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//
// Author: Mathieu Karamitros

// The code is developed in the framework of the ESA AO7146
//
// We would be very happy hearing from you, send us your feedback! :)
//
// In order for Geant4-DNA to be maintained and still open-source,
// article citations are crucial. 
// If you use Geant4-DNA chemistry and you publish papers about your software, 
// in addition to the general paper on Geant4-DNA:
//
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
//
// we would be very happy if you could please also cite the following
// reference papers on chemistry:
//
// J. Comput. Phys. 274 (2014) 841-882
// Prog. Nucl. Sci. Tec. 2 (2011) 503-508 


#ifndef G4MOLECULARREACTION_H
#define G4MOLECULARREACTION_H

#include <G4VITReactionProcess.hh>

class G4DNAMolecularReactionTable;
class G4VDNAReactionModel;

/**
  * G4DNAMolecularReaction is the reaction process
  * used in G4DNAMolecularStepByStepModel between
  * two molecules.
  * After the global track steps, it test whether
  * the molecules can react. If so, the reaction is made.
  */

class G4DNAMolecularReaction : public G4VITReactionProcess
{
    public:
        /** Default constructor */
        G4DNAMolecularReaction();
        /** Default destructor */
        virtual ~G4DNAMolecularReaction();
        /** Copy constructor
         *  \param other Object to copy from
         */
        G4DNAMolecularReaction(const G4DNAMolecularReaction& other);
        /** Assignment operator
         *  \param other Object to assign from
         *  \return A reference to this
         */
        G4DNAMolecularReaction& operator=(const G4DNAMolecularReaction& other);

        G4IT_ADD_CLONE(G4VITReactionProcess, G4DNAMolecularReaction)

        /** Given two tracks, it tells you whether they can react
         */
        virtual G4bool TestReactibility(const G4Track&,
                                        const G4Track&,
                                        const double currentStepTime,
                                        const double previousStepTime,
                                        bool userStepTimeLimit) /*const*/ ;

        /** Will generate the products of the two given tracks
         */
        virtual G4ITReactionChange* MakeReaction(const G4Track&, const G4Track&) ;

        inline void SetReactionModel(G4VDNAReactionModel*);
        inline void SetReactionTable(const G4DNAMolecularReactionTable*);

        inline void SetVerbose(int);
        // 1 : only when make reaction is called
        // 2 : both make reaction + test reactibility are called

    protected:
        const G4DNAMolecularReactionTable*& fMolReactionTable;
        G4VDNAReactionModel* fReactionModel;
        G4int fVerbose;
        G4double fReactionRadius ;
        G4double fDistance;
    private:
};

inline void G4DNAMolecularReaction::SetReactionModel(G4VDNAReactionModel* model)
{
    fReactionModel = model;
}

inline void G4DNAMolecularReaction::SetVerbose(int verb)
{
    fVerbose = verb;
}

#endif // G4MOLECULARREACTION_H
