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/// \file DetectorMessenger.cc
/// \brief Implementation of the DetectorMessenger class

#include "DetectorMessenger.hh"

#include "DetectorConstruction.hh"

#include "G4UIcmdWithADoubleAndUnit.hh"
#include "G4UIcmdWithAString.hh"
#include "G4UIcmdWithoutParameter.hh"
#include "G4UIdirectory.hh"
#include "globals.hh"

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DetectorMessenger::DetectorMessenger(DetectorConstruction* myDet) : fDetector(myDet)
{
  fDetectorDir = new G4UIdirectory("/mydet/");
  fDetectorDir->SetGuidance("Detector control.");

  fMaterial = new G4UIcmdWithAString("/mydet/material", this);
  fMaterial->SetGuidance("Choice of the material:");
  fMaterial->SetGuidance("   a Geant4 NIST material, e.g. G4_Fe ");
  fMaterial->SetParameterName("choiceMaterial", true);
  fMaterial->SetDefaultValue("G4_Fe");
  fMaterial->AvailableForStates(G4State_PreInit, G4State_Idle);

  fThickness = new G4UIcmdWithADoubleAndUnit("/mydet/thickness", this);
  fThickness->SetParameterName("choiceThickness", true);
  fThickness->SetGuidance("Target thickness");
  fThickness->SetDefaultValue(1000.0);  // default: 1 meter.
  fThickness->AvailableForStates(G4State_PreInit, G4State_Idle);

  fDiameter = new G4UIcmdWithADoubleAndUnit("/mydet/diameter", this);
  fDiameter->SetParameterName("choiceDiameter", true);
  fDiameter->SetGuidance("Target diameter");
  fDiameter->SetDefaultValue(1000.0);  // default: 1 meter.
  fDiameter->AvailableForStates(G4State_PreInit, G4State_Idle);

  fUpdateCommand = new G4UIcmdWithoutParameter("/mydet/update", this);
  fUpdateCommand->SetGuidance("Update calorimeter geometry.");
  fUpdateCommand->SetGuidance("This command MUST be applied before \"beamOn\" ");
  fUpdateCommand->SetGuidance("if you changed geometrical value(s).");
  fUpdateCommand->AvailableForStates(G4State_Idle);
}

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DetectorMessenger::~DetectorMessenger()
{
  delete fDetectorDir;
  delete fMaterial;
  delete fThickness;
  delete fDiameter;
  delete fUpdateCommand;
}

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void DetectorMessenger::SetNewValue(G4UIcommand* command, G4String newValue)
{
  if (command == fMaterial) {
    fDetector->SetMaterial(newValue);
  }
  if (command == fThickness) {
    fDetector->SetThickness(fThickness->GetNewDoubleValue(newValue));
  }
  if (command == fDiameter) {
    fDetector->SetDiameter(fDiameter->GetNewDoubleValue(newValue));
  }
  if (command == fUpdateCommand) {
    fDetector->UpdateGeometry();
  }
}

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