// ==UserScript==
// @name         哔哩哔哩bilibili默认关闭弹幕
// @description  Bilibili html5播放器默认关闭弹幕
// @author       cngege
// @version      2020.6.20.a
// @namespace    cngege
// @icon         https://www.bilibili.com/favicon.ico
// @match        *://*.bilibili.com/video/*
// @match        *://*.bilibili.com/watchlater/*
// @match        *://*.bilibili.com/bangumi/play/*
// @require      https://cdn.bootcss.com/jquery/3.5.0/jquery.min.js
// @grant        none
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

(function() {
    let url = geturl();
    let isgo = true;
    let Const = 0;
    let DebugLog = false;
    go();
    setTimeout(goto,3000);

    function go(){
        Const++;

        //判断弹幕开关是否是打开的 并关闭
        if($(".bilibili-player-video-danmaku-switch .bui-switch-dot").css("left") == "30px"){
            //向弹幕开关发送点击消息
            $('.bui-switch-input').click();
            if(DebugLog){console.log("向弹幕开关发送点击消息")}
        }
        if($(".bilibili-player-video-danmaku-switch .bui-switch-dot").css("left") == "2px"){
           isgo = false;
           if(DebugLog){console.log("检测到弹幕开关关闭");}
           return;
        }
        if(Const>30){isgo = false;return;}
        setTimeout(go,300);
    }

    function goto(){
        if(!isgo && url!=geturl()){
           if(url!=geturl()){
               Const = 0;
           }
           url=geturl();
           isgo = true;
           go();
        }
        setTimeout(goto,3000);
    }

    function geturl(){
        return window.location.href;
    }

})();