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// The main manager for Hdf5 analysis reader.
// It delegates most of functions to the object specific managers.

// Author: Ivana Hrivnacova, 20/07/2017 (ivana@ipno.in2p3.fr)

#ifndef G4Hdf5AnalysisReader_h
#define G4Hdf5AnalysisReader_h 1

#include "G4ToolsAnalysisReader.hh"
#include "globals.hh"

#include "toolx/hdf5/ntuple"

#include <memory>
#include <string_view>

class G4Hdf5AnalysisReader;
class G4Hdf5RFileManager;
class G4Hdf5RNtupleManager;
template <class T>
class G4ThreadLocalSingleton;

class G4Hdf5AnalysisReader : public G4ToolsAnalysisReader
{
  friend class G4ThreadLocalSingleton<G4Hdf5AnalysisReader>;

  public:
    ~G4Hdf5AnalysisReader() override;

    // Static methods
    static G4Hdf5AnalysisReader* Instance();

    // Access methods
    toolx::hdf5::ntuple* GetNtuple() const;
    toolx::hdf5::ntuple* GetNtuple(G4int ntupleId) const;
    using G4VAnalysisReader::GetNtuple;

  protected:
    // Virtual methods from base class
    G4bool CloseFilesImpl(G4bool reset) final;

  private:
    G4Hdf5AnalysisReader();

    // Methods
    G4bool Reset();

    // Static data members
    inline static G4Hdf5AnalysisReader* fgMasterInstance { nullptr };
    static constexpr std::string_view fkClass { "G4Hdf5AnalysisReader" };

    // Data members
    std::shared_ptr<G4Hdf5RNtupleManager> fNtupleManager { nullptr };
    std::shared_ptr<G4Hdf5RFileManager>   fFileManager { nullptr };
};

#include "G4Hdf5AnalysisReader.icc"

#endif