// ==UserScript==
// @name         Google广告 全网站广告拦截
// @namespace    https://openuserjs.org/scripts/ner0/Google_AdSense_Ads_Remover
// @version      1.0.0
// @description  拦截所有网站的Google AdSense广告，移除广告节点，阻止广告脚本加载
// @author       ner0 & 社区优化
// @match        *://*/*
// @grant        none
// @license      MIT
// @run-at       document-start
// @downloadURL https://update.greasyfork.icu/scripts/575420/Google%E5%B9%BF%E5%91%8A%20%E5%85%A8%E7%BD%91%E7%AB%99%E5%B9%BF%E5%91%8A%E6%8B%A6%E6%88%AA.user.js
// @updateURL https://update.greasyfork.icu/scripts/575420/Google%E5%B9%BF%E5%91%8A%20%E5%85%A8%E7%BD%91%E7%AB%99%E5%B9%BF%E5%91%8A%E6%8B%A6%E6%88%AA.meta.js
// ==/UserScript==

(function() {
    'use strict';

    // 1. 拦截Google广告脚本加载
    const blockAdScripts = () => {
        const adScripts = document.querySelectorAll('script');
        adScripts.forEach(script => {
            // 匹配Google广告核心脚本域名
            if (
                script.src.includes('pagead2.googlesyndication.com') ||
                script.src.includes('adsbygoogle.js') ||
                script.src.includes('googleads.g.doubleclick.net') ||
                script.src.includes('static.doubleclick.net')
            ) {
                script.remove();
                script.type = 'javascript/blocked'; // 阻止脚本执行
                console.log('已拦截Google广告脚本:', script.src);
            }
        });
    };

    // 2. 移除已渲染的广告节点
    const removeAdNodes = () => {
        const adSelectors = [
            'ins.adsbygoogle', // AdSense核心广告容器
            'div[id*="google_ads_"]',
            'div[class*="google-ad"]',
            'iframe[src*="doubleclick.net"]',
            'iframe[src*="googleadservices.com"]',
            'div[data-google-av-ad-container]',
        ];

        adSelectors.forEach(selector => {
            const ads = document.querySelectorAll(selector);
            ads.forEach(ad => ad.remove());
        });
    };

    // 页面加载早期拦截脚本
    document.addEventListener('beforescriptexecute', (e) => {
        const src = e.target.src;
        if (
            src.includes('pagead2.googlesyndication.com') ||
            src.includes('adsbygoogle.js') ||
            src.includes('doubleclick.net')
        ) {
            e.preventDefault();
            e.stopPropagation();
            console.log('已提前阻止Google广告脚本执行');
        }
    });

    // 全周期执行拦截
    window.addEventListener('DOMContentLoaded', () => {
        blockAdScripts();
        removeAdNodes();
    });
    window.addEventListener('load', () => {
        blockAdScripts();
        removeAdNodes();
    });

    // 动态监听拦截
    const observer = new MutationObserver(() => {
        blockAdScripts();
        removeAdNodes();
    });
    observer.observe(document.documentElement, {
        childList: true,
        subtree: true
    });

})();