const cron = require('cron')
const axios = require('axios')
const config = require('./config')
const fbparser = require('./facebook-parser')

const getIDsUrl = '/api/private/pages'
const updatePostsUrl = '/api/private/pageposts'

const getIDsFromAPI = async () => {
  try {
    let apiResult = await axios({
      baseURL: config.api_url,
      url: getIDsUrl,
      headers: {
        'X-Mtfos-Key': config.api_key
      },
      method: 'get'
    })
    if (!('data' in apiResult) || !('list' in apiResult.data) || !Array.isArray(apiResult.data.list)) return
    apiResult.data.list.forEach(t => {
      getLastPost(t)
    })
  } catch (err) {
    console.log('get ids fail :::: ', err)
  }
}

const getLastPost = async (id = '') => {
  console.log(`Start Get ${id} Page Post`)
  if (typeof id !== 'string' || id.trim().length === 0) return
  id = id.trim()

  try {
    let lastPost = await fbparser.getLastPost(id)
    if (lastPost === null) {
      console.log('get post empty')
      return
    }
    console.log('get post ::: ', `PageID: ${id} / PostID: ${lastPost.id} / Time: ${lastPost.time} / Text: ${lastPost.txt}`)
    if (!('id' in lastPost) || !('txt' in lastPost) || !('time' in lastPost) || !('link' in lastPost)) return
    let minTime = Math.floor(Date.now() / 1000) - 1800
    if (minTime > lastPost.time) return
    let data = {
      id,
      post_id: lastPost.id,
      text: lastPost.txt,
      link: lastPost.link
    }
    try {
      await axios({
        baseURL: config.api_url,
        url: updatePostsUrl,
        method: 'post',
        headers: {
          'X-Mtfos-Key': config.api_key
        },
        data: {
          pages: [data]
        }
      })
    } catch (err) {
      console.log('update post data fail', err)
    }
  } catch (err) {
    console.log('get last post error', err)
  }
}

// set fblook
new cron.CronJob({ //eslint-disable-line
  cronTime: '00 */2 * * * *',
  onTick: async () => {
    console.log('Start Tick')
    try {
      await getIDsFromAPI()
    } catch (err) {
      console.log('run tick fail', err)
    }
  },
  runOnInit: true,
  start: true,
  timeZone: 'Asia/Taipei'
})