// ==UserScript==
// @name         Reveal Spoiler Images (Dynamic)
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Replaces spoiler images with real thumbnails even on auto-updating sites
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    function replaceSpoilerImages(root = document) {
        const links = root.querySelectorAll('a.imgLink');

        links.forEach(link => {
            const img = link.querySelector('img');
            if (!img) return;

            // Already processed
            if (img.dataset.spoilerHandled === 'true') return;

            if (img.src.includes('/spoiler.png')) {
                const href = link.getAttribute('href');
                const filename = href.split('/').pop();
                const thumbSrc = `/.media/${filename}`;
                img.src = thumbSrc;
                img.dataset.spoilerHandled = 'false'; // Prevent reprocessing
            }
        });
    }

    // Run on initial load
    replaceSpoilerImages();

    // Set up MutationObserver to watch for new nodes
    const observer = new MutationObserver(mutations => {
        for (const mutation of mutations) {
            mutation.addedNodes.forEach(node => {
                if (node.nodeType === 1) { // ELEMENT_NODE
                    // If the node itself might be a spoiler, or contains some
                    replaceSpoilerImages(node);
                }
            });
        }
    });

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