#include <ICDCChannelMap.hxx>

#include <COMETGeomId.hxx>
#include <COMETGeomIdDef.hxx>
#include <ICDCGeomId.hxx>
#include <ICOMETLog.hxx>

#include <iostream>

COMET::ICDCChannelMap* COMET::ICDCChannelMap::fCDCChannelMap = NULL;

COMET::ICDCChannelMap::ICDCChannelMap() {
  if(fCDCChannelMap){
    COMETError("CDC channel map instance already exists," <<
               " cannot change after intialisation");
    return;
  }
}

COMET::ICDCChannelMap::~ICDCChannelMap() {
  delete fCDCChannelMap;
}

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


//----------------------------------------------------------------------
bool COMET::ICDCChannelMap::GetGeometryId(COMET::IGeometryId& geomId,
                                          COMET::ICDCChannelId channelId) 
{
  if (!channelId.IsCDCChannel()) {
    COMETDebug(channelId << " (" << channelId.AsUInt() << ") doesn'nt belong to CDC.");
    return false;
  }
  UInt_t layer = 100000, wire = 100000;
  // TODO ICDCChannelId::GetGeometryInfo NOT IMPLIMENTED!!
  if (!channelId.GetGeometryInfo(layer, wire)) {
    return false;
  }
  int isLayer = 0, active = 1;
  geomId = COMET::GeomId::CDC::SenseWireId(isLayer, layer, wire, active);

  return true;
}

//----------------------------------------------------------------------
bool COMET::ICDCChannelMap::GetChannelId(COMET::ICDCChannelId& channelId,
                                         COMET::IGeometryId geomId)
{
  return true;
}

//----------------------------------------------------------------------
inline const COMET::IGeometryId COMET::ICDCChannelMap::BadGeomId() const
{
  //Construct by hand as we are deliberately creating an invalid id
  //0x80000000 guard bit (Invalid => high)
  //0x7E000000 sub-det specifier range (CDC => normally 0x3)
  //so 0x86000000 == invalid-geomID in CDC range

  //0x01FFFFFF sub detector use range (25 bits)
  //Set all these high: 0x1FFFFFF
  return IGeometryId(0x87FFFFFF); // == 0x86000000 | 0x01FFFFFF; 
}

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

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