/**
 * Used for global auth management
 */

const fs = require('fs-extra');
const { log, path, arrayEquals } = require('./utils');

let users;
try {
	users = require('./auth.json').users || {};

	// Monitor auth.json for changes (triggered by running 'npm run new-token')
	fs.watch(path('auth.json'), { persistent: false },
		(eventType) => eventType === 'change' && fs.readJson(path('auth.json'))
			.then((json) => {
				if (!(arrayEquals(Object.keys(users), Object.keys(json.users)))) {
					Object.keys(json.users).forEach((token) => (!Object.prototype.hasOwnProperty.call(users, token)) && (users[token] = json.users[token]));
					log(`New token added: ${Object.keys(users)[Object.keys(users).length - 1]}`);
				}
			})
			.catch(console.error));
} catch (ex) {
	console.error(ex);
	users = {};
}

module.exports = users;