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//
//
//---------------------------------------------------------------------------
//
// ClassName:   G4EmStandardPhysics_option4_channeling
//
// Author:      V.Ivanchenko 28.09.2012 from Option3 physics constructor
//
// Modified:
//
//----------------------------------------------------------------------------
//

#include "G4EmStandardPhysics_option4_channeling.hh"

#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4LossTableManager.hh"
#include "G4EmParameters.hh"

#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"
#include "G4RayleighScattering.hh"
#include "G4PEEffectFluoModel.hh"
#include "G4KleinNishinaModel.hh"
#include "G4LowEPComptonModel.hh"
#include "G4PenelopeGammaConversionModel.hh"
#include "G4LivermorePhotoElectricModel.hh"

#include "G4eMultipleScattering.hh"
#include "G4MuMultipleScattering.hh"
#include "G4hMultipleScattering.hh"
#include "G4MscStepLimitType.hh"
#include "G4UrbanMscModel.hh"
#include "G4DummyModel.hh"
#include "G4WentzelVIModel.hh"
#include "G4CoulombScattering.hh"
#include "G4eCoulombScatteringModel.hh"

#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4Generator2BS.hh"
#include "G4Generator2BN.hh"
#include "G4SeltzerBergerModel.hh"
#include "G4PenelopeIonisationModel.hh"
#include "G4UniversalFluctuation.hh"

#include "G4eplusAnnihilation.hh"
#include "G4UAtomicDeexcitation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"
#include "G4hBremsstrahlung.hh"
#include "G4hPairProduction.hh"
#include "G4ePairProduction.hh"

#include "G4MuBremsstrahlungModel.hh"
#include "G4MuPairProductionModel.hh"
#include "G4hBremsstrahlungModel.hh"
#include "G4hPairProductionModel.hh"

#include "G4hIonisation.hh"
#include "G4ionIonisation.hh"
#include "G4IonParametrisedLossModel.hh"
#include "G4NuclearStopping.hh"

#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"
#include "G4PionPlus.hh"
#include "G4PionMinus.hh"
#include "G4KaonPlus.hh"
#include "G4KaonMinus.hh"
#include "G4Proton.hh"
#include "G4AntiProton.hh"
#include "G4Deuteron.hh"
#include "G4Triton.hh"
#include "G4He3.hh"
#include "G4Alpha.hh"
#include "G4GenericIon.hh"

#include "G4PhysicsListHelper.hh"
#include "G4BuilderType.hh"
#include "G4EmModelActivator.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4EmStandardPhysics_option4_channeling);

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

G4EmStandardPhysics_option4_channeling::G4EmStandardPhysics_option4_channeling(G4int ver,
                                                                               const G4String&)
  : G4VPhysicsConstructor("G4EmStandard_opt4_channeling"), verbose(ver)
{
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetVerbose(verbose);
  param->SetMinEnergy(100*eV);
  param->SetMaxEnergy(10*TeV);
  param->SetLowestElectronEnergy(10*eV);
  param->SetNumberOfBinsPerDecade(20);
  param->ActivateAngularGeneratorForIonisation(true);
  param->SetMscThetaLimit(0.0);
  param->SetFluo(true);
  param->SetAuger(true);
  param->SetPixe(true);
  SetPhysicsType(bElectromagnetic);
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

G4EmStandardPhysics_option4_channeling::~G4EmStandardPhysics_option4_channeling()
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void G4EmStandardPhysics_option4_channeling::ConstructParticle()
{
  // gamma
  G4Gamma::Gamma();

  // leptons
  G4Electron::Electron();
  G4Positron::Positron();
  G4MuonPlus::MuonPlus();
  G4MuonMinus::MuonMinus();

  // mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();

  // barions
  G4Proton::Proton();
  G4AntiProton::AntiProton();

  // ions
  G4Deuteron::Deuteron();
  G4Triton::Triton();
  G4He3::He3();
  G4Alpha::Alpha();
  G4GenericIon::GenericIonDefinition();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void G4EmStandardPhysics_option4_channeling::ConstructProcess()
{
  if(verbose > 1) {
    G4cout << "### " << GetPhysicsName() << " Construct Processes " << G4endl;
  }
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();

  // muon & hadron bremsstrahlung and pair production
  G4MuBremsstrahlung* mub = new G4MuBremsstrahlung();
  G4MuPairProduction* mup = new G4MuPairProduction();
  G4hBremsstrahlung* pib = new G4hBremsstrahlung();
  G4hPairProduction* pip = new G4hPairProduction();
  G4hBremsstrahlung* kb = new G4hBremsstrahlung();
  G4hPairProduction* kp = new G4hPairProduction();
  G4hBremsstrahlung* pb = new G4hBremsstrahlung();
  G4hPairProduction* pp = new G4hPairProduction();
  G4ePairProduction* ee = new G4ePairProduction();

  // muon & hadron multiple scattering
  G4CoulombScattering* muss = new G4CoulombScattering();
  G4CoulombScattering* piss = new G4CoulombScattering();
  G4CoulombScattering* kss = new G4CoulombScattering();
  G4CoulombScattering* pss = new G4CoulombScattering();

  // energy limits for e+- scattering models
  //G4double highEnergyLimit = 100*MeV;
  // energy limits for e+- ionisation models
  G4double penEnergyLimit = 1*MeV;

  // nuclear stopping
  G4NuclearStopping* pnuc = new G4NuclearStopping();

  // Add standard EM Processes
  auto myParticleIterator=GetParticleIterator();
  myParticleIterator->reset();
  while( (*myParticleIterator)() ){
    G4ParticleDefinition* particle = myParticleIterator->value();
    G4String particleName = particle->GetParticleName();

    if (particleName == "gamma") {

      // Photoelectric
      G4PhotoElectricEffect* pe = new G4PhotoElectricEffect();
      G4VEmModel* theLivermorePEModel = new G4LivermorePhotoElectricModel();
      pe->SetEmModel(theLivermorePEModel,1);
      ph->RegisterProcess(pe, particle);

      // Compton scattering
      G4ComptonScattering* cs = new G4ComptonScattering;
      cs->SetEmModel(new G4KleinNishinaModel(),1);
      G4VEmModel* theLowEPComptonModel = new G4LowEPComptonModel();
      theLowEPComptonModel->SetHighEnergyLimit(20*MeV);
      cs->AddEmModel(0, theLowEPComptonModel);
      ph->RegisterProcess(cs, particle);

      // Gamma conversion
      G4GammaConversion* gc = new G4GammaConversion();
      G4VEmModel* thePenelopeGCModel = new G4PenelopeGammaConversionModel();
      thePenelopeGCModel->SetHighEnergyLimit(1*GeV);
      gc->SetEmModel(thePenelopeGCModel,1);
      ph->RegisterProcess(gc, particle);

      // Rayleigh scattering
      ph->RegisterProcess(new G4RayleighScattering(), particle);
 
    } else if (particleName == "e-") {

      // multiple scattering
      G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel();
      G4CoulombScattering* ss = new G4CoulombScattering();
      ss->SetEmModel(ssm, 1); 

      // ionisation
      G4eIonisation* eIoni = new G4eIonisation();
      eIoni->SetStepFunction(0.2, 100*um);
      G4PenelopeIonisationModel* pen = new G4PenelopeIonisationModel();
      pen->SetHighEnergyLimit(penEnergyLimit);
      eIoni->AddEmModel(0, pen, new G4UniversalFluctuation());

      // bremsstrahlung
      G4eBremsstrahlung* brem = new G4eBremsstrahlung();
      G4SeltzerBergerModel* br1 = new G4SeltzerBergerModel();
      G4eBremsstrahlungRelModel* br2 = new G4eBremsstrahlungRelModel();
      br1->SetAngularDistribution(new G4Generator2BS());
      br2->SetAngularDistribution(new G4Generator2BS());
      brem->SetEmModel(br1,1);
      brem->SetEmModel(br2,2);
      br2->SetLowEnergyLimit(GeV);

      // register processes
      ph->RegisterProcess(eIoni, particle);
      ph->RegisterProcess(brem, particle);
      ph->RegisterProcess(ee, particle);
      ph->RegisterProcess(ss, particle);

    } else if (particleName == "e+") {

      // multiple scattering
      G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel();
      G4CoulombScattering* ss = new G4CoulombScattering();
      ss->SetEmModel(ssm, 1); 

      // ionisation
      G4eIonisation* eIoni = new G4eIonisation();
      eIoni->SetStepFunction(0.2, 100*um);
      G4PenelopeIonisationModel* pen = new G4PenelopeIonisationModel();
      pen->SetHighEnergyLimit(penEnergyLimit);
      eIoni->AddEmModel(0, pen, new G4UniversalFluctuation());

      // bremsstrahlung
      G4eBremsstrahlung* brem = new G4eBremsstrahlung();
      G4SeltzerBergerModel* br1 = new G4SeltzerBergerModel();
      G4eBremsstrahlungRelModel* br2 = new G4eBremsstrahlungRelModel();
      br1->SetAngularDistribution(new G4Generator2BS());
      br2->SetAngularDistribution(new G4Generator2BS());
      brem->SetEmModel(br1,1);
      brem->SetEmModel(br2,2);
      br2->SetLowEnergyLimit(GeV);

      // register processes
      ph->RegisterProcess(eIoni, particle);
      ph->RegisterProcess(brem, particle);
      ph->RegisterProcess(ee, particle);
      ph->RegisterProcess(new G4eplusAnnihilation(), particle);
      ph->RegisterProcess(ss, particle);

    } else if (particleName == "mu+" ||
               particleName == "mu-"    ) {

      G4MuIonisation* muIoni = new G4MuIonisation();
      muIoni->SetStepFunction(0.2, 50*um);          

      ph->RegisterProcess(muIoni, particle);
      ph->RegisterProcess(mub, particle);
      ph->RegisterProcess(mup, particle);
      ph->RegisterProcess(muss, particle);

    } else if (particleName == "alpha" ||
               particleName == "He3") {

      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetStepFunction(0.1, 10*um);

      ph->RegisterProcess(new G4CoulombScattering(), particle);
      ph->RegisterProcess(ionIoni, particle);
      //ph->RegisterProcess(pnuc, particle);

    } else if (particleName == "GenericIon") {

      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetEmModel(new G4IonParametrisedLossModel());
      ionIoni->SetStepFunction(0.1, 1*um);

      ph->RegisterProcess(new G4CoulombScattering(), particle);
      ph->RegisterProcess(ionIoni, particle);
      //ph->RegisterProcess(pnuc, particle);

    } else if (particleName == "pi+" ||
               particleName == "pi-" ) {

      //G4hMultipleScattering* pimsc = new G4hMultipleScattering();
      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);

      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pib, particle);
      ph->RegisterProcess(pip, particle);
      ph->RegisterProcess(piss, particle);

    } else if (particleName == "kaon+" ||
               particleName == "kaon-" ) {

      //G4hMultipleScattering* kmsc = new G4hMultipleScattering();
      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);

      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(kb, particle);
      ph->RegisterProcess(kp, particle);
      ph->RegisterProcess(kss, particle);

    } else if (particleName == "proton" ||
               particleName == "anti_proton") {

      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.1, 20*um);

      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pb, particle);
      ph->RegisterProcess(pp, particle);
      ph->RegisterProcess(pss, particle);
      //ph->RegisterProcess(pnuc, particle);

    } else if (particleName == "B+" ||
               particleName == "B-" ||
               particleName == "D+" ||
               particleName == "D-" ||
               particleName == "Ds+" ||
               particleName == "Ds-" ||
               particleName == "anti_He3" ||
               particleName == "anti_alpha" ||
               particleName == "anti_deuteron" ||
               particleName == "anti_lambda_c+" ||
               particleName == "anti_omega-" ||
               particleName == "anti_sigma_c+" ||
               particleName == "anti_sigma_c++" ||
               particleName == "anti_sigma+" ||
               particleName == "anti_sigma-" ||
               particleName == "anti_triton" ||
               particleName == "anti_xi_c+" ||
               particleName == "anti_xi-" ||
               particleName == "deuteron" ||
               particleName == "lambda_c+" ||
               particleName == "omega-" ||
               particleName == "sigma_c+" ||
               particleName == "sigma_c++" ||
               particleName == "sigma+" ||
               particleName == "sigma-" ||
               particleName == "tau+" ||
               particleName == "tau-" ||
               particleName == "triton" ||
               particleName == "xi_c+" ||
               particleName == "xi-" ) {

      ph->RegisterProcess(new G4CoulombScattering(), particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
      //ph->RegisterProcess(pnuc, particle);
    }
  }
    
  // Nuclear stopping
  pnuc->SetMaxKinEnergy(MeV);
    
  // Deexcitation
  G4VAtomDeexcitation* de = new G4UAtomicDeexcitation();
  G4LossTableManager::Instance()->SetAtomDeexcitation(de);

  G4EmModelActivator mact(GetPhysicsName());
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
