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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * 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
 * "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 org.apache.gravitino.dto.responses;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.ToString;
import org.apache.commons.lang3.StringUtils;
import org.apache.gravitino.dto.messaging.TopicDTO;

/** Represents a response to a topic. */
@Getter
@ToString
@EqualsAndHashCode(callSuper = true)
public class TopicResponse extends BaseResponse {

  @JsonProperty("topic")
  private final TopicDTO topic;

  /**
   * Creates a new TopicResponse.
   *
   * @param topic The topic DTO object.
   */
  public TopicResponse(TopicDTO topic) {
    super(0);
    this.topic = topic;
  }

  /** This is the constructor that is used by Jackson deserializer */
  public TopicResponse() {
    super();
    this.topic = null;
  }

  @Override
  public void validate() throws IllegalArgumentException {
    super.validate();

    Preconditions.checkArgument(topic != null, "topic must not be null");
    Preconditions.checkArgument(
        StringUtils.isNotBlank(topic.name()), "topic 'name' must not be null and empty");
  }
}