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// $Id: G4tgrVolumeMgr.cc,v 1.7 2008/12/18 13:00:22 gunter Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
//
// class G4tgrVolumeMgr

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#include "G4tgrVolumeMgr.hh"
#include "G4tgrUtils.hh"
#include "G4tgrMaterialFactory.hh"
#include "G4tgrRotationMatrixFactory.hh"
#include "G4tgrFileReader.hh"
#include "G4tgrMessenger.hh"
#include "G4tgrSolid.hh"
#include "G4tgrSolidBoolean.hh"


G4tgrVolumeMgr* G4tgrVolumeMgr::theInstance = 0;


//-------------------------------------------------------------
G4tgrVolumeMgr::G4tgrVolumeMgr()
{
}


//-------------------------------------------------------------
G4tgrVolumeMgr::~G4tgrVolumeMgr()
{ 
  delete theInstance;
}


//-------------------------------------------------------------
G4tgrVolumeMgr* G4tgrVolumeMgr::GetInstance()
{
  if( !theInstance )
  {
    theInstance = new G4tgrVolumeMgr;
  }
  return theInstance;
}


//-------------------------------------------------------------------
G4tgrSolid*
G4tgrVolumeMgr::CreateSolid( const std::vector<G4String>& wl, G4bool bVOLUtag )
{
  G4tgrSolid* sol = FindSolid( wl[1] );
  if( sol )
  {
    G4String ErrMessage = "Solid already exists... " + wl[1];
    G4Exception("G4tgrVolumeMgr::CreateSolid()", "InvalidSetup",
                FatalException, ErrMessage);
  } 
  
  std::vector<G4String> wlc = wl;
  if( bVOLUtag )  { wlc.pop_back(); }

  G4String wl2 = wlc[2];
  for( size_t ii = 0; ii < wl2.length(); ii++ )
  {
    wl2[ii] = toupper( wl2[ii] );
  }
  if( (wl2 == "UNION") || (wl2 == "SUBTRACTION") || (wl2 == "INTERSECTION") )
  {
    //---------- Boolean solid
    //---------- Create G4tgrSolidBoolean and fill the solid params
    sol = new G4tgrSolidBoolean( wlc );
  }
  else
  {
    //---------- Create G4tgrSolidSimple and fill the solid params
    sol = new G4tgrSolid( wlc );
  }

  return sol;
}

//-------------------------------------------------------------------
void G4tgrVolumeMgr::RegisterMe( G4tgrSolid* sol) 
{
  if( theG4tgrSolidMap.find( sol->GetName() ) != theG4tgrSolidMap.end() )
  {
    G4String ErrMessage = "Cannot be two solids with the same name... "
                        + sol->GetName();
    G4Exception("G4tgrVolumeMgr::RegisterMe()", "InvalidSetup",
                FatalException, ErrMessage);
  }
  theG4tgrSolidMap.insert(G4mapssol::value_type(sol->GetName(), sol) ); 
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::UnRegisterMe( G4tgrSolid* sol ) 
{
  if( theG4tgrSolidMap.find( sol->GetName() ) != theG4tgrSolidMap.end() )
  { 
    G4String ErrMessage = "Cannot unregister a solid that is not registered... "
                        + sol->GetName();
    G4Exception("G4tgrSolidMgr::unRegisterMe()", "InvalidSetup",
                FatalException, ErrMessage);
  }
  else
  {
    theG4tgrSolidMap.erase( theG4tgrSolidMap.find( sol->GetName() ) ); 
  }
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::RegisterMe( G4tgrVolume* vol) 
{
  theG4tgrVolumeList.push_back( vol );
  if( theG4tgrVolumeMap.find( vol->GetName() ) != theG4tgrVolumeMap.end() )
  {
    G4String ErrMessage = "Cannot be two volumes with the same name... "
                        + vol->GetName();
    G4Exception("G4tgrVolumeMgr::RegisterMe()", "InvalidSetup",
                FatalException, ErrMessage);
  }
  theG4tgrVolumeMap.insert(G4mapsvol::value_type(vol->GetName(), vol) ); 
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::UnRegisterMe( G4tgrVolume* vol ) 
{
  std::vector<G4tgrVolume*>::iterator ite;
  for(ite = theG4tgrVolumeList.begin(); ite != theG4tgrVolumeList.end(); ite++)
  {
    if((*ite) == vol )  { break; }
  }
  if( ite == theG4tgrVolumeList.end() )
  { 
    G4String ErrMessage = "Cannot unregister a volume not registered... "
                        + vol->GetName();
    G4Exception("G4tgrVolumeMgr::unRegisterMe()", "InvalidSetup",
                FatalException, ErrMessage);
  }
  else
  {
    theG4tgrVolumeList.erase( ite );
  }
  theG4tgrVolumeMap.erase( theG4tgrVolumeMap.find( vol->GetName() ) ); 
}


//-------------------------------------------------------------

void G4tgrVolumeMgr::RegisterParentChild( const G4String& parentName,
                                          const G4tgrPlace* pl )
{ 
  theG4tgrVolumeTree.insert(G4mmapspl::value_type(parentName, pl) );
}


//-------------------------------------------------------------
G4tgrSolid* G4tgrVolumeMgr::FindSolid( const G4String& volname, G4bool exists )
{
  G4tgrSolid* vol = 0;
  
  G4mapssol::iterator svite = theG4tgrSolidMap.find( volname );
  if( svite == theG4tgrSolidMap.end() )
  {
    if( exists )
    {
      for( svite = theG4tgrSolidMap.begin();
           svite != theG4tgrSolidMap.end(); svite++ ) 
      {
        G4cerr << " VOL:" << (*svite).first << G4endl;
      }
      G4String ErrMessage = "Solid not found... " + volname;
      G4Exception("G4tgrVolumeMgr::FindSolid()", "InvalidSetup",
                  FatalException, ErrMessage);
    }
  }
  else
  {
    vol = const_cast<G4tgrSolid*>((*svite).second);
  }

  return vol;
}


//-------------------------------------------------------------
G4tgrVolume*
G4tgrVolumeMgr::FindVolume( const G4String& volname, G4bool exists ) 
{
  G4tgrVolume* vol = 0;
  
  G4mapsvol::iterator svite = theG4tgrVolumeMap.find( volname );
  if( svite == theG4tgrVolumeMap.end() )
  {
    if( exists )
    {
      for( svite = theG4tgrVolumeMap.begin();
           svite != theG4tgrVolumeMap.end(); svite++ )
      {
        G4cerr << " VOL:" << (*svite).first << G4endl;
      }
      G4String ErrMessage = "Volume not found... " + volname;
      G4Exception("G4tgrVolumeMgr::FindVolume()", "InvalidSetup",
                  FatalException, ErrMessage);
    }
    else
    {
      G4String WarMessage = "Volume does not exists... " + volname;
      G4Exception("G4tgrVolumeMgr::FindVolume()", "SearchFailed",
                  JustWarning, WarMessage);
    }
  }
  else
  {
    vol = const_cast<G4tgrVolume*>((*svite).second);
  }

  return vol;
}

//-------------------------------------------------------------
std::vector<G4tgrVolume*>
G4tgrVolumeMgr::FindVolumes( const G4String& volname, G4bool exists ) 
{
  std::vector<G4tgrVolume*> vols;
  
  G4mapsvol::iterator svite;
  for( svite = theG4tgrVolumeMap.begin();
       svite != theG4tgrVolumeMap.end(); svite++ )
  {
    if( G4tgrUtils::AreWordsEquivalent( volname, (*svite).second->GetName()) )
    {
      vols.push_back(const_cast<G4tgrVolume*>((*svite).second) );
    }
  }

  if( vols.size() == 0 ) 
  {
    if( exists )
    {
      for( svite = theG4tgrVolumeMap.begin();
           svite != theG4tgrVolumeMap.end(); svite++ )
      {
        G4cerr << " VOL:" << (*svite).first << G4endl;
      }
      G4String ErrMessage = "Volume not found... " + volname;
      G4Exception("G4tgrVolumeMgr::FindVolumes()", "InvalidSetup",
                  FatalException, ErrMessage);
    }
    else
    {
      G4String WarMessage = "Volume does not exists... " + volname;
      G4Exception("G4tgrVolumeMgr::FindVolumes()", "SearchFailed",
                  JustWarning, WarMessage);
    }
  }

  return vols;
}


//-------------------------------------------------------------
const G4tgrVolume* G4tgrVolumeMgr::GetTopVolume()
{
  //--- Start from any G4tgrVolume and go upwards until you get to the top.
  //    Check that indeed all volumes drive to the same top volume 

  const G4tgrVolume* topVol = 0;
  G4mapsvol::const_iterator itetv;
  for( itetv = theG4tgrVolumeMap.begin();
       itetv != theG4tgrVolumeMap.end(); itetv++ )
  {
    const G4tgrVolume* vol = (*itetv).second;
#ifdef G4VERBOSE
    if( G4tgrMessenger::GetVerboseLevel() >= 3 )
    {
      G4cout << " G4tgrVolumeMgr::GetTopVolume() - Vol: "
             << vol->GetName() << " no place = "
             <<  vol->GetPlacements().size() << G4endl;
    }
#endif
      
    while( vol->GetPlacements().size() != 0 )
    {
      vol = FindVolume((*(vol->GetPlacements()).begin())->GetParentName(), 1);
#ifdef G4VERBOSE
      if( G4tgrMessenger::GetVerboseLevel() >= 3 )
      {
        G4cout << " G4tgrVolumeMgr::GetTopVolume() - Vol: "
               << vol->GetName()<< " N place = "
               <<  vol->GetPlacements().size() << G4endl;
      }
#endif
    }
    if ( (topVol != 0) && (topVol != vol)
      && (topVol->GetType() != "VOLDivision")
      && (vol->GetType() != "VOLDivision") ) 
    {
      G4Exception("G4tgrVolumeMgr::GetTopVolume()",
                  "Two world volumes found, second will be taken", JustWarning,
                  (G4String("Both volumes are at the top of a hierarchy: ")
                   + topVol->GetName() + " & " + vol->GetName() ).c_str());
    }
    topVol = vol;
  }

  return topVol;
}


//-------------------------------------------------------------
std::pair<G4mmapspl::iterator, G4mmapspl::iterator>
G4tgrVolumeMgr::GetChildren( const G4String& name )
{
  std::pair<G4mmapspl::iterator, G4mmapspl::iterator> dite;
  dite = theG4tgrVolumeTree.equal_range( name );
  return dite;
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::DumpVolumeTree()
{
  G4cout << " @@@@@@@@@@@@@@@@ DUMPING G4tgrVolume's Tree  " << G4endl;

  const G4tgrVolume* vol = GetTopVolume();

  DumpVolumeLeaf( vol, 0, 0);
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::DumpVolumeLeaf( const G4tgrVolume* vol,
                                     unsigned int copyNo,
                                     unsigned int leafDepth)
{
  for( size_t ii=0; ii < leafDepth; ii++ )
  {
    G4cout << "  ";
  }
  G4cout << " VOL:(" << leafDepth << ")" <<  vol->GetName()
         << "   copy No " << copyNo << G4endl;

  //---------- construct the children of this VOL
  std::pair<G4mmapspl::const_iterator, G4mmapspl::const_iterator> children
    = GetChildren( vol->GetName() );
  G4mmapspl::const_iterator cite; 

  leafDepth++;
  for( cite = children.first; cite != children.second; cite++ )
  {
    //---- find G4tgrVolume pointed by G4tgrPlace
    const G4tgrPlace* pla = (*cite).second;
    const G4tgrVolume* volchild = pla->GetVolume();
    //--- find copyNo
    unsigned int cn = pla->GetCopyNo();
    DumpVolumeLeaf( volchild, cn, leafDepth );
  }
}


//-------------------------------------------------------------
void G4tgrVolumeMgr::DumpSummary()
{
  //---------- Dump number of objects of each class
  G4cout << " @@@@@@@@@@@@@@@@@@ Dumping Detector Summary " << G4endl;
  G4cout << " @@@ Geometry built inside world volume: "
         << GetTopVolume()->GetName() << G4endl;
  G4cout << " Number of G4tgrVolume's: "
         << theG4tgrVolumeMap.size() << G4endl;
  G4mapsvol::const_iterator cite;
  unsigned int nPlace = 0;
  for( cite = theG4tgrVolumeMap.begin();
       cite != theG4tgrVolumeMap.end(); cite++ )
  {
    nPlace += ((*cite).second)->GetPlacements().size();
  }
  G4cout << " Number of G4tgrPlace's: " << nPlace << G4endl;

  G4tgrMaterialFactory* matef = G4tgrMaterialFactory::GetInstance();
  G4cout << " Number of G4tgrIsotope's: "
         << matef->GetIsotopeList().size() << G4endl;
  G4cout << " Number of G4tgrElement's: "
         << matef->GetElementList().size() << G4endl;
  G4cout << " Number of G4tgrMaterial's: "
         << matef->GetMaterialList().size() << G4endl;

  G4tgrRotationMatrixFactory* rotmf = G4tgrRotationMatrixFactory::GetInstance();
  G4cout << " Number of G4tgrRotationMatrix's: "
         << rotmf->GetRotMatList().size() << G4endl;


  //---------- Dump detail list of objects of each class
  DumpVolumeTree();
  
  matef->DumpIsotopeList();
  matef->DumpElementList();
  matef->DumpMaterialList();
  rotmf->DumpRotmList();
}