const parseText = require('./../util/text_parser.js')
const nbt = require('prismarine-nbt')

function inject (bot) {
  bot.chat = {
    queue: [],
    patterns: [],
    message (message) {
      const acc = 0
      const bitset = Buffer.allocUnsafe(3)
   
      bitset[0] = acc & 0xFF
      bitset[1] = (acc >> 8) & 0xFF
      bitset[2] = (acc >> 16) & 0xFF
      
      bot._client.write('chat_message', {
        message,
        timestamp: BigInt(Date.now()),
        salt: 0n,
        offset: 0,
        acknowledged: bitset
      })
    },
    
  
    command (command) {
      bot._client.write('chat_command', {
        command,
        timestamp: BigInt(Date.now()),
        salt: 0n,
        argumentSignatures: [],
        signedPreview: false,
        messageCount: 0,
        acknowledged: Buffer.alloc(3),
        previousMessages: []
      })
    }
  }

  setInterval(() => {
    if (!bot.loggedIn) { return }

    const message = bot.chat.queue.shift()
    if (message != null) {
      if (message[0] === '/') bot.chat.command(message.substring(1))
      else bot.chat.message(message)
    }
  }, 200)

  bot.on('chat', (message, packet) => {
    bot.console.log(`[${bot.host}] ${message.raw}`)

    const msg = message.raw
    if (msg.match(/<.*§r> §r.*/g)) {
      if (packet.sender === '00000000-0000-0000-0000-000000000000') return
      const player = bot.players.find(player => player.uuid === packet.sender)
      const message = msg.split('§r> §r')[1]
      bot.emit('message', player, message)
    } else if (msg.match(/<.*> .*/g)) {
      if (packet.sender === '00000000-0000-0000-0000-000000000000') return
      const player = bot.players.find(player => player.uuid === packet.sender)
      const message = msg.split('> ')[1]
      bot.emit('message', player, message)
    } else if (msg.match(/.* .*§r:§r §.*/g)) {
      if (packet.sender === '00000000-0000-0000-0000-000000000000') return
      const player = bot.players.find(player => player.uuid === packet.sender)
      const message = msg.split('§r:§r ')[1].substring(2)
      bot.emit('message', player, message)
    } else if (msg.match(/§.*§b: \/.*/g)) {
      let username = msg.split('§b: ')[0]
      if (username.startsWith('§b')) { username = username.slice(2) }
      const player = bot.players.find(player => player.username === username)
      if (player == null) return
      const command = msg.split('§b: ')[1]
      bot.emit('cspy', player, command)
    }
  })

  bot.on('packet.profileless_chat', (packet) => {
    const message = parseText(nbt.simplify(packet.message))
    bot.emit('chat', message, packet)
  })

  bot.on('packet.player_chat', (packet) => {
    const message = packet.unsignedChatContent ? parseText(nbt.simplify(packet.unsignedChatContent)) : packet.plainMessage
    bot.emit('chat', message, { sender: packet.senderUuid })
  })

  bot.on('packet.system_chat', (packet) => {
    const json = nbt.simplify(packet.content)
    if (json?.translate === 'advMode.setCommand.success') return

    const message = parseText(json)
    bot.emit('chat', message, packet)
  })
}

module.exports = inject