/** @file CbmDigitize.cxx
 ** @author Volker Friese <v.friese@gsi.de>
 ** @date 01.06.2018
 **/

#include "CbmDigitize.h"


#include <cassert>
#include "FairEventHeader.h"
#include "FairRunAna.h"
#include "CbmDaq.h"


// -----   Default constructor   --------------------------------------------
CbmDigitize::CbmDigitize() :
    FairTask("Digitizer"),
    fEventMode(kFALSE),
    fProduceNoise(kTRUE),
    fCreateMatches(kTRUE),
    fCurrentInput(-1),
    fCurrentEvent(-1),
    fCurrentMCEntry(-1),
    fCurrentEventTime(0.),
    fDaq(nullptr) {
}
// --------------------------------------------------------------------------



// -----   Default constructor   --------------------------------------------
CbmDigitize::CbmDigitize(const char* name) :
    FairTask(name),
    fEventMode(kFALSE),
    fProduceNoise(kTRUE),
    fCreateMatches(kTRUE),
    fCurrentInput(-1),
    fCurrentEvent(-1),
    fCurrentMCEntry(-1),
    fCurrentEventTime(0.),
    fDaq(nullptr) {
}
// --------------------------------------------------------------------------



// -----   Destructor   -----------------------------------------------------
CbmDigitize::~CbmDigitize() {
}
// --------------------------------------------------------------------------



// -----   Get event information   ------------------------------------------
void CbmDigitize::GetEventInfo() {

  // --- The event number is taken from the FairRootManager
  fCurrentEvent = FairRootManager::Instance()->GetEntryNr();

  // --- In a FairRunAna, take MC entry number, input number and time
  // --- from FairEventHeader. Note that the MC entry number need
  // --- not coincide with the event number, for instance if the run
  // --- does not start with the first MC entry, or in the case of
  // --- mixed MC inputs to digitization.
  if ( FairRunAna::Instance() ) {
    FairEventHeader* event = FairRunAna::Instance()->GetEventHeader();
    assert ( event );
    fCurrentInput   = event->GetInputFileId();
    fCurrentMCEntry = event->GetMCEntryNumber();
    fCurrentEventTime = event->GetEventTime();
  } //? FairRunAna
  else {  // no FairRunAna
    fCurrentInput = -1;
    fCurrentMCEntry = -1;
    fCurrentEventTime = 0.;
  } //? not FairRunAna

}
// --------------------------------------------------------------------------



// -----   Send a digi to the DAQ   -----------------------------------------
void CbmDigitize::SendDigi(CbmDigi* digi) {
  assert(fDaq);
  fDaq->ReceiveData(up_CbmDigi(digi), nullptr);
}
// --------------------------------------------------------------------------



// -----   Send a digi and its match to the DAQ   ---------------------------
void CbmDigitize::SendDigi(CbmDigi* digi, CbmMatch* match) {
  assert(fDaq);
  fDaq->ReceiveData(up_CbmDigi(digi), up_CbmMatch(match));
}
// --------------------------------------------------------------------------


ClassImp(CbmDigitize)