//----------------------------------------------------------------------------
//  EgalTech 2019-2019
//----------------------------------------------------------------------------
// File : DllNesting.cpp       Data : 28.11.19        Versione : 2.1k6
// Contenuto : Funzioni di gestione della libreria opzionale EgtNesting.
//
//
//
// Modifiche : 28.11.19 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "EXE.h"
#include "DllNesting.h"
#include "/EgtDev/Include/ENsDllMain.h"
#define NOMINMAX
#include <windows.h>

using namespace std ;

//-----------------------------------------------------------------------------
// Nome della libreria
#if defined( _WIN64) &&  defined( _DEBUG)
   static const wchar_t* ENS_NAME = L"EgtNestingD64.dll" ;
#elif defined( _WIN64)
   static const wchar_t* ENS_NAME = L"EgtNestingR64.dll" ;
#elif defined( _WIN32) &&  defined( _DEBUG)
   static const wchar_t* ENS_NAME = L"EgtNestingD32.dll" ;
#else
   static const wchar_t* ENS_NAME = L"EgtNestingR32.dll" ;
#endif
// Nome delle funzioni caricate
static const char* ENS_SETENSLOGGER = "SetENsLogger" ;
static const char* ENS_GETENSVERSION = "GetENsVersion" ;
static const char* ENS_SETENSKEY = "SetENsKey" ;
static const char* ENS_SETENSKEY2 = "SetENsKey2" ;
static const char* ENS_CREATEAUTONESTER = "CreateAutoNester" ;


//-----------------------------------------------------------------------------
HMODULE s_hENs = nullptr ;

//-----------------------------------------------------------------------------
bool
LoadNestingDll( ILogger* pLogger, const string& sKey, const string& sKey2, bool bNetHwKey)
{
  // non ammessa con chiave di rete
   if ( bNetHwKey) {
      std::string sErr = "Warning on Key (ENS/NET)" ;
      LOG_ERROR( pLogger, sErr.c_str()) ;
      FreeNestingDll() ;
      return false ;
   }
  // verifico la chiave
   if ( ! TestKeyForENs( sKey, 0, pLogger)) {
      FreeNestingDll() ;
      return false ;
   }
  // se già caricata
   if ( s_hENs != nullptr)
      return true ;
  // carico la libreria EgtNesting
   s_hENs = LoadLibrary( ENS_NAME) ;
   if ( s_hENs == nullptr)
      return false ;
  // imposto logger
   MySetENsLogger( pLogger) ;
  // imposto i codici della chiave
   MySetENsKey( sKey) ;
  // imposto i codici della seconda chiave
   MySetENsKey2( sKey2) ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
FreeNestingDll( void)
{
  // se non è già caricata
   if ( s_hENs == nullptr)
      return true ;
  // libero la libreria EgtNesting
   FreeLibrary( s_hENs) ;
   s_hENs = nullptr ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
IsLoadedNestingDll( void)
{
   return ( s_hENs != nullptr) ;
}

//-----------------------------------------------------------------------------
void
MySetENsLogger( ILogger* pLogger)
{
  // verifico caricamento libreria EgtNesting
   if ( s_hENs == nullptr)
      return ;
  // recupero funzione che imposta il logger
   typedef void (* PF_SetENsLogger) ( ILogger* pLogger) ;
   PF_SetENsLogger pFun = (PF_SetENsLogger)GetProcAddress( s_hENs, ENS_SETENSLOGGER) ;
   if ( pFun == nullptr)
      return ;
   pFun( pLogger) ;
}

//-----------------------------------------------------------------------------
const char*
MyGetENsVersion( void)
{
  // verifico caricamento libreria EgtNesting
   if ( s_hENs == nullptr)
      return "" ;
  // recupero funzione che restituisce la versione della libreria
   typedef const char* (* PF_GetEMkVersion) ( void) ;
   PF_GetEMkVersion pFun = (PF_GetEMkVersion)GetProcAddress( s_hENs, ENS_GETENSVERSION) ;
   if ( pFun == nullptr)
      return "" ;
   return pFun() ;
}

//-----------------------------------------------------------------------------
void
MySetENsKey( const string& sKey)
{
  // verifico caricamento libreria EgtNesting
   if ( s_hENs == nullptr)
      return ;
  // recupero funzione che imposta i codici di protezione
   typedef void (* PF_SetENsKey) ( const string& sKey) ;
   PF_SetENsKey pFun = (PF_SetENsKey)GetProcAddress( s_hENs, ENS_SETENSKEY) ;
   if ( pFun == nullptr)
      return ;
   pFun( sKey) ;
}

//-----------------------------------------------------------------------------
void
MySetENsKey2( const string& sKey2)
{
  // verifico caricamento libreria EgtNesting
   if ( s_hENs == nullptr)
      return ;
  // recupero funzione che imposta i codici di protezione
   typedef void (* PF_SetENsKey2) ( const string& sKey2) ;
   PF_SetENsKey2 pFun = (PF_SetENsKey2)GetProcAddress( s_hENs, ENS_SETENSKEY2) ;
   if ( pFun == nullptr)
      return ;
   pFun( sKey2) ;
}

//-----------------------------------------------------------------------------
IAutoNester*
MyCreateAutoNester( void)
{
  // verifico caricamento libreria EgtNesting
   if ( s_hENs == nullptr)
      return nullptr ;
  // recupero funzione creazione oggetto
   typedef IAutoNester* (* PF_CreateAutoNester) ( void) ;
   PF_CreateAutoNester pFun = (PF_CreateAutoNester)GetProcAddress( s_hENs, ENS_CREATEAUTONESTER) ;
   if ( pFun == nullptr)
      return nullptr ;
   return pFun() ;
}