// ==UserScript==
// @name         Fat Retard
// @namespace    http://tampermonkey.net/
// @version      6.66
// @description  Removes &list=RD...&start_radio=1 from YouTube video URLs BEFORE YouTube loads video via internal navigation. Prevents autoplay radio mode from triggering ever again, even on clicks inside YouTube SPA interface.
// @author       You
// @match        *://www.youtube.com/*
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const cleanAndRedirect = (urlStr) => {
        const url = new URL(urlStr);
        const list = url.searchParams.get('list');
        const startRadio = url.searchParams.get('start_radio');

        if ((list && list.startsWith('RD')) || startRadio === '1') {
            url.searchParams.delete('list');
            url.searchParams.delete('start_radio');
            const cleanUrl = url.toString();
            if (cleanUrl !== location.href) {
                console.log('🛑 Detected RD playlist — redirecting to clean URL...');
                location.href = cleanUrl;
            }
        }
    };

    cleanAndRedirect(location.href);

    window.addEventListener('yt-navigate-start', () => {
        cleanAndRedirect(location.href);
    });

    const originalPushState = history.pushState;
    history.pushState = function (...args) {
        originalPushState.apply(this, args);
        cleanAndRedirect(location.href);
    };

    const originalReplaceState = history.replaceState;
    history.replaceState = function (...args) {
        originalReplaceState.apply(this, args);
        cleanAndRedirect(location.href);
    };

    window.addEventListener('popstate', () => {
        cleanAndRedirect(location.href);
    });
})();