/**
  * Helper Class for handling Entity IdentifierStructs
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Malte Diers, NLE, 2019-07-11
  */

#pragma once

#include <QString>
#include <Common/hlacommon_export.h>

namespace rpr2
{
class EntityIdentifierStruct;
}

namespace HighLevelArchitecture
{

class HLACOMMON_EXPORT IdentifierStruct
{
public:
  IdentifierStruct() = default;
  explicit IdentifierStruct(quint16 equipmentNo)
    : m_siteId(ownSiteId())
    , m_applicationId(ownApplicationId())
    , m_entityNumber(equipmentNo)
  {}

  explicit IdentifierStruct(const rpr2::EntityIdentifierStruct &eis);

  static IdentifierStruct fromInt64(qint64 value);

  quint16 siteId() const { return m_siteId; }
  void setSiteId(quint16 siteId) { m_siteId = siteId; }

  quint16 applicationId() const { return m_applicationId; }
  void setApplicationId(quint16 applicationId) { m_applicationId = applicationId; }

  quint16 entityNumber() const { return m_entityNumber; }
  void setEntityNumber(quint16 entityNumber) { m_entityNumber = entityNumber; }

  static quint16 ownSiteId();
  static void setOwnSiteId(quint16 siteId) { s_ownSiteId = siteId; }

  rpr2::EntityIdentifierStruct toEIS() const;
  QString toString() const;
  qint64 toInt64() const;

  bool isOwnElement() const { return siteId() == ownSiteId() && applicationId() == ownApplicationId(); }
  void makeOwn();

  bool isNull() const { return (m_siteId == 0 && m_applicationId == 0 && m_entityNumber == 0); }

  static quint16 getNextId() { return s_nextId++; }

private:
  quint16 m_siteId = 0;
  quint16 m_applicationId = 0;
  quint16 m_entityNumber = 0;

  static quint16 ownApplicationId();
  static quint16 s_nextId;
  static quint16 s_ownSiteId;
};

}