//
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//
//
// -------------------------------------------------------------------
//
//      Author:        E.Mendoza
// 
//      Creation date: May 2024
//
//      Modifications:
//      
// -------------------------------------------------------------------
//
//  NuDEX code (https://doi.org/10.1016/j.nima.2022.167894)
// 


#ifndef NUDEXRANDOM_HH
#define NUDEXRANDOM_HH 1

#include <cstdlib>
#include <iostream>
#include <fstream>
#include <cmath>

//COMPILATIONTYPE==1 compile with ROOT
//COMPILATIONTYPE==2 compile with GEANT4

#define COMPILATIONTYPE 2

#if COMPILATIONTYPE == 1
//------------------------------------------------------------
// ROOT
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
#include "TRandom2.h"
#pragma GCC diagnostic pop
//------------------------------------------------------------
#elif COMPILATIONTYPE == 2
//------------------------------------------------------------
// GEANT4
#include "Randomize.hh"
#include "globals.hh"
#include "G4Exception.hh"
//------------------------------------------------------------
#else
  #error Unsupported COMPILATIONTYPE setting
#endif

void NuDEXException(const char* originOfException,const char* exceptionCode,const char* description);

class G4NuDEXRandom{

public:
  G4NuDEXRandom(unsigned int seed);
  ~G4NuDEXRandom();

public:
  void SetSeed(unsigned int seed);
  unsigned int GetSeed();
  G4double Uniform(G4double Xmin=0,G4double Xmax=1);
  unsigned int Integer(unsigned int IntegerMax);
  G4double Exp(G4double tau);
  G4double Gaus(G4double mean=0,G4double sigma=1);
  G4long Poisson(G4double mean);

private:

#if COMPILATIONTYPE == 1
  TRandom2* theRandom;
#elif COMPILATIONTYPE == 2
  CLHEP::HepJamesRandom* theEngine;
  CLHEP::RandFlat* theRandFlat;
  CLHEP::RandExponential* theRandExponential;
  CLHEP::RandGauss* theRandGauss;
  CLHEP::RandPoisson* theRandPoisson;
#endif
};


#endif