//----------------------------------------------------------------------------
//  EgalTech 2013-2013
//----------------------------------------------------------------------------
// File : GeomDB.cpp           Data : 08.04.13          Versione : 1.1c1
// Contenuto : Implementazione della classe GeomDB.
//
//
//
// Modifiche : 22.01.13 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include <iostream>
#include <new>
#include "GdbObj.h"
#include "GeomDB.h"

using namespace std ;

//----------------------------------------------------------------------------
IGeomDB*
CreateGeomDB( void)
{
   return static_cast<IGeomDB*> ( new GeomDB) ;
}

//----------------------------------------------------------------------------
// GeomDB
//----------------------------------------------------------------------------
GeomDB::GeomDB( void)
{
}

//----------------------------------------------------------------------------
GeomDB::~GeomDB( void)
{
   Clear() ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Init( void)
{
  // imposto numero minimo buckets di m_GdbNameMap
   m_GdbNameMap.rehash( 128) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Clear( void)
{
   PGDBO_LIST::iterator Iter ;


  // ciclo di pulizia
   for ( Iter = m_GeomDB.begin() ; Iter != m_GeomDB.end() ; Iter++)
      delete (*Iter) ;

   m_GeomDB.clear() ;
   m_GdbNameMap.clear() ;

   return true ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Load( std::ifstream& osIn)
{
   bool  bOk ;
   bool  bEnd ;
   CScan TheScanner ;


  // inizializzo lo scanner
   if ( ! TheScanner.Initialize( osIn)) {
      cout << "GeomDbLoad : Error on Init " << endl ;
      return false ;
   }

  // leggo l'intestazione
   if ( ! LoadStart( TheScanner)) {
      cout << "GeomDbLoad : Error on line " << TheScanner.GetCurrLineNbr() << endl ;
      return false ;
   }

  // ciclo di lettura degli oggetti
   bOk = true ;
   do {
      if ( ! LoadOneObject( TheScanner, bEnd)) {
         bOk = false ;
         cout << "GeomDbLoad : Error on line " << TheScanner.GetCurrLineNbr() << endl ;
      }
   } while ( ! bEnd) ;

   return bOk ;
}

//----------------------------------------------------------------------------
bool
GeomDB::LoadStart( CScan& TheScanner)
{
   string  sLine ;

   
  // recupero la prima linea
   if ( ! TheScanner.GetLine( sLine))
      return false ;

  // deve essere l'intestazione
   if ( sLine != "START")
      return false ;

  // recupero la riga successiva
   if ( ! TheScanner.GetLine( sLine))
      return false ;

  // leggo i parametri
   // TODO

   return true ;
}

//----------------------------------------------------------------------------
bool
GeomDB::LoadOneObject( CScan& TheScanner, bool& bEnd)
{
   string  sErrLine ;
   GdbObj* pGdbObj ;


  // in generale non è fine file
   bEnd = false ;

  // creo l'oggetto GDB
   pGdbObj = new GdbObj ;
   if ( pGdbObj == nullptr)
      return false ;

  // se lettura dati va bene
   if ( pGdbObj->Load( TheScanner, sErrLine)) {
     // se inserimento nel DB va bene
      if ( AddToGeomDB( pGdbObj))
         return true ;
     // altrimenti errore
      else {
         delete pGdbObj ;
         return false ;
      }
   }

   else {
     // in ogni caso non serve oggetto GDB
      delete pGdbObj ;
     // se fine dati
      if ( sErrLine == "END") {
         bEnd = true ;
         return true ;
      }
     // altrimenti errore
      else
         return false ;
   }
}

//----------------------------------------------------------------------------
bool
GeomDB::Save( std::ofstream& osOut)
{
   bool bOk ;
   PGDBO_LIST::iterator Iter ;


   bOk = true ;
  // intestazione
   osOut << "START" << endl ;
   osOut << "GeomDB,1.2a3" << endl ;
  // ciclo di scrittura degli oggetti
   for ( Iter = m_GeomDB.begin() ; Iter != m_GeomDB.end() ; ++Iter) {
     // oggetto geometrico
      if ( ! (*Iter)->Save( osOut))
         bOk = false ;
   }
  // terminazione
   osOut << "END" << endl ;

   return bOk ;
}

//----------------------------------------------------------------------------
bool
GeomDB::ExistsObj( const std::string& sName)
{
   STRPGDBO_UMAP::const_iterator Iter ;


   Iter = m_GdbNameMap.find( sName) ;
   return ( Iter != m_GdbNameMap.end()) ;
}

//----------------------------------------------------------------------------
GdbObj*
GeomDB::GetGdbObj( const std::string& sName)
{
   STRPGDBO_UMAP::const_iterator Iter ;


   Iter = m_GdbNameMap.find( sName) ;
   if ( Iter != m_GdbNameMap.end())
      return Iter->second ;
   else
      return nullptr ;
}

//----------------------------------------------------------------------------
bool
GeomDB::AddToGeomDB( GdbObj* pGdbObj)
{
  // verifico validità oggetto puntato
   if ( pGdbObj == nullptr)
      return false ;

  // verifica validità e unicità del nome
   if ( pGdbObj->m_sName.length() == 0  ||  ExistsObj( pGdbObj->m_sName))
      return false ;

  // inserisco in lista principale
   m_GeomDB.push_back( pGdbObj) ;

  // inserisco in mappa nomi
   m_GdbNameMap[ pGdbObj->m_sName] = pGdbObj ;

   return true ;
}

//----------------------------------------------------------------------------
bool
GeomDB::AddGeoObj( const std::string& sName, IGeoObj* pGeoObj)
{
   GdbObj* pGdbObj ;


  // verifico validità nome
   if ( sName.length() == 0)
      return false ;
  // verifico validità oggetto Geo
   if ( pGeoObj == nullptr  ||  ! pGeoObj->IsValid())
      return false ;
  // alloco oggetto Gdb
   pGdbObj = new(nothrow) GdbObj ;
   if ( pGdbObj == nullptr)
      return false ;
  // assegno nome
   pGdbObj->m_sName = sName ;
  // assegno dati
   pGdbObj->m_pGeoObj = pGeoObj ;
  // inserisco nel DB
   if ( ! AddToGeomDB( pGdbObj)) {
      delete pGdbObj ;
      return false ;
   }

   return true ;
}

//----------------------------------------------------------------------------
GeoObjType
GeomDB::GetObjType( const std::string& sName)
{
   const GdbObj* pGdbObj ;


  // recupero l'oggetto
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return GEO_NONE ;
  // ne identifico il tipo
   return pGdbObj->GetType() ;
}

//----------------------------------------------------------------------------
IGeoObj*
GeomDB::GetGeoObj( const string& sName)
{
   const GdbObj* pGdbObj ;


  // recupero l'oggetto Gdb
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return nullptr ;

  // restituisco il suo contenuto geometrico
   return pGdbObj->m_pGeoObj ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Copy( const string& sNameSou, const string& sNameDest)
{
   GdbObj* pGdoSou ;
   GdbObj* pGdoDest ;


  // verifico esistenza del sorgente
   if ( ( pGdoSou = GetGdbObj( sNameSou)) == nullptr)
      return false ;

  // eseguo la copia
   if ( ( pGdoDest = pGdoSou->Clone()) == nullptr)
      return false ;

  // assegno il nuovo nome
   pGdoDest->m_sName = sNameDest ;

  // inserisco nel DB
   if ( ! AddToGeomDB( pGdoDest)) {
      delete pGdoDest ;
      return false ;
   }

   return true ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Erase( const string& sName)
{
   PGDBO_LIST::iterator Iter ;


  // elimino da mappa dei nomi
   m_GdbNameMap.erase( sName) ;

  // elimino da lista principale
   for ( Iter = m_GeomDB.begin() ; Iter != m_GeomDB.end() ; Iter++) {
     // se oggetto cercato
      if ( (*Iter)->m_sName == sName) {
        // lo disalloco (distruttore virtuale)
         delete( (*Iter)) ;
        // lo tolgo dalla lista
         m_GeomDB.erase( Iter) ;
        // esco
         return true ;
      }
   }

   return false ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Translate( const string& sName, const Vector3d& vtMove)
{
   GdbObj* pGdbObj ;


  // recupero l'oggetto
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return false ;

  // eseguo l'operazione
   return pGdbObj->Translate( vtMove) ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Rotate( const string& sName, const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng)
{
   GdbObj* pGdbObj ;


  // recupero l'oggetto
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return false ;

  // eseguo l'operazione
   return pGdbObj->Rotate( ptAx, vtAx, dCosAng, dSinAng) ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Scale( const string& sName, const Point3d& ptCen, double dCoeffX, double dCoeffY, double dCoeffZ)
{
   GdbObj* pGdbObj ;


  // recupero l'oggetto
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return false ;

  // eseguo l'operazione
   return pGdbObj->Scale( ptCen, dCoeffX, dCoeffY, dCoeffZ) ;
}

//----------------------------------------------------------------------------
bool
GeomDB::Mirror( const string& sName, const Point3d& ptOn, const Vector3d& vtNorm)
{
   GdbObj* pGdbObj ;


  // recupero l'oggetto
   if ( ( pGdbObj = GetGdbObj( sName)) == nullptr)
      return false ;

  // eseguo l'operazione
   return pGdbObj->Mirror( ptOn, vtNorm) ;
}