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

// Author: Ivana Hrivnacova, 18/06/2013  (ivana@ipno.in2p3.fr)

#ifndef G4XmlAnalysisManager_h
#define G4XmlAnalysisManager_h 1

#include "G4ToolsAnalysisManager.hh"
#include "globals.hh"

#include "tools/waxml/ntuple"

#include <memory>
#include <string_view>

class G4XmlAnalysisManager;
class G4XmlFileManager;
class G4XmlNtupleFileManager;
template <class T>
class G4ThreadLocalSingleton;

class G4XmlAnalysisManager : public G4ToolsAnalysisManager
{
  friend class G4ThreadLocalSingleton<G4XmlAnalysisManager>;

  public:
    virtual ~G4XmlAnalysisManager();

    // Static methods
    static G4XmlAnalysisManager* Instance();
    static G4bool IsInstance();

    // Access methods
    tools::waxml::ntuple* GetNtuple() const;
    tools::waxml::ntuple* GetNtuple(G4int ntupleId) const;

    // Iterators
    std::vector<tools::waxml::ntuple*>::iterator BeginNtuple();
    std::vector<tools::waxml::ntuple*>::iterator EndNtuple();
    std::vector<tools::waxml::ntuple*>::const_iterator BeginConstNtuple() const;
    std::vector<tools::waxml::ntuple*>::const_iterator EndConstNtuple() const;

  protected:
    // Virtual methods from base class
    virtual G4bool OpenFileImpl(const G4String& fileName) final;
    virtual G4bool WriteImpl() final;
    virtual G4bool CloseFileImpl(G4bool reset) final;
    virtual G4bool ResetImpl() final;
    virtual G4bool IsOpenFileImpl() const final;

  private:
    G4XmlAnalysisManager();

    // Static data members
    inline static G4XmlAnalysisManager* fgMasterInstance { nullptr };
    inline static G4ThreadLocal G4bool fgIsInstance { false };
    static constexpr std::string_view fkClass { "G4XmlAnalysisManager" };

    // Data members
    std::shared_ptr<G4XmlFileManager>  fFileManager { nullptr };
    std::shared_ptr<G4XmlNtupleFileManager>  fNtupleFileManager { nullptr };
};

#include "G4XmlAnalysisManager.icc"

#endif