// A plug, as an ES module: the same library with import. Alexa.PowerController.
//
//   ALEX2MQTT_USERNAME=... ALEX2MQTT_PASSWORD=... ALEX2MQTT_ROOT_TOPIC=... node examples/plug.mjs
//
// "alex2node" is the installed package; inside this checkout it resolves to the built dist/.
import { Alex2MQTT, PowerController } from "alex2node";

const missing = ["ALEX2MQTT_USERNAME", "ALEX2MQTT_PASSWORD", "ALEX2MQTT_ROOT_TOPIC"].filter((name) => !process.env[name]);
if (missing.length > 0) {
  console.error(`${missing.join(", ")} not set. Set the MQTT user name, the password and the root topic of your Alex2MQTT account.`);
  process.exit(1);
}
const { ALEX2MQTT_USERNAME, ALEX2MQTT_PASSWORD, ALEX2MQTT_ROOT_TOPIC } = process.env;

const bridge = new Alex2MQTT(ALEX2MQTT_USERNAME, ALEX2MQTT_PASSWORD, ALEX2MQTT_ROOT_TOPIC);
bridge.on("connect", () => console.log("connected, discover the devices in the Alexa app"));
bridge.on("error", (err) => console.error("bridge:", err.message));

const plug = { on: false };

const device = bridge.addDevice({ endpointId: "coffee-plug", name: "Coffee Machine", categories: ["SMARTPLUG"] });
const power = device.add(PowerController);

device.state((s) => s.set(power, "powerState", plug.on ? "ON" : "OFF").health("OK"));

power.on("TurnOn", (ctx) => {
  plug.on = true;
  return ctx.respond();
});
power.on("TurnOff", (ctx) => {
  plug.on = false;
  return ctx.respond();
});

bridge.connect();