// ==UserScript==
// @name         去你妈的批站诈骗广告（ bilibili,B站去广告 ）
// @version      1.10
// @description  bilibili,B站,去广告,屏蔽小火箭推广视频,屏蔽首页左侧大图滑动推荐栏,屏蔽直播主页顶部自动播放的直播
// @author       爆菊大师
// @match        *://*.bilibili.com/*
// @icon         https://www.bilibili.com/favicon.ico
// @grant        none
// @license MIT
// @namespace http://tampermonkey.net/
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';
    const currentHost = window.location.hostname;
    const currentPath = window.location.pathname;
    const injectStyle = (css) => {
        const style = document.createElement('style');
        style.textContent = css;
        document.head.appendChild(style);
    };
    if (currentHost === 'live.bilibili.com' && (currentPath === '/' || currentPath === '')) {
        injectStyle(`
            .player-area-ctnr.border-box.p-relative.t-center { display: none !important; }
        `);
        const originalPlay = HTMLMediaElement.prototype.play;
        HTMLMediaElement.prototype.play = function() {
            const stack = new Error().stack || '';
            if (stack.includes('home-player.prod.min.js')) {
                this.pause();
                this.currentTime = 0;
                this.removeAttribute('autoplay');
                return Promise.reject(new DOMException('play() failed'));
            }
            return originalPlay.apply(this, arguments);
        };
    }
    if (currentHost === 'www.bilibili.com' && (currentPath === '/' || currentPath === '')) {
        injectStyle(`
            .bili-video-card__skeleton.loading_animation,
            .recommended-swipe.grid-anchor,
            .bili-live-card.is-rcmd.enable-no-interest,
            .ad-report.ad-floor-exp.left-banner,
            .floor-single-card,
            .fixed-card { display: none !important; }
            .feed-card { margin-top: 0 !important; }
        `);
        const selectors = {
            pseudo: '.bili-video-card.is-rcmd',
            icons: '.vui_icon.bili-video-card__stats--icon',
            adFeed: '.bili-video-card__mask .bili-video-card__stats--text'
        };
        const isBlocked = (element) => {
            if (element.dataset.checked) return element.dataset.blocked === 'true';
            const content = getComputedStyle(element, '::before').content;
            const blocked = content.includes('AdGuard') || content.includes('AdBlock');
            element.dataset.checked = 'true';
            element.dataset.blocked = blocked;
            return blocked;
        };
        const checkElements = (selector, condition, parentSelector) => {
            document.querySelectorAll(selector).forEach(el => {
                const target = parentSelector ? el.closest(parentSelector) : el;
                if (target && (!condition || condition(el))) {
                    target.style.display = 'none';
                    target.dataset.processed = 'true';
                }
            });
        };
        const debounce = (fn, delay = 100) => {
            let timeout;
            return (...args) => {
                clearTimeout(timeout);
                timeout = setTimeout(() => fn(...args), delay);
            };
        };
        const observer = new MutationObserver(debounce(() => {
            checkElements(selectors.pseudo, el =>
                isBlocked(el) || [...el.children].some(isBlocked)
            );
            checkElements(selectors.icons, null, '.bili-video-card');
            checkElements(selectors.adFeed, el =>
                el.textContent.includes('广告'), '.bili-video-card__wrap'
            );
        }));

        observer.observe(document.body, { subtree: true, childList: true });
    }
    if (currentHost === 'www.bilibili.com' && currentPath.startsWith('/video/')) {
        injectStyle(`
            .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; }
        `);
    }
})();