const cron = require('cron')
const DB = require('./libs/database')
const fbParser = require('./libs/facebook-pageparse')
const {
  pushMessage
} = require('./libs/line-message')

new cron.CronJob({ // eslint-disable-line
  cronTime: '00 */2 * * * *',
  onTick: async () => {
    console.log('run cron')
    let db = await DB.connect()
    let text = `select "id" as page, "lastpost" as post from "public"."facebook_page"`
    let res = await db.query({
      text
    })
    console.log('rows length :::: ', res.rowCount)
    if (res.rows.legnth === 0) return
    res.rows.forEach(t => {
      runCheckPage(t)
    })

    db.release()
  },
  runOnInit: true,
  start: true,
  timeZone: 'Asia/Taipei'
})

const runCheckPage = async function (t) {
  let db = await DB.connect()
  fbParser.getLastPost(t.page)
    .then(async (data) => {
      let n = Math.floor(Date.now() / 1000)
      if (t.post === data.id || data.time < (n - 10 * 60)) {
        return
      }
      t.post = data.id
      try {
        let text = `update "public"."facebook_page" set "lastpost" = $1, "mtime" = now() where "id" = $2`
        let values = [data.id, t.page]
        await db.query({
          text,
          values
        })
      } catch (err) {
        console.log(err)
      }

      let rt = null
      try {
        let text = `select rt."facebook" as page, rt."tmpl" as tmpl, rt."line" as group
          from "public"."line_fb_rt" rt 
          left join "public"."line_group" line
          on line."id" = rt."line"
          where 
          line."notify" = true
          and rt."facebook" = $1`
        let values = [t.page]
        rt = await db.query({
          text,
          values
        })
      } catch (err) {
        console.log(err)
      }
      if (rt === null || rt.rowCount === 0) {
        return
      }

      for (let i in rt.rows) {
        let tmp = rt.rows[i]
        let msg = tmp.tmpl || ''
        if (typeof msg !== 'string' || msg.trim().length === 0) {
          msg = `${data.txt}\n${data.link}`
        } else {
          msg = msg.replace(/{link}/, data.link).replace(/{txt}/, data.txt).replace(/\\n/, '\n')
        }

        pushMessage(tmp.group, msg).then(() => {}).catch(() => {})
      }
    })
    .then(() => {
      db.release()
    })
    .catch(() => {
      db.release()
    })
}

// register twitch streaming webhook
new cron.CronJob({ //eslint-disable-line
  cronTime: '00 00 0,6,12,18 * * *',
  onTick: async () => {

  },
  runOnInit: true,
  start: true,
  timeZone: 'Asia/Taipei'
})