DSRPG Notifications

// ==UserScript==
// @name         DSRPG Notifications
// @namespace    http://tampermonkey.net/
// @version      0.3.14
// @description  People wanted some notifications.  This will notify you if your autos are under 10, or if a boss is spawning in <10 minutes!
// @author       Bysn
// @match        http*://www.dsrpg.co/m.php*
// @grant        none
// @run-at       document-end
// @require http://code.jquery.com/jquery-3.4.1.min.js
// ==/UserScript==

(function() {
	// Set this once upon script initialization
	var nextBossNotification = Date.now();
	var notifiedOfLowActions = false;

	function checkTheBusiness()
	{
		var $realContent = $('#main').contents().find('html') || $($('#main').contents().find('html'));
        var $chatContent = $('#chat-frame').contents().find('html') || $($('#chat-frame').contents().find('html'));

		var currentTime = Date.now();
		var notifications = [];

		if (nextBossNotification < currentTime)
		{
			// Parse the current server time, then use the values we need
			var date = $chatContent.find('#chat-top').text().match(/(\d+)-(\d+)-(\d+) (\d+):(\d+):(\d+)/);

			var currentHour = Number(date[4]);
			var currentMinute = Number(date[5]);

			if (currentHour % 3 == 2 && currentMinute >= 50)
			{
				notifications.push('a boss will spawn in less than 10 minutes');

				// Set a timer for when we can notify again
				// Bosses happen every 3 hours, so...
				// // 60 seconds * 60 minutes * 3 hours * 1000 ms
				nextBossNotification = currentTime + (60 * 60 * 3 * 1000);
			}
		}

		if (!notifiedOfLowActions)
		{
			var autoChecker = $realContent.find('.statautos').text();

			var parsed = autoChecker.match(/(\d+)\/(\d+)/);

			if (parsed)
			{
				var currentAutos = parsed[1];

				if (currentAutos < 10)
				{
					notifications.push('you are low on autos');
					notifiedOfLowActions = true;
				}
				else
				{
					notifiedOfLowActions = false;
				}
			}
		}

		if (notifications.length)
		{
			var complete_Message = add_Commas(notifications);
			var capitalized = complete_Message.charAt(0).toUpperCase() + complete_Message.slice(1);

			display_Notification(capitalized + '!');
		}

		setTimeout(function()
		{
			checkTheBusiness();
		}, 5000);
	}

	function display_Notification(message)
	{
		var notification;

		if (!("Notification" in window))
		{
			// Do nothing
			return;
		}

		if (Notification.permission === "granted")
		{
			notification = new Notification("DSRPG", { body: message, icon: "favicon.ico" });
		}
		else if (Notification.permission !== "denied")
		{
			Notification.requestPermission().then(function(permission)
			{
				if (permission === "granted")
				{
					notification = new Notification("DSRPG", { body: message, icon: "favicon.ico" });
				}
			});
		}

		if (notification)
		{
			notification.onclick = function()
			{
				window.focus();
			}
		}
	}

	function add_Commas(list)
	{
		if (!Array.isArray(list)) { return list; }

		var start = list.slice(0, -1);
		var one = start.join(', ');
		var two = [one].concat(list.slice(-1)).join('');

		var result = [list.slice(0, -1).join(', ')]
			.concat(list.slice(-1)).filter(function(el) { return el != ''; });

		return result.join(
			(result.length == 2 && start.length > 1 ? ', and ' : ' and ')
		);
	}

	setTimeout(function()
	{
		checkTheBusiness();
	}, 5000);
})();