gistfile1.js

(function() {
  var fs, getBridge, getUser, getUsernameForBridge, hslLights, hue, keypress, mod, q, startKeypress, toggleWarmWhite, _;

  fs = require('fs');

  _ = require('underscore');

  hue = require("node-hue-api");

  q = require("q");

  keypress = require('keypress');

  keypress(process.stdin);

  mod = function(n, m) {
    return ((n % m) + m) % m;
  };

  getUsernameForBridge = function(id) {
    if (fs.existsSync('usernames')) {
      return JSON.parse(fs.readFileSync('usernames', {
        'encoding': 'utf8'
      }))[id];
    }
  };

  getBridge = function() {
    return hue.locateBridges().then(function(bridges) {
      if (!(bridges.length > 0)) {
        throw new Error('No bridges detected.');
      } else {
        return bridges[0];
      }
    });
  };

  getUser = function(bridge) {
    var username;
    username = getUsernameForBridge(bridge.id);
    if (username) {
      console.log('Found existing user:', username);
      return q(username);
    } else {
      return (new hue.HueApi()).registerUser(bridge.ipaddress).then(function(username) {
        var bridgeToUsername;
        bridgeToUsername = fs.existsSync('usernames') ? JSON.parse(fs.readFileSync('usernames', {
          'encoding': 'utf8'
        })) : {};
        bridgeToUsername[bridge.id] = username;
        fs.writeFileSync('usernames', JSON.stringify(bridgeToUsername));
        console.log('Registered new user:', username);
        return username;
      });
    }
  };

  hslLights = function(api, lights, h, s, l) {
    var light, _i, _len, _results;
    _results = [];
    for (_i = 0, _len = lights.length; _i < _len; _i++) {
      light = lights[_i];
      console.log('Setting', light.name, 'to', h, s, l);
      _results.push(api.setLightState(light.id, hue.lightState.create().hsl(h, s, l).transition(0.2).on()));
    }
    return _results;
  };

  toggleWarmWhite = function(api, lights) {
    console.log('Toggling lights');
    return api.lightStatus(lights[0].id).then(function(status) {
      var light, lightsOn, _i, _len, _results;
      lightsOn = status.state.on;
      _results = [];
      for (_i = 0, _len = lights.length; _i < _len; _i++) {
        light = lights[_i];
        if (lightsOn) {
          console.log('Lights going off');
          _results.push(api.setLightState(light.id, hue.lightState.create().off()));
        } else {
          console.log('Lights going on');
          _results.push(api.setLightState(light.id, hue.lightState.create().on().white(360, 80)));
        }
      }
      return _results;
    });
  };

  startKeypress = function(api, lights) {
    process.stdin.on('keypress', function(ch, key) {
      console.log('Keypress received', ch, key);
      if (key && key.name && key.name === 'w') {
        toggleWarmWhite(api, lights);
      }
      if (key && key.ctrl && key.name === 'c') {
        return process.stdin.pause();
      }
    });
    process.stdin.setRawMode(true);
    return process.stdin.resume();
  };

  getBridge().then(function(bridge) {
    return getUser(bridge).then(function(username) {
      var api;
      api = new hue.HueApi(bridge.ipaddress, username);
      return api.searchForNewLights().then(function() {
        return api.lights().then(function(lights) {
          console.log('Found lights', lights);
          return startKeypress(api, lights.lights);
        });
      });
    });
  }).done();

}).call(this);