// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

'use strict';

// sample-metadata:
//   title: BigQuery List Models Streaming
//   description: Lists all existing models in the dataset using streaming method.
//   usage: node listModelsStreaming.js <DATASET_ID>

function main(datasetId = 'my_dataset') {
  // [START bigquery_list_models_streaming]

  // Import the Google Cloud client library
  const {BigQuery} = require('@google-cloud/bigquery');
  const bigquery = new BigQuery();

  async function listModels() {
    // Lists all existing models in the dataset using streaming method.

    /**
     * TODO(developer): Uncomment the following lines before running the sample.
     */
    // const datasetId = "my_dataset";

    const dataset = bigquery.dataset(datasetId);

    dataset
      .getModelsStream()
      .on('error', console.error)
      .on('data', model => {
        console.log(model.metadata);
      })
      .on('end', () => {
        console.log('All models have been retrieved.');
      });
  }
  // [END bigquery_list_models_streaming]
  listModels();
}

main(...process.argv.slice(2));