const { containsIllegalCharacters } = require('../util/containsIllegalCharacters')
const { chatPacketListener, parsePlayerMessages } = require('../util/chat')
const minecraftVersionToNumber = require('../util/minecraftVersionToNumber')

function inject (bot, dcclient, config) {
  bot.chatQueue = []
  bot._chatQueue = []

  const _chatQueueInterval = setInterval(() => {
    if (bot.chatQueue.length !== 0) {
      if (containsIllegalCharacters(bot.chatQueue[0])) {
        bot.chatQueue.shift()
        return
      };
      // totallynotskidded™️ from mineflayer/lib/plugins/chat.js
      for (const subMessage of bot.chatQueue[0].split('\n')) {
        if (!subMessage) return
        let smallMsg
        for (let i = 0; i < subMessage.length; i += config.chat.messageLength) {
          smallMsg = subMessage.substring(i, i + config.chat.messageLength)
          bot._chatQueue.push(smallMsg)
        }
      }
      bot.chatQueue.shift()
    }
  }, 0)

  const chatQueueInterval = setInterval(function () {
    if (bot._chatQueue.length !== 0) {
      if (minecraftVersionToNumber(bot.version) >= 1.19) {
        // totallynotskidded™️ from mineflayer/lib/plugins/chat.js
        if (bot._chatQueue[0].startsWith('/')) {
          bot.write('chat_command', {
            command: bot._chatQueue[0].substring(1), // removes / from the command
            timestamp: BigInt(Date.now()),
            salt: 0n,
            argumentSignatures: [],
            signedPreview: false
          })
        } else {
          bot.write('chat_message', {
            message: bot._chatQueue[0],
            timestamp: BigInt(Date.now()),
            salt: 0,
            signature: Buffer.alloc(0) // the bot will never go online mode i guess so i will just use this
          })
        }
      } else {
        bot.write('chat', { message: bot._chatQueue[0] })
      }
      bot._chatQueue.shift()
    }
  }, 450)

  bot.chat = (message) => {
    bot.chatQueue.push(String(message))
  }

  bot.on('end', () => {
    clearInterval(chatQueueInterval)
    clearInterval(_chatQueueInterval)
  })

  function listener (packet) {
    chatPacketListener(
      packet,
      bot,
      minecraftVersionToNumber(bot.version) >= 1.19
    )
  }
  bot._client.on('system_chat', listener)
  bot._client.on('chat', listener)

  bot.on('message', (message, packet) => parsePlayerMessages(message, packet, bot))
}

module.exports = { inject }