// ==UserScript==
// @name                Live Danmaku Controller
// @name:en-US          Live Danmaku Controller
// @name:zh-CN          直播弹幕控制
// @description         Auto turn off live danmaku
// @description:en-US   Auto turn off live danmaku
// @description:zh-CN   自动关闭直播弹幕
// @namespace           live-danmaku-controller
// @version             2020.07.27.4
// @author              Akatsuki
// @license             MIT License
// @grant               GM_info
// @run-at              document-idle
// @match               *://live.bilibili.com/*
// @match               *://www.douyu.com/*
// @match               *://www.huya.com/*
// @match               *://www.yy.com/*
// @downloadURL none
// ==/UserScript==

'use strict'

var selector = {
  'live.bilibili.com': {
    on: "i[class='live-icon-danmaku-on']",
    off: "i[class='live-icon-danmaku-off']"
  },
  'www.douyu.com': {
    on: "div[class^='showdanmu-']:not([class*='removed-'])",
    off: "div[class^='hidedanmu-']:not([class*='removed-'])"
  },
  'www.huya.com': {
    on: "div[class='danmu-show-btn'][title='关闭弹幕']",
    off: "div[class='danmu-show-btn danmu-hide-btn'][title='开启弹幕']"
  },
  'www.yy.com': {
    on: "div[class~='yc__bullet-comments-btn'][title='关闭弹幕']",
    off: "div[class~='yc__bullet-comments-btn'][title='打开弹幕']"
  }
}

var delay_site = ['www.yy.com']

var live_site = document.location.hostname

// Danmaku disabler
function disable_danmaku() {
  var button_on = document.querySelector(selector[live_site].on)
  if (button_on !== null) {
    button_on.click()
  }
  setTimeout(() => {
    if (document.querySelector(selector[live_site].off) === null) {
      disable_danmaku()
    }
  }, 500)
}

// Delay danmaku disabler for some sites (delay 10s)
// To fix the button showing as OFF, but danmaku still appear
if (delay_site.includes(live_site)) {
  setTimeout(disable_danmaku, 10000)
} else {
  disable_danmaku()
}