// ==UserScript==
// @name         斗鱼默认最高画质
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.douyu.com/*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    window.onload = function(){
        function autoClick(){
            console.time()
            let dom = Array.from(document.querySelectorAll('input')).find((item,index)=>{return item.value.includes('画质')})
            if(dom){
                const ul_dom = Array.from(dom.parentNode.childNodes).find((item)=>item.tagName=='UL')
                const li_dom = Array.from(ul_dom.childNodes)
                let seleteIndex = 0
                li_dom.forEach((item,index)=>{
                    if(item.className!=''){
                        seleteIndex = index
                    }
                })
                if(seleteIndex==0){
                    console.log('默认为最高画质，无需切换')
                    console.timeEnd()
                    console.log('ok')
                }else{
                    const old_quality = li_dom[seleteIndex].innerText
                    const new_quelity = li_dom[0].innerText
                    li_dom[0].click()
                    console.log(`已从${old_quality}切换到${new_quelity}`)
                    console.timeEnd()
                    console.log('ok')

                }
            }else{
                setTimeout(()=>{
                    autoClick()
                },1000)
            }
        }
        autoClick()
    }
    // Your code here...
})();