////////////////////////////////////
// KRATTA progress bar
// for the Asy-Eos experiment
// TKratProgressBar DEFINITION
// Apr 2013
// revison 04/2013
// E.d.F ver 1.0 
// sebastian.kupny@uj.edu.pl
// Description:
//   
// Changes:
////////////////////////////////////


#include "TKratProgressBar.h"

using std::cout;
using std::endl;

//______________________________________________________________________
TKratProgressBar::TKratProgressBar (int max, int len)
   
  : fLen(len),
    fMax(max),
    fMeter(new char[len+1]),
    fUpdateFrequency(10000)
{
    Reset( max );
}

//______________________________________________________________________
void TKratProgressBar::Reset (int max )
{
    fMax = max;

    memset (fMeter, ' ', fLen);
    fMeter[fLen] = 0;
    time(&fStart);
}
//______________________________________________________________________
  
bool TKratProgressBar::UpdateAndWrite(int iev){

      iev++;
      if (iev % fUpdateFrequency == 0 || iev== fMax){
        int proc = iev*100/fMax;
        double elapsed = difftime(time(0), fStart);
        time_t estimated = elapsed/iev*fMax - elapsed;
        struct tm * T = gmtime(&estimated);
        memset( fMeter,'#',proc*fLen/100);

        std::cout << "\rProgress: "
                  << iev << "/" << fMax
                  << " (" << proc <<  " %)"
                  << " in " <<std::setprecision(5)<< elapsed << " sec."
                  << " Estimated time: "
                  << T->tm_hour << ":"
                  << std::setfill ('0') << std::setw (2) << T->tm_min << ":"
                  << std::setfill ('0') << std::setw (2) << T->tm_sec << " "
                  << " [" << fMeter << "]"
                  << std::flush;
        if(iev==fMax){
          std::cout << "\rCompleted"<< std::endl;
          return false;
        }
      }

      return true;
    }
    

ClassImp( TKratProgressBar )