// ==UserScript==
// @name         隐藏b站视频详情页右侧的"活动推广"和"大家围观的直播"
// @name:en      Hide the promotion on the right side of Bilibili's video details page
// @namespace    http://tampermonkey.net/
// @version      0.1.3
// @description  Hide specified Bilibili elements using MutationObserver
// @description:en  Hide specified Bilibili elements using MutationObserver
// @author       aspen138
// @match        *://www.bilibili.com/video/*
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==


(function() {
    'use strict';

    // Function to change the specified elements' background to white, prevent clicks, and disable hover effects
    function whiteOutElements() {
        var adBanner = document.getElementById('right-bottom-banner');
        var liveCard = document.querySelector('.pop-live-small-mode.part-undefined');

        const preventClicksAndHideElementStyles = (element) => {
            element.style.background = 'white';
            element.style.color = 'white'; // Hides text
            element.style.pointerEvents = 'none'; // Disables mouse events including hover and clicks

            // Hide children elements by iterating through them
            Array.from(element.children).forEach(child => {
                child.style.visibility = 'hidden';
                preventClicksAndHideElementStyles(child); // Apply recursively to child elements
            });
        };

        if (adBanner) {
            preventClicksAndHideElementStyles(adBanner);
        }

        if (liveCard) {
            preventClicksAndHideElementStyles(liveCard);
        }
    }

    // Create a MutationObserver to watch for changes in the DOM
    var observer = new MutationObserver(function(mutationsList) {
        for (var mutation of mutationsList) {
            if (mutation.type === 'childList') {
                whiteOutElements(); // Apply changes when new nodes are added
            }
        }
    });

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

    whiteOutElements(); // Initial application of the changes
})();