const TelegramBot = require('node-telegram-bot-api')
const fs = require('fs')

const filter = require('./src/filter.js')
const sender = require('./src/sender.js')

const commandManager = require('./src/commandManager.js')

const bot_token = fs.readFileSync('./bot-token.txt', 'utf8').trim()
const bot = new TelegramBot(bot_token, { polling: true })

const DEVELOPER = 121605312

let exception = {}

const command = new commandManager()

const syncException = (err, data) => {
  if (err)
    console.log(err)

  try {
    exception = JSON.parse(data)
  } catch (err) {
    exception = {}
  }
}

const init = () => {
  sender.init(bot)
  fs.readFile('./exception.txt', syncException)
  fs.watch('./exception.txt', { encoding: 'buffer' }, (event, filename) => {
    if (filename) {
      fs.readFile('./exception.txt', syncException)
    }
  })
}

try {
  init()
} catch (err) {
  fs.writeFile('./exception.txt', '{}', (err) => {
    if (!err) {
      init()
    }
  })
}

bot.on('message', message => {
  const user = message.from
  const text = message.text
  const date = message.date * 1000

  if (!text || Math.abs(Date.now() - date) > 5000) {
    return
  }
/*
  if (user.id != DEVELOPER) {
    return
  }*/

  if (text[0] === '/') {
    let name = text.replace(/\//, '')

    if (/@jolbon_emoji_bot/g.test(text))
      name = name.replace(/@jolbon_emoji_bot.{0,}/g, '')
    else
      name = name.replace(/ .{0,}/g, '')

    let parameter = []
    if (/ /g.test(text)) {
      parameter = text.split(' ')
      parameter.shift()
    }

    const c = command.getCommand(name)
    switch (name) {
      case 'off':
        c.execute(message, parameter).then(data => {
          sender.send(message.chat.id, data + '님이 사용을 하지 안심시오ㅠㅠㅠ', message.message_id)
        }).catch(err => {
          sender.send(message.chat.id, '않이~~ ' + err + '님은 이미 사용 중단 하셨슴시오 ㅡㅡ', message.message_id)
        })
        break
      case 'on':
        c.execute(message, parameter).then(data => {
          sender.send(message.chat.id, data + '님이 내 의지에 굴복하셧슴시오~~ 사용 허가 했심시오~~~', message.message_id)
        }).catch(err => {
          sender.send(message.chat.id, '호고곡~! ' + err + '님은 이미 사용중이심시오~~', message.message_id)
        })
        break
      case 'clear':
        c.execute(message, parameter).then(data => {
          sender.send(message.chat.id, '원격으로 목록을 지웠슴시오~~', message.message_id)
        }).catch(err => {
          sender.send(message.chat.id, '았~~!! ' + err + '님으 권한은 없는것 갓심시오~~', message.message_id)
        })
        break
      case 'list':
        c.execute(message, parameter).then(data => {
          sender.send(message.chat.id, '졸본콘을 사용 않하는 나데기들임니다;;\n' + data, message.message_id)
        }).catch(err => {
          sender.send(message.chat.id, '았~~!! ' + err + '님으 권한은 없는것 갓심시오~~', message.message_id)
        })
        break
    }
  }

  const roomException = exception[message.chat.id]
  if (roomException != undefined) {
    if (roomException.includes(user.id)) {
      return
    }
  }

  ; (async () => {
    let result = await filter.correct(text)
    result = filter.spacing(result, /[^ㄱ-ㅎ][ㄱ-ㅎ]/g)
    result = filter.spacing(result, /[ㄱ-ㅎ][^ㄱ-ㅎ]/g)
    result = filter.spacing(result, /[ㄱ-ㅎ가-힣][a-zA-Z]/g)
    result = filter.spacing(result, /[a-zA-Z][ㄱ-ㅎ가-힣]/g)

    if (result != '') {
      let replyId = message.message_id

      if (message.reply_to_message) {
        replyId = message.reply_to_message.message_id
      }

      sender.sendSticker(message.chat.id, result, replyId)
    }
  })()
})

bot.on('polling_error', (error) => {
  console.log(error)
})