mini-chromecast

#!/usr/bin/node
/*
 * Simple script to return the Chromecast playing status
 * Output: playing, paused and some other values I guess
 * We can also use it for short commands like pause and play
*/

var host = process.argv[2] || null,
  command = process.argv[3] || null;

if (!host || !command || (command !== "status" && command !== "pause" && command !== "play")) {
  // Show help
  console.log("Usage:");
  console.log("./mini-chromecast host command");
  console.log("   status: shows player status");
  console.log("   pause: pauses running application");
  console.log("   play: continues playing in running application");
  process.exit();
}

var PS = require('castv2-client/lib/senders/platform');
var client = new PS();

client.connect(host, function() {

  client.getSessions(function(err, apps) {
    if (err) { output("unknown"); }
    if (! apps.length) { output("stopped"); }

    var session = apps[0];
    var myApp = require("./classes/api");

    client.join(session, myApp, function(err, player) {

      if (command === "status") {
        player.getStatus(function (err, status) {
          output(status.playerState.toLowerCase());
        });
      }

      if (command === "pause") {
        player.pause(function() {
          process.exit();
        });
      }

      if (command === "play") {
        player.play(function() {
          process.exit();
        });
      }

      /*
      For when it keeps running
      player.on('status', function(status) {
        output(status.playerState.toLowerCase());
      });
      */
    });
  });

});


function output(status) {
  if (command === "status") {
    console.log(status);
  }
  process.exit();
}