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/// \file B4/B4a/include/ActionInitialization.hh
/// \brief Definition of the B4a::ActionInitialization class

#ifndef B4aActionInitialization_h
#define B4aActionInitialization_h 1

#include "G4VUserActionInitialization.hh"
#include "PrimaryGeneratorAction.hh"

namespace B4
{
  class DetectorConstruction;
}

namespace B4a
{

/// Action initialization class.

class ActionInitialization : public G4VUserActionInitialization
{
  public:
    ActionInitialization(B4::DetectorConstruction*);
    ~ActionInitialization() override = default;

    void BuildForMaster() const override;
    void Build() const override;

    void setGeneratorProperties(G4double minEnergy, G4double maxEnergy, G4String partSpecies){
      if(gen==nullptr){
        throw std::runtime_error("PrimaryGeneratorAction not found");
      }
        gen->setMinPartEnergy(minEnergy);
        gen->setMaxPartEnergy(maxEnergy);
        gen->setPartSpecies(partSpecies);
        G4cout << "ActionInitialization: Setting particle species to " << partSpecies << G4endl;
    }

    void setDetectorConstruction(B4::DetectorConstruction* det){
      fDetConstruction = det;
    }

  private:
    B4::DetectorConstruction* fDetConstruction = nullptr;
    mutable B4::PrimaryGeneratorAction * gen = nullptr;
    G4double minEnergy=1000;
    G4double maxEnergy=1000;
    G4String partSpecies="e-";
};

}

#endif