///////////////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////////////
#include "TFile.h"
#include "TTree.h"
#include "TBranch.h"

#include "OfflineMon/TFarmLosses.hh"

ClassImp(TFarmLosses)

//_____________________________________________________________________________
TFarmLosses::TFarmLosses() {
}


//_____________________________________________________________________________
int TFarmLosses::UpdateNtuple() {

  TFile* ntuple_file = new TFile(fNtupleFileName.Data(),"recreate");

  TTree* tree = new TTree("farm_losses","Farm Losses");

  TBranch* br = tree->Branch("FarmLosses","TFarmLosses", &fData);

  fData = new TFarmLosses::Data_t();
//-----------------------------------------------------------------------------
//  read the data file and fill the ntuple
//-----------------------------------------------------------------------------
  FILE* f = fopen(fInputDirName.Data(),"r");

  char c[200], buf1[50], buf2[50], buf3[50], name[20][50];

  int nmax = 200;
//-----------------------------------------------------------------------------
//  first line: names of the streams, first - input, the rest output
//-----------------------------------------------------------------------------
  fgets(c,nmax,f);

  char* p;
  int i(0), n_streams, n_output_streams;

  p = strtok(c," ");
  while (p) {
    strcpy(name[i++],p);
    p = strtok(0," ");
  };

  n_streams        = i;
  n_output_streams = i-1;

  while (fgets(c,nmax,f) > 0) {
    if (c[0]  != '#') {

      p = strtok(c," "); fData->fRunNumber     = atoi(p);

      for (int i=0; i<n_streams; i++) {
	p = strtok(0," "); fData->fRs1[i]        = atoi(p);
	p = strtok(0," "); fData->fRs2[i]        = atoi(p);
	p = strtok(0," "); fData->fNMisses[i]    = atoi(p);
	p = strtok(0," "); fData->fNMissingRs[i] = atoi(p);
      }

      for (int i=0; i<n_streams; i++) fData->fStream[i] = name[i];

      tree->Fill();
    }
  }

  ntuple_file->Write();
  delete ntuple_file;
  
  return 0;
}