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// Hadrontherapy advanced example for Geant4
// See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy

#ifndef HadrontherapyLet_h
#define HadrontherapyLet_h 1
#endif

#include "G4ParticleDefinition.hh"
#include "globals.hh"
#include <fstream>
#include <vector>
#include <string>

#include "g4csv.hh"
#include "HadrontherapyMatrix.hh"
struct ionLet
{
    G4bool isPrimary;        // True if particle is primary
    G4int PDGencoding;      // Particle data group id for the particle
    G4String fullName;      // AZ[excitation energy]: like He3[1277.4], He4[0.0], Li7[231.4], ...
    G4String name;          // simple name without excitation energy: He3, He4, Li7, ...
    G4int Z;                // atomic number
    G4int A;            // mass number
    G4double *letDN , *letDD, *letTN , *letTD; // Track averaged LET and Dose averaged LET
    //friend G4bool operator<(const ionLet& a, const ionLet& b) {return (a.Z == b.Z) ? b.A < a.A : b.Z < a.Z ;}
    G4bool operator<(const ionLet& a) const{return (this->Z == a.Z) ? this-> A < a.A : this->Z < a.Z ;}
    // For isotopes sort by the mass number, else sort by the atomic one.
};

class G4Material;
class HadrontherapyMatrix;
class HadrontherapyPrimaryGeneratorAction;
class HadrontherapyInteractionParameters;
class HadrontherapyDetectorConstruction;

class HadrontherapyLet
{
private:
    HadrontherapyLet(HadrontherapyDetectorConstruction*);
    
public:
    ~HadrontherapyLet();
    static HadrontherapyLet* GetInstance(HadrontherapyDetectorConstruction*);
    static HadrontherapyLet* GetInstance();
    static G4bool doCalculation;
    void Initialize();
    void Clear();
    
    void Fill(G4int i, G4int j, G4int k, G4double DE, G4double DX);
    void FillEnergySpectrum (G4int trackID,
                             G4ParticleDefinition* particleDef,
                             G4double ekinMean,
                             G4Material* mat,
                             G4double DE,
                             G4double DEEletrons,
                             G4double DX,
                             G4int i, G4int j, G4int k);
    void LetOutput();
    void StoreLetAscii();
    
    
private:
    static HadrontherapyLet *instance;
    HadrontherapyPrimaryGeneratorAction* pPGA;
    // Detector material
    G4Material* detectorMat;
    G4double density;
    G4String filename;
    
    std::ofstream ofs;
    std::ofstream stopFile;
    HadrontherapyMatrix *matrix;
    G4int nVoxels, numberOfVoxelAlongX, numberOfVoxelAlongY, numberOfVoxelAlongZ ;
    G4double primaryEnergy, energyLimit, binWidth;
    G4int nBins;
    G4double  nT, dT, nD, dD;
    G4double  nSecondaryT, nSecondaryD, dSecondaryT, dSecondaryD;
    G4double  nPrimaryT, nPrimaryD, dPrimaryT, dPrimaryD ;
    G4double *secondaryLetT,  *secondaryLetD, *totalLetT, *DtotalLetT , *DtotalLetD, *totalLetD;
    G4String nome_file;
    
    std::vector<ionLet> ionLetStore;
};
