Update smart-home lights via amongus capture

among-us--lights.js

const { Discovery, Control } = require('magic-home');
const port = process.env.PORT || 8090;
const io = require('socket.io')(port);
const discovery = new Discovery();

const PlayerName = 'Fax';
/*

Color mapping

These are taken from simply using paint and getting the colors via the color picker.
Black, brown colors are definitely terrible colors (mostly show as white)

*/
const AmongUsColorMapping = [
  [198, 17, 17], // red
  [19, 45, 210], // blue
  [17, 108, 35], // green
  [238, 84, 187], // pink
  [240, 125, 13], // orange
  [246, 246, 87], // yellow
  [63, 71, 78], // black
  [255, 255, 255], // white
  [107, 48, 188], // purple
  [133, 73, 30], // brown
  [56, 255, 221], // cyan
  [80, 240, 57], // lime
];

// Small helper to sleep
function sleep(ms) {
  return new Promise(resolve => {
    setTimeout(resolve, ms);
  });
}

// Look for the lights
async function findLights(scanTime = 500) {
  return (await discovery.scan(scanTime)).map(
    device => new Control(device.address)
  );
}

let working = false;
async function setColor(lights, color) {
  // Lights wait on a lock to ensure only one command excutes at a time.
  while (working) {
    await sleep(10);
  }
  working = true;

  const [r, g, b] = AmongUsColorMapping[color];

  // Sometimes we don't find a light
  if (!lights.length) {
    return;
  }

  lights.forEach(light => {
    light.setColor(r, g, b, () => console.log);
  });

  // Reset the lock
  working = false;
}

function runServer(lights) {
  io.on('connection', socket => {
    let lastData = {};
    console.log('New connection / socket');
    socket.on('connectCode', data => {
      // This is the path of the aucapture param,
      /* aaaabbbb (its just a string)  */
      // console.log('connectCode', { data });
    });
    socket.on('lobby', data => {
      // This pretty much just contains information about the current lobby,
      /*{"LobbyCode":"ONOSIF","Region":2}*/
      // console.log('lobby', { data });
    });
    socket.on('state', data => {
      // Contains current game state
      /* 3 (literally just a number) */
      // console.log('state', { data });
    });
    socket.on('player', data => {
      // Contains player state information
      /* {"Action":0,"Name":"Banana man","IsDead":false,"Disconnected":false,"Color":5} */
      // console.log('player', { data });
      if (data === lastData) {
        // aucapture seems to send the same event twice. This avoids us overloading the lights
        return;
      }
      lastData = data;
      let { Name, Color } = JSON.parse(data);
      if (Name !== PlayerName) {
        return;
      }
      setColor(lights, Color);
    });
  });
}

function run() {
  const lights = findLights(1000);
  runServer(lights);
  console.log(`Run among us capture, then hit the following url`);
  console.log(`aucapture://localhost:8090/aaaabbbb?insecure`);
}
run();