    };

    for(var productID in productIDs) {
        var product = document.getElementsByClassName("product-purchase-wrapper-" + productID);

        if(product.length === 0) return;

        console.log("Found product on page: " + productID);

        product = product[0];

        var productAttributes = window["spConfig" + productID].config.attributes
        // Iterate over the attributes we care about
        for(var attribute in productIDs[productID]) {
            var desiredOptions = productIDs[productID][attribute];

            // Iterate over all possible options for this attribute
            productAttributes[attribute].options.forEach((option) => {
             // If this is an option we're actually monitoring
                if(Object.keys(desiredOptions).includes(option.id)) {
                    console.log("Found specific combination on page: ProductID=" + productID + " | Attribute=" + attribute + " | Option=" + option.id);

                    // Iterate over the additional options we care about
                    productIDs[productID][attribute][option.id].forEach((additional_option) => {
                        console.log("Found specific combination on page: ProductID=" + productID + " | Attribute=" + attribute + " | Option=" + option.id + " | AdditionalOption=" + additional_option);
                        if(option.additional_options[option.id + "," + additional_option].isInStock === true) {
                            productNotification();
                        }
                    });
                }
            });
        }

       console.log("Product not available.");
       refresh();
    };

})();