#ifndef DETECTOR_CONSTRUCTION_HH
#define DETECTOR_CONSTRUCTION_HH

#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"

#include "G4EqMagElectricField.hh"
#include "G4UniformElectricField.hh"

class G4FieldManager;
class G4ChordFinder;
class G4EquationOfMotion;
class G4Mag_EqRhs;
class G4EqMagElectricField;
class G4MagIntegratorStepper;
class G4MagInt_Driver;

class G4VPhysicalVolume;
class G4LogicalVolume;


class DetectorConstruction : public G4VUserDetectorConstruction
{
public:
    //Constructor + Destructor
    DetectorConstruction();
    ~DetectorConstruction();

public:
    G4VPhysicalVolume* Construct() override;
    //Field and sensitive detectors
    void ConstructSDandField() override;

    //Two different logical volumes with different local fields
    G4LogicalVolume* fElectriclogical_1;
    G4LogicalVolume* fElectriclogical_2;

    //Setup the required objects of the FIRST local field
    G4ElectricField*        fEMfield_1;
    G4EqMagElectricField*   fEquation_1;
    G4MagIntegratorStepper* fStepper_1;
    G4FieldManager*         fFieldMgr_1;
    G4double                fMinStep_1;
    G4ChordFinder*          fChordFinder_1;

    //Setup the required objects of the SECOND local field
    G4ElectricField*        fEMfield_2;
    G4EqMagElectricField*   fEquation_2;
    G4MagIntegratorStepper* fStepper_2;
    G4FieldManager*         fFieldMgr_2;
    G4double                fMinStep_2;
    G4ChordFinder*          fChordFinder_2;

    //world electric field
    G4ElectricField*        fEMfield_WORLD;
    G4EqMagElectricField*   fEquation_WORLD;
    G4MagIntegratorStepper* fStepper_WORLD;
    G4FieldManager*         fFieldMgr_WORLD;
    G4double                fMinStep_WORLD;
    G4ChordFinder*          fChordFinder_WORLD;


private:
    G4bool fCheckOverlaps;
};

#endif