#include "TSystem.h"
#include "TCanvas.h"
#include "TFile.h"
#include "TH1F.h"
#include "TString.h"
#include <iostream>
#include <fstream>


using namespace std;

void txttoroot()
{
  TString pwd(gSystem->pwd()); //Get a current directory
  const char *dirname="/media/sf_Partag_virtualbox/Ampli/Test";
  TSystemDirectory dir(dirname, dirname);
  TList *files = dir.GetListOfFiles();


  Double_t time,V;
  Double_t dt=10e-12;
  const Int_t nBins=TMath::FloorNint(5.5e-7/dt)+1;

    if (files)
    {
     TSystemFile *file; TString fname,fname2; TIter next(files);
     while ((file=(TSystemFile*)next()))
     {
      fname = file->GetName();
      if (!file->IsDirectory() && fname.EndsWith(".txt"))
      {
        ifstream infile;
        infile.open (fname);
        //cout << fname << endl;
        if (fname.Index(".root_mpvE")>0){fname.Remove(fname.Index(".root"));fname2="mpvE";}
        else if(fname.Index("deg_emp")>0){fname2=fname;fname=fname(0,fname.Index("_emp"));fname2=fname2(fname2.Index("_emp")+4,fname2.Length());fname2.Remove(fname2.First("_"));}
        else{fname2=fname;fname=fname(0,fname.Index("deg_")+3);fname2=fname2(fname2.Index("deg_")+4,fname2.Length());fname2.Remove(fname2.First("_"));}
        fname2=fname2+"_L1";
        //cout << fname << endl;
        //cout << fname2 << endl;
        fname = fname +TString(".root");
        TFile *data=  new TFile(fname,"UPDATE");
        gDirectory->pwd();
        TH1F* hist_L= new TH1F(fname2,"Voltage output of Low Gain Amplifiers",nBins,0,5.5e-7);
        /*while(!infile.eof()) // To get you all the lines.
        {
          infile >> time;
          infile >> V;
          hist_L->Fill(time,V);
        }*/
        hist_L->GetXaxis()->SetTitle("Time [s]");
        hist_L->GetYaxis()->SetTitle("Amplitude[V]");
        infile.close();
        data->cd();
        hist_L->Write("",TObject::kOverwrite);
        data->Close();
        //cout<<hist_L<<endl;
        //delete hist_L;
      }
    }
  }
}