//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// CPA100 ionisation model class for electrons
//
// Based on the work of M. Terrissol and M. C. Bordage
//
// Users are requested to cite the following papers:
// - M. Terrissol, A. Baudre, Radiat. Prot. Dosim. 31 (1990) 175-177
// - M.C. Bordage, J. Bordes, S. Edel, M. Terrissol, X. Franceries, 
//   M. Bardies, N. Lampe, S. Incerti, Phys. Med. 32 (2016) 1833-1840
//
// Authors of this class: 
// M.C. Bordage, M. Terrissol, S. Edel, J. Bordes, S. Incerti
//
// 15.01.2014: creation
//

#ifndef G4DNACPA100IonisationModel_h
#define G4DNACPA100IonisationModel_h 1

#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4ProductionCutsTable.hh"

#include "G4DNACrossSectionDataSet.hh"
#include "G4Electron.hh"
#include "G4Proton.hh"

#include "G4LogLogInterpolation.hh"
//#include "G4DNACPA100LogLogInterpolation.hh"

#include "G4DNACPA100WaterIonisationStructure.hh"
#include "G4VAtomDeexcitation.hh"
#include "G4NistManager.hh"


class G4DNACPA100IonisationModel : public G4VEmModel
{

public:

  G4DNACPA100IonisationModel(const G4ParticleDefinition* p = 0, 
             const G4String& nam = "DNACPA100IonisationModel");

  virtual ~G4DNACPA100IonisationModel();

  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector& = *(new G4DataVector()));

  virtual G4double CrossSectionPerVolume(  const G4Material* material,
     const G4ParticleDefinition* p,
     G4double ekin,
     G4double emin,
     G4double emax);

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
     const G4MaterialCutsCouple*,
     const G4DynamicParticle*,
     G4double tmin,
     G4double maxEnergy);
    
  G4double DifferentialCrossSection(G4ParticleDefinition * aParticleDefinition, G4double k, G4double energyTransfer, G4int shell);

  inline void SelectFasterComputation(G4bool input); 

  inline void SelectUseDcs(G4bool input); 

  inline void SelectStationary(G4bool input); 

protected:

  G4ParticleChangeForGamma* fParticleChangeForGamma;

private:

  G4bool statCode;

  G4bool fasterCode;
  G4bool useDcs;

  // Water density table
  const std::vector<G4double>* fpMolWaterDensity;

  // Deexcitation manager to produce fluo photons and e-
  G4VAtomDeexcitation*      fAtomDeexcitation;

  std::map<G4String,G4double,std::less<G4String> > lowEnergyLimit;
  std::map<G4String,G4double,std::less<G4String> > highEnergyLimit;

  G4bool isInitialised;
  G4int verboseLevel;
  
  // Cross section

  typedef std::map<G4String,G4String,std::less<G4String> > MapFile;
  MapFile tableFile;

  typedef std::map<G4String,G4DNACrossSectionDataSet*,std::less<G4String> > MapData;
  MapData tableData;
  
  // Final state
  
  G4DNACPA100WaterIonisationStructure waterStructure;

  G4double RandomizeEjectedElectronEnergy(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4int shell) ;

  G4double RandomizeEjectedElectronEnergyFromCumulatedDcs(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4int shell) ;

  G4double RandomizeEjectedElectronEnergyFromCompositionSampling(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4int shell) ;

  G4double RandomTransferedEnergy(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4int shell) ;

  void RandomizeEjectedElectronDirection(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4double
                                           outgoingParticleEnergy, G4double & cosTheta, G4double & phi );
   
  G4double Interpolate(G4double e1, G4double e2, G4double e, G4double xs1, G4double xs2);
   
  G4double QuadInterpolator( G4double e11, 
        G4double e12, 
        G4double e21, 
        G4double e22, 
        G4double x11,
        G4double x12, 
        G4double x21, 
        G4double x22, 
        G4double t1, 
        G4double t2, 
        G4double t, 
        G4double e);

  typedef std::map<G4double, std::map<G4double, G4double> > TriDimensionMap;
  
  TriDimensionMap eDiffCrossSectionData[6];
  TriDimensionMap eNrjTransfData[6]; // for cumulated dcs
  
  std::vector<G4double> eTdummyVec;

  typedef std::map<G4double, std::vector<G4double> > VecMap;
  
  VecMap eVecm;
  
  VecMap eProbaShellMap[6]; // for cumulated dcs
  
  // Partial cross section
  
  G4int RandomSelect(G4double energy,const G4String& particle );

  //
   
  G4DNACPA100IonisationModel & operator=(const  G4DNACPA100IonisationModel &right);
  G4DNACPA100IonisationModel(const  G4DNACPA100IonisationModel&);

};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4DNACPA100IonisationModel::SelectFasterComputation (G4bool input) 
{ 
    fasterCode = input; 
}   

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4DNACPA100IonisationModel::SelectUseDcs (G4bool input) 
{ 
    useDcs = input; 
}   

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4DNACPA100IonisationModel::SelectStationary (G4bool input)
{ 
    statCode = input; 
}  

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#endif