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// This is the modified version of the example electromagnetic/TestEm7/src/PhysicsList.cc

#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"
#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4EmLivermorePhysics.hh"
#include "G4EmPenelopePhysics.hh"
#include "StepMax.hh"
#include "G4DecayPhysics.hh"
#include "G4ProcessManager.hh"
#include "G4Decay.hh"

#include "G4IonPhysics.hh"
#include "G4LossTableManager.hh"
#include "G4EmConfigurator.hh"
#include "G4UnitsTable.hh"
#include "G4IonFluctuations.hh"
#include "G4IonParametrisedLossModel.hh"
#include "G4UniversalFluctuation.hh"
#include "G4BraggIonGasModel.hh"
#include "G4BetheBlochIonGasModel.hh"

#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"

// Bosons
#include "G4ChargedGeantino.hh"
#include "G4Geantino.hh"
#include "G4Gamma.hh"
#include "G4OpticalPhoton.hh"

// leptons
#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"
#include "G4NeutrinoMu.hh"
#include "G4AntiNeutrinoMu.hh"

#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4NeutrinoE.hh"
#include "G4AntiNeutrinoE.hh"

// Mesons
#include "G4PionPlus.hh"
#include "G4PionMinus.hh"
#include "G4PionZero.hh"
#include "G4Eta.hh"
#include "G4EtaPrime.hh"

#include "G4KaonPlus.hh"
#include "G4KaonMinus.hh"
#include "G4KaonZero.hh"
#include "G4AntiKaonZero.hh"
#include "G4KaonZeroLong.hh"
#include "G4KaonZeroShort.hh"

// Baryons
#include "G4Proton.hh"
#include "G4AntiProton.hh"
#include "G4Neutron.hh"
#include "G4AntiNeutron.hh"

// Nuclei
#include "G4Alpha.hh"
#include "G4Deuteron.hh"
#include "G4Triton.hh"
#include "G4He3.hh"
#include "G4GenericIon.hh"
#include "G4DNAGenericIonsManager.hh"


PhysicsList::PhysicsList() : G4VModularPhysicsList(),
  fEmPhysicsList(0),
  fDecPhysicsList(0),    
  fStepMaxProcess(0),
  fMessenger(0)
{
  G4LossTableManager::Instance();
  defaultCutValue = 1.*mm;
  fCutForGamma     = defaultCutValue;
  fCutForElectron  = defaultCutValue;
  fCutForPositron  = defaultCutValue;

  fStepMaxProcess  = 0;

  fMessenger = new PhysicsListMessenger(this);

  SetVerboseLevel(1);

  // EM physics
  fEmName = G4String("emstandard_opt0");  
  fEmPhysicsList = new G4EmStandardPhysics();

  // Deacy physics and all particles
  fDecPhysicsList = new G4DecayPhysics();
}

PhysicsList::~PhysicsList()
{
  delete fMessenger;
  delete fEmPhysicsList;
  delete fDecPhysicsList;
}

void PhysicsList::ConstructParticle()
{
  
// gamma
  G4Gamma::GammaDefinition();
  
// optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();

// leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();  

// mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
  G4Eta::EtaDefinition();
  G4EtaPrime::EtaPrimeDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  G4KaonZero::KaonZeroDefinition();
  G4AntiKaonZero::AntiKaonZeroDefinition();
  G4KaonZeroLong::KaonZeroLongDefinition();
  G4KaonZeroShort::KaonZeroShortDefinition();

// barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();

// ions
  G4Deuteron::DeuteronDefinition();
  G4Triton::TritonDefinition();
  G4He3::He3Definition();
  G4Alpha::AlphaDefinition();
  G4GenericIon::GenericIonDefinition();  
}

void PhysicsList::ConstructProcess()
{
  // transportation
  AddTransportation();
  
  // electromagnetic physics list
  fEmPhysicsList->ConstructProcess();

  // decay physics list
  fDecPhysicsList->ConstructProcess();
   
  // step limitation (as a full process)
  AddStepMax();  
}

void PhysicsList::AddPhysicsList(const G4String& name)
{
  if (verboseLevel>1) {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">" << G4endl;
  }

  if (name == fEmName) return;

   // high energy physics applications (LHC, ATLAS) used in QGSP_BERT, FTFP_BERT ...
  if (name == "emstandard_opt0") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics();

   // high energy physics applications (LHC, CMS) used in QGSP_BERT_EMV, ... 
  } else if (name == "emstandard_opt1") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option1();

   // high energy physics applications (LHC, LHCb) 
  } else if (name == "emstandard_opt2") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option2();
    
   // most accurate standard model physics  
  } else if (name == "emstandard_opt3") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option3();    
    
   // most accurate EM physics
  } else if (name == "emstandard_opt4") {

    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option4();    

    // low energy electromagnetic processes
    // electrons and photons [250eV - 1GeV]
  } else if (name == "emlivermore") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLivermorePhysics();

    // electrons, positrons and photons [250eV - 1GeV]
  } else if (name == "empenelope") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmPenelopePhysics();

  } else {

    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">"
           << " is not defined"
           << G4endl;
  }
}

void PhysicsList::AddStepMax()
{
  // Step limitation seen as a process
  fStepMaxProcess = new StepMax();

  theParticleIterator->reset();
  while ((*theParticleIterator)()){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();

    if (fStepMaxProcess->IsApplicable(*particle) && pmanager)
      {
        pmanager ->AddDiscreteProcess(fStepMaxProcess);
      }
  }
}

void PhysicsList::SetCuts()
{
  if (verboseLevel >0) {
    G4cout << "PhysicsList::SetCuts:";
    G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
  }

  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma
  SetCutValue(fCutForGamma, "gamma");
  SetCutValue(fCutForElectron, "e-");
  SetCutValue(fCutForPositron, "e+");

  if (verboseLevel>0) DumpCutValuesTable();
}

void PhysicsList::SetCutForGamma(G4double cut)
{
  fCutForGamma = cut;
  SetParticleCuts(fCutForGamma, G4Gamma::Gamma());
}

void PhysicsList::SetCutForElectron(G4double cut)
{
  fCutForElectron = cut;
  SetParticleCuts(fCutForElectron, G4Electron::Electron());
}

void PhysicsList::SetCutForPositron(G4double cut)
{
  fCutForPositron = cut;
  SetParticleCuts(fCutForPositron, G4Positron::Positron());
}