/**
 * \file CbmRichHitProducer.cxx
 *
 * \author B. Polichtchouk
 * \date 2004
 **/

#include "CbmRichHitProducer.h"

#include "CbmRichPoint.h"
#include "CbmRichHit.h"
#include "CbmRichDigi.h"
#include "TClonesArray.h"
#include "CbmRichGeoManager.h"
#include "CbmRichDigiMapManager.h"
#include "FairLogger.h"


#include <iostream>

using namespace std;



CbmRichHitProducer::CbmRichHitProducer():
FairTask("CbmRichHitProducer"),
fRichDigis(NULL),
fRichHits(NULL),
fEventNum(0),
fRotationNeeded(true)

{
    
}

CbmRichHitProducer::~CbmRichHitProducer()
{
    FairRootManager *manager =FairRootManager::Instance();
    manager->Write();
}

void CbmRichHitProducer::SetParContainers()
{
}

InitStatus CbmRichHitProducer::Init()
{
    FairRootManager* manager = FairRootManager::Instance();
    
    fRichDigis = (TClonesArray*)manager->GetObject("RichDigi");
    if (NULL == fRichDigis) { Fatal("CbmRichHitProducer::Init","No RichDigi array!"); }
    
    fRichHits = new TClonesArray("CbmRichHit");
    manager->Register("RichHit","RICH", fRichHits, IsOutputBranchPersistent("RichHit"));
    
    return kSUCCESS;
}

void CbmRichHitProducer::Exec(
                              Option_t* option)
{
    fEventNum++;
    LOG(INFO) << "CbmRichHitProducer event " << fEventNum << FairLogger::endl;
    
    fRichHits->Delete();
    
    for(Int_t j = 0; j < fRichDigis->GetEntries(); j++){
        CbmRichDigi* digi = (CbmRichDigi*) fRichDigis->At(j);
        if (digi == NULL) continue;
        if (digi->GetAddress() < 0) continue;
        CbmRichMapData* data =  CbmRichDigiMapManager::GetInstance().GetDataByAddress(digi->GetAddress());
        TVector3 posPoint;
        posPoint.SetXYZ(data->fX, data->fY, data->fZ);
        TVector3 detPoint;
        
        CbmRichGeoManager::GetInstance().RotatePoint(&posPoint, &detPoint, !fRotationNeeded);
        AddHit(detPoint, j);
    }
}



void CbmRichHitProducer::AddHit(
                                TVector3 &posHit,
                                Int_t index)
{
    Int_t nofHits = fRichHits->GetEntriesFast();
    new((*fRichHits)[nofHits]) CbmRichHit();
    CbmRichHit *hit = (CbmRichHit*)fRichHits->At(nofHits);
    hit->SetPosition(posHit);
    //hit->SetPositionError(posHitErr);
    //hit->SetAddress(address);
    //hit->SetPmtId(0);
    //hit->SetNPhotons(0);
    //hit->SetAmplitude(0);
    hit->SetRefId(index);
}

void CbmRichHitProducer::Finish()
{
    fRichHits->Clear();
}



ClassImp(CbmRichHitProducer)