// ==UserScript==
// @name         bilibili 倍速控制
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  使用快捷键控制bilibili的倍速选择
// @author       pipizhu
// @match        http*://www.bilibili.com/video/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// @grant        none
// @license 		 MIT
// @downloadURL none
// ==/UserScript==

;(function () {
	'use strict'
	init()
})()

async function init() {
	try {
		await delay(1000)
		const result = await initKeyElems()

		console.log('result', result)
	} catch (e) {
		console.log('error', e)
	}
}

async function test() {
	return new Promise((res, rej) => {
		setTimeout(() => {
			res
		}, 200)
	})
}
async function initKeyElems() {
	let observed = false
	let count = 0

	async function getKeys() {
		return new Promise(async (resolve, reject) => {
			// await delay(1000)
			const ctrlKeylist = Array.from(
				document.querySelectorAll('.bpx-player-ctrl-playbackrate-menu li')
			)
			if (ctrlKeylist.length === 0) {
				if (count <= 20) {
					count += 1
					await delay(1000)
					return getKeys()
				} else {
					reject('get ctrl keys error ')
				}
			} else {
				resolve(ctrlKeylist)
			}
		})
	}

	const keys = await getKeys()
	return keys
}

async function delay(time) {
	return new Promise(res => setTimeout(() => res(), time))
}