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//
// Author: Mathieu Karamitros (kara (AT) cenbg . in2p3 . fr) 
//
// WARNING : This class is released as a prototype.
// It might strongly evolve or even disapear in the next releases.
//
// History:
// -----------
// 10 Oct 2011 M.Karamitros created
//
// -------------------------------------------------------------------

#ifndef G4AllITManager_h
#define G4AllITManager_h 1
#include <globals.hh>
#include <map>
#include <vector>
#include "G4ITType.hh"
#include "G4ThreeVector.hh"
#include <memory>

class G4IT;
class G4VITManager;
class G4ITBox;
class G4Track;
template<typename T> class G4ITManager;

/**
  * Holds all IT Manager, and take care of deleting them
  * when AllITManager is deleted
  * Set general verbose for all IT Manager
  */

class G4AllITManager
{
public :
    static G4AllITManager* Instance();
    static void DeleteInstance();
    /**
      * To delete the Instance you should use DeleteInstance()
      * rather than the destructor
      */

    ~G4AllITManager();

    template<typename T>  G4ITManager<T>* Instance();

    G4VITManager* GetInstance(G4ITType);
    G4ITBox* GetBox(const G4Track*);

    void RegisterManager(G4VITManager* manager);
    void Push(G4Track* track);

    /**
     * Set General verbose for all IT Manager
     * See ITManager builder
     */
    void SetVerboseLevel(G4int level)
    {
        fVerbose = level;
    }
    G4int GetVerboseLevel()
    {
        return fVerbose;
    }

    void UpdatePositionMap();
    void CreateTree();

    template<typename T> inline std::vector<std::pair<G4IT*, double> >* FindNearest(const G4ThreeVector& pos, const T* it);
    template<typename T> inline std::vector<std::pair<G4IT*, double> >* FindNearest(const T* it0, const T* it);
    template<typename T> inline std::vector<std::pair<G4IT*, double> >* FindNearestInRange(const G4ThreeVector& pos,
                                                                                           const T* it, G4double range);
    template<typename T> inline std::vector<std::pair<G4IT*, double> >* FindNearestInRange(const T* it0, const T* it, G4double range);

private :
    G4AllITManager();
    static std::auto_ptr<G4AllITManager> fInstance;
    std::map<G4ITType, G4VITManager*> fITSubManager ;

    int fVerbose ;
};

template<typename T>
inline std::vector<std::pair<G4IT*, double> >* G4AllITManager::FindNearest(const G4ThreeVector& pos, const T* it)
{
    return G4ITManager<T>::Instance()->FindNearest(pos,it);
}

template<typename T>
inline std::vector<std::pair<G4IT*, double> >* G4AllITManager::FindNearest(const T* it0, const T* it)
{
    return G4ITManager<T>::Instance()->FindNearest(it0, it) ;
}

template<typename T>
inline std::vector<std::pair<G4IT*, double> >* G4AllITManager::FindNearestInRange(const G4ThreeVector& pos, const T* it, G4double range)
{
    return G4ITManager<T>::Instance()->FindNearestInRange(pos, it, range);
}

template<typename T>
inline std::vector<std::pair<G4IT*, double> >* G4AllITManager::FindNearestInRange(const T* it0, const T* it, G4double range)
{
    return G4ITManager<T>::Instance()->FindNearestInRange(it0, it, range);
}

#endif