// Before running the sample:
// - Enable the API at:
//   https://console.developers.google.com/apis/api/content.googleapis.com
// - Login into gcloud by running:
//   `$ gcloud auth application-default login`
// - Install the npm module by running:
//   `$ npm install googleapis`

const {google} = require('googleapis');
const content = google.content('v2.1');

async function main() {
  const auth = new google.auth.GoogleAuth({
    // Scopes can be specified either as an array or as a single, space-delimited string.
    scopes: ['https://www.googleapis.com/auth/content'],
  });

  // Acquire an auth client, and bind it to all future calls
  const authClient = await auth.getClient();
  google.options({auth: authClient});

  // Do the magic
  const res = await content.ordertrackingsignals.create({
    // The ID of the merchant for which the order signal is created.
    merchantId: 'placeholder-value',

    // Request body metadata
    requestBody: {
      // request body parameters
      // {
      //   "customerShippingFee": {},
      //   "deliveryPostalCode": "my_deliveryPostalCode",
      //   "deliveryRegionCode": "my_deliveryRegionCode",
      //   "lineItems": [],
      //   "merchantId": "my_merchantId",
      //   "orderCreatedTime": {},
      //   "orderId": "my_orderId",
      //   "orderTrackingSignalId": "my_orderTrackingSignalId",
      //   "shipmentLineItemMapping": [],
      //   "shippingInfo": []
      // }
    },
  });
  console.log(res.data);

  // Example response
  // {
  //   "customerShippingFee": {},
  //   "deliveryPostalCode": "my_deliveryPostalCode",
  //   "deliveryRegionCode": "my_deliveryRegionCode",
  //   "lineItems": [],
  //   "merchantId": "my_merchantId",
  //   "orderCreatedTime": {},
  //   "orderId": "my_orderId",
  //   "orderTrackingSignalId": "my_orderTrackingSignalId",
  //   "shipmentLineItemMapping": [],
  //   "shippingInfo": []
  // }
}

main().catch(e => {
  console.error(e);
  throw e;
});