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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"
#include "RunAction.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, const std::vector<std::string>& 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 " ;
        for(const auto& p : partSpecies){
          G4cout << p << " ";
        }
        G4cout << G4endl;
    }
    void setGeneratorProperties(G4double minEnergy, G4double maxEnergy, const std::string& partSpecies){
      setGeneratorProperties(minEnergy, maxEnergy, std::vector<std::string>{partSpecies});
    }




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

    void setFileName(G4String fileName){
      this->filename = fileName;
      if(runact!=nullptr){
          runact -> setFileName(fileName);
      }
    }

  private:
    B4::DetectorConstruction* fDetConstruction = nullptr;
    mutable B4::PrimaryGeneratorAction * gen = nullptr;
    mutable B4::RunAction * runact = nullptr;
    G4double minEnergy=1000;
    G4double maxEnergy=1000;
    std::vector<std::string> partSpecies;
    G4String filename="";
};

}

#endif