#include "DataFormats/HeavyIonEvent/interface/CentralityBins.h"
#include <iostream>
using namespace std;

int CentralityBins::getBin(double value) const {
  int bin = table_.size() - 1;
  for (unsigned int i = 0; i < table_.size(); ++i) {
    if (value >= table_[i].bin_edge) {
      bin = i;
      return bin;
    }
  }

  return bin;
}

CentralityBins::RunMap getCentralityFromFile(TDirectoryFile* file, const char* tag, int firstRun, int lastRun) {
  return getCentralityFromFile(file, ".", tag, firstRun, lastRun);
}

CentralityBins::RunMap getCentralityFromFile(
    TDirectoryFile* file, const char* dir, const char* tag, int firstRun, int lastRun) {
  CentralityBins::RunMap map;
  for (int run = firstRun; run <= lastRun; ++run) {
    const CentralityBins* table = (const CentralityBins*)file->Get(Form("%s/run%d/%s", dir, run, tag));
    if (table)
      map.insert(std::pair<int, const CentralityBins*>(run, table));
  }
  return map;
}

ClassImp(CBin);
ClassImp(CentralityBins);