#include "ITOFChannelMap.hxx"

#include "COMETGeomId.hxx"
#include "COMETGeomIdDef.hxx"
#include "ICOMETLog.hxx"
#include "ITOFGeomId.hxx"

#include <iostream>

COMET::ITOFChannelMap* COMET::ITOFChannelMap::fTOFChannelMap = NULL;

COMET::ITOFChannelMap::ITOFChannelMap() {
  if(fTOFChannelMap){
    COMETError("TOF channel map instance already exists," <<
               " cannot change after intialisation");
    return;
  }
}

COMET::ITOFChannelMap::~ITOFChannelMap() {
  delete fTOFChannelMap;
}

//----------------------------------------------------------------------
COMET::ITOFChannelMap& COMET::ITOFChannelMap::Get()
{
  if(!fTOFChannelMap) fTOFChannelMap = new ITOFChannelMap();
  return *fTOFChannelMap;
}


//----------------------------------------------------------------------
bool COMET::ITOFChannelMap::GetGeometryId(COMET::IGeometryId& geomId,
                                       COMET::ITOFChannelId channelId) 
{
  //empty placeholder to be filled
  //geomId = channelId;
  geomId = COMET::GeomId::TOF::Module(channelId.GetLayer(), channelId.GetModule());
  return true;
}

//----------------------------------------------------------------------
bool COMET::ITOFChannelMap::GetChannelId(COMET::ITOFChannelId& channelId,
                                      COMET::IGeometryId geomId)
{
  //empty placeholder to be filled
  //channelId = geomId;
  return true;
}

//----------------------------------------------------------------------
inline const COMET::IGeometryId COMET::ITOFChannelMap::BadGeomId() const
{
  //Construct by hand as we are deliberately creating an invalid id
  //0x80000000 guard bit (Invalid => high)
  //0x7E000000 sub-det specifier range (TOF => normally 0x3)
  //so 0x86000000 == invalid-geomID in TOF range
  
  //0x01FFFFFF sub detector use range (25 bits)
  //Set all these high: 0x1FFFFFF
  return IGeometryId(0x87FFFFFF); // == 0x86000000 | 0x01FFFFFF; 
}

//----------------------------------------------------------------------
inline const COMET::ITOFChannelId COMET::ITOFChannelMap::BadChanId() const
{
  //Construct by hand as we are deliberately creating an invalid id
  //0x80000000 guard bit (Invalid => low)
  //0x7E000000 sub-det specifier range (TOF => normally 0x3)
  //so 0x06000000 == invalid-chanID in TOF range

  //0x01FFFFFF sub detector use range (25 bits)
  //Set all these high: 0x1FFFFFF
  return ITOFChannelId(0x07FFFFFF); // == 0x06000000 | 0x01000000
}