// ==UserScript==
// @name         哔哩哔哩弹幕一键隐藏（简化版）
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  一键隐藏/显示B站全部弹幕
// @author       Assistant
// @match        https://www.bilibili.com/video/*
// @match        https://www.bilibili.com/bangumi/play/*
// @icon         https://www.bilibili.com/favicon.ico
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // 添加全局样式，用于隐藏弹幕
    GM_addStyle(`
        .bili-danmaku-hidden canvas,
        .bili-danmaku-hidden .bpx-player-danmaku,
        .bili-danmaku-hidden [class*="danmaku"] {
            opacity: 0 !important;
            visibility: hidden !important;
        }
    `);

    // 创建按钮
    function addButton() {
        if (document.getElementById('my-danmaku-toggle')) return;

        const btn = document.createElement('div');
        btn.id = 'my-danmaku-toggle';
        btn.innerHTML = '💬 隐藏弹幕';
        btn.style.cssText = `
            position: fixed;
            bottom: 80px;
            right: 20px;
            z-index: 99999;
            background: rgba(0,0,0,0.7);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            backdrop-filter: blur(5px);
            font-family: system-ui;
        `;

        let hidden = false;

        btn.onclick = () => {
            hidden = !hidden;
            if (hidden) {
                document.body.classList.add('bili-danmaku-hidden');
                btn.innerHTML = '💬 显示弹幕';
                btn.style.background = 'rgba(0,100,0,0.8)';
            } else {
                document.body.classList.remove('bili-danmaku-hidden');
                btn.innerHTML = '💬 隐藏弹幕';
                btn.style.background = 'rgba(0,0,0,0.7)';
            }
        };

        document.body.appendChild(btn);
    }

    // 等待页面加载
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', addButton);
    } else {
        addButton();
    }
})();