import type { IEventInfo, Player } from "../types";
import * as cheerio from "cheerio";
import { XCXAPI } from "../services/xcxApi";
import { BASE_URL } from "./common";
import { RedisClient } from "bun";
import dayjs from "dayjs";

const REQUIRED_ENVS = [
  process.env.KAIQIUCC_TOKEN,
  process.env.REDIS,
];

console.debug('ENVS: \n%s', REQUIRED_ENVS.join('\n'));
if (!REQUIRED_ENVS.every(v => !!v)) {
  console.error('Missing required environment variables. Please check your .env');
  process.exit(1);
}
export const REDIS_CACHE_HOUR = Number(process.env.REDIS_CACHE_HOUR) || 8;

console.debug('Cache hour: %s', REDIS_CACHE_HOUR);

export const xcxApi = new XCXAPI(process.env.KAIQIUCC_TOKEN ?? '');

export const redis = new RedisClient(process.env.REDIS ?? '');

export const htmlRequestHeaders = {
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
  "accept-language": "zh-CN,zh;q=0.8",
  "cache-control": "max-age=0",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Not(A:Brand\";v=\"8\", \"Chromium\";v=\"144\", \"Brave\";v=\"144\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "sec-gpc": "1",
  "upgrade-insecure-requests": "1",
  "cookie": "SECKEY_ABVK=oTGgqH4ypGPFVdQ3J9K7PoAOPdZ+8R7CsUzi75gelcg%3D; uchome_sendmail=1"
}

/**
 * @param tagid 俱乐部 ID
 */
export async function listEvent(tagid: string): Promise<IEventInfo[]> {
  const key = `my-kaiqiuwang:club-events:${tagid}`;
  let html = await redis.get(key).catch(() => '');
  if (!html) {
    html = await fetchEventListHTML(tagid);
    redis.setex(key, 60 * 60 * REDIS_CACHE_HOUR, html);
  }
  return await parseEventList(html);
}

/**
 * @param tagid 俱乐部 ID
 * @return HTML
 */
export async function fetchEventListHTML(tagid: string) {
  const url = `${BASE_URL}/home/space.php?do=mtag&tagid=${tagid}&view=event`;
  const resp = await fetch(url, { headers: htmlRequestHeaders });
  return resp.text() ?? '';
}

export async function parseEventList(html: string) {
  const $ = cheerio.load(html);
  const blockList = $('div.event_list > ol > li');
  const list: IEventInfo[] = [];
  for (const block of blockList) {
    const titleEl = $(block).find('.event_title');
    const title = titleEl.text();
    const eventPath = $(titleEl).find('a').attr('href') ?? '';
    const place = $(block).find('ul li:nth-of-type(2)').text().replace('比赛地点: \\t', '').trim();
    const eventURL = `${BASE_URL}/home/${eventPath}`;
    const matchId = /\S+-(\d+).html$/.exec(eventPath)?.[1] ?? '';
    let eventPage = await redis.get(`my-kaiqiuwang:match:${matchId}`) ?? '';
    if (!eventPage) {
      eventPage = await fetch(eventURL, { headers: htmlRequestHeaders }).then(res => res.text() ?? '');
      await redis.setex(`my-kaiqiuwang:match:${matchId}`, 60 * 60 * 10, eventPage)
    }
    const $eventPage = cheerio.load(eventPage);
    const eventContent = $eventPage('.event_content').text().replace(/(\r|\n)/g, ',').split(',').filter(Boolean).join(' ');
    const { y, M, D, H, m} = /比赛开始:.*?(?<y>\d{4})年(?<M>\d{2})月(?<D>\d{2})日 \w+ (?<H>\d{2}):(?<m>\d{2})/
      .exec(eventContent)?.groups ?? {};
    const startDate = y ? `${y}-${M}-${D} ${H}:${m}` : '';
    const event: IEventInfo = {
      title,
      info: [`比赛时间：${startDate}`, place],
      url: eventURL,
      startDate,
      matchId,
      isFinished: dayjs(startDate).isBefore(),
    }
    list.push(event);
  }
  return list;
}

/**
 * 
 * @param matchId 比赛 ID
 * @returns HTML
 */
export async function fetchEventContentHTML(matchId: string) {
  const url = `${BASE_URL}/home/space.php?do=event&id=${matchId}&view=member&status=2`;
  const resp = await fetch(url, { headers: htmlRequestHeaders });
  return resp.text() ?? ''
}

export function parseEventInfo(html: string) {
  const $ = cheerio.load(html);
  const title = $('h2.title a').text();
  const itemHref = $('.sub_menu a.active').attr('href') ?? '';
  const itemId = /\S+item_id=(\d+)$/.exec(itemHref)?.[1] ?? '';
  const players: Player[] = [];
  const playersEl = $('.thumb');
  for (const player of playersEl) {
    const img = $(player).find('.image img').attr('src') ?? '';
    const name = $(player).find('h6').text().trim();
    const uid = /space-(?<uid>\d+).html/.exec($(player).find('h6 a').attr('href') ?? '')?.groups?.uid ?? '';
    const info = $(player).find('p:nth-of-type(2)').text().replace(/\s/g, '');
    const score = /^.*?\b(\d+)\b/.exec(info)?.[1] ?? '';
    players.push({ name, avatar: img, score, info, uid });
  }
  return {
    itemId,
    title,
    players,
  }
}

export async function getMatchInfo(matchId: string) {
  const key = `my-kaiqiuwang:match-member:${matchId}`;
  let html = await redis.get(key).catch(() => '');
  if (!html) {
    html = await fetchEventContentHTML(matchId);
    redis.setex(key, 60 * 60 * REDIS_CACHE_HOUR, html);
  }
  return parseEventInfo(html);
}