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// The common implementation of analysis manager classes.

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

#ifndef G4ToolsAnalysisManager_h
#define G4ToolsAnalysisManager_h 1

#include "G4VAnalysisManager.hh"
#include "G4ToolsAnalysisMessenger.hh"
#include "globals.hh"

#include "tools/histo/h1d"
#include "tools/histo/h2d"
#include "tools/histo/h3d"
#include "tools/histo/p1d"
#include "tools/histo/p2d"

#include <string_view>

class G4H1ToolsManager;
class G4H2ToolsManager;
class G4H3ToolsManager;
class G4P1ToolsManager;
class G4P2ToolsManager;

namespace tools {
namespace histo {
class hmpi;
}
}

class G4ToolsAnalysisManager : public  G4VAnalysisManager
{
  friend class G4ToolsAnalysisMessenger;

  public:
    virtual ~G4ToolsAnalysisManager();

        // Static methods
    static G4ToolsAnalysisManager* Instance();
    static G4bool IsInstance();

    // Access methods
    tools::histo::h1d*  GetH1(G4int id, G4bool warn = true,
                              G4bool onlyIfActive = true) const;
    tools::histo::h2d*  GetH2(G4int id, G4bool warn = true,
                              G4bool onlyIfActive = true) const;
    tools::histo::h3d*  GetH3(G4int id, G4bool warn = true,
                              G4bool onlyIfActive = true) const;
    tools::histo::p1d*  GetP1(G4int id, G4bool warn = true,
                              G4bool onlyIfActive = true) const;
    tools::histo::p2d*  GetP2(G4int id, G4bool warn = true,
                              G4bool onlyIfActive = true) const;

    // Iterators
    std::vector<tools::histo::h1d*>::iterator BeginH1();
    std::vector<tools::histo::h1d*>::iterator EndH1();
    std::vector<tools::histo::h1d*>::const_iterator BeginConstH1() const;
    std::vector<tools::histo::h1d*>::const_iterator EndConstH1() const;

    std::vector<tools::histo::h2d*>::iterator BeginH2();
    std::vector<tools::histo::h2d*>::iterator EndH2();
    std::vector<tools::histo::h2d*>::const_iterator BeginConstH2() const;
    std::vector<tools::histo::h2d*>::const_iterator EndConstH2() const;

    std::vector<tools::histo::h3d*>::iterator BeginH3();
    std::vector<tools::histo::h3d*>::iterator EndH3();
    std::vector<tools::histo::h3d*>::const_iterator BeginConstH3() const;
    std::vector<tools::histo::h3d*>::const_iterator EndConstH3() const;

    std::vector<tools::histo::p1d*>::iterator BeginP1();
    std::vector<tools::histo::p1d*>::iterator EndP1();
    std::vector<tools::histo::p1d*>::const_iterator BeginConstP1() const;
    std::vector<tools::histo::p1d*>::const_iterator EndConstP1() const;

    std::vector<tools::histo::p2d*>::iterator BeginP2();
    std::vector<tools::histo::p2d*>::iterator EndP2();
    std::vector<tools::histo::p2d*>::const_iterator BeginConstP2() const;
    std::vector<tools::histo::p2d*>::const_iterator EndConstP2() const;

  protected:
    explicit G4ToolsAnalysisManager(const G4String& type);

    // Virtual methods from base class
    virtual G4bool PlotImpl() final;
    virtual G4bool MergeImpl(tools::histo::hmpi* hmpi) final;
    virtual G4bool WriteImpl() override;
    virtual G4bool ResetImpl() override;
    virtual void   ClearImpl() override;

    // Methods
    G4bool Merge();
    G4bool IsEmpty();

     // Static data members
    inline static G4ToolsAnalysisManager* fgMasterToolsInstance { nullptr };
    inline static G4ThreadLocal G4ToolsAnalysisManager* fgToolsInstance { nullptr };
    static constexpr std::string_view fkClass { "G4ToolsAnalysisManager" };

    // Data members
    G4H1ToolsManager*  fH1Manager { nullptr };
    G4H2ToolsManager*  fH2Manager { nullptr };
    G4H3ToolsManager*  fH3Manager { nullptr };
    G4P1ToolsManager*  fP1Manager { nullptr };
    G4P2ToolsManager*  fP2Manager { nullptr };

  private:
    //  // Static data members
    // Static G4ThreadLocal G4ToolsAnalysisManager* fgToolsInstance;
    // Methods
    template <typename HT>
    G4bool WriteT(const std::vector<HT*>& htVector,
                  const std::vector<G4HnInformation*>& hnVector);

    // Data members
    std::unique_ptr<G4ToolsAnalysisMessenger> fMessenger;
 };

#include "G4ToolsAnalysisManager.icc"

#endif