const { parseText } = require('../util/chat/utility')

const plainStringify = require('../util/chat/stringify/plain')
const colorCodeStringify = require('../util/chat/stringify/color_code')
const htmlStringify = require('../util/chat/stringify/html')
const ansiStringify = require('../util/chat/stringify/ansi')
const ircStringify = require('../util/chat/stringify/irc')

const vanillaParser = require('../util/chat/message_parser/vanilla')
const kaboomParser = require('../util/chat/message_parser/kaboom')
const kaboomVanillaLikeParser = require('../util/chat/message_parser/kaboom_vanilla_like')

function inject (bot) {
  bot.chat = {
    queue: [],
    parsers: [vanillaParser, kaboomParser, kaboomVanillaLikeParser],

    message (message) {
      if (!bot.supportFeature('signedChat')) {
        bot._client.write('chat', { message })
        return
      }

      bot._client.write('chat_message', {
        message,
        timestamp: BigInt(Date.now()),
        salt: 0n,
        offset: 0,
        acknowledged: Buffer.alloc(3)
      })
    },
    
  
    command (command) {
      if (!bot.supportFeature('signedChat')) {
        bot._client.write('chat', { message: '/' + command })
        return
      }

      bot._client.write('chat_command', {
        command,
        timestamp: BigInt(Date.now()),
        salt: 0n,
        argumentSignatures: [],
        signedPreview: false,
        messageCount: 0,
        acknowledged: Buffer.alloc(3),
        previousMessages: []
      })
    },

    shouldLog (message) {
      if (message?.translate === 'advMode.setCommand.success') return false
      return true
    }
  }

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

    bot.emit('chat_queue_tick')

    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('packet.profileless_chat', (packet) => {
    const message = parseText(packet.message)
    const senderName = parseText(packet.name)
    const type = bot.registry?.chatFormattingById[packet.type]

    bot.emit('profileless_chat', { message, senderName, type })
    bot.emit('chat', message)

    tryParsingMessage(message, { senderName, players: bot.players, lang: bot.registry.language })
  })

  bot.on('packet.player_chat', (packet) => {
    const plain = packet.plainMessage
    const unsigned = parseText(packet.unsignedChatContent)
    let sender = bot.players.find(player => player.uuid === packet.senderUuid)
    const type = bot.registry?.chatFormattingById[packet.type]

    if (!sender) {
      bot.console.warn(`Unable to find player_chat sender in player list (uuid: ${packet.senderUuid})`)
      sender = undefined
    }

    bot.emit('player_chat', { plain, unsigned, sender, type: type.name })
    bot.emit('chat', unsigned)

    tryParsingMessage(unsigned, { senderUuid: sender?.uuid, players: bot.players, lang: bot.registry.language, plain })
  })

  bot.on('packet.system_chat', (packet) => {
    if (packet.isActionBar) return

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

  // legacy (1.18.2 and older)
  bot.on('packet.chat', packet => {
    const message = parseText(packet.message)
    bot.emit('chat', message) // if only it were this easy nowadays...

    switch (packet.position) {
      case 0: tryParsingMessage(message, { senderUuid: packet.sender, players: bot.players, lang: bot.registry.language }); break
      case 1: bot.emit('system_chat', message); break
      // TODO: 2
    }
  })

  bot.on('chat', message => {
    const stringifyOptions = { lang: bot.registry.language }
    bot.emit('chat_plain', plainStringify(message, stringifyOptions), message)
    bot.emit('chat_color_code', colorCodeStringify(message, stringifyOptions), message)
    bot.emit('chat_ansi', ansiStringify(message, stringifyOptions), message)
    bot.emit('chat_html', htmlStringify(message, stringifyOptions), message)
    bot.emit('chat_irc', ircStringify(message, stringifyOptions), message)

    if (bot.chat.shouldLog(message)) bot.console.log(message)
  })

  function tryParsingMessage (message, data) {
    let parsed
    for (const parser of bot.chat.parsers) {
      parsed = parser(message, data)
      if (parsed) break
    }

    if (!parsed) return
    bot.emit('message', parsed)
  }
}

module.exports = inject