package org.metricshub.ipmi.core.coding.commands.payload;
   
   /*-
    * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
    * IPMI Java Client
    * ჻჻჻჻჻჻
    * Copyright 2023 Verax Systems, MetricsHub
    * ჻჻჻჻჻჻
    * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License as
   * published by the Free Software Foundation, either version 3 of the
   * License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Lesser Public License for more details.
   *
   * You should have received a copy of the GNU General Lesser Public
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/lgpl-3.0.html>.
   * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
   */
  
  import org.metricshub.ipmi.core.coding.commands.CommandCodes;
  import org.metricshub.ipmi.core.coding.commands.IpmiCommandCoder;
  import org.metricshub.ipmi.core.coding.commands.IpmiVersion;
  import org.metricshub.ipmi.core.coding.commands.ResponseData;
  import org.metricshub.ipmi.core.coding.payload.CompletionCode;
  import org.metricshub.ipmi.core.coding.payload.IpmiPayload;
  import org.metricshub.ipmi.core.coding.payload.lan.IPMIException;
  import org.metricshub.ipmi.core.coding.payload.lan.IpmiLanRequest;
  import org.metricshub.ipmi.core.coding.payload.lan.IpmiLanResponse;
  import org.metricshub.ipmi.core.coding.payload.lan.NetworkFunction;
  import org.metricshub.ipmi.core.coding.protocol.AuthenticationType;
  import org.metricshub.ipmi.core.coding.protocol.IpmiMessage;
  import org.metricshub.ipmi.core.coding.protocol.PayloadType;
  import org.metricshub.ipmi.core.coding.security.CipherSuite;
  import org.metricshub.ipmi.core.common.MessageComposer;
  import org.metricshub.ipmi.core.common.MessageReader;
  import org.metricshub.ipmi.core.common.TypeConverter;
  
  import java.security.InvalidKeyException;
  import java.security.NoSuchAlgorithmException;
  
  /**
   * Wrapper for Get Payload Activation Status Command.
   */
  public class GetPayloadActivationStatus extends IpmiCommandCoder {
  
      private static final int REQUEST_DATA_LENGTH = 1;
      private static final int INSTANCE_CAPACITY_FIELD_LENGTH = 1;
      private static final int AVAILABLE_INSTANCES_FIELD_LENGTH = 2;
  
      private final PayloadType payloadType;
  
      public GetPayloadActivationStatus(CipherSuite cipherSuite, PayloadType payloadType) {
          super(IpmiVersion.V20, cipherSuite, AuthenticationType.RMCPPlus);
          this.payloadType = payloadType;
      }
  
      public GetPayloadActivationStatus(PayloadType payloadType) {
          this.payloadType = payloadType;
      }
  
      @Override
      public byte getCommandCode() {
          return CommandCodes.GET_PAYLOAD_ACTIVATION_STATUS;
      }
  
      @Override
      public NetworkFunction getNetworkFunction() {
          return NetworkFunction.ApplicationRequest;
      }
  
      @Override
      protected IpmiPayload preparePayload(int sequenceNumber) throws NoSuchAlgorithmException, InvalidKeyException {
          byte[] message = MessageComposer.get(REQUEST_DATA_LENGTH)
                  .appendField(TypeConverter.intToByte(payloadType.getCode()))
                  .getMessage();
  
          return new IpmiLanRequest(getNetworkFunction(), getCommandCode(), message, TypeConverter.intToByte(sequenceNumber));
      }
  
      @Override
      public ResponseData getResponseData(IpmiMessage message) throws IPMIException, NoSuchAlgorithmException, InvalidKeyException {
          if (!isCommandResponse(message)) {
              throw new IllegalArgumentException("This is not a response for Get Payload Activation Status");
          }
  
          if (!(message.getPayload() instanceof IpmiLanResponse)) {
              throw new IllegalArgumentException("Invalid response payload");
          }
  
          if (((IpmiLanResponse) message.getPayload()).getCompletionCode() != CompletionCode.Ok) {
              throw new IPMIException(((IpmiLanResponse) message.getPayload()).getCompletionCode());
          }
  
          MessageReader messageReader = new MessageReader(message.getPayload().getData());
 
         GetPayloadActivationStatusResponseData responseData = new GetPayloadActivationStatusResponseData();
 
         byte instaceCapacity = messageReader.readNextField(INSTANCE_CAPACITY_FIELD_LENGTH)[0];
         responseData.setInstanceCapacity(instaceCapacity);
 
         byte[] availableInstancesData = messageReader.readNextField(AVAILABLE_INSTANCES_FIELD_LENGTH);
         responseData.setAvailableInstances(availableInstancesData);
 
         return responseData;
     }
 
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
 
         GetPayloadActivationStatus that = (GetPayloadActivationStatus) o;
 
         if (payloadType != that.payloadType) {
             return false;
         }
 
         return getCipherSuite().equals(that.getCipherSuite());
     }
 
     @Override
     public int hashCode() {
         int result = payloadType.getCode();
         result = 31 * result + (getCipherSuite() != null ? getCipherSuite().hashCode() : 0);
         return result;
     }
 }