const net = require('net');
const port = process.env.PORT ? (process.env.PORT - 100) : 3000;

process.env.ELECTRON_START_URL = `http://localhost:${port}`;

const client = new net.Socket();

let startedElectron = false;
const tryConnection = () => client.connect({port: port}, () => {
	client.end();
	if (!startedElectron) {
		console.log('starting electron');
		startedElectron = true;
		const exec = require('child_process').exec;
		exec('npm run electron');
	}
});

tryConnection();

client.on('error', (error) => {
	if (error) {
		console.error(error);
		return;
	}

	setTimeout(tryConnection, 1000);
});