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// const deviceId = `myDevice`;
// const gatewayId = `mygateway`;
// const registryId = `myRegistry`;
// const projectId = `my-project-123`;
// const region = `us-central1`;
// const algorithm = `RS256`;
// const privateKeyFile = `./rsa_private.pem`;
// const serverCertFile = `./roots.pem`;
/**
 * @see https://clearblade.atlassian.net/wiki/spaces/IC/pages/2210299905/Retargeting+Devices#Production-URL-%2F-URLs for a full URL list of URLs
 */
// const mqttBridgeHostname = `us-central1-mqtt.clearblade.com`;
// const mqttBridgePort = 8883;
// const clientDuration = 60000;

const mqttClientId = `projects/${projectId}/locations/${region}/registries/${registryId}/devices/${gatewayId}`;
console.log(mqttClientId);
const connectionArgs = {
  host: mqttBridgeHostname,
  port: mqttBridgePort,
  clientId: mqttClientId,
  username: "unused",
  password: createJwt(projectId, privateKeyFile, algorithm),
  protocol: "mqtts",
  qos: 1,
  secureProtocol: "TLSv1_2_method",
  ca: [readFileSync(serverCertFile)],
};

// Create a client and connect to the ClearBlade MQTT bridge.
const client = mqtt.connect(connectionArgs);

client.on("connect", (success) => {
  if (!success) {
    console.log("Client not connected...");
  } else {
    setTimeout(() => {
      // Subscribe to gateway error topic.
      client.subscribe(`/devices/${gatewayId}/errors`, { qos: 0 });

      attachDevice(deviceId, client);

      setTimeout(() => {
        console.log("Closing connection to MQTT. Goodbye!");
        client.end(true);
      }, clientDuration); // Safely detach the device and close the connection.
    }, 5000);
  }
});

client.on("close", () => {
  console.log("Connection closed");
  shouldBackoff = true;
});

client.on("error", (err) => {
  console.log("error", err);
});

client.on("message", (topic, message) => {
  const decodedMessage = Buffer.from(message, "base64").toString("ascii");

  console.log(`message received on error topic ${topic}: ${decodedMessage}`);
});

client.on("packetsend", () => {
  // Logging packet send is very verbose
});