A Shelly Script to control Hue lights without the cloud.

hue.js

// control a hue lights group from a shelly device, without the cloud
// for shelly gen2 devices that have script support
// author: goncalomb <me@goncalomb.com>
// year: 2022

// 1. use the hue debugger (clip.html) to create a new username (POST to /api), see below
// 2. change HUE_URL and HUE_USERNAME
// 3. optionally change HUE_GROUP, SHELLY_INPUT and EDGE_SWITCH
// 4. add the script to your shelly (web ui)
// 5. done
// ?. adapt the script to your needs

// create hue username:
// https://developers.meethue.com/develop/get-started-2/
// https://<bridge ip address>/debug/clip.html
// POST /api {"devicetype":"shelly_btn"}

// shelly script documentation and examples:
// https://shelly-api-docs.shelly.cloud/gen2/Scripts/Tutorial
// https://shelly-api-docs.shelly.cloud/gen2/Scripts/ShellyScriptLanguageFeatures

let HUE_URL = "http://192.168.1.1/";
let HUE_USERNAME = "XXXXXXXXXX";
let HUE_GROUP = "1";
let SHELLY_INPUT = "input:0";
let EDGE_SWITCH = false; // change state with every hit

function request(params, callback, userdata) {
  Shelly.call("HTTP.Request", params, function (result, error_code, error_message, userdata) {
    if (error_code) {
      print("ERR", error_code, error_message);
    } else {
      print("RES", result.code, result.message, result.body);
      if (userdata.callback) {
        userdata.callback(result, userdata.userdata);
      }
    }
  }, {
    callback: callback,
    userdata: userdata,
  });
}

function get_state(callback) {
  request({
    method: "GET",
    url: HUE_URL + "api/" + HUE_USERNAME + "/groups/" + HUE_GROUP,
  }, function (result, callback) {
    let data = JSON.parse(result.body);
    callback(data.state.any_on);
  }, callback);
}

function put_state(state) {
  request({
    method: "PUT",
    url: HUE_URL + "api/" + HUE_USERNAME + "/groups/" + HUE_GROUP + "/action",
    body: state ? '{"on":true}' : '{"on":false}',
  });
}

Shelly.addEventHandler(function (event, userdata) {
  if (event.name === "input" && event.component === SHELLY_INPUT) {
    if (event.info.component === SHELLY_INPUT && event.info.event === "toggle") {
      if (EDGE_SWITCH) {
        get_state(function (state) {
          put_state(!state);
        });
      } else {
        put_state(event.info.state);
      }
    }
  }
});