// ==UserScript==
// @name             哔哩哔哩广告隐藏（优化版）
// @name:zh-CN       哔哩哔哩广告隐藏（优化版）
// @namespace        http://tampermonkey.net/
// @version          1.0.0
// @author           RTX9090
// @description      Automatically hide various ads and promotional sections on Bilibili to provide a cleaner browsing experience.
// @description:zh-CN 自动隐藏B站页面中的广告和推广内容，包括首页广告卡片、视频页活动推广、直播自动播放等，提供清爽的浏览体验。
// @match            *://www.bilibili.com/*
// @match            *://search.bilibili.com/*
// @match            *://*.bilibili.com/*
// @icon             https://www.bilibili.com/favicon.ico
// @grant            GM_registerMenuCommand
// @grant            GM_unregisterMenuCommand
// @grant            GM_setValue
// @grant            GM_getValue
// @grant            GM_notification
// @grant            GM_addStyle
// @license          MIT
// ==/UserScript==

(function() {
    'use strict';

    // ---------- 菜单 ----------
    const MENU_KEY = 'hideBilibiliCarousel';
    if (GM_getValue(MENU_KEY) === undefined) GM_setValue(MENU_KEY, true);

    function refreshMenu() {
        const menuId = GM_registerMenuCommand(
            `${GM_getValue(MENU_KEY) ? '✅' : '❌'} 隐藏首页左侧轮播图`,
            () => {
                const current = GM_getValue(MENU_KEY);
                GM_setValue(MENU_KEY, !current);
                GM_notification({
                    text: `已${!current ? '开启' : '关闭'} [隐藏首页左侧轮播图]\n（点击刷新网页后生效）`,
                    timeout: 3500,
                    onclick: () => location.reload()
                });
                refreshMenu();
            }
        );
        return menuId;
    }
    let menuCommandId = refreshMenu();

    // ---------- 工具函数 ----------
    const injectCSS = (css) => GM_addStyle(css);

    // 使用 CSS class 批量隐藏，性能更好
    const hiddenClassName = 'tm-bili-ad-hidden';
    injectCSS(`
        .${hiddenClassName} {
            display: none !important;
            visibility: hidden !important;
            opacity: 0 !important;
            height: 0 !important;
            width: 0 !important;
            overflow: hidden !important;
            position: absolute !important;
            pointer-events: none !important;
            z-index: -9999 !important;
            clip: rect(0,0,0,0) !important;
        }
    `);

    function hideElement(el) {
        if (!el) return;
        el.classList.add(hiddenClassName);
        // 清除事件监听（简单做法：克隆节点替换）
        const clone = el.cloneNode(true);
        clone.classList.add(hiddenClassName);
        if (el.parentNode) el.parentNode.replaceChild(clone, el);
    }

    // ---------- 页面规则 ----------
    function getPageInfo() {
        const host = location.hostname;
        const path = location.pathname;
        return { host, path };
    }

    function applyPageRules() {
        const { host, path } = getPageInfo();

        // 通用隐藏
        GM_addStyle(`
            .login-tip, .vip-login, .vip-login-tip, .login-panel-popover,
            .desktop-download-tip, .lazy-img { display: none !important; }
        `);

        // 首页
        if (host === 'www.bilibili.com' && (path === '/' || path === '/index.html')) {
            const carouselCSS = GM_getValue(MENU_KEY)
                ? `.recommended-swipe, .fixed-card { display: none !important; } .feed-card { margin-top: 0 !important; }`
                : '';
            GM_addStyle(`
                ${carouselCSS}
                .bili-video-card__skeleton.loading_animation,
                .bili-live-card.is-rcmd.enable-no-interest,
                .ad-report.ad-floor-exp.left-banner,
                .floor-single-card,
                .bili-live-card.is-rcmd { display: none !important; }
            `);
        }

        // 视频播放页
        if (host === 'www.bilibili.com' && path.startsWith('/video/')) {
            GM_addStyle(`
                .bpx-player-qoeFeedback,
                .bili-danmaku-x-guide.bili-danmaku-x-show,
                .bili-danmaku-x-cmd-shrink,
                .bili-danmaku-x-link.bili-danmaku-x-show,
                .bili-danmaku-x-scoreSum.bili-danmaku-x-show,
                .bili-danmaku-x-vote.bili-danmaku-x-show,
                .bili-danmaku-x-score.bili-danmaku-x-show,
                .bili-danmaku-x-guide-all.bili-danmaku-x-guide.bili-danmaku-x-show,
                .ad-report.strip-ad.left-banner,
                .ad-report.ad-floor-exp.left-banner,
                .ad-report.ad-floor-exp.right-bottom-banner,
                .activity-m-v1.act-end,
                .activity-m-v1.act-now,
                .video-card-ad-small,
                .video-page-game-card-small,
                .slide-ad-exp { display: none !important; }
            `);
        }

        // 直播首页防自动播放
        if (host === 'live.bilibili.com' && (path === '/' || path === '')) {
            GM_addStyle(`
                .player-area-ctnr.border-box.p-relative.t-center { display: none !important; }
            `);
            HTMLMediaElement.prototype.play = new Proxy(HTMLMediaElement.prototype.play, {
                apply(target, thisArg, args) {
                    if (new Error().stack?.includes('home-player.prod.min.js')) {
                        thisArg.pause();
                        thisArg.currentTime = 0;
                        thisArg.removeAttribute('autoplay');
                        return Promise.reject(new DOMException('play() failed'));
                    }
                    return Reflect.apply(target, thisArg, args);
                }
            });
        }

        // 动态首页
        if (host === 't.bilibili.com') {
            GM_addStyle(` .bili-dyn-ads { display: none !important; } `);
        }
    }

    // ---------- 广告卡片清理 ----------
    function hideAdCards() {
        document.querySelectorAll('a[href*="cm.bilibili.com/cm/api"]').forEach(link => {
            const card = link.closest('.bili-video-card, .video-card-common, .bili-live-card, .feed-card');
            if (card) hideElement(card);
        });
    }

    // ---------- 全局观察器 ----------
    const observer = new MutationObserver(() => {
        hideAdCards();
        // 可扩展其他动态检查
    });
    observer.observe(document.body, { childList: true, subtree: true });

    // URL 变化监听（SPA）
    let lastUrl = location.href;
    const urlObserver = new MutationObserver(() => {
        if (location.href !== lastUrl) {
            lastUrl = location.href;
            applyPageRules(); // 重新应用页面规则
        }
    });
    urlObserver.observe(document.body, { childList: true, subtree: true });

    // ---------- 启动 ----------
    applyPageRules();
    hideAdCards();

})();