/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/SimCalorimetry/EcalTrigPrimAlgos/interface/EcalTrigPrimFunctionalAlgo.h

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#ifndef EcalTrigPrimFunctionalAlgo_h
#define EcalTrigPrimFunctionalAlgo_h

#include <sys/time.h>
#include <iostream>
#include <vector>

#include "Geometry/CaloTopology/interface/EcalTrigTowerConstituentsMap.h"

#include "SimCalorimetry/EcalTrigPrimAlgos/interface/EcalFenixStrip.h"
#include "SimCalorimetry/EcalTrigPrimAlgos/interface/EcalFenixTcp.h"

#include "DataFormats/Common/interface/SortedCollection.h"
#include "DataFormats/EcalDigi/interface/EcalDigiCollections.h"

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include <map>
#include <utility>

class EcalTrigTowerDetId;
class ETPCoherenceTest;
class EcalTriggerPrimitiveSample;
class CaloSubdetectorGeometry;
class EBDataFrame;
class EEDataFrame;
class EcalElectronicsMapping;

 
class EcalTrigPrimFunctionalAlgo
{  
 public:
  
  explicit EcalTrigPrimFunctionalAlgo(const edm::EventSetup & setup, int binofmax, bool tcpFormat, bool barrelOnly, bool debug, bool famos);

  virtual ~EcalTrigPrimFunctionalAlgo();

  void run(const edm::EventSetup &, const EBDigiCollection *col, EcalTrigPrimDigiCollection & result, EcalTrigPrimDigiCollection & resultTcp);
  void run(const edm::EventSetup&,  const EEDigiCollection *col, EcalTrigPrimDigiCollection & result, EcalTrigPrimDigiCollection & resultTcp);
  void run_part1_EB(EBDigiCollection const * col);
  void run_part1_EE(EEDigiCollection const * col);
  template <class Coll> 
    void run_part2(const edm::EventSetup &, Coll const * col, 
                   std::vector<std::vector<std::pair<int,std::vector<typename Coll::Digi> > > > &towerMap,
                   EcalTrigPrimDigiCollection & result,
                   EcalTrigPrimDigiCollection & resultTcp);

  void setPointers(const EcalTPGLinearizationConst *ecaltpLin,const EcalTPGPedestals *ecaltpPed,const EcalTPGSlidingWindow * ecaltpgSlidW,const EcalTPGWeightIdMap * ecaltpgWeightMap,const EcalTPGWeightGroup * ecaltpgWeightGroup,const EcalTPGFineGrainStripEE * ecaltpgFgStripEE, const EcalTPGCrystalStatus * ecaltpgBadX, const EcalTPGStripStatus * ecaltpgStripStatus)  {
    estrip_->setPointers(ecaltpPed,ecaltpLin,ecaltpgWeightMap,ecaltpgWeightGroup,ecaltpgSlidW,ecaltpgFgStripEE,ecaltpgBadX,ecaltpgStripStatus);

  }
  void setPointers2(  const EcalTPGFineGrainEBGroup * ecaltpgFgEBGroup,
                      const EcalTPGLutGroup * ecaltpgLutGroup,
                      const EcalTPGLutIdMap * ecaltpgLut,
                      const EcalTPGFineGrainEBIdMap * ecaltpgFineGrainEB,
                      const EcalTPGFineGrainTowerEE * ecaltpgFineGrainTowerEE,
                      const EcalTPGTowerStatus * ecaltpgBadTT,
                      const EcalTPGSpike * ecaltpgSpike){
   
  etcp_->setPointers(ecaltpgFgEBGroup,ecaltpgLutGroup,ecaltpgLut,ecaltpgFineGrainEB,ecaltpgFineGrainTowerEE,ecaltpgBadTT,ecaltpgSpike);
  }

 private:

  void init(const edm::EventSetup&);
  template <class T>  
    void initStructures(std::vector<std::vector<std::pair<int,std::vector<T> > > > & towMap);
  template <class T> 
    void clean(std::vector<std::vector<std::pair<int,std::vector<T> > > > &towerMap);
  template <class Coll> 
    void fillMap(Coll const * col, std::vector<std::vector<std::pair<int,std::vector<typename Coll::Digi> > > > &towerMap);
  int findStripNr(const EBDetId &id);
  int findStripNr(const EEDetId &id);

  // FIXME: temporary until hashedIndex works alsom for endcap
  int getIndex(const  EBDigiCollection *, EcalTrigTowerDetId& id) {return id.hashedIndex();}
  // mind that eta is continuous between barrel+endcap
  int getIndex(const  EEDigiCollection *, EcalTrigTowerDetId& id) {
    int ind=(id.ietaAbs()-18)*72 + id.iphi();
    if (id.zside()<0) ind+=792;
    return ind;
  }

  EcalFenixStrip * estrip_;
  EcalFenixTcp * etcp_;

  edm::ESHandle<EcalTrigTowerConstituentsMap> eTTmap_;
  const CaloSubdetectorGeometry *theEndcapGeometry;
  const EcalElectronicsMapping* theMapping_;

  float threshold;

  int binOfMaximum_;
  int maxNrSamples_;

  bool tcpFormat_;
  bool barrelOnly_;
  bool debug_;  
  bool famos_;  

  static const unsigned int nrSamples_; //nr samples to write, should not be changed since by convention the size means that it is coming from simulation
  static const unsigned int maxNrSamplesOut_; //to be placed in the intermediate samples
  static const unsigned int maxNrTowers_; //would be better to get from somewhere..
  static const unsigned int maxNrTPs_; //would be better to get from somewhere..

  int nrTowers_;   // nr of towers found by fillmap method

  // data structures kept during the whole run
  std::vector<std::vector<int> > striptp_;
  std::vector<std::vector<std::pair<int,std::vector<EBDataFrame> > > > towerMapEB_;
  std::vector<std::vector<std::pair<int,std::vector<EEDataFrame> > > > towerMapEE_;
  std::vector<std::pair<int,EcalTrigTowerDetId> > hitTowers_;
  std::vector<EcalTriggerPrimitiveSample> towtp_;
  std::vector<EcalTriggerPrimitiveSample> towtp2_;

  enum {nbMaxStrips_=5};
  enum {nbMaxXtals_=5};
};

//=================================== implementations =============================================

template <class Coll> 
void EcalTrigPrimFunctionalAlgo::run_part2(const edm::EventSetup &setup,Coll const * col, std::vector<std::vector<std::pair<int,std::vector<typename Coll::Digi> > > > &towerMap,
                                           EcalTrigPrimDigiCollection & result,
                                           EcalTrigPrimDigiCollection & resultTcp)
{
  typedef typename Coll::Digi Digi;
 
  // prepare writing of TP-s

  int firstSample = binOfMaximum_-1 -nrSamples_/2;
  int lastSample = binOfMaximum_-1 +nrSamples_/2;
  int nrTP=0;
  std::vector<typename Coll::Digi> dummy;
  EcalTriggerPrimitiveDigi tptow[2];
  EcalTriggerPrimitiveDigi tptowTcp[2];
  
  estrip_->getFGVB()->setbadStripMissing(false);

  for(int itow=0;itow<nrTowers_;++itow) 
    {

      int index=hitTowers_[itow].first;
      const EcalTrigTowerDetId &thisTower=hitTowers_[itow].second;

      // loop over all strips assigned to this trigger tower
      int nstr=0;
      for(unsigned int i = 0; i < towerMap[itow].size();++i)
        {
          std::vector<Digi> &df = (towerMap[index])[i].second;//vector of dataframes for this strip, size; nr of crystals/strip

          if ((towerMap[index])[i].first > 0) {  
            estrip_->process(setup,df,(towerMap[index])[i].first,striptp_[nstr++]);
          }
        }//loop over strips in one tower

      bool isInInnerRings=false;
      if (thisTower.subDet()==EcalEndcap && (thisTower.ietaAbs()==27 || thisTower.ietaAbs()==28 )) isInInnerRings=true;
      etcp_->process(setup,dummy,striptp_,nstr,towtp_,towtp2_,isInInnerRings,thisTower);

      // prepare TP-s
      // special treatment for 2 inner endcap rings
      int nrTowers;
      if (isInInnerRings)
        {
          nrTowers=2;
          int phi=2*((thisTower.iphi()-1)/2);
          tptow[0]=EcalTriggerPrimitiveDigi(EcalTrigTowerDetId(thisTower.zside(),thisTower.subDet(),thisTower.ietaAbs(),phi+1));
          tptow[1]=EcalTriggerPrimitiveDigi(EcalTrigTowerDetId(thisTower.zside(),thisTower.subDet(),thisTower.ietaAbs(),phi+2));

          if (tcpFormat_){
            tptowTcp[0]=EcalTriggerPrimitiveDigi(EcalTrigTowerDetId(thisTower.zside(),thisTower.subDet(),thisTower.ietaAbs(),phi+1));
            tptowTcp[1]=EcalTriggerPrimitiveDigi(EcalTrigTowerDetId(thisTower.zside(),thisTower.subDet(),thisTower.ietaAbs(),phi+2));
          }
        }else {
          nrTowers=1;
          tptow[0]=EcalTriggerPrimitiveDigi(thisTower);
          if (tcpFormat_)   tptowTcp[0]=EcalTriggerPrimitiveDigi(thisTower);
        }

      // now fill in
      for (int nrt=0;nrt<nrTowers;nrt++) {
        (tptow[nrt]).setSize(nrSamples_);
        if (towtp_.size()<nrSamples_)  {  //FIXME: only once
          edm::LogWarning("") <<"Too few samples produced, nr is "<<towtp_.size();
          break;
        }
        int isam=0;
        for (int i=firstSample;i<=lastSample;++i) {
          tptow[nrt].setSample(isam++,EcalTriggerPrimitiveSample(towtp_[i]));
        }
        nrTP++; 
        LogDebug("EcalTPG") <<" For tower "<<itow<<" created TP nr "<<nrTP<<" with Et "<<tptow[nrt].compressedEt();
        result.push_back(tptow[nrt]);
      }

      if (tcpFormat_) {

        for (int nrt=0;nrt<nrTowers;nrt++) {
          tptowTcp[nrt].setSize(nrSamples_);
          if (towtp2_.size()<nrSamples_)  {  //FIXME: only once
            edm::LogWarning("") <<"Too few samples produced, nr is "<<towtp2_.size();
            break;
          }
          int isam=0;
          for (int i=firstSample;i<=lastSample;++i) {
            if (nrTowers<=1)  tptowTcp[nrt].setSample(isam++,EcalTriggerPrimitiveSample(towtp2_[i]));
            else {
              int et=towtp2_[i].compressedEt()/2;
              tptowTcp[nrt].setSample(isam++,EcalTriggerPrimitiveSample(et,towtp2_[i].fineGrain(),towtp2_[i].ttFlag()));
            }
          }
          resultTcp.push_back(tptowTcp[nrt]);
        }
      }
    } 
  return;
}

template <class Coll> 
void EcalTrigPrimFunctionalAlgo::fillMap(Coll const * col, 
                                         std::vector<std::vector<std::pair<int,std::vector<typename Coll::Digi> > > > &towerMap)
{
  typedef typename Coll::Digi Digi;

  // implementation for Barrel and Endcap

  if (col) {
    nrTowers_=0;
    LogDebug("EcalTPG") <<"Fill mapping, Collection size = "<<col->size();
    for(unsigned int i = 0; i < col->size() ; ++i) {
      Digi samples((*col)[i]); 
      EcalTrigTowerDetId coarser=(*eTTmap_).towerOf(samples.id());
      int index=getIndex(col,coarser);
      int stripnr=findStripNr(samples.id());

      int filled=0;
      for (unsigned int ij=0;ij<towerMap[index].size();++ij) filled+=towerMap[index][ij].first;
      if (!filled) {
        hitTowers_[nrTowers_++]=std::pair <int,EcalTrigTowerDetId>(index,coarser);
      }

      //FIXME: temporary protection
      int ncryst=towerMap[index][stripnr-1].first;
      if (ncryst>=nbMaxXtals_ ) {
        edm::LogError("EcalTrigPrimFunctionAlgo")<<"! Too many xtals for TT "<<coarser<<" stripnr "<<stripnr<<" xtalid "<<samples.id() ;
        continue;
      }
      ((towerMap[index])[stripnr-1].second)[ncryst]=samples;
      (towerMap[index])[stripnr-1].first++;
    }
  
    LogDebug("EcalTPG")<<"fillMap"<<"[EcalTrigPrimFunctionalAlgo] (found " 
                       << col->size() << " frames in "<< towerMap.size() << " towers) ";
  }
  else {
    LogDebug("EcalTPG")<<"FillMap - FillMap Collection size=0 !!!!";
  }
}

template <class T> 
void EcalTrigPrimFunctionalAlgo::clean( std::vector<std::vector<std::pair<int,std::vector<T> > > > & towMap) {  
  // clean internal data structures
  for (unsigned int i=0;i<maxNrTowers_;++i) 
    for (int j=0;j<nbMaxStrips_ ;++j) (towMap[i])[j].first=0;
  return;
}
 
template <class T> 
void EcalTrigPrimFunctionalAlgo::initStructures( std::vector<std::vector<std::pair<int,std::vector<T> > > > & towMap) {  
  //initialise internal data structures

  std::vector <T> vec0(nbMaxXtals_ );
  std::vector<std::pair<int,std::vector<T> > > vec1(nbMaxStrips_);
  for (int i=0;i<nbMaxStrips_ ;++i) vec1[i]=std::pair<int,std::vector<T> >(0,vec0);
  towMap.resize(maxNrTowers_); 
  for (unsigned int i=0;i<maxNrTowers_;++i) towMap[i]=vec1;
  
  std::vector<int> vecint(maxNrSamples_);
  striptp_.resize(nbMaxStrips_);
  for (int i=0;i<nbMaxStrips_;++i) striptp_[i]=vecint;
  
}

#endif