#include "ICOMETLog.hxx"
#include "IMidasBankProxy.hxx"
#include "IMidasBankProxyRegistry.hxx"

ClassImp(COMET::IMidasBankProxyRegistry);

COMET::IMidasBankProxyRegistry* COMET::IMidasBankProxyRegistry::fInstance = 0;

//_____________________________________________________________________________
    
COMET::IMidasBankProxyRegistry::IMidasBankProxyRegistry() {

   // Default constructor

    COMETTrace("IMidasBankProxyRegistry: Default ctor at:" << (void*) this);
    
}


//_____________________________________________________________________________

COMET::IMidasBankProxyRegistry::~IMidasBankProxyRegistry() {

    COMETTrace("COMET::IMidasBankProxyRegistry: dtor at:" << (void*) this);

   // dtor is NOT responsible for destroying elements of the list;
   // they are created statically and are thus automagically
   // destroyed when the process ends

}

//_____________________________________________________________________________

void COMET::IMidasBankProxyRegistry::Print() {

    COMETLog("Contents of Singleton IMidasBankProxyRegistry:-");
    std::list<IMidasBankProxy*>::iterator itr(fMidasBankProxyTable.begin()),
                                       itrEnd(fMidasBankProxyTable.end());
    while ( itr != itrEnd ) {
  IMidasBankProxy& proxy = **itr;
  COMETLog("  " << proxy.GetMidasBankMasks() << "  ->  " << proxy.GetName());
  ++itr;
    }
}

//_____________________________________________________________________________

void COMET::IMidasBankProxyRegistry::Register(IMidasBankProxy *proxy)
{
    const std::string mask = proxy->GetMidasBankMasks(0);
    // Check that the proxy has not already been registered
    if (this->LookUp(mask)) {
        COMETWarn("IMidasBankProxyRegistry:The bank mask '" << mask << "' is already registered!\n"
            << "Duplicate masks are not allowed!\n");
        return;
    }
    else {
      // Do insertions in alphabetical order
      std::list<IMidasBankProxy*>::iterator itr(fMidasBankProxyTable.begin()),
                                         itrEnd(fMidasBankProxyTable.end());
      for (; itr != itrEnd; ++itr) if ( mask < (*itr)->GetMidasBankMasks() ) break;
      fMidasBankProxyTable.insert(itr,proxy);
  
      COMETTrace("IMidasBankProxyRegistry: Registered mask " << mask 
     << " proxy @ " << proxy);
    }
  }

//_____________________________________________________________________________

COMET::IMidasBankProxy* COMET::IMidasBankProxyRegistry::LookUp(const std::string midasBankName) const
{
    // Look up matching proxy in the table.
    std::list<IMidasBankProxy*>::const_iterator itr(fMidasBankProxyTable.begin()),
                                                itrEnd(fMidasBankProxyTable.end());
    for (; itr != itrEnd; ++itr) if ((*itr)->MatchesMidasBankName(midasBankName)) return *itr;
    return 0;
}


//_____________________________________________________________________________

COMET::IMidasBankProxyRegistry& COMET::IMidasBankProxyRegistry::Instance() 
{
  if (fInstance==0) {
    fInstance = new IMidasBankProxyRegistry();
  }
  return *fInstance;
}