#include "wxinc.h"
#include "gtDialog.h"
#include "gtSSA.h"

#include "../ssa/h/ssadll.h"
#include "../ssa/h/ssaerr.h"

#include <wx/filename.h>

class SSA_dongle : public wxObject
{
  int m_nSerial;
  wxString m_strUserID;
  wxString m_strProduct, m_strModule;

protected:
  const wxString& UserID();
  int Login(const char* product, const char* module);

public:
  int Login();
  int Logout();
  SSA_dongle() : m_nSerial(SSA_UTENTE_NON_LOGGATO) {}
} __SSA;

const wxString& SSA_dongle::UserID()
{
  if (m_strUserID.IsEmpty())
  {
    const wxString strUser = ::wxGetUserId();                     // User name
    const wxString strHost = ::wxGetHostName();                   // host name
    const unsigned long sess = ::WTSGetActiveConsoleSessionId();  // Session ID the modern way!
    m_strUserID.Printf("%s@%s:%lu", (const char*)strUser, (const char*)strHost, sess);
  }
  return m_strUserID;
}

int SSA_dongle::Login(const char* product, const char* module)
{
  if (!m_strProduct.IsEmpty())
    Logout();
  
  int err = SSA_Login(UserID(), product);
  if (err == 0)
  {
    m_strProduct = product;
    m_nSerial = SSA_NumeroSerie(product);

    wxString m = module; m.MakeLower();
    err = SSA_ApriModulo(UserID(), m);
    if (err != 0)
    {
      m.MakeUpper();
      err = SSA_ApriModulo(UserID(), m);
    }

#ifndef NDEBUG
    if (err != 0)
    {
      gtWarning("Versione DEMO");
      err = 0;
    }
#endif

    if (err == 0)
      m_strModule = m;
  }
  
  return err;
}

int SSA_dongle::Login()
{
  int err = Login("FATTPA", "fi");
  if (err != 0 && wxFileName::FileExists("campo.ini"))
  {
    err = Login("CAMPO", "fd");
    if (err != 0)
      err = Login("CAMPO", "pa");
  }
  return err;
}

int SSA_dongle::Logout()
{
  int err = 0;
  if (!m_strModule.IsEmpty())
  {
    err = SSA_ChiudiModulo(UserID(), m_strModule);
    if (err == 0)
      m_strModule.Empty();
  }
  if (!m_strProduct.IsEmpty())
  {
    err = SSA_Logout(UserID(), m_strProduct);
    if (err == 0)
    {
      m_nSerial = SSA_UTENTE_NON_LOGGATO;
      m_strProduct.Empty();
      m_strModule.Empty();
    }
  }
  return err;
}

int SSA_Login()  { return __SSA.Login();  }
int SSA_Logout() { return __SSA.Logout(); }