#include "treeData.h"

#include <iostream>
#include <fstream>
#include <vector>

#include "TTree.h"
#include "TFile.h"
#include "TH1D.h"
#include <string>

void test()
{
  std::ifstream ifs("online_run.list");
  string filelist[500];

  Int_t nfiles = 0;
  while(!ifs.eof()){
    ifs>>filelist[nfiles];
    //    cout<<filelist[nfiles]<<endl;
    nfiles++;
  }
  
  cout<<"There are "<<nfiles<<" files in total"<<endl;
  // nfiles = nfiles-1;

  vector<string> pid_file;

  for(Int_t i=0; i<nfiles; i++){
    //  cout<<filelist[i]<<endl; 
    pid_file.push_back(filelist[i]);
 }
 
  TFile *s[100];
  char temptree[500];
  char temphisto[500];
  Int_t nentries[500];

  // Declaration of leaf types
  ULong64_t       ts;
  ULong64_t       sts;
  Double_t        tof;


  for(int i=0; i<pid_file.size(); i++){


    cout<<pid_file[i]<<endl;
    s[i] = TFile::Open(pid_file[i].c_str());

    //tree define
    sprintf(temptree,"tree%i",i);
    TTree *temptree = (TTree*)s[i]->Get("tree");
    nentries[i] = (Int_t)temptree->GetEntries();
    cout<<nentries[i]<<" is total number of entries"<<endl;

  

    temptree->SetBranchAddress("ts", &ts);
    temptree->SetBranchAddress("sts", &sts);
    temptree->SetBranchAddress("tof", &tof);

    temptree->SetBranchStatus("*",1);

    temptree->Show(40);
    temptree->GetEntry(40);
    cout<<tof<<" is tof of entry 40"<<endl;


    //define histo
  //  sprintf(temphisto,"hist%i",i);
//    auto temphisto = new TH1D("temphisto","",200,35,36);

    Int_t total_entries = nentries[i];


    for(int j=0; j<20; j++){
      temptree->GetTree()->GetEntry(j);
      cout<<"tof is "<<tof<<endl;
     
    }

  }
}