/***********************************************************************
**                                                                    **
**          /----------------------------------------------\          **
**         |  Delphes, a framework for the fast simulation  |         **
**         |       of a  generic collider experiment        |         **
**          \----------------------------------------------/          **
**                                                                    **
**                                                                    **
**   This package uses:                                               **
**   ------------------                                               **
**   FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210]      ** 
**   Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2]       ** 
**   FROG: [hep-ex/0901.2718v1]                                       **
**                                                                    **
** ------------------------------------------------------------------ **
**                                                                    **
**   Main authors:                                                    **
**   -------------                                                    **
**                                                                    **
**                Severine Ovyn                Xavier Rouby           ** 
**          severine.ovyn@uclouvain.be      xavier.rouby@cern         ** 
**                                                                    ** 
**         Center for Particle Physics and Phenomenology (CP3)        ** 
**                Universite catholique de Louvain (UCL)              **       
**                     Louvain-la-Neuve, Belgium                      **            
**                                                                    **
**                      Copyright (C) 2008-2009,                      **
**                        All rights reserved.                        **  
**                                                                    **
***********************************************************************/

/// \file Convertors_Only.cpp
/// \brief Executable for Convertors

#include "TChain.h"
#include "TApplication.h"
#include "TStopwatch.h"
#include "TFile.h"

#include "ExRootTreeReader.h"
#include "ExRootTreeWriter.h"
#include "ExRootTreeBranch.h"
#include "ExRootProgressBar.h"

#include "DataConverter.h"
#include "HEPEVTConverter.h"
#include "LHEFConverter.h"
#include "STDHEPConverter.h"

#include "SmearUtil.h"
#include "CaloUtil.h"
#include "BFieldProp.h"
#include "TriggerUtil.h"
#include "VeryForward.h"
#include "JetsUtil.h"
#include "FrogUtil.h"

#include <vector>
#include <iostream>

using namespace std;

//------------------------------------------------------------------------------
void todo(string filename) {
  ifstream infile(filename.c_str());
  cout << "** TODO list ..." << endl;
  while(infile.good()) {
    string temp;
    getline(infile,temp);
    cout << "*" << temp << endl;
  }
  cout << "** done...\n"; 
}

//------------------------------------------------------------------------------

int main(int argc, char *argv[])
{

  int appargc = 2;
  char *appName= new char[20];
  char *appOpt= new char[20];
  sprintf(appName,"Convertors");
  sprintf(appOpt,"-b");
  char *appargv[] = {appName,appOpt};
  TApplication app(appName, &appargc, appargv);
  delete [] appName;
  delete [] appOpt;

  if(argc != 3) {
    cout << " Usage: " << argv[0] << " input_file output_file " << endl;
    cout << " input_list - list of files in Ntpl, StdHep of LHEF format," << endl;
    cout << " output_file - output file." << endl;
    exit(1);
  }


  
 
cout << endl << endl;

cout <<"*********************************************************************"<< endl;
cout <<"*********************************************************************"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**                            Welcome to                           **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**     .ddddddd-            lL             hH                      **"<< endl;
cout <<"**     -Dd` `dD:           Ll             hH`                      **"<< endl;
cout <<"**     dDd   dDd    eeee.  lL  .pp+pp    Hh+hhh`   -eeee- `sssss   **"<< endl;
cout <<"**    -Dd   `DD   ee. ee  Ll   .Pp. PP   Hh. HH.  ee. ee  sSs      **"<< endl;
cout <<"**    dD`   dDd  eEeee:   lL.  pP.  pP  hH   hH` eEeee:` -sSSSs.   **"<< endl;
cout <<"**   .Dd  :dd    eE.     LlL   PpppPP   Hh  Hh   eE         sSS    **"<< endl;
cout <<"**   dddddd:.     eee+:  lL.  pp.      hh.  hh    eee+  sssssS     **"<< endl;
cout <<"**                            Pp                                   **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**           Delphes, a framework for the fast simulation          **"<< endl;
cout <<"**                 of a  generic collider experiment               **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**                --- Version 1.4beta of Delphes ---               **"<< endl;
cout <<"**               Last date of change: 9 February 2009              **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**     This package uses:                                          **"<< endl;
cout <<"**     ------------------                                          **"<< endl;
cout <<"**     FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] **"<< endl;
cout <<"**     Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2]  **"<< endl;
cout <<"**     FROG:                               [hep-ex/0901.2718v1]    **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**-----------------------------------------------------------------**"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**   Main authors:                                                 **"<< endl;
cout <<"**   -------------                                                 **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**              Séverine Ovyn               Xavier Rouby           **"<< endl;
cout <<"**       severine.ovyn@uclouvain.be      xavier.rouby@cern         **"<< endl;
cout <<"**       Center for Particle Physics and Phenomenology (CP3)       **"<< endl;
cout <<"**       Universite Catholique de Louvain (UCL)                    **"<< endl;
cout <<"**       Louvain-la-Neuve, Belgium                                 **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**-----------------------------------------------------------------**"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**   Former Delphes versions and documentation can be found on :   **"<< endl;
cout <<"**               http://www.fynu.ucl.ac.be/delphes.html            **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"**   Disclaimer: this program is a beta version of Delphes and     **"<< endl;
cout <<"** therefore comes without guarantees. Beware of errors and please **"<< endl;
cout <<"**        give us your feedbacks about potential bugs              **"<< endl;
cout <<"**                                                                 **"<< endl;
cout <<"*********************************************************************"<< endl;
cout <<"*********************************************************************"<< endl;
 
// 1. ********** initialisation ***********

  srand (time (NULL));         /* Initialisation du générateur */
  TStopwatch globalwatch, loopwatch, triggerwatch, frogwatch;
  globalwatch.Start();

  
  //read the output TROOT file
  string inputFileList(argv[1]), outputfilename(argv[2]);
  if(outputfilename.find(".root") > outputfilename.length()) {
    cout <<"**    ERROR: 'output_file' should be a .root file. Exiting...      **"<< endl;
    exit(1);
  }
  
  TFile *outputFile = TFile::Open(outputfilename.c_str(), "RECREATE"); // Creates the file, but should be closed just after
  outputFile->Close();
  
  string line;
  ifstream infile(inputFileList.c_str());
  infile >> line; // the first line determines the type of input files
  
  // data converters
  DataConverter *converter=NULL;
  cout <<"**                                                                 **"<<endl;
  cout <<"**        ####### Start convertion to TRoot format ########        **"<< endl;

  if(strstr(line.c_str(),".hep"))
    {                           
      cout <<"**                 StdHEP file format detected                     **"<<endl;
      cout <<"**                This can take several minutes                    **"<< endl;
      converter = new STDHEPConverter(inputFileList,outputfilename);//case ntpl file in input list
    }
  else if(strstr(line.c_str(),".lhe"))
    {
      cout <<"**                   LHEF file format detected                     **"<<endl;
      cout <<"**                 This can take several minutes                   **"<< endl;
      converter = new LHEFConverter(inputFileList,outputfilename);//case ntpl file in input list
    }
  else if(strstr(line.c_str(),".root"))
    {
      cout <<"**                   h2root file format detected                   **"<<endl;
      cout <<"**                  This can take several minutes                  **"<< endl;
      converter = new HEPEVTConverter(inputFileList,outputfilename);//case ntpl file in input list
    }
  else {
      cerr << left  << setw(4) <<"**  "<<""
           << left  << setw(63) << line.c_str() <<""
           << right << setw(2) <<"**"<<endl;
      cerr <<"**         ERROR: File format not identified --  Exiting...        **"<< endl;
      cout <<"**                                                                 **"<< endl;
      cout <<"*********************************************************************"<< endl;
      return -1;};
  cout <<"**                       Exiting conversion...                     **"<< endl;
  cout <<"*********************************************************************"<< endl;
  cout <<"*********************************************************************"<< endl;


  delete converter;
  
}