AFK macro

Toggle with F8, periodically sends keyboard inputs in to prevent AFK kicking
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// ==UserScript==
// @name         AFK macro
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Toggle with F8, periodically sends keyboard inputs in to prevent AFK kicking
// @author       Qwerty Matthew
// @match        https://minefun.io/*
// @match        https://*.minefun.io/*
// @match        http://minefun.io/*
// @match        http://*.minefun.io/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=minefun.io
// @grant        none
// @run-at       document-idle
// @license      ISC
// ==/UserScript==
// ==UserScript==

(function () {
    'use strict';

    let afkActive = false;
    let timerId = null;
    let notifyTimeout = null;

    // Create Screen Notification Overlay
    const notifyBox = document.createElement('div');
    notifyBox.style.position = 'fixed';
    notifyBox.style.bottom = '20px';
    notifyBox.style.left = '20px';
    notifyBox.style.padding = '10px 18px';
    notifyBox.style.borderRadius = '8px';
    notifyBox.style.fontWeight = 'bold';
    notifyBox.style.fontSize = '14px';
    notifyBox.style.fontFamily = 'sans-serif';
    notifyBox.style.color = '#ffffff';
    notifyBox.style.zIndex = '999999';
    notifyBox.style.display = 'none';
    notifyBox.style.opacity = '0';
    notifyBox.style.transition = 'opacity 0.2s ease';
    notifyBox.style.pointerEvents = 'none';
    document.body.appendChild(notifyBox);

    function showNotification(text, isActive) {
        if (notifyTimeout) {
            clearTimeout(notifyTimeout);
        }

        notifyBox.textContent = text;
        notifyBox.style.backgroundColor = isActive ? 'rgba(46, 204, 113, 0.85)' : 'rgba(231, 76, 60, 0.85)';
        notifyBox.style.display = 'block';

        setTimeout(() => {
            notifyBox.style.opacity = '1';
        }, 10);

        // Hide after 1.5 seconds
        notifyTimeout = setTimeout(() => {
            notifyBox.style.opacity = '0';
            setTimeout(() => {
                notifyBox.style.display = 'none';
            }, 200);
        }, 1500);
    }

    function getRandomInt(min, max) {
        return Math.floor(Math.random() * (max - min + 1)) + min;
    }

    function scheduleNextAction() {
        if (!afkActive) return;
        const nextInterval = getRandomInt(30000, 45000);
        timerId = setTimeout(triggerAFKMovement, nextInterval);
    }

    function triggerAFKMovement() {
        if (!afkActive) return;

        const keyCode = Math.random() > 0.5 ? 'KeyW' : 'KeyS';
        const target = document.querySelector('canvas') || window;

        target.dispatchEvent(new KeyboardEvent('keydown', { code: keyCode, key: keyCode === 'KeyW' ? 'w' : 's', bubbles: true }));

        setTimeout(() => {
            target.dispatchEvent(new KeyboardEvent('keyup', { code: keyCode, key: keyCode === 'KeyW' ? 'w' : 's', bubbles: true }));
        }, getRandomInt(100, 200));

        if (Math.random() > 0.5) {
            setTimeout(() => {
                target.dispatchEvent(new KeyboardEvent('keydown', { code: 'Space', key: ' ', bubbles: true }));
                setTimeout(() => {
                    target.dispatchEvent(new KeyboardEvent('keyup', { code: 'Space', key: ' ', bubbles: true }));
                }, getRandomInt(80, 150));
            }, 250);
        }

        scheduleNextAction();
    }

    window.addEventListener('keydown', (e) => {
        if (document.activeElement && (document.activeElement.tagName === 'INPUT' || document.activeElement.tagName === 'TEXTAREA')) {
            return;
        }

        if (e.key === 'F8') {
            e.preventDefault();
            afkActive = !afkActive;

            if (afkActive) {
                showNotification('AFK Macro: ACTIVE', true);
                scheduleNextAction();
            } else {
                showNotification('AFK Macro: OFF', false);
                clearTimeout(timerId);
            }
        }
    });
})();