/**
 * Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * 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.linkedin.pinot.tools;

import com.linkedin.pinot.controller.util.TableRetentionValidator;
import org.kohsuke.args4j.Option;


@SuppressWarnings("FieldCanBeLocal")
public class ValidateTableRetention extends AbstractBaseCommand implements Command {
  @Option(name = "-zkAddress", required = true, metaVar = "<string>", usage = "Address of the Zookeeper (host:port)")
  private String _zkAddress;

  @Option(name = "-clusterName", required = true, metaVar = "<string>", usage = "Pinot cluster name")
  private String _clusterName;

  @Option(name = "-tableNamePattern", required = false, metaVar = "<string>",
      usage = "Optional table name pattern to trigger adding inverted index, default: null (match any table name)")
  private String _tableNamePattern = null;

  @Option(name = "-durationInDaysThreshold", required = false, metaVar = "<long>",
      usage = "Optional duration in days threshold to log a warning for table with too large retention time, default: "
          + TableRetentionValidator.DEFAULT_DURATION_IN_DAYS_THRESHOLD)
  private long _durationInDaysThreshold = TableRetentionValidator.DEFAULT_DURATION_IN_DAYS_THRESHOLD;

  @Option(name = "-help", required = false, help = true, aliases = {"-h", "--h", "--help"},
      usage = "Print this message.")
  private boolean _help = false;

  @Override
  public boolean getHelp() {
    return _help;
  }

  @Override
  public String getName() {
    return getClass().getSimpleName();
  }

  @Override
  public String description() {
    return "Check the tables retention setting and segments metadata for the given cluster";
  }

  @Override
  public boolean execute()
      throws Exception {
    TableRetentionValidator tableRetentionValidator = new TableRetentionValidator(_zkAddress, _clusterName);
    tableRetentionValidator.overrideDefaultSettings(_tableNamePattern, _durationInDaysThreshold);
    tableRetentionValidator.run();
    return true;
  }
}