Emforus, Help Me!

Adds a guide button to Crimes 2.0 pages to open a new tab with Emforus guide
Ask a question, post a review, or report the script.
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// ==UserScript==
// @name         Emforus, Help Me!
// @namespace    torn
// @version      1.0
// @description  Adds a guide button to Crimes 2.0 pages to open a new tab with Emforus guide
// @match        https://www.torn.com/page.php?sid=crimes*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const GUIDES = {
        searchforcash: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16343473',
        bootlegging: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16341811',
        graffiti: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16344567',
        shoplifting: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16346491',
        pickpocketing: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16358739',
        cardskimming: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16350490',
        burglary: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16353303',
        hustling: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16363421',
        disposal: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16367936',
        cracking: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16373016',
        forgery: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16388086',
        scamming: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16418415',
        arson: 'https://www.torn.com/forums.php#/p=threads&f=61&t=16510947'
    };

    function getCrimeFromUrl() {
        const match = location.hash.match(/#\/([^/?]+)/);
        return match ? match[1].toLowerCase() : null;
    }

    function findCrimeHeader() {
        const crime = getCrimeFromUrl();
        if (!crime) return null;

        return [...document.querySelectorAll('h4')]
            .find(h4 => {
                const header = h4.parentElement;
                if (!header) return false;

                const hasBackLink = !!header.querySelector('a[href="#/"]');
                const titleMatchesCrime = h4.textContent
                    .trim()
                    .replace(/\s+/g, '')
                    .toLowerCase() === crime;

                return hasBackLink && titleMatchesCrime;
            })?.parentElement || null;
    }

    function addGuideButton() {
        const existing = document.getElementById('crime-guide-button');
        if (existing) existing.remove();

        const crime = getCrimeFromUrl();
        if (!crime || !GUIDES[crime]) return;

        const header = findCrimeHeader();
        if (!header) return;

        const title = header.querySelector('h4');
        const backLink = header.querySelector('a[href="#/"]');

        if (!title || !backLink) return;

        const button = document.createElement('a');
        button.id = 'crime-guide-button';
        button.href = GUIDES[crime];
        button.target = '_blank';
        button.rel = 'noopener noreferrer';
        button.title = 'Open Emforus guide';
        button.textContent = '?';

        button.style.cssText = `
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            margin-left: 8px;
            margin-right: auto;
            border-radius: 50%;
            background: #3b82f6;
            color: white;
            font-size: 14px;
            line-height: 1;
            font-weight: bold;
            text-decoration: none;
            cursor: pointer;
            flex-shrink: 0;
            box-sizing: border-box;
        `;

        title.insertAdjacentElement('afterend', button);
    }

    let lastHash = '';

    function checkPage() {
        if (location.hash !== lastHash) {
            lastHash = location.hash;
            setTimeout(addGuideButton, 300);
            return;
        }

        if (!document.getElementById('crime-guide-button')) {
            addGuideButton();
        }
    }

    const observer = new MutationObserver(() => {
        checkPage();
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

    window.addEventListener('hashchange', () => {
        setTimeout(addGuideButton, 300);
    });

    checkPage();
})();