import cloud from '@lafjs/cloud';
import * as crypto from 'crypto';
const appid = 'wx30f74367b3d3e7a6';    // 微信小程序 AppId
const appsecret = process.env.WX_MINIGAME_APP_SECRET;  // 微信小程序 AppSecret

//定时获取Token
export default async function (ctx: FunctionContext) {
  let res = await getWxToken();
  return { res: res }
}

/**获取微信Token*/
async function getWxToken() {
  const api_url = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appid}&secret=${appsecret}`;
  const ret = await cloud.fetch({
    url: api_url,
    method: "get",
  });
  if (ret?.data?.access_token) {
    cloud.shared.set('wxaccess_token', ret.data.access_token);
    PostToken(ret.data.access_token)
    return ret.data.access_token;
  } else {
    //access_token = null;
    return null;
  }
}
/**获取广告版本token*/
async function getWxToken1() {
  const api_url = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appid1}&secret=${appsecret1}`;
  const ret = await cloud.fetch({
    url: api_url,
    method: "get",
  });
  if (ret?.data?.access_token) {
    //console.log(ret.data.access_token);
    cloud.shared.set('wxaccess_token1', ret.data.access_token);

    return ret.data.access_token;
  } else {
    //access_token = null;
    return null;
  }
}

async function PostToken(wxToken) {
  const token = process.env.GRAVITY_ACCESS_TOKEN;
  const url = `https://backend.gravity-engine.com/event_center/api/v1/base/wx/access_token/refresh/?access_token=${token}`;
  const time = Math.floor(Date.now() / 1000);
  const appkey = process.env.GRAVITY_APP_KEY;
  const str: string = `app_key=${appkey}&wx_access_token=${wxToken}&current_time=${time}`;
  const sign: string = crypto.createHash('md5').update(str).digest('hex').toLowerCase();
  const data = {
    "wx_access_token": wxToken,
    "current_time": time,
    "sign": sign
  }
  const res = await fetch(url, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(data)
  })
  const token1 = await res.json()
  //console.log(data11);
  return "ok"
}