//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
/// \file PhysicsList.cc
/// \brief Implementation of the PhysicsList class

#include "PhysicsList.hh"

#include "PhysListEmStandard.hh"
#include "PhysicsListMessenger.hh"

#include "G4EmLivermorePhysics.hh"
#include "G4EmLowEPPhysics.hh"
#include "G4EmPenelopePhysics.hh"
#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysicsGS.hh"
#include "G4EmStandardPhysicsSS.hh"
#include "G4EmStandardPhysicsWVI.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4LossTableManager.hh"
#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"

// particles

#include "StepMax.hh"

#include "G4BaryonConstructor.hh"
#include "G4BosonConstructor.hh"
#include "G4Decay.hh"
#include "G4GenericIon.hh"
#include "G4IonConstructor.hh"
#include "G4LeptonConstructor.hh"
#include "G4MesonConstructor.hh"
#include "G4NuclideTable.hh"
#include "G4PhysicsListHelper.hh"
#include "G4RadioactiveDecay.hh"
#include "G4ShortLivedConstructor.hh"

G4ThreadLocal StepMax* PhysicsList::fStepMaxProcess = nullptr;

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

PhysicsList::PhysicsList()
{
  fMessenger = new PhysicsListMessenger(this);

  SetVerboseLevel(1);

  // EM physics
  fEmPhysicsList = new PhysListEmStandard(fEmName = "local");

  G4LossTableManager::Instance();
  SetDefaultCutValue(1. * mm);
}

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

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

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

void PhysicsList::ConstructParticle()
{
  G4BosonConstructor pBosonConstructor;
  pBosonConstructor.ConstructParticle();

  G4LeptonConstructor pLeptonConstructor;
  pLeptonConstructor.ConstructParticle();

  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();

  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();

  G4IonConstructor pIonConstructor;
  pIonConstructor.ConstructParticle();

  G4ShortLivedConstructor pShortLivedConstructor;
  pShortLivedConstructor.ConstructParticle();
}

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

#include "G4ProcessManager.hh"

void PhysicsList::ConstructProcess()
{
  // transportation
  //
  AddTransportation();

  // electromagnetic physics list
  //
  fEmPhysicsList->ConstructProcess();

  // Em options
  //
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetBuildCSDARange(true);

  // decay process
  //
  AddDecay();

  // radioactive decay Process
  //
  AddRadioactiveDecay();

  // step limitation (as a full process)
  //
  AddStepMax();
}

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

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

  if (name == fEmName) return;

  if (name == "local") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandard(name);
  }
  else if (name == "emstandard_opt0") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics();
  }
  else if (name == "emstandard_opt1") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option1();
  }
  else if (name == "emstandard_opt2") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option2();
  }
  else if (name == "emstandard_opt3") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option3();
  }
  else if (name == "emstandard_opt4") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysics_option4();
  }
  else if (name == "emstandardSS") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsSS();
  }
  else if (name == "emstandardGS") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsGS();
  }
  else if (name == "emstandardWVI") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmStandardPhysicsWVI();
  }
  else if (name == "emlowenergy") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLowEPPhysics();
  }
  else if (name == "emlivermore") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmLivermorePhysics();
  }
  else if (name == "empenelope") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new G4EmPenelopePhysics();
  }
  else {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">"
           << " is not defined" << G4endl;
  }
}

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

void PhysicsList::AddDecay()
{
  // decay process
  //
  G4Decay* decay = new G4Decay();
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();

  auto particleIterator = GetParticleIterator();
  particleIterator->reset();
  while ((*particleIterator)()) {
    G4ParticleDefinition* particle = particleIterator->value();
    if (decay->IsApplicable(*particle) && !particle->IsShortLived()) {
      ph->RegisterProcess(decay, particle);
    }
  }
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void PhysicsList::AddRadioactiveDecay()
{
  G4RadioactiveDecay* radioactiveDecay = new G4RadioactiveDecay();

  G4bool armFlag = false;
  radioactiveDecay->SetARM(armFlag);  // Atomic Rearangement

  // atomic de-excitation module, if needed
  if (armFlag) {
    G4EmParameters::Instance()->SetAuger(true);
    G4EmParameters::Instance()->SetDeexcitationIgnoreCut(true);
  }

  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
  ph->RegisterProcess(radioactiveDecay, G4GenericIon::GenericIon());

  // mandatory for G4NuclideTable
  //
  const G4double meanLife = 1 * picosecond, halfLife = meanLife * std::log(2);
  G4NuclideTable::GetInstance()->SetThresholdOfHalfLife(halfLife);
}

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

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

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

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

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