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//
// $Id: G4EnergyLossMessenger.cc,v 1.29 2007/06/11 14:56:51 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-01-patch-02 $
//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
// File name:     G4EnergyLossMessenger
//
// Author:        Michel Maire
//
// Creation date: 22-06-2000
//
// Modifications:
// 10-01-06 SetStepLimits -> SetStepFunction (V.Ivanchenko)
// 10-01-06 PreciseRange -> CSDARange (V.Ivanchenko)
// 10-05-06 Add command MscStepLimit (V.Ivanchenko) 
// 10-10-06 Add DEDXBinning command (V.Ivanchenko)
// 07-02-07 Add MscLateralDisplacement command (V.Ivanchenko)
// 12-02-07 Add SetSkin, SetLinearLossLimit (V.Ivanchenko)
// 15-03-07 Send a message "/run/physicsModified" if reinitialisation
//          is needed after the command (V.Ivanchenko)
// 16-03-07 modify /process/eLoss/minsubsec command (V.Ivanchenko)
// 18-05-07 add /process/msc directory and commands (V.Ivanchenko)
//
// -------------------------------------------------------------------
//

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#include "G4EnergyLossMessenger.hh"

#include "G4VEnergyLoss.hh"

#include "G4UIdirectory.hh"
#include "G4UIcommand.hh"
#include "G4UIparameter.hh"
#include "G4UIcmdWithABool.hh"
#include "G4UIcmdWithAnInteger.hh"
#include "G4UIcmdWithADouble.hh"
#include "G4UIcmdWithADoubleAndUnit.hh"
#include "G4UIcmdWithAString.hh"
#include "G4EmProcessOptions.hh"
#include "G4UImanager.hh"
#include "G4MscStepLimitType.hh"
#include "G4EmProcessOptions.hh"

#include <sstream>

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G4EnergyLossMessenger::G4EnergyLossMessenger()
{
  opt = 0;
  eLossDirectory = new G4UIdirectory("/process/eLoss/");
  eLossDirectory->SetGuidance("Commands for EM processes.");
  mscDirectory = new G4UIdirectory("/process/msc/");
  mscDirectory->SetGuidance("Commands for EM scattering processes.");

  RndmStepCmd = new G4UIcmdWithABool("/process/eLoss/rndmStep",this);
  RndmStepCmd->SetGuidance("Randomize the proposed step by eLoss.");
  RndmStepCmd->SetParameterName("choice",true);
  RndmStepCmd->SetDefaultValue(false);
  RndmStepCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  EnlossFlucCmd = new G4UIcmdWithABool("/process/eLoss/fluct",this);
  EnlossFlucCmd->SetGuidance("Switch true/false the energy loss fluctuations.");
  EnlossFlucCmd->SetParameterName("choice",true);
  EnlossFlucCmd->SetDefaultValue(true);
  EnlossFlucCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  SubSecCmd = new G4UIcmdWithABool("/process/eLoss/subsec",this);
  SubSecCmd->SetGuidance("Switch true/false the subcutoff generation.");
  SubSecCmd->SetParameterName("choice",true);
  SubSecCmd->SetDefaultValue(true);
  SubSecCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  MinSubSecCmd = new G4UIcmdWithADouble("/process/eLoss/minsubsec",this);
  MinSubSecCmd->SetGuidance("Set the ratio subcut/cut ");
  MinSubSecCmd->SetParameterName("rcmin",true);
  MinSubSecCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  StepFuncCmd = new G4UIcommand("/process/eLoss/StepFunction",this);
  StepFuncCmd->SetGuidance("Set the energy loss step limitation parameters.");
  StepFuncCmd->SetGuidance("  dRoverR   : max Range variation per step");
  StepFuncCmd->SetGuidance("  finalRange: range for final step");

  G4UIparameter* dRoverRPrm = new G4UIparameter("dRoverR",'d',false);
  dRoverRPrm->SetGuidance("max Range variation per step (fractional number)");
  dRoverRPrm->SetParameterRange("dRoverR>0. && dRoverR<=1.");
  StepFuncCmd->SetParameter(dRoverRPrm);

  G4UIparameter* finalRangePrm = new G4UIparameter("finalRange",'d',false);
  finalRangePrm->SetGuidance("range for final step");
  finalRangePrm->SetParameterRange("finalRange>0.");
  StepFuncCmd->SetParameter(finalRangePrm);

  G4UIparameter* unitPrm = new G4UIparameter("unit",'s',true);
  unitPrm->SetGuidance("unit of finalRange");
  unitPrm->SetDefaultValue("mm");
  G4String unitCandidates = 
    G4UIcommand::UnitsList(G4UIcommand::CategoryOf("mm"));
  unitPrm->SetParameterCandidates(unitCandidates);

  StepFuncCmd->SetParameter(unitPrm);
  StepFuncCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  MinEnCmd = new G4UIcmdWithADoubleAndUnit("/process/eLoss/minKinEnergy",this);
  MinEnCmd->SetGuidance("Set the min kinetic energy");
  MinEnCmd->SetParameterName("emin",true);
  MinEnCmd->SetUnitCategory("Energy");
  MinEnCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  MaxEnCmd = new G4UIcmdWithADoubleAndUnit("/process/eLoss/maxKinEnergy",this);
  MaxEnCmd->SetGuidance("Set the max kinetic energy");
  MaxEnCmd->SetParameterName("emax",true);
  MaxEnCmd->SetUnitCategory("Energy");
  MaxEnCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  IntegCmd = new G4UIcmdWithABool("/process/eLoss/integral",this);
  IntegCmd->SetGuidance("Switch true/false the integration of cross section over step.");
  IntegCmd->SetParameterName("integ",true);
  IntegCmd->SetDefaultValue(true);
  IntegCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  rangeCmd = new G4UIcmdWithABool("/process/eLoss/CSDARange",this);
  rangeCmd->SetGuidance("Switch true/false the precise range calculation.");
  rangeCmd->SetParameterName("range",true);
  rangeCmd->SetDefaultValue(true);
  rangeCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  lpmCmd = new G4UIcmdWithABool("/process/eLoss/LPM",this);
  lpmCmd->SetGuidance("Switch true/false the LPM effect calculation.");
  lpmCmd->SetParameterName("lpm",true);
  lpmCmd->SetDefaultValue(true);
  lpmCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  dedxCmd = new G4UIcmdWithAnInteger("/process/eLoss/binsDEDX",this);
  dedxCmd->SetGuidance("Set number of bins for DEDX tables.");
  dedxCmd->SetParameterName("binsDEDX",true);
  dedxCmd->SetDefaultValue(120);
  dedxCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  lamCmd = new G4UIcmdWithAnInteger("/process/eLoss/binsLambda",this);
  lamCmd->SetGuidance("Set number of bins for Lambda tables.");
  lamCmd->SetParameterName("binsL",true);
  lamCmd->SetDefaultValue(120);
  lamCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  verCmd = new G4UIcmdWithAnInteger("/process/eLoss/verbose",this);
  verCmd->SetGuidance("Set verbose level for EM physics.");
  verCmd->SetParameterName("verb",true);
  verCmd->SetDefaultValue(1);
  verCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  lllCmd = new G4UIcmdWithADouble("/process/eLoss/linLossLimit",this);
  lllCmd->SetGuidance("Set linearLossLimit parameter.");
  lllCmd->SetParameterName("linlim",true);
  lllCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  labCmd = new G4UIcmdWithADouble("/process/eLoss/lambdaFactor",this);
  labCmd->SetGuidance("Set lambdaFactor parameter.");
  labCmd->SetParameterName("Fl",true);
  labCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  mscCmd = new G4UIcmdWithAString("/process/msc/StepLimit",this);
  mscCmd->SetGuidance("Set msc step limitation type.");
  mscCmd->SetParameterName("StepLim",true);
  mscCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  latCmd = new G4UIcmdWithABool("/process/msc/LateralDisplacement",this);
  latCmd->SetGuidance("Switch true/false sampling of latra dislacent.");
  latCmd->SetParameterName("lat",true);
  latCmd->SetDefaultValue(true);
  latCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  frCmd = new G4UIcmdWithADouble("/process/msc/RangeFactor",this);
  frCmd->SetGuidance("Set RangeFactor parameter for msc process.");
  frCmd->SetParameterName("Fr",true);
  frCmd->SetRange("Fr>0");
  frCmd->SetDefaultValue(0.02);
  frCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  fgCmd = new G4UIcmdWithADouble("/process/msc/GeomFactor",this);
  fgCmd->SetGuidance("Set GeomFactor parameter for msc process.");
  fgCmd->SetParameterName("Fg",true);
  fgCmd->SetRange("Fg>0");
  fgCmd->SetDefaultValue(3.5);
  fgCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  skinCmd = new G4UIcmdWithADouble("/process/msc/Skin",this);
  skinCmd->SetGuidance("Set skin parameter for multiple scattering.");
  skinCmd->SetParameterName("skin",true);
  skinCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

}

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G4EnergyLossMessenger::~G4EnergyLossMessenger()
{
  delete opt;
  delete RndmStepCmd;
  delete EnlossFlucCmd;
  delete SubSecCmd;
  delete MinSubSecCmd;
  delete StepFuncCmd;
  delete eLossDirectory;
  delete mscDirectory;
  delete MinEnCmd;
  delete MaxEnCmd;
  delete IntegCmd;
  delete rangeCmd;
  delete lpmCmd;
  delete latCmd;
  delete verCmd;
  delete mscCmd;
  delete dedxCmd;
  delete frCmd;
  delete fgCmd;
  delete lllCmd;
  delete lamCmd;
  delete labCmd;
  delete skinCmd;
}

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void G4EnergyLossMessenger::SetNewValue(G4UIcommand* command,G4String newValue)
{
  if(!opt) opt = new G4EmProcessOptions();

  if (command == RndmStepCmd) {
    G4VEnergyLoss::SetRndmStep(RndmStepCmd->GetNewBoolValue(newValue));
    opt->SetRandomStep(RndmStepCmd->GetNewBoolValue(newValue));
  }

  if (command == EnlossFlucCmd) {
    G4VEnergyLoss::SetEnlossFluc(EnlossFlucCmd->GetNewBoolValue(newValue));
    opt->SetLossFluctuations(EnlossFlucCmd->GetNewBoolValue(newValue));
  }

  if (command == SubSecCmd) {
    G4VEnergyLoss::SetSubSec(SubSecCmd->GetNewBoolValue(newValue));
    opt->SetSubCutoff(SubSecCmd->GetNewBoolValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == MinSubSecCmd) {
    opt->SetMinSubRange(MinSubSecCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == StepFuncCmd) {
    G4double v1,v2;
    G4String unt;
    std::istringstream is(newValue);
    is >> v1 >> v2 >> unt;
    v2 *= G4UIcommand::ValueOf(unt);
    G4VEnergyLoss::SetStepFunction(v1,v2);
    opt->SetStepFunction(v1,v2);
  }

  if (command == mscCmd) {
    if(newValue == "Minimal") 
      opt->SetMscStepLimitation(fMinimal);

    else if(newValue == "UseDistanceToBoundary") 
      opt->SetMscStepLimitation(fUseDistanceToBoundary);

    else if(newValue == "UseSafety")
      opt->SetMscStepLimitation(fUseSafety);

    else {
      G4cout << "### G4EnergyLossMessenger WARNING: StepLimit type <" 
	     << newValue << "> unknown!" << G4endl;
      return;
    }
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == MinEnCmd) {
    opt->SetMinEnergy(MinEnCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == MaxEnCmd) { 
    opt->SetMaxEnergy(MaxEnCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }  

  if (command == IntegCmd) 
    opt->SetIntegral(IntegCmd->GetNewBoolValue(newValue));
  
  if (command == rangeCmd) {
    opt->SetBuildCSDARange(rangeCmd->GetNewBoolValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }  

  if (command == lpmCmd) {
    opt->SetLPMFlag(lpmCmd->GetNewBoolValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == latCmd) {
    opt->SetMscLateralDisplacement(latCmd->GetNewBoolValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }

  if (command == verCmd) 
    opt->SetVerbose(verCmd->GetNewIntValue(newValue));

  if (command == lllCmd) 
    opt->SetLinearLossLimit(lllCmd->GetNewDoubleValue(newValue));

  if (command == labCmd) 
    opt->SetLambdaFactor(labCmd->GetNewDoubleValue(newValue));
  
  if (command == skinCmd) {
    opt->SetSkin(skinCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }  
  if (command == dedxCmd) { 
    opt->SetDEDXBinning(dedxCmd->GetNewIntValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }
  if (command == lamCmd) { 
    opt->SetLambdaBinning(lamCmd->GetNewIntValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }
  if (command == frCmd) {
    opt->SetMscRangeFactor(frCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }
  if (command == fgCmd) {
    opt->SetMscGeomFactor(fgCmd->GetNewDoubleValue(newValue));
    G4UImanager::GetUIpointer()->ApplyCommand("/run/physicsModified");
  }
}

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