#include "NameMsg.h"

#include <string.h>

namespace RoboidControl {

NameMsg::NameMsg(unsigned char networkId, Thing* thing) {
  this->networkId = networkId;
  this->thingId = thing->id;
  if (thing->name == nullptr)
    this->nameLength = 0;
  else
    this->nameLength = (unsigned char)strlen(thing->name);

  // the name string in the buffer is not \0 terminated!
  char* name = new char[this->nameLength + 1];
  for (int i = 0; i < this->nameLength; i++)
    name[i] = thing->name[i];
  name[this->nameLength] = '\0';
  this->name = name;
}

NameMsg::NameMsg(const char* buffer) {
  unsigned char ix = 1;  // first byte is msg id
  this->networkId = buffer[ix++];
  this->thingId = buffer[ix++];
  this->nameLength = buffer[ix++];

  // the name string in the buffer is not \0 terminated!
  char* name = new char[this->nameLength + 1];
  for (int i = 0; i < this->nameLength; i++)
    name[i] = buffer[ix++];
  name[this->nameLength] = '\0';
  this->name = name;
}

NameMsg::~NameMsg() {
  delete[] this->name;
}

unsigned char NameMsg::Serialize(char* buffer) {
  if (this->nameLength == 0 || this->name == nullptr)
    return 0;

#if defined(DEBUG)
  std::cout << "Send NameMsg [" << (int)this->networkId << "/"
            << (int)this->thingId << "] " << (int)this->nameLength << " "
            << this->name << std::endl;
#endif
  unsigned char ix = 0;
  buffer[ix++] = this->id;
  buffer[ix++] = this->networkId;
  buffer[ix++] = this->thingId;
  buffer[ix++] = this->nameLength;
  for (int nameIx = 0; nameIx < this->nameLength; nameIx++)
    buffer[ix++] = this->name[nameIx];

  return ix;
}

}  // namespace RoboidControl