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//
// G4GDMLParser
//
// Class description:
//
// GDML main parser.

// Author: Zoltan Torzsok, November 2007
// --------------------------------------------------------------------
#ifndef G4GDMLPARSER_HH
#define G4GDMLPARSER_HH 1

#include "G4GDMLReadStructure.hh"
#include "G4GDMLWriteStructure.hh"
#include "G4STRead.hh"
#include "G4GDMLMessenger.hh"
#include "G4GDMLEvaluator.hh"

#include "G4TransportationManager.hh"
#include "G4Navigator.hh"
#include "G4Threading.hh"

#ifndef G4GDML_DEFAULT_SCHEMALOCATION
#define G4GDML_DEFAULT_SCHEMALOCATION                                          \
  G4String("http://cern.ch/service-spi/app/releases/GDML/schema/gdml.xsd")
#endif

#ifndef G4GDML_DEFAULT_WRITE_SCHEMALOCATION
#define G4GDML_DEFAULT_WRITE_SCHEMALOCATION                                    \
  G4String("http://cern.ch/service-spi/app/releases/GDML/schema/gdml.xsd")
#endif

class G4GDMLParser
{
  public:

    G4GDMLParser();
    G4GDMLParser(G4GDMLReadStructure*);
    G4GDMLParser(G4GDMLReadStructure*, G4GDMLWriteStructure*);
    ~G4GDMLParser();
    //
    // Parser constructors & destructor

    inline void Read(const G4String& filename, G4bool Validate = false);
    //
    // Imports geometry with world-volume, specified by the GDML filename
    // in input. Validation against schema is activated by default.
    // Schema validation is disabled, as XercesC currently does not support https.

    inline void ReadModule(const G4String& filename, G4bool Validate = false);
    //
    // Imports a single GDML module, specified by the GDML filename
    // in input. Validation against schema is activated by default.
    // Schema validation is disabled, as XercesC currently does not support https.

    inline void Write( const G4String& filename,
                       const G4VPhysicalVolume* pvol = 0,
                       G4bool storeReferences = true,
               const G4String& SchemaLocation = G4GDML_DEFAULT_WRITE_SCHEMALOCATION);
    //
    // Exports on a GDML file, specified by 'filename' a geometry tree
    // starting from 'pvol' as top volume. Uniqueness of stored entities
    // is guaranteed by storing pointer-references by default.
    // Alternative path for the schema location can be specified; by default
    // the URL to the GDML web site is used.

    inline void Write( const G4String& filename, const G4LogicalVolume* lvol,
                       G4bool storeReferences = true,
               const G4String& SchemaLocation = G4GDML_DEFAULT_WRITE_SCHEMALOCATION);
    //
    // Exports on a GDML file, specified by 'filename' a geometry tree
    // starting from 'pvol' as top volume. Uniqueness of stored entities
    // is guaranteed by storing pointer-references by default.
    // Alternative path for the schema location can be specified; by default
    // the URL to the GDML web site is used. Same as method above except
    // that the logical volume must be provided here.

    inline G4LogicalVolume* ParseST(const G4String& name, G4Material* medium,
                                    G4Material* solid);
    //
    // Imports a tessellated geometry stored as STEP-Tools files
    // 'name.geom' and 'name.tree'. It returns a pointer of a generated
    // mother volume with 'medium' material associated, including the
    // imported tessellated geometry with 'solid' material associated.

    // Methods for Reader

    inline G4bool IsValid(const G4String& name) const;
    inline G4double GetConstant(const G4String& name) const;
    inline G4double GetVariable(const G4String& name) const;
    inline G4double GetQuantity(const G4String& name) const;
    inline G4ThreeVector GetPosition(const G4String& name) const;
    inline G4ThreeVector GetRotation(const G4String& name) const;
    inline G4ThreeVector GetScale(const G4String& name) const;
    inline G4GDMLMatrix GetMatrix(const G4String& name) const;
    inline G4LogicalVolume* GetVolume(const G4String& name) const;
    inline G4VPhysicalVolume* GetPhysVolume(const G4String& name) const;
    inline G4VPhysicalVolume*
           GetWorldVolume(const G4String& setupName = "Default") const;
    inline G4GDMLAuxListType
           GetVolumeAuxiliaryInformation(G4LogicalVolume* lvol) const;
    inline const G4GDMLAuxMapType* GetAuxMap() const;
    inline const G4GDMLAuxListType* GetAuxList() const;
    inline void AddAuxiliary(G4GDMLAuxStructType myaux);
    inline void StripNamePointers() const;
    inline void SetStripFlag(G4bool);
    inline void SetOverlapCheck(G4bool);
    inline void SetRegionExport(G4bool);
    inline void SetEnergyCutsExport(G4bool);
    inline void SetSDExport(G4bool);
    inline void SetReverseSearch(G4bool);
    inline void SetImportSchema(const G4String& path_and_filename);

    inline G4int GetMaxExportLevel() const;  // Manage max number of levels
    inline void SetMaxExportLevel(G4int);    // to export

    inline void Clear();  // Clears the evaluator

    // Methods for Writer

    inline void AddModule(const G4VPhysicalVolume* const physvol);
    inline void AddModule(const G4int depth);
    inline void SetAddPointerToName(G4bool set);
    inline void AddVolumeAuxiliary(G4GDMLAuxStructType myaux,
                                   const G4LogicalVolume* const lvol);
    inline void SetOutputFileOverwrite(G4bool flag);

  private:

    void ImportRegions();
    void ExportRegions(G4bool storeReferences = true);

  private:

    G4GDMLEvaluator eval;
    G4GDMLReadStructure* reader = nullptr;
    G4GDMLWriteStructure* writer = nullptr;
    G4GDMLAuxListType *rlist = nullptr, *ullist = nullptr;
    G4GDMLMessenger* messenger = nullptr;
    G4bool urcode = false, uwcode = false, strip = false, rexp = false;
};

#include "G4GDMLParser.icc"

#endif