#include "LGPhysicsListMessenger.hh"
#include "LGPhysicsList.hh"

#include "G4UIdirectory.hh"
#include "G4UIcmdWithAnInteger.hh"

LGPhysicsListMessenger::LGPhysicsListMessenger(LGPhysicsList* phys_List) : physics_List(phys_List)
{
  phys_Dir = new G4UIdirectory("/phys/");
  phys_Dir->SetGuidance("PhysicsList control");
  
  verbose_Cmd = new G4UIcmdWithAnInteger("/phys/verbose", this);
  verbose_Cmd->SetGuidance("set verbose for physics processes");
  verbose_Cmd->SetParameterName("verbose", true); 
  verbose_Cmd->SetDefaultValue(1);
  verbose_Cmd->SetRange("verbose>=0");
  verbose_Cmd->AvailableForStates(G4State_PreInit,G4State_Idle); 
  // refer to G4ApplicationState.hh for getting the meaning of each argumet
  
  cerenkov_Cmd = new G4UIcmdWithAnInteger("/phys/cerenkovMaxPhotons", this);
  cerenkov_Cmd->SetGuidance("set maximum number of photons per step");
  cerenkov_Cmd->SetParameterName("MaxNumber", false);
  cerenkov_Cmd->SetRange("MaxNumber>=0");
  cerenkov_Cmd->AvailableForStates(G4State_Idle);
}

LGPhysicsListMessenger::~LGPhysicsListMessenger()		
// Destruct all the objects generated except for the object, Physics_List
{
  delete verbose_Cmd;
  delete cerenkov_Cmd;
  delete phys_Dir;
}

void LGPhysicsListMessenger::SetNewValue(G4UIcommand* command, G4String new_Value)
{
  if (command == verbose_Cmd)
    {
      physics_List->SetVerbose(verbose_Cmd->GetNewIntValue(new_Value));		
      // The actual process is fulfilled by SetVerboseLevel() method in the class, G4VProcess
    } 
  
  if (command == cerenkov_Cmd)
    {
      physics_List->SetNbOfPhotonsCerenkov(cerenkov_Cmd->GetNewIntValue(new_Value));		
      // In reality, the method, SetMaxNumPhotonsPerStep() works according to the newValue
    }
}