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// $Id:$

// Class for Root main ntuple management.
//
// Author: Ivana Hrivnacova, 04/10/2016  (ivana@ipno.in2p3.fr)

#ifndef G4RootMainNtupleManager_h
#define G4RootMainNtupleManager_h 1

#include "G4BaseAnalysisManager.hh"
#include "G4TNtupleDescription.hh"
#include "G4RootNtupleManager.hh"
#include "globals.hh"

#include <vector>

class G4RootNtupleManager;

namespace tools {
namespace wroot {
class file;
class ntuple;
}
}

class G4RootMainNtupleManager : public G4BaseAnalysisManager
{
  friend class G4RootPNtupleManager;
  friend class G4RootNtupleManager;

  public:
    explicit G4RootMainNtupleManager(G4RootNtupleManager* ntupleBuilder,
                                     G4bool rowWise,
                                     const G4AnalysisManagerState& state);
    ~G4RootMainNtupleManager();

  protected:
    // Types alias
    using NtupleType = tools::wroot::ntuple;
    using NtupleDescriptionType = G4TNtupleDescription<NtupleType>;

    // Methods to manipulate ntuples  
    void   CreateNtuple(const tools::ntuple_booking& ntupleBooking, G4bool warn = true);
    void   CreateNtuplesFromBooking();
    G4bool Merge();
    G4bool Reset(G4bool deleteNtuple);

    // Set methods
    void SetNtupleFile(std::shared_ptr<tools::wroot::file> rfile);
    void SetNtupleDirectory(tools::wroot::directory*  directory);
    std::shared_ptr<tools::wroot::file> GetNtupleFile() const;
    tools::wroot::directory*  GetNtupleDirectory() const;

    // Access functions
    const std::vector<NtupleDescriptionType*>& GetNtupleDescriptionVector() 
      { return fNtupleBuilder->GetNtupleDescriptionVector(); }
    const std::vector<tools::wroot::ntuple*>& GetNtupleVector() 
      { return fNtupleVector; }
    unsigned int GetBasketSize() const;

  private:
    // Data members
    G4RootNtupleManager*  fNtupleBuilder;
    G4bool  fRowWise;
    std::shared_ptr<tools::wroot::file>  fNtupleFile;
    tools::wroot::directory*  fNtupleDirectory;
    std::vector<tools::wroot::ntuple*>   fNtupleVector;
};

inline void G4RootMainNtupleManager::SetNtupleFile(std::shared_ptr<tools::wroot::file> rfile) 
{ fNtupleFile = rfile; }

inline void G4RootMainNtupleManager::SetNtupleDirectory(tools::wroot::directory*  directory)
{ fNtupleDirectory = directory; }

inline std::shared_ptr<tools::wroot::file> G4RootMainNtupleManager::GetNtupleFile() const 
{ return fNtupleFile; }

inline tools::wroot::directory*  G4RootMainNtupleManager::GetNtupleDirectory() const
{ return fNtupleDirectory; }

#endif