// Before running the sample:
// - Enable the API at:
//   https://console.developers.google.com/apis/api/drive.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 drive = google.drive('v2');

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/drive',
      'https://www.googleapis.com/auth/drive.appdata',
      'https://www.googleapis.com/auth/drive.file',
      'https://www.googleapis.com/auth/drive.metadata',
      'https://www.googleapis.com/auth/drive.metadata.readonly',
      'https://www.googleapis.com/auth/drive.photos.readonly',
      'https://www.googleapis.com/auth/drive.readonly',
    ],
  });

  // 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 drive.parents.list({
    // The ID of the file.
    fileId: 'placeholder-value',
  });
  console.log(res.data);

  // Example response
  // {
  //   "etag": "my_etag",
  //   "items": [],
  //   "kind": "my_kind",
  //   "selfLink": "my_selfLink"
  // }
}

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