/*
 * Copyright (c) 2017 Public Library of Science
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package org.ambraproject.rhino.config;

import com.google.common.base.Joiner;
import org.ambraproject.rhino.model.Comment;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.LongSerializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.hibernate.EmptyInterceptor;
import org.hibernate.type.Type;

import java.io.Serializable;
import java.util.Properties;
import java.util.Set;

public class HibernateLoggingInterceptor extends EmptyInterceptor {

  private Producer<String, Object> eventProducer;

  public HibernateLoggingInterceptor(RuntimeConfiguration runtimeConfiguration) {
    super();
    Properties props = new Properties();
    final Set<String> servers = runtimeConfiguration.getKafkaConfiguration().getServers();
    props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, Joiner.on(',').join(servers));
    props.put(ProducerConfig.CLIENT_ID_CONFIG, "RhinoEventProducerService");
    props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, LongSerializer.class.getName());
    props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
    eventProducer = new KafkaProducer<>(props);
  }

  @Override
  public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
    if (entity instanceof Comment) {
      Comment comment = (Comment) entity;
      final String commentCreationMessage = String.format("Comment created. URI: %s ", comment.getCommentUri());
      final ProducerRecord<String, Object> producerRecord = new ProducerRecord<>("ambra-comment-created",
          commentCreationMessage);
      eventProducer.send(producerRecord);
    }
    return super.onSave(entity, id, state, propertyNames, types);
  }
}

/*
 * Copyright (c) 2017 Public Library of Science
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package org.ambraproject.rhino.config;

import com.google.common.base.Joiner;
import org.ambraproject.rhino.model.Comment;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.LongSerializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.hibernate.EmptyInterceptor;
import org.hibernate.type.Type;

import java.io.Serializable;
import java.util.Properties;
import java.util.Set;

public class HibernateLoggingInterceptor extends EmptyInterceptor {

  private Producer<String, Object> kafkaEventProducer;

  public HibernateLoggingInterceptor(RuntimeConfiguration runtimeConfiguration) {
    super();
    Properties props = new Properties();
    Set<String> servers = runtimeConfiguration.getKafkaConfiguration().getServers();
    props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, Joiner.on(',').join(servers));
    props.put(ProducerConfig.CLIENT_ID_CONFIG, "RhinoEventProducerService");
    props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, LongSerializer.class.getName());
    props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
    kafkaEventProducer = new KafkaProducer<>(props);
  }

  @Override
  public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
    if (entity instanceof Comment) {
      Comment comment = (Comment) entity;
      String commentCreationMessage = String.format("Comment created. URI: %s ", comment.getCommentUri());
      kafkaEventProducer.send(new ProducerRecord<>("ambra-comment-created", commentCreationMessage));
    }
    return super.onSave(entity, id, state, propertyNames, types);
  }

  @Override
  public void onDelete(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
    if (entity instanceof Comment) {
      Comment comment = (Comment) entity;
      String commentDeletionMessage = String.format("Comment deleted. URI: %s ", comment.getCommentUri());
      kafkaEventProducer.send(new ProducerRecord<>("ambra-comment-deleted", commentDeletionMessage));
    }
    super.onDelete(entity, id, state, propertyNames, types);
  }
}

add Kafka logging for comment deletion