// This is an example that uses mineflayer-pathfinder to showcase how simple it is to walk to goals

const mineflayer = require('mineflayer')
const { pathfinder, Movements, goals: { GoalNear } } = require('mineflayer-pathfinder')

if (process.argv.length < 4 || process.argv.length > 6) {
  console.log('Usage : node gps.js <host> <port> [<name>] [<password>]')
  process.exit(1)
}

const bot = mineflayer.createBot({
  host: process.argv[2],
  port: parseInt(process.argv[3]),
  username: process.argv[4] ? process.argv[4] : 'gps',
  password: process.argv[5]
})

const RANGE_GOAL = 1 // get within this radius of the player

bot.loadPlugin(pathfinder)

bot.once('spawn', () => {
  const defaultMove = new Movements(bot)

  bot.on('chat', (username, message) => {
    if (username === bot.username) return
    if (message !== 'come') return
    const target = bot.players[username]?.entity
    if (!target) {
      bot.chat("I don't see you !")
      return
    }
    const { x: playerX, y: playerY, z: playerZ } = target.position

    bot.pathfinder.setMovements(defaultMove)
    bot.pathfinder.setGoal(new GoalNear(playerX, playerY, playerZ, RANGE_GOAL))
  })
})