GGSCaloHitsReader.h

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/*
 * GGSCaloHitsReader.h
 *
 *  Created on: 27 May 2021
 *      Author: Valerio Formato
 */

#ifndef HERD_GGSCALOHITSREADER_H_
#define HERD_GGSCALOHITSREADER_H_

#ifndef GGSSMARTLOG_H_
#define HERD_GGSCALOHITSREADER_H_UNDEF_LOGGING
#endif

// GGS headers
#include "montecarlo/readers/GGSTHitsReader.h"
#include "montecarlo/readers/GGSTRootReader.h"

#ifdef HERD_GGSCALOHITSREADER_H_UNDEF_LOGGING
// Remove the definitions of GGS output macros (would conflict with the same macros defined in EventAnalysis)
// We only do this if GGSSmartLog.h is being parsed in this TU, otherwise there would be nothing to undef
// (or we could even be undefining the EA macros)
#undef COUT
#undef CCOUT
#undef ENDL
#endif

// EA headers
#include "core/ObjectWrapper.h"
#include "core/RetrievalResult.h"
#include "utils/Memory.h"

// HerdSoftware headers
#include "common/DefaultValues.h"
#include "dataobjects/CaloHits.h"

// c++ headers
#include <functional>
#include <string>

using namespace EA;

namespace Herd {

namespace Readers {
// clang-format off
// clang-format on
class GGSCaloHitsReader {
public:
  GGSCaloHitsReader(std::shared_ptr<GGSTRootReader> ggsReader)
      : m_ggsReader{ggsReader}, m_hitReader{m_ggsReader->GetReader<GGSTHitsReader>()} {};

  bool IsCaloHitsAvailable();

  RetrievalResult GetCaloHits(ObjectWrapper &wrapper);

  std::vector<std::string> FreeObjects(const std::vector<std::string> &objs, Memory::Status memStatus);

  void SetCaloHitIDFromGGSPos(std::function<unsigned int(const float *)> conversionFunction) {
    m_caloVolIDFromGGSPos = conversionFunction;
  };

private:
  std::shared_ptr<GGSTRootReader> m_ggsReader;
  GGSTHitsReader *m_hitReader = nullptr;
  long long int m_lastReadEvent = std::numeric_limits<long long int>::max();

  std::function<unsigned int(const float *)> m_caloVolIDFromGGSPos;
  int m_caloDetIndex = std::numeric_limits<int>::lowest();
  CaloHits m_caloHits;
};
} // namespace Readers
} // namespace Herd

#endif