/*
 * Copyright 2018 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.
 */

package com.google.cloud.examples.bigquery.snippets;

import com.google.cloud.bigquery.Acl;
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQuery.DatasetDeleteOption;
import com.google.cloud.bigquery.Dataset;
import com.google.cloud.bigquery.DatasetInfo;
import com.google.cloud.bigquery.testing.RemoteBigQueryHelper;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.List;
import java.util.concurrent.ExecutionException;

import static org.junit.Assert.*;

public class ITDatasetInfoSnippets {

  private static final String DATASET = RemoteBigQueryHelper.generateDatasetName();

  private static BigQuery bigquery;
  private static DatasetInfoSnippets datasetInfoSnippets;
  private static ByteArrayOutputStream bout;
  private static PrintStream out;

  @Rule public Timeout globalTimeout = Timeout.seconds(300);

  @BeforeClass
  public static void beforeClass() {
    bigquery = RemoteBigQueryHelper.create().getOptions().getService();
    datasetInfoSnippets = new DatasetInfoSnippets(bigquery);
    bigquery.create(DatasetInfo.newBuilder(DATASET).build());
    bout = new ByteArrayOutputStream();
    out = new PrintStream(bout);
    System.setOut(out);
  }

  @AfterClass
  public static void afterClass() throws ExecutionException, InterruptedException {
    bigquery.delete(DATASET, DatasetDeleteOption.deleteContents());
    System.setOut(null);
  }

  @Test
  public void testUpdateDatasetAccess() throws InterruptedException {
    Dataset dataset = bigquery.getDataset(DATASET);
    List<Acl> beforeAcls = datasetInfoSnippets.updateDatasetAccess(dataset);
    dataset = bigquery.getDataset(DATASET);
    List<Acl> afterAcls = dataset.getAcl();
    assertEquals(beforeAcls.size() + 1, afterAcls.size());
  }

  @Test
  public void testUpdateDatasetExpiration() throws InterruptedException {
    Dataset dataset = bigquery.getDataset(DATASET);
    Long beforeExpiration = datasetInfoSnippets.updateDatasetExpiration(dataset);
    dataset = bigquery.getDataset(DATASET);
    Long afterExpiration = dataset.getDefaultTableLifetime();
    assertNotEquals(beforeExpiration, afterExpiration);
  }
}
