/* $Id: */

// -------------------------------------------------------------------------
// -----                    PndGemEventBuilderOnMCEvents source file         -----
// -----                  Created 22/08/2013 by R. Karabowicz          -----
// -------------------------------------------------------------------------

/** PndGemEventBuilderOnMCEvents
 *@author Radoslaw Karabowicz <r.karabowicz@gsi.de>
 *@since 22.08.2013
 *@version 1.0
 **
 ** PANDA task class for creating RecoEvents ideally from MC events.
 ** Task level RECO
 **/

#include "PndGemEventBuilderOnMCEvents.h"

#include "PndDetectorList.h"
#include "FairRecoEventHeader.h"

#include "FairEventHeader.h"
#include "FairRootManager.h"
#include "FairRunAna.h"
#include "FairRuntimeDb.h"

#include "TMath.h"
#include "TRandom2.h"
#include "TClonesArray.h"

#include <iomanip>

using std::cout;
using std::cerr;
using std::endl;
using std::flush;
using std::fixed;
using std::right;
using std::left;
using std::setw;
using std::setprecision;
using std::set;
using std::map;

using std::sort;

// -----   Default constructor   ------------------------------------------
PndGemEventBuilderOnMCEvents::PndGemEventBuilderOnMCEvents()
  : FairEventBuffer(),
    fEventHeader (NULL),
    fTNofEvents    (0),
    fTNofRecoEvents(0),
    fExecTime      (0.)
{
}
// -------------------------------------------------------------------------


// -----   Constructor with name   -----------------------------------------
PndGemEventBuilderOnMCEvents::PndGemEventBuilderOnMCEvents(const char* name, Int_t iVerbose) 
  : FairEventBuffer(),
    fEventHeader (NULL),
    fTNofEvents    (0),
    fTNofRecoEvents(0),
    fExecTime      (0.)
{
}
// -------------------------------------------------------------------------



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



// -----   Public method Exec   --------------------------------------------
std::vector<std::pair<double, FairRecoEventHeader*> > PndGemEventBuilderOnMCEvents::FindEvents() {
  std::vector<std::pair<double, FairRecoEventHeader*> > result;
  std::pair<double,FairRecoEventHeader*> singleResult;

  FairRecoEventHeader* recoEvent = new FairRecoEventHeader();
  recoEvent->SetEventTime(fEventHeader->GetEventTime());

  singleResult.first  = recoEvent->GetEventTime();
  singleResult.second = recoEvent;
  
  result.push_back(singleResult);
  
  return result;
}
// -------------------------------------------------------------------------


std::vector<std::pair<double, FairRecoEventHeader*> > PndGemEventBuilderOnMCEvents::Modify(std::pair<double, FairRecoEventHeader*> oldData, std::pair<double, FairRecoEventHeader*> newData)
{
  std::vector<std::pair<double, FairRecoEventHeader*> > result;
  result.push_back(newData);
  return result;
}

void PndGemEventBuilderOnMCEvents::AddNewDataToTClonesArray(FairTimeStamp* data)
{
}

double PndGemEventBuilderOnMCEvents::FindTimeForData(FairTimeStamp* data) 
{
  return -1;
}
void PndGemEventBuilderOnMCEvents::FillDataMap(FairTimeStamp* data, double activeTime) 
{
}

void PndGemEventBuilderOnMCEvents::EraseDataFromDataMap(FairTimeStamp* data)
{
}

// -----   Private method SetParContainers   -------------------------------
void PndGemEventBuilderOnMCEvents::SetParContainers() {

  // Get run and runtime database
  FairRunAna* run = FairRunAna::Instance();
  if ( ! run ) Fatal("SetParContainers", "No analysis run");

  FairRuntimeDb* db = run->GetRuntimeDb();
  if ( ! db ) Fatal("SetParContainers", "No runtime database");
}
// -------------------------------------------------------------------------




// -----   Private method Init   -------------------------------------------
Bool_t PndGemEventBuilderOnMCEvents::Init() {

  // Get input array
  FairRootManager* ioman = FairRootManager::Instance();
  if ( ! ioman ) Fatal("Init", "No FairRootManager");

  fEventHeader = (FairEventHeader*) ioman->GetObject("EventHeader.");

  return kTRUE;
}
// -------------------------------------------------------------------------




// -----   Private method ReInit   -----------------------------------------
Bool_t PndGemEventBuilderOnMCEvents::ReInit() {

  // Create sectorwise digi sets
  //  MakeSets();

  return kTRUE;
}
// -------------------------------------------------------------------------



// -----   Public method Finish   ------------------------------------------
void PndGemEventBuilderOnMCEvents::Finish() {
}
// -------------------------------------------------------------------------


ClassImp(PndGemEventBuilderOnMCEvents)