#include "MessageToUserTlv.h"

MessageToUserTlv::MessageToUserTlv(uint8_t* value, size_t size)
    : Tlv(cfdp::TlvType::MSG_TO_USER, value, size) {}

MessageToUserTlv::MessageToUserTlv() : Tlv() {}

MessageToUserTlv::MessageToUserTlv(const std::vector<uint8_t>& data)
    : Tlv(cfdp::TlvType::MSG_TO_USER, data.data(), data.size()) {}

MessageToUserTlv::MessageToUserTlv(const uint8_t* value, size_t size)
    : Tlv(cfdp::TlvType::MSG_TO_USER, value, size) {}

bool MessageToUserTlv::isReservedCfdpMessage(uint8_t& messageType, const uint8_t** msgDataStart,
                                             size_t& msgLen) const {
  if (cfdp::Tlv::getLengthField() < 5) {
    return false;
  }
  if (std::strncmp(reinterpret_cast<const char*>(getValue()), "cfdp", 4) == 0) {
    messageType = getValue()[4];
    if (msgDataStart != nullptr) {
      *msgDataStart = getValue() + 5;
    }
    msgLen = cfdp::Tlv::getSerializedSize() - 5;
    return true;
  }
  return false;
}