// -*- C++ -*-
//
// Package:     SiPixelPhase1TrackEfficiency
// Class:       SiPixelPhase1TrackEfficiency
//

// Original Author: Marcel Schneider

#include "DQM/SiPixelPhase1Common/interface/SiPixelPhase1Base.h"
#include "DataFormats/SiPixelCluster/interface/SiPixelCluster.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
#include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
#include "Geometry/CommonDetUnit/interface/PixelGeomDetUnit.h"
#include "Geometry/CommonTopologies/interface/PixelTopology.h"
#include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
#include "DataFormats/SiStripDetId/interface/StripSubdetector.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHit.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "TrackingTools/PatternTools/interface/TrajTrackAssociation.h"
#include "TrackingTools/TrajectoryState/interface/FreeTrajectoryState.h"
#include "RecoTracker/MeasurementDet/interface/MeasurementTrackerEvent.h"
#include "TrackingTools/KalmanUpdators/interface/Chi2MeasurementEstimatorBase.h"
#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"

#include "TrackingTools/KalmanUpdators/interface/Chi2MeasurementEstimator.h"
#include "TrackingTools/GeomPropagators/interface/Propagator.h"
#include "DataFormats/TrackerCommon/interface/TrackerTopology.h"
#include "RecoTracker/MeasurementDet/interface/MeasurementTracker.h"
#include "RecoTracker/Record/interface/CkfComponentsRecord.h"
#include "TrackingTools/MeasurementDet/interface/LayerMeasurements.h"
#include "RecoLocalTracker/ClusterParameterEstimator/interface/PixelClusterParameterEstimator.h"

///commnet

namespace {

  class SiPixelPhase1TrackEfficiency final : public SiPixelPhase1Base {
    enum { VALID, MISSING, INACTIVE, EFFICIENCY, VERTICES };

  public:
    explicit SiPixelPhase1TrackEfficiency(const edm::ParameterSet& conf);
    void analyze(const edm::Event&, const edm::EventSetup&) override;

  private:
    edm::EDGetTokenT<edmNew::DetSetVector<SiPixelCluster>> clustersToken_;
    edm::EDGetTokenT<reco::TrackCollection> tracksToken_;
    edm::EDGetTokenT<reco::VertexCollection> vtxToken_;
    edm::EDGetTokenT<TrajTrackAssociationCollection> trajTrackCollectionToken_;
    edm::EDGetTokenT<MeasurementTrackerEvent> tracker_;  //new
    bool applyVertexCut_;

    edm::ESGetToken<TrackerTopology, TrackerTopologyRcd> trackerTopoToken_;
    edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> trackerGeomToken_;
    edm::ESGetToken<Propagator, TrackingComponentsRecord> propagatorToken_;
    edm::ESGetToken<Chi2MeasurementEstimatorBase, TrackingComponentsRecord> chi2MeasurementEstimatorBaseToken_;
    edm::ESGetToken<MeasurementTracker, CkfComponentsRecord> measurementTrackerToken_;
    edm::ESGetToken<PixelClusterParameterEstimator, TkPixelCPERecord> pixelClusterParameterEstimatorToken_;

    const TrackerTopology* trackerTopology_;
    const Propagator* trackerPropagator_;
    const MeasurementEstimator* chi2MeasurementEstimator_;
  };

  SiPixelPhase1TrackEfficiency::SiPixelPhase1TrackEfficiency(const edm::ParameterSet& iConfig)
      : SiPixelPhase1Base(iConfig)  //,
  {
    tracker_ = consumes<MeasurementTrackerEvent>(iConfig.getParameter<edm::InputTag>("tracker"));
    tracksToken_ = consumes<reco::TrackCollection>(iConfig.getParameter<edm::InputTag>("tracks"));
    vtxToken_ = consumes<reco::VertexCollection>(iConfig.getParameter<edm::InputTag>("primaryvertices"));
    applyVertexCut_ = iConfig.getUntrackedParameter<bool>("VertexCut", true);
    trajTrackCollectionToken_ =
        consumes<TrajTrackAssociationCollection>(iConfig.getParameter<edm::InputTag>("trajectoryInput"));
    clustersToken_ = consumes<edmNew::DetSetVector<SiPixelCluster>>(iConfig.getParameter<edm::InputTag>("clusters"));

    trackerTopoToken_ = esConsumes<TrackerTopology, TrackerTopologyRcd>();
    trackerGeomToken_ = esConsumes<TrackerGeometry, TrackerDigiGeometryRecord>();
    propagatorToken_ = esConsumes<Propagator, TrackingComponentsRecord>(edm::ESInputTag("", "PropagatorWithMaterial"));
    chi2MeasurementEstimatorBaseToken_ =
        esConsumes<Chi2MeasurementEstimatorBase, TrackingComponentsRecord>(edm::ESInputTag("", "Chi2"));
    measurementTrackerToken_ = esConsumes<MeasurementTracker, CkfComponentsRecord>();
    pixelClusterParameterEstimatorToken_ =
        esConsumes<PixelClusterParameterEstimator, TkPixelCPERecord>(edm::ESInputTag("", "PixelCPEGeneric"));
  }

  void SiPixelPhase1TrackEfficiency::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
    if (!checktrigger(iEvent, iSetup, DCS))
      return;

    // get geometry
    edm::ESHandle<TrackerGeometry> tracker = iSetup.getHandle(trackerGeomToken_);
    assert(tracker.isValid());

    // get primary vertex
    edm::Handle<reco::VertexCollection> vertices;
    iEvent.getByToken(vtxToken_, vertices);

    // TrackerTopology for module informations
    edm::ESHandle<TrackerTopology> trackerTopologyHandle = iSetup.getHandle(trackerTopoToken_);
    trackerTopology_ = trackerTopologyHandle.product();

    // Tracker propagator for propagating tracks to other layers
    edm::ESHandle<Propagator> propagatorHandle = iSetup.getHandle(propagatorToken_);
    std::unique_ptr<Propagator> propagatorUniquePtr(propagatorHandle.product()->clone());
    trackerPropagator_ = propagatorUniquePtr.get();
    const_cast<Propagator*>(trackerPropagator_)->setPropagationDirection(oppositeToMomentum);

    // Measurement estimator
    edm::ESHandle<Chi2MeasurementEstimatorBase> chi2MeasurementEstimatorHandle =
        iSetup.getHandle(chi2MeasurementEstimatorBaseToken_);
    chi2MeasurementEstimator_ = chi2MeasurementEstimatorHandle.product();

    //Tracker
    edm::Handle<MeasurementTrackerEvent> trackerMeas;
    iEvent.getByToken(tracker_, trackerMeas);

    edm::ESHandle<MeasurementTracker> measurementTrackerHandle = iSetup.getHandle(measurementTrackerToken_);

    //vertices
    if (!vertices.isValid())
      return;
    histo[VERTICES].fill(vertices->size(), DetId(0), &iEvent);
    if (applyVertexCut_ && vertices->empty())
      return;

    // should be used for weird cuts
    //const auto primaryVertex = vertices->at(0);

    // get the map
    edm::Handle<reco::TrackCollection> tracks;
    iEvent.getByToken(tracksToken_, tracks);
    if (!tracks.isValid())
      return;

    //new
    edm::Handle<TrajTrackAssociationCollection> trajTrackCollectionHandle;
    iEvent.getByToken(trajTrackCollectionToken_, trajTrackCollectionHandle);
    if (!trajTrackCollectionHandle.isValid())
      return;

    //Access Pixel Clusters
    edm::Handle<edmNew::DetSetVector<SiPixelCluster>> siPixelClusters;
    iEvent.getByToken(clustersToken_, siPixelClusters);
    if (!siPixelClusters.isValid())
      return;
    //

    edm::ESHandle<PixelClusterParameterEstimator> cpEstimator = iSetup.getHandle(pixelClusterParameterEstimatorToken_);
    if (!cpEstimator.isValid())
      return;

    const PixelClusterParameterEstimator& cpe(*cpEstimator);
    const TrackerGeometry* tkgeom = &(*tracker);

    //////////////////////////////////////////////////////////////////////////////////////////

    // Hp cut
    static constexpr int TRACK_QUALITY_HIGH_PURITY_BIT = 2;
    static constexpr int TRACK_QUALITY_HIGH_PURITY_MASK = 1 << TRACK_QUALITY_HIGH_PURITY_BIT;

    // Pt cut
    static constexpr float TRACK_PT_CUT_VAL = 1.0f;

    // Nstrip cut
    static constexpr int TRACK_NSTRIP_CUT_VAL = 10;

    //D0
    static constexpr std::array<float, 4> TRACK_D0_CUT_BARREL_VAL = {{0.01f, 0.02f, 0.02f, 0.02f}};
    static constexpr float TRACK_D0_CUT_FORWARD_VAL = 0.05f;

    //Dz
    static constexpr float TRACK_DZ_CUT_BARREL_VAL = 0.01f;
    static constexpr float TRACK_DZ_CUT_FORWARD_VAL = 0.5f;

    TrajectoryStateOnSurface tsosPXB2;
    bool valid_layerFrom = false;

    const GeometricSearchTracker* gst_ = trackerMeas->geometricSearchTracker();
    const auto* pxbLayer1_ = gst_->pixelBarrelLayers().front();
    const LayerMeasurements* theLayerMeasurements_ = new LayerMeasurements(*measurementTrackerHandle, *trackerMeas);

    std::vector<TrajectoryMeasurement> expTrajMeasurements;
    std::vector<std::pair<int, bool[3]>> eff_pxb1_vector;

    for (const auto& pair : *trajTrackCollectionHandle) {
      const edm::Ref<std::vector<Trajectory>> traj = pair.key;
      const reco::TrackRef track = pair.val;

      expTrajMeasurements.clear();
      eff_pxb1_vector.clear();
      //this cut is needed to be consisten with residuals calculation
      if (applyVertexCut_ &&
          (track->pt() < 0.75 || std::abs(track->dxy(vertices->at(0).position())) > 5 * track->dxyError()))
        continue;

      bool isBpixtrack = false;
      bool isFpixtrack = false;
      int nStripHits = 0;
      int nBpixL1Hits = 0;
      int nBpixL2Hits = 0;
      int nBpixL3Hits = 0;
      int nBpixL4Hits = 0;
      int nFpixD1Hits = 0;
      int nFpixD2Hits = 0;
      int nFpixD3Hits = 0;
      bool passcuts = true;

      // first, look at the full track to see whether it is good
      // auto const & trajParams = track.extra()->trajParams();

      auto hb = track->recHitsBegin();
      for (unsigned int h = 0; h < track->recHitsSize(); h++) {
        auto hit = *(hb + h);
        if (!hit->isValid())
          continue;

        DetId id = hit->geographicalId();
        uint32_t subdetid = (id.subdetId());

        //Check the location of valid hit
        if (subdetid == PixelSubdetector::PixelBarrel && hit->isValid()) {
          isBpixtrack = true;
          if (trackerTopology_->pxbLayer(id) == 1)
            nBpixL1Hits++;
          else if (trackerTopology_->pxbLayer(id) == 2)
            nBpixL2Hits++;
          else if (trackerTopology_->pxbLayer(id) == 3)
            nBpixL3Hits++;
          else if (trackerTopology_->pxbLayer(id) == 4)
            nBpixL4Hits++;
        } else if (subdetid == PixelSubdetector::PixelEndcap && hit->isValid()) {
          isFpixtrack = true;
          if (trackerTopology_->pxfDisk(id) == 1)
            nFpixD1Hits++;
          else if (trackerTopology_->pxfDisk(id) == 2)
            nFpixD2Hits++;
          else if (trackerTopology_->pxfDisk(id) == 3)
            nFpixD3Hits++;
        }

        // count strip hits
        if (subdetid == StripSubdetector::TIB || subdetid == StripSubdetector::TOB ||
            subdetid == StripSubdetector::TID || subdetid == StripSubdetector::TEC)
          nStripHits++;
      }

      if (!isBpixtrack && !isFpixtrack)
        continue;

      // Hp cut
      if (!((track->qualityMask() & TRACK_QUALITY_HIGH_PURITY_MASK) >> TRACK_QUALITY_HIGH_PURITY_BIT))
        passcuts = false;

      // Pt cut
      if (!(TRACK_PT_CUT_VAL < track->pt()))
        passcuts = false;

      // Nstrip cut
      if (!(TRACK_NSTRIP_CUT_VAL < nStripHits))
        passcuts = false;

      // then, look at each hit
      for (unsigned int h = 0; h < track->recHitsSize(); h++) {
        bool passcuts_hit = true;
        auto hit = *(hb + h);

        DetId id = hit->geographicalId();
        uint32_t subdetid = (id.subdetId());
        if (subdetid != PixelSubdetector::PixelBarrel && subdetid != PixelSubdetector::PixelEndcap)
          continue;

        bool isHitValid = hit->getType() == TrackingRecHit::valid;
        bool isHitMissing = hit->getType() == TrackingRecHit::missing;
        bool isHitInactive = hit->getType() == TrackingRecHit::inactive;

        //D0
        if (subdetid == PixelSubdetector::PixelBarrel) {
          if (!((std::abs(track->dxy(vertices->at(0).position())) * -1.0) <
                TRACK_D0_CUT_BARREL_VAL[trackerTopology_->pxbLayer(id) - 1]))
            passcuts_hit = false;
        } else if (subdetid == PixelSubdetector::PixelEndcap) {
          if (!((std::abs(track->dxy(vertices->at(0).position())) * -1.0) < TRACK_D0_CUT_FORWARD_VAL))
            passcuts_hit = false;
        }

        //Dz
        if (subdetid == PixelSubdetector::PixelBarrel) {
          if (!(std::abs(track->dz(vertices->at(0).position())) < TRACK_DZ_CUT_BARREL_VAL))
            passcuts_hit = false;
        } else if (subdetid == PixelSubdetector::PixelEndcap) {
          if (!(std::abs(track->dz(vertices->at(0).position())) < TRACK_DZ_CUT_FORWARD_VAL))
            passcuts_hit = false;
        }

        // Pixhit cut
        if (subdetid == PixelSubdetector::PixelBarrel) {
          if (trackerTopology_->pxbLayer(id) == 1) {
            if (!((nBpixL2Hits > 0 && nBpixL3Hits > 0 && nBpixL4Hits > 0) ||
                  (nBpixL2Hits > 0 && nBpixL3Hits > 0 && nFpixD1Hits > 0) ||
                  (nBpixL2Hits > 0 && nFpixD1Hits > 0 && nFpixD2Hits > 0) ||
                  (nFpixD1Hits > 0 && nFpixD2Hits > 0 && nFpixD3Hits > 0)))
              passcuts_hit = false;
          } else if (trackerTopology_->pxbLayer(id) == 2) {
            if (!((nBpixL1Hits > 0 && nBpixL3Hits > 0 && nBpixL4Hits > 0) ||
                  (nBpixL1Hits > 0 && nBpixL3Hits > 0 && nFpixD1Hits > 0) ||
                  (nBpixL1Hits > 0 && nFpixD1Hits > 0 && nFpixD2Hits > 0)))
              passcuts_hit = false;
          } else if (trackerTopology_->pxbLayer(id) == 3) {
            if (!((nBpixL1Hits > 0 && nBpixL2Hits > 0 && nBpixL4Hits > 0) ||
                  (nBpixL1Hits > 0 && nBpixL2Hits > 0 && nFpixD1Hits > 0)))
              passcuts_hit = false;
          } else if (trackerTopology_->pxbLayer(id) == 4)
            if (!((nBpixL1Hits > 0 && nBpixL2Hits > 0 && nBpixL3Hits > 0)))
              passcuts_hit = false;
        } else if (subdetid == PixelSubdetector::PixelEndcap) {
          if (trackerTopology_->pxfDisk(id) == 1) {
            if (!((nBpixL1Hits > 0 && nBpixL2Hits > 0 && nBpixL3Hits > 0) ||
                  (nBpixL1Hits > 0 && nBpixL2Hits > 0 && nFpixD2Hits > 0) ||
                  (nBpixL1Hits > 0 && nFpixD2Hits > 0 && nFpixD3Hits > 0)))
              passcuts_hit = false;
          } else if (trackerTopology_->pxfDisk(id) == 2) {
            if (!((nBpixL1Hits > 0 && nBpixL2Hits > 0 && nFpixD1Hits > 0) ||
                  (nBpixL1Hits > 0 && nFpixD1Hits > 0 && nFpixD3Hits > 0)))
              passcuts_hit = false;
          } else if (trackerTopology_->pxfDisk(id) == 3) {
            if (!((nBpixL1Hits > 0 && nFpixD1Hits > 0 && nFpixD2Hits > 0)))
              passcuts_hit = false;
          }
        }
        /* 
      //Fiducial Cut - will work on it later
      const SiPixelRecHit* pixhit = dynamic_cast<const SiPixelRecHit*>(hit);
      const PixelGeomDetUnit* geomdetunit = dynamic_cast<const PixelGeomDetUnit*> ( tracker->idToDet(id) );
      const PixelTopology& topol = geomdetunit->specificTopology();
      
      LocalPoint lp;
      if (pixhit) {
	lp = pixhit->localPosition();
      }
      
      MeasurementPoint mp = topol.measurementPosition(lp);
      int row = (int) mp.x() % 80;
      int col = (int) mp.y() % 52;
      
      int centerrow = 40;
      int centercol = 26;
      
      if (!((col < (centercol + 10)) && (col > (centercol - 10)) && (row < (centerrow + 10)) && (row > (centerrow -10 )))) passcuts_hit = false;
      */

        if (passcuts_hit && passcuts) {
          if (!(subdetid == PixelSubdetector::PixelBarrel && trackerTopology_->pxbLayer(id) == 1)) {
            if (isHitValid) {
              histo[VALID].fill(id, &iEvent);
              histo[EFFICIENCY].fill(1, id, &iEvent);
            }
            if (isHitMissing) {
              histo[MISSING].fill(id, &iEvent);
              histo[EFFICIENCY].fill(0, id, &iEvent);
            }
            if (isHitInactive) {
              histo[INACTIVE].fill(id, &iEvent);
            }
          }
        }
      }

      ///////////////////////////////////////////////layer 1 specific here/////////////////////////////////////////////////////////////////////
      valid_layerFrom = false;

      //propagation only from PXB2 and PXD1, more cuts later
      for (const auto& tm : traj->measurements()) {
        if (tm.recHit().get() && tm.recHitR().isValid()) {
          DetId where = tm.recHitR().geographicalId();
          int source_det = where.subdetId();

          if (source_det == PixelSubdetector::SubDetector::PixelBarrel) {
            int source_layer = trackerTopology_->pxbLayer(where);
            if (source_layer == 2) {
              if (tm.updatedState().isValid()) {
                tsosPXB2 = tm.updatedState();
                valid_layerFrom = true;
              }
            }
          }

          if (source_det == PixelSubdetector::SubDetector::PixelEndcap) {
            int source_layer = trackerTopology_->pxfDisk(where);
            if (source_layer == 1) {
              if (tm.updatedState().isValid()) {
                tsosPXB2 = tm.updatedState();
                valid_layerFrom = true;
              }
            }
          }
        }
      }  //uodated tsosPXB2 here

      if (!valid_layerFrom)
        continue;
      if (!tsosPXB2.isValid())
        continue;

      //propagation A: Calculate the efficiency by the distance to the closest cluster
      expTrajMeasurements =
          theLayerMeasurements_->measurements(*pxbLayer1_, tsosPXB2, *trackerPropagator_, *chi2MeasurementEstimator_);
      auto compDets = pxbLayer1_->compatibleDets(tsosPXB2, *trackerPropagator_, *chi2MeasurementEstimator_);
      std::pair<int, bool[3]> eff_map;

      //Fiducial Cut, only calculate the efficiency of the central pixels
      for (uint p = 0; p < expTrajMeasurements.size(); p++) {
        bool valid = false;
        bool missing = false;
        bool passcuts_hit = true;
        TrajectoryMeasurement pxb1TM(expTrajMeasurements[p]);
        const auto& pxb1Hit = pxb1TM.recHit();
        bool inactive = (pxb1Hit->getType() == TrackingRecHit::inactive);
        int detidHit = pxb1Hit->geographicalId();
        if (detidHit == 0)
          continue;

        const SiPixelRecHit* pixhit = dynamic_cast<const SiPixelRecHit*>(pxb1Hit->hit());
        const PixelGeomDetUnit* geomdetunit = dynamic_cast<const PixelGeomDetUnit*>(tracker->idToDet(detidHit));
        const PixelTopology& topol = geomdetunit->specificTopology();

        if (!pixhit)
          continue;

        LocalPoint lp = pixhit->localPosition();
        MeasurementPoint mp = topol.measurementPosition(lp);
        const int nRows = topol.rowsperroc();
        const int nColumns = topol.colsperroc();
        int row = (int)mp.x() % nRows;
        int col = (int)mp.y() % nColumns;

        int centerrow = nRows / 2;
        int centercol = nColumns / 2;

        if (!((col < (centercol + 10)) && (col > (centercol - 10)) && (row < (centerrow + 10)) &&
              (row > (centerrow - 10))))
          passcuts_hit = false;

        //Access the distance to the closest cluster
        for (const auto& detAndState : compDets) {
          const auto& pXb1_lpos = detAndState.second.localPosition();
          if (pxb1Hit->geographicalId().rawId() != detAndState.first->geographicalId().rawId())
            continue;
          int detid = detAndState.first->geographicalId().rawId();

          for (edmNew::DetSetVector<SiPixelCluster>::const_iterator iter_cl = siPixelClusters->begin();
               iter_cl != siPixelClusters->end();
               iter_cl++) {
            DetId detId(iter_cl->id());
            float minD[2], minDist = 10000;
            minD[0] = minD[1] = 10000.;
            if (detId.rawId() != detAndState.first->geographicalId().rawId())
              continue;

            const PixelGeomDetUnit* pixdet = (const PixelGeomDetUnit*)tkgeom->idToDetUnit(detId);
            edmNew::DetSet<SiPixelCluster>::const_iterator itCluster = iter_cl->begin();
            if (passcuts_hit) {
              for (; itCluster != iter_cl->end(); ++itCluster) {
                LocalPoint lp(itCluster->x(), itCluster->y(), 0.);
                PixelClusterParameterEstimator::ReturnType params = cpe.getParameters(*itCluster, *pixdet);
                lp = std::get<0>(params);

                float Xdist = abs(lp.x() - pXb1_lpos.x());
                float Ydist = abs(lp.y() - pXb1_lpos.y());
                float dist = sqrt(Xdist * Xdist + Ydist * Ydist);
                if (dist < minDist) {
                  minDist = dist;
                  minD[0] = Xdist;
                  minD[1] = Ydist;
                }
              }

              if ((minD[0] < 0.02) && (minD[1] < 0.02)) {
                valid = true;
                missing = false;
                inactive = false;
              } else if (inactive) {
                valid = false;
                missing = false;
              } else {
                missing = true;
                valid = false;
              }
            }
          }

          //cuts: exactly the same as for other hits but assuming PXB1

          //D0
          if (!((std::abs(track->dxy(vertices->at(0).position())) * -1.0) <
                TRACK_D0_CUT_BARREL_VAL[trackerTopology_->pxbLayer(detid) - 1]))
            passcuts_hit = false;
          //Dz
          if (!(std::abs(track->dz(vertices->at(0).position())) < TRACK_DZ_CUT_BARREL_VAL))
            passcuts_hit = false;
          // Pixhit cut
          if (!((nBpixL2Hits > 0 && nBpixL3Hits > 0 && nBpixL4Hits > 0) ||
                (nBpixL2Hits > 0 && nBpixL3Hits > 0 && nFpixD1Hits > 0) ||
                (nBpixL2Hits > 0 && nFpixD1Hits > 0 && nFpixD2Hits > 0) ||
                (nFpixD1Hits > 0 && nFpixD2Hits > 0 && nFpixD3Hits > 0)))
            passcuts_hit = false;
          bool found_det = false;

          if (passcuts && passcuts_hit) {
            for (unsigned int i_eff = 0; i_eff < eff_pxb1_vector.size(); i_eff++) {
              //in case found hit in the same det, take only the valid hit
              if (eff_pxb1_vector[i_eff].first == detid) {
                found_det = true;
                if (eff_pxb1_vector[i_eff].second[0] == false && valid == true) {
                  eff_pxb1_vector[i_eff].second[0] = valid;
                  eff_pxb1_vector[i_eff].second[1] = missing;
                  eff_pxb1_vector[i_eff].second[2] = inactive;
                }
              }
            }
            if (!found_det) {
              eff_map.first = detid;
              eff_map.second[0] = valid;
              eff_map.second[1] = missing;
              eff_map.second[2] = inactive;
              eff_pxb1_vector.push_back(eff_map);
            }
          }
        }
      }

      if (eff_pxb1_vector.size() == 1) {
        //eff map is filled -> decide what to do for double hits, ie eff_pxb1_vector.size>1 ... if 1 just use MISSING and VALID as usual

        if (eff_pxb1_vector[0].second[0]) {
          histo[VALID].fill(eff_pxb1_vector[0].first, &iEvent);
          histo[EFFICIENCY].fill(1, eff_pxb1_vector[0].first, &iEvent);
        }
        if (eff_pxb1_vector[0].second[1]) {
          histo[MISSING].fill(eff_pxb1_vector[0].first, &iEvent);
          histo[EFFICIENCY].fill(0, eff_pxb1_vector[0].first, &iEvent);
        }

        if (eff_pxb1_vector[0].second[2]) {
          histo[INACTIVE].fill(eff_pxb1_vector[0].first, &iEvent);
        }
      }

    }  //trajTrackHandle

    histo[VALID].executePerEventHarvesting(&iEvent);
    histo[MISSING].executePerEventHarvesting(&iEvent);
    histo[INACTIVE].executePerEventHarvesting(&iEvent);
  }

}  // namespace

DEFINE_FWK_MODULE(SiPixelPhase1TrackEfficiency);