/*
 * 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.activemq.artemis.core.persistence.impl.journal.codec;

import java.util.LinkedList;
import java.util.List;

import org.apache.activemq.artemis.api.config.ActiveMQDefaultConfiguration;
import org.apache.activemq.artemis.api.core.ActiveMQBuffer;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.journal.EncodingSupport;
import org.apache.activemq.artemis.core.persistence.QueueBindingInfo;
import org.apache.activemq.artemis.utils.DataConstants;

public class PersistentQueueBindingEncoding implements EncodingSupport, QueueBindingInfo {

   public long id;

   public SimpleString name;

   public SimpleString address;

   public SimpleString filterString;

   public boolean autoCreated;

   public SimpleString user;

   public List<QueueStatusEncoding> queueStatusEncodings;

   public int maxConsumers;

   public boolean purgeOnNoConsumers;

   public boolean exclusive;

   public boolean lastValue;

   public byte routingType;

   public PersistentQueueBindingEncoding() {
   }

   @Override
   public String toString() {
      return "PersistentQueueBindingEncoding [id=" + id +
         ", name=" +
         name +
         ", address=" +
         address +
         ", filterString=" +
         filterString +
         ", user=" +
         user +
         ", autoCreated=" +
         autoCreated +
         ", maxConsumers=" +
         maxConsumers +
         ", purgeOnNoConsumers=" +
         purgeOnNoConsumers +
         ", exclusive=" +
         exclusive +
         ", lastValue=" +
         lastValue +
         ", routingType=" +
         routingType +
         "]";
   }

   public PersistentQueueBindingEncoding(final SimpleString name,
                                         final SimpleString address,
                                         final SimpleString filterString,
                                         final SimpleString user,
                                         final boolean autoCreated,
                                         final int maxConsumers,
                                         final boolean purgeOnNoConsumers,
                                         final boolean exclusive,
                                         final boolean lastValue,
                                         final byte routingType) {
      this.name = name;
      this.address = address;
      this.filterString = filterString;
      this.user = user;
      this.autoCreated = autoCreated;
      this.maxConsumers = maxConsumers;
      this.purgeOnNoConsumers = purgeOnNoConsumers;
      this.exclusive = exclusive;
      this.lastValue = lastValue;
      this.routingType = routingType;
   }

   @Override
   public long getId() {
      return id;
   }

   public void setId(final long id) {
      this.id = id;
   }

   @Override
   public SimpleString getAddress() {
      return address;
   }

   @Override
   public void replaceQueueName(SimpleString newName) {
      this.name = newName;
   }

   @Override
   public SimpleString getFilterString() {
      return filterString;
   }

   @Override
   public SimpleString getQueueName() {
      return name;
   }

   @Override
   public SimpleString getUser() {
      return user;
   }

   @Override
   public boolean isAutoCreated() {
      return autoCreated;
   }

   @Override
   public void addQueueStatusEncoding(QueueStatusEncoding status) {
      if (queueStatusEncodings == null) {
         queueStatusEncodings = new LinkedList<>();
      }
      queueStatusEncodings.add(status);
   }

   @Override
   public List<QueueStatusEncoding> getQueueStatusEncodings() {
      return queueStatusEncodings;
   }

   @Override
   public int getMaxConsumers() {
      return maxConsumers;
   }

   @Override
   public void setMaxConsumers(int maxConsumers) {
      this.maxConsumers = maxConsumers;
   }

   @Override
   public boolean isPurgeOnNoConsumers() {
      return purgeOnNoConsumers;
   }

   @Override
   public void setPurgeOnNoConsumers(boolean purgeOnNoConsumers) {
      this.purgeOnNoConsumers = purgeOnNoConsumers;
   }

   @Override
   public boolean isExclusive() {
      return exclusive;
   }

   @Override
   public void setExclusive(boolean exclusive) {
      this.exclusive = exclusive;
   }

   @Override
   public boolean isLastValue() {
      return lastValue;
   }

   @Override
   public void setLastValue(boolean lastValue) {
      this.lastValue = lastValue;
   }

   @Override
   public byte getRoutingType() {
      return routingType;
   }

   @Override
   public void setRoutingType(byte routingType) {
      this.routingType = routingType;
   }

   @Override
   public void decode(final ActiveMQBuffer buffer) {
      name = buffer.readSimpleString();
      address = buffer.readSimpleString();
      filterString = buffer.readNullableSimpleString();

      String metadata = buffer.readNullableSimpleString().toString();
      if (metadata != null) {
         String[] elements = metadata.split(";");
         for (String element : elements) {
            String[] keyValuePair = element.split("=");
            if (keyValuePair.length == 2) {
               if (keyValuePair[0].equals("user")) {
                  user = SimpleString.toSimpleString(keyValuePair[1]);
               }
            }
         }
      }

      autoCreated = buffer.readBoolean();

      if (buffer.readableBytes() > 0) {
         maxConsumers = buffer.readInt();
         purgeOnNoConsumers = buffer.readBoolean();
         routingType = buffer.readByte();
      } else {
         maxConsumers = ActiveMQDefaultConfiguration.getDefaultMaxQueueConsumers();
         purgeOnNoConsumers = ActiveMQDefaultConfiguration.getDefaultPurgeOnNoConsumers();
         routingType = ActiveMQDefaultConfiguration.getDefaultRoutingType().getType();
      }

      if (buffer.readableBytes() > 0) {
         exclusive = buffer.readBoolean();
      } else {
         exclusive = ActiveMQDefaultConfiguration.getDefaultExclusive();
      }
      if (buffer.readableBytes() > 0) {
         lastValue = buffer.readBoolean();
      } else {
         lastValue = ActiveMQDefaultConfiguration.getDefaultLastValue();
      }
   }

   @Override
   public void encode(final ActiveMQBuffer buffer) {
      buffer.writeSimpleString(name);
      buffer.writeSimpleString(address);
      buffer.writeNullableSimpleString(filterString);
      buffer.writeNullableSimpleString(createMetadata());
      buffer.writeBoolean(autoCreated);
      buffer.writeInt(maxConsumers);
      buffer.writeBoolean(purgeOnNoConsumers);
      buffer.writeByte(routingType);
      buffer.writeBoolean(exclusive);
      buffer.writeBoolean(lastValue);
   }

   @Override
   public int getEncodeSize() {
      return SimpleString.sizeofString(name) + SimpleString.sizeofString(address) +
         SimpleString.sizeofNullableString(filterString) + DataConstants.SIZE_BOOLEAN +
         SimpleString.sizeofNullableString(createMetadata()) +
         DataConstants.SIZE_INT +
         DataConstants.SIZE_BOOLEAN +
         DataConstants.SIZE_BYTE +
         DataConstants.SIZE_BOOLEAN +
         DataConstants.SIZE_BOOLEAN;
   }

   private SimpleString createMetadata() {
      StringBuilder metadata = new StringBuilder();
      metadata.append("user=").append(user).append(";");
      return SimpleString.toSimpleString(metadata.toString());
   }
}
