// Macro created by Radoslaw Karabowicz
// This macro takes the digis and find hits

Int_t gem_tracks(char* type="local",Int_t nFiles = 11, Int_t sleep=0) {

  if ( nFiles < 1 || nFiles > 16 ) {
    cout << "nFiles set to " << nFiles << ", should be in range (1,11)" << endl;
  }

  Int_t nEvents = 0;
  for ( Int_t iev = 1000 ; iev <= 900+nFiles*100 ; iev+=100 ) {
    nEvents += iev;
  }
  cout << "RUNNING \"" << type << "\" FOR " << nEvents << " EVENTS" << endl;

  TStopwatch* timer = new TStopwatch();
  timer->Start();
  TString ddd = "adg";

  Int_t nStations = 3;
  Double_t momentum = 15.; 
  int verboseLevel = 0;

  if ( nStations != 3 && nStations != 4 ) {
    cout << "WRONG number of stations, only 3 or 4 allowed." << endl;
    return;
  }

  // ----  Load libraries   -------------------------------------------------
  gROOT->Macro("$VMCWORKDIR/gconfig/rootlogon.C");
  TString sysFile = gSystem->Getenv("VMCWORKDIR");

  TString parFile = Form("/misc/karabowi/pandaroot_13510/trunk/macro/proof/Gem_%dStations_%gGeV_n1000_par.root",nStations,momentum,nEvents,type);
  TString outFile = Form("/misc/karabowi/pandaroot_13510/trunk/macro/proof/Gem_%dStations_%gGeV_n%d_tracks_%s.root",nStations,momentum,nEvents,type);

  // -----   Reconstruction run   -------------------------------------------
  FairRunAna *fRun= new FairRunAna();
  fRun->SetOutputFile(outFile.Data());

  fRun->SetInputFile(Form("/misc/karabowi/pandaroot_13510/trunk/macro/proof/Gem_%dStations_%gGeV_n1000_digi.root",nStations,momentum));

  for ( Int_t ifile = 1 ; ifile < nFiles ; ifile++ ) {
    cout << "adding file with " << 1000+ifile*100 << " events" << endl;
    fRun->AddFile(Form("/misc/karabowi/pandaroot_13510/trunk/macro/proof/Gem_%dStations_%gGeV_n%d_digi.root",nStations,momentum,1000+ifile*100));
  }

  // -----  Parameter database   --------------------------------------------
  TString allDigiFile = sysFile+"/macro/params/gem_3Stations.digi.par";
  if ( nStations == 4 ) allDigiFile = sysFile+"/macro/params/gem_4Stations.digi.par";

  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
  FairParRootFileIo* parInput1 = new FairParRootFileIo();
  parInput1->open(parFile.Data());
	
  FairParAsciiFileIo* parIo1 = new FairParAsciiFileIo();
  parIo1->open(allDigiFile.Data(),"in");
        
  rtdb->setFirstInput(parInput1);
  rtdb->setSecondInput(parIo1);
  // ------------------------------------------------------------------------

  // -----   GEM Hit Finder   ----------------------------------------------- 
  PndGemFindHits* gemFindHits = new PndGemFindHits("GEM Hit Finder", verboseLevel);
  gemFindHits->SetSleep(sleep);
  fRun->AddTask(gemFindHits);

  //------ Track finder ------------------------------
  //Create and add finder task
  PndGemFindTracks* finderTask = new PndGemFindTracks("PndGemFindTracks");
  finderTask->SetUseHitOrDigi("hit"); // hit = (default), digi
  fRun->AddTask(finderTask);
  
  //------ Realistic Track finder --------------------
  //PndGemTrackFinderDummy* mcTrackFinder = new  PndGemTrackFinderDummy();
  PndGemTrackFinderOnHits* mcTrackFinder = new  PndGemTrackFinderOnHits();
  mcTrackFinder->SetVerbose(verboseLevel);  // verbosity level
  finderTask->UseFinder(mcTrackFinder);
  //--------------------------------------------------

  // -----   Intialise and run   --------------------------------------------
  fRun->Init();
//   timer.Stop();
//   timer.Print();
//   timer.Continue();

  TString typeString = type;
  if ( typeString.Contains("lllll") )   
    fRun->Run(0,nEvents);
  else
    fRun->Run(type,0,nEvents);

  // -----   Finish   -------------------------------------------------------
  timer->Stop();
  Double_t rtime = timer->RealTime();
  Double_t ctime = timer->CpuTime();
  cout << "Macro finished succesfully." << endl;
  cout << "Output file is "    << outFile << endl;
  cout << "Parameter file is " << parFile << endl;
  cout << "Real time " << rtime << " s, CPU time " << ctime << " s" << endl;
  cout << endl;

}