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// $Id: G4NistManager.hh,v 1.8 2006/06/29 19:11:38 gunter Exp $
// GEANT4 tag $Name: geant4-08-01 $
//
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
// File name:     G4NistManager
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 23.12.2004
//
// Modifications:
// 27.02.06 V.Ivanchneko add GetAtomicMassAmu and ConstructNewGasMaterial
// 11.05.06 V.Ivanchneko add warning flag to FindMaterial method
//
// Class Description:
//
// A utility static class
//

// -------------------------------------------------------------------
//
// Class Description:
//
// Element data from the NIST DB on Atomic Weights and Isotope Compositions
// http://physics.nist.gov/PhysRefData/Compositions/index.html
//
// -------------------------------------------------------------------
//

#ifndef G4NistManager_h
#define G4NistManager_h 1

#include <vector>
#include "globals.hh"
#include "G4Material.hh"
#include "G4NistElementBuilder.hh"

class G4NistMaterialBuilder;
class G4NistMessenger;

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

class G4NistManager
{

public:

  static G4NistManager* Instance();
  ~G4NistManager();

 // Elements
 //
  void RegisterElement  (G4Element*);
  void DeRegisterElement(G4Element*);

  G4Element* GetElement(size_t index);
  
  // Find or build G4Element by atomic number
  G4Element* FindOrBuildElement(G4int Z, G4bool isotopes=true);
  
  // Find or build G4Element by symbol
  G4Element* FindOrBuildElement(const G4String& symb, G4bool isotopes=true);

  size_t   GetNumberOfElements() const;
  G4int    GetZ(const G4String& symb) const;
  G4double GetAtomicMassAmu(G4int Z) const;
  G4double GetIsotopeMass(G4int Z, G4int N) const;
  G4double GetIsotopeAbundance(G4int Z, G4int N) const;

  void PrintElement(const G4String&);
  void PrintElement(G4int Z);
    
  void PrintG4Element(const G4String&);  
  

 // Materials
 //
  void RegisterMaterial  (G4Material*);
  void DeRegisterMaterial(G4Material*);

  G4Material* GetMaterial(size_t index);
  
  // Find or build a G4Material by name, from the dataBase
  //
  G4Material* FindOrBuildMaterial(const G4String& name, G4bool isotopes=true,
				  G4bool warning=false);
  
  // construct a G4Material from scratch by atome count
  // 
  G4Material* ConstructNewMaterial(const G4String& name,
				   const std::vector<G4String>& elm,
				   const std::vector<G4int>& nbAtoms,
				   G4double dens, G4bool isotopes=true);
				      
  // construct a G4Material from scratch by fraction mass
  // 
  G4Material* ConstructNewMaterial(const G4String& name,
				   const std::vector<G4String>& elm,
				   const std::vector<G4double>& weight,
				   G4double dens, G4bool isotopes=true);

  // construct a gas G4Material from scratch by atome count
  // 
  G4Material* ConstructNewGasMaterial(const G4String& name,
                                      const G4String& nameNist,
				      G4double temp, G4double pres, 
				      G4bool isotopes=true);

  size_t GetNumberOfMaterials() {return nMaterials;};
  
  void SetVerbose(G4int);
  G4int GetVerbose();

  void ListMaterials(const G4String&);
  void PrintG4Material(const G4String&);

private:

  G4NistManager();
  static G4NistManager* instance;
  
  std::vector<G4Element*>   elements;
  std::vector<G4Material*>  materials;
  
  size_t   nElements;
  size_t   nMaterials;
  
  G4int    verbose;

  G4NistElementBuilder*    elmBuilder;
  G4NistMaterialBuilder*   matBuilder;
  G4NistMessenger*         messenger;
};

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

inline 
G4Element* G4NistManager::GetElement(size_t index)
{
  G4Element* elm = 0;
  if(index < nElements) elm = elements[index];
  return elm;
}

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

inline 
G4Element* G4NistManager::FindOrBuildElement(G4int Z, G4bool isotopes)
{
  return elmBuilder->FindOrBuildElement(Z, isotopes);
}

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

inline
G4Element* G4NistManager::FindOrBuildElement(const G4String& symb,
                                                   G4bool isotopes)
{
  return elmBuilder->FindOrBuildElement(symb, isotopes);
}

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

inline
size_t G4NistManager::GetNumberOfElements() const
{ 
  return nElements;
}

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

inline 
G4int G4NistManager::GetZ(const G4String& symb) const
{
  return elmBuilder->GetZ(symb);
}

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

inline 
G4double G4NistManager::GetAtomicMassAmu(G4int Z) const
{
  return elmBuilder->GetA(Z);
}

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

inline 
G4double G4NistManager::GetIsotopeMass(G4int Z, G4int N) const
{
  return elmBuilder->GetIsotopeMass(Z, N);
}

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

inline 
G4double G4NistManager::GetIsotopeAbundance(G4int Z, G4int N) const
{
  return elmBuilder->GetIsotopeAbundance(Z, N);
}

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

inline
G4Material* G4NistManager::GetMaterial(size_t index)
{
  G4Material* mat = 0;
  if(index < nMaterials) mat = materials[index];
  return mat;
}

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

inline
G4int G4NistManager::GetVerbose()
{
  return verbose;
}

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

#endif