#include "AliITSURecoDet.h"
#include "AliITSUGeomTGeo.h"
#include "AliITSsegmentation.h"
#include "AliITSUSegmentationPix.h"

ClassImp(AliITSURecoDet)

//______________________________________________________
AliITSURecoDet::AliITSURecoDet(AliITSUGeomTGeo* geom, const char* name)
:  fNLayers(0)
  ,fNLayersActive(0)
  ,fRMax(-1)
  ,fRMin(-1)
  ,fLayers(0)
  ,fLayersActive(0)
  ,fGeom(geom)
{
  // def. c-tor
  SetNameTitle(name,name);
  fLayers.SetOwner(kTRUE);        // layers belong to this array
  fLayersActive.SetOwner(kFALSE); // this one just points on active layers in fLayers
  Build();
}

//______________________________________________________
AliITSURecoDet::~AliITSURecoDet()
{
  // def. d-tor
  fLayersActive.Clear(); 
  fLayers.Clear();         // owned!
}

//______________________________________________________
void AliITSURecoDet::Print(Option_t* opt) const			      
{
  //print 
  printf("Detector %s, %d layers, %d active layers\n",GetName(),GetNLayers(),GetNLayersActive());
  TString opts = opt; opts.ToLower();
  if (opts.Contains("lr")) for (int i=0;i<GetNLayers();i++) GetLayer(i)->Print(opt);
}

//______________________________________________________
void AliITSURecoDet::AddLayer(const AliITSURecoLayer* lr)
{
  //add new layer
  fLayers.AddLast((TObject*)lr);
  fNLayers++;
  if (lr->IsActive()) {
    fLayersActive.AddLast((TObject*)lr);
    fNLayersActive++;
  }
}

//______________________________________________________
Bool_t AliITSURecoDet::Build()
{
  // build detector from TGeo
  //
  if (!fGeom) AliFatal("Geometry interface is not set");
  int nlr = fGeom->GetNLayers();
  if (!nlr) AliFatal("No geometry loaded");
  //
  // build active ITS layers
  for (int ilr=0;ilr<nlr;ilr++) {
    int lrTyp = fGeom->GetLayerDetTypeID(ilr);
    // name layer according its active id, detector type and segmentation tyoe
    AliITSURecoLayer* lra = new AliITSURecoLayer(Form("Lr%d%s%d",ilr,fGeom->GetDetTypeName(lrTyp),
						      lrTyp%AliITSUGeomTGeo::kMaxSegmPerDetType),
						 ilr,fGeom);
    AddLayer(lra);
  }
  return kTRUE;
}