/**
 * Send a NTFY message with an update of what happened. If the password was used or not...
 */

const fetch = require('node-fetch');

exports.handler = async function(context, event, callback) {
	let twiml = new Twilio.twiml.VoiceResponse();
	let config = JSON.parse(event.config);

	// should be a list of strings representing user ids in discord
	let discordUsers = config.discordUsers || [];

	let msg;
	let optionalJson = event.fingerprint;

	if (event.Method == 'doorman') {
		msg = '🔓 Doorman buzzed someone up';
	} else if (event.Method == 'doorman-time-lock') {
		msg = '🔒 Doorman rejected a buzzer call due to time restriction';
	} else if (event.Method == 'call') {
		msg = '📞 Somebody buzzed the door and it dialed through to a fallback phone number';
	}

	msg += ` @ Door "${config.door}"`;

	let promises = discordUsers.map((u) => 
		fetch(context.DOORMAN_URL + `/api/door/notify?discordUser=${u}&msg=${msg}&json=${optionalJson}`)
			.catch(err => console.log(err))
	);

	await Promise.all(promises)
		.catch (e => console.log(e));

	return callback(null, twiml);
};