#include "UnsubAckPacket.hpp"

using AsyncMqttClientInternals::UnsubAckPacket;

UnsubAckPacket::UnsubAckPacket(ParsingInformation* parsingInformation, OnUnsubAckInternalCallback callback)
: _parsingInformation(parsingInformation)
, _callback(callback)
, _bytePosition(0)
, _packetIdMsb(0)
, _packetId(0) {
}

UnsubAckPacket::~UnsubAckPacket() {
}

void UnsubAckPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
  char currentByte = data[(*currentBytePosition)++];
  if (_bytePosition++ == 0) {
    _packetIdMsb = currentByte;
  } else {
    _packetId = currentByte | _packetIdMsb << 8;
    _parsingInformation->bufferState = BufferState::NONE;
    _callback(_packetId);
  }
}

void UnsubAckPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
  (void)data;
  (void)currentBytePosition;
}