mineflayer

import * as mineflayer from 'mineflayer'
import { Error, Ok } from './gleam.mjs'
import * as bot from './mineflayer/bot.mjs'
import { option_or_undefined, mineflayer_error_to_gleam } from './utils_js.mjs'

export function create_bot(gleamBotOpts) {
	const jsBotOpts = {...gleamBotOpts}
	if (gleamBotOpts.auth instanceof bot.Microsoft) {
		jsBotOpts.auth = 'microsoft'
	} else if (gleamBotOpts.auth instanceof bot.Mojang) {
		return new Error(new bot.DeprecatedAuth(new Mojang()))
	} else  {
		jsBotOpts.auth = 'offline'
	}
	jsBotOpts.password = option_or_undefined(gleamBotOpts.password)
	jsBotOpts.logErrors = false
	jsBotOpts.hideErrors = true
	try {
		const b = mineflayer.createBot(jsBotOpts)
		b.on('error', (err) => {
			b.emit('gleam_error_123', mineflayer_error_to_gleam(err))
		})
		return new Ok(b)
	} catch (err) {
		if (err.message.startsWith('unsupported protocol version:')) {
			return new Error(new bot.UnsupportedProtocolVersion(err.message.substring(30)))
		}
		return new Error(new bot.UnknownError(err.message))
	}
}

export function end_bot(bot, reason) {
	bot.end(option_or_undefined(reason))
}

export function send_chat(bot, message) {
	bot.chat(message)
	return bot
}