// ==UserScript==
// @name           Bilibili直播自动点赞
// @description    Bilibili进入直播间后自动点赞.
// @version        1.2.0
// @namespace      https://github.com/AliubYiero/TamperMonkeyScripts
// @author         Yiero
// @run-at         document-body
// @grant          GM_addStyle
// @grant          GM_getValue
// @grant          GM_xmlhttpRequest
// @match          https://live.bilibili.com/*
// @connect        api.bilibili.com
// @connect        api.live.bilibili.com
// ==/UserScript==

/* ==UserConfig==
配置项:
    likeAnimationStat:
        title: 点赞动画状态 (默认关闭)
        description: 显示点赞后的动画效果
        type: checkbox
        default: false
    displayLikeText:
        title: 点赞数量文本状态 (默认开启)
        description: 显示点赞数量文本
        type: checkbox
        default: true
    likeClickDelayMinRange:
        title: 点赞随机时间延迟 (ms) , 最小随机时间 (无法少于500ms)
        description: 点赞延迟 (ms)
        type: number
        default: 2000
    likeClickDelayMaxRange:
        title: 点赞随机时间延迟 (ms) , 最大随机时间
        description: 点赞延迟 (ms)
        type: number
        default: 5000
    onlyLikeFollow:
        title: 仅点赞关注用户
        description: 仅点赞关注用户
        type: checkbox
        default: true
==/UserConfig== */
const getRoomId = () => {
  const roodId = new URL(document.URL).pathname.split("/").find((item) => /^\d+$/.test(item)) || 0;
  return Number(roodId);
};
const fetch = (config) => {
  let {
    url,
    param,
    method = "GET",
    data
  } = config;
  const urlParam = new URLSearchParams(param).toString();
  if (urlParam) {
    url = `${url}?${urlParam}`;
  }
  return new Promise((resolve, reject) => {
    GM_xmlhttpRequest({
      method,
      url,
      headers: {
        "Content-Type": "application/json"
      },
      data: JSON.stringify(data),
      onload(response) {
        try {
          const res = JSON.parse(response.response);
          setTimeout(() => {
            resolve(res);
          }, 500);
        } catch (e) {
          reject(e);
        }
      }
    });
  });
};
const api_GetRoomInfo = (roomId) => {
  return fetch({
    url: "https://api.live.bilibili.com/room/v1/Room/get_info",
    param: {
      room_id: roomId
    },
    method: "GET"
  });
};
const api_GetUserCardInfo = (uid) => {
  return fetch({
    url: "https://api.bilibili.com/x/web-interface/card",
    param: {
      mid: uid
    }
  });
};
const getFollowInfo = async (roomId) => {
  const uid = await api_GetRoomInfo(roomId).then((res) => res.data.uid);
  return api_GetUserCardInfo(uid).then((res) => res.data.following);
};
const randomRange = (min, max) => {
  min = Math.max(500, min);
  max = Math.max(min, max);
  return min + Math.floor(Math.random() * (max - min + 1));
};
const clickLike = () => {
  const key = new KeyboardEvent("keydown", {
    key: "k",
    repeat: true
  });
  window.dispatchEvent(key);
};
(async function() {
  const displayLikeAnimation = !GM_getValue("\u914D\u7F6E\u9879.likeAnimationStat", false);
  const displayLikeText = GM_getValue("\u914D\u7F6E\u9879.displayLikeText", true);
  const likeClickRange = [
    GM_getValue("\u914D\u7F6E\u9879.likeClickDelayMinRange", 2e3),
    GM_getValue("\u914D\u7F6E\u9879.likeClickDelayMaxRange", 5e3)
  ];
  const onlyLikeFollow = GM_getValue("\u914D\u7F6E\u9879.onlyLikeFollow", true);
  if (onlyLikeFollow) {
    const roomId = getRoomId();
    const isFollow = await getFollowInfo(roomId);
    if (!isFollow) {
      return;
    }
  }
  if (displayLikeAnimation || displayLikeText) {
    let css = "";
    displayLikeAnimation && (css += `[id^="like-animation"] {display: none !important;}`);
    displayLikeText && (css += `${".like-text".repeat(15)} {display: inline !important;}`);
    GM_addStyle(css);
  }
  const propSelectorList = [".medalAb", ".emoticons", '.gift-panel-box[style=""]'];
  setInterval(() => {
    if (propSelectorList.some((selector) => document.querySelector(selector))) {
      return;
    }
    clickLike();
  }, randomRange(...likeClickRange));
})();