Spotify CastV2 Client example

spotify-castv2-client-example.js

const Client = require('castv2-client').Client;
const Spotify = require('./Spotify');
const mdns = require('mdns');

const browser = mdns.createBrowser(mdns.tcp('googlecast'));

browser.on('serviceUp', function(service) {
	console.log('found device "%s" at %s:%d', service.txtRecord.fn, service.addresses[0], service.port);
	if (service.txtRecord.fn === process.env.SPOTFIY_DEVICE) {
		ondeviceup(service.addresses[0], service.txtRecord.fn);
		browser.stop();
	}
});

browser.start();

function ondeviceup(host, device_name) {
	var client = new Client();
	client.connect(host, function() {
		console.log('connected, launching Spotify app on ' + device_name + '...');
		client.launch(Spotify, async(err, player) => {

			await player.authenticate({
				username: process.env.SPOTIFY_USERNAME, 
				password: process.env.SPOTIFY_PASSWORD, 
				device_name: process.env.SPOTIFY_DEVICE
			});

			console.log('Authentication OK');

			const artist = (await player.getAPI().searchArtists('Arcade Fire')).body.artists.items;
			await player.play({
				context_uri: artist[0].uri
			});
			console.log('Play OK');

			setTimeout(() => {
				player.pause();
				console.log('Pause OK');
			}, 10 * 1000);
		});
	});

	client.on('error', function(err) {
		console.log('Error: %s', err.message);
		client.close();
	});
}