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// regarding copyright ownership.  The ASF licenses this file
// to you 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
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package org.apache.kudu.client;

import com.google.protobuf.Message;
import io.netty.util.Timer;
import org.apache.yetus.audience.InterfaceAudience;

import org.apache.kudu.master.Master;
import org.apache.kudu.util.Pair;

/**
 * RPC to delete tables
 */
@InterfaceAudience.Private
class DeleteTableRequest extends KuduRpc<DeleteTableResponse> {

  static final String DELETE_TABLE = "DeleteTable";

  private final String name;

  private int reserveSeconds = -1;

  DeleteTableRequest(KuduTable table,
                     String name,
                     Timer timer,
                     long timeoutMillis,
                     int reserveSeconds) {
    super(table, timer, timeoutMillis);
    this.name = name;
    this.reserveSeconds = reserveSeconds;
  }

  DeleteTableRequest(KuduTable table,
                     String name,
                     Timer timer,
                     long timeoutMillis) {
    super(table, timer, timeoutMillis);
    this.name = name;
  }

  @Override
  Message createRequestPB() {
    final Master.DeleteTableRequestPB.Builder builder = Master.DeleteTableRequestPB.newBuilder();
    Master.TableIdentifierPB tableID =
        Master.TableIdentifierPB.newBuilder().setTableName(name).build();
    builder.setTable(tableID);
    if (reserveSeconds >= 0) {
      builder.setReserveSeconds(reserveSeconds);
    }
    return builder.build();
  }

  @Override
  String serviceName() {
    return MASTER_SERVICE_NAME;
  }

  @Override
  String method() {
    return DELETE_TABLE;
  }

  @Override
  Pair<DeleteTableResponse, Object> deserialize(CallResponse callResponse,
                                                String tsUUID) throws KuduException {
    final Master.DeleteTableResponsePB.Builder builder = Master.DeleteTableResponsePB.newBuilder();
    readProtobuf(callResponse.getPBMessage(), builder);
    DeleteTableResponse response =
        new DeleteTableResponse(timeoutTracker.getElapsedMillis(), tsUUID);
    return new Pair<DeleteTableResponse, Object>(
        response, builder.hasError() ? builder.getError() : null);
  }
}