#include <iostream>
#include <fstream>
#include <TApplication.h>
#include <TString.h>
#include <TFile.h>
#include <TTree.h>


using namespace std;
void splitfiles(TString FileName)
// int main(int argc, char* argv[])
{
// 	TApplication *rootapp = new TApplication("example",&argc, argv);
// 	TString FileName = argv[1];
	TFile *inf = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+".root");
	TFile *outf1 = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+"_splitted_0000_0500.root","recreate");
	TFile *outf2 = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+"_splitted_0500_1000.root","recreate");
	TFile *outf3 = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+"_splitted_1000_1500.root","recreate");
	TFile *outf4 = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+"_splitted_1500_2000.root","recreate");
	TFile *outf5 = new TFile("/mnt/storage/8TeV/FastSimulation/0900_300_090/CMGtuples/"+FileName+"_splitted_2000_2500.root","recreate");
	
	TFile *out_file[5];
	out_file[0] = outf1;
	out_file[1] = outf2;
	out_file[2] = outf3;
	out_file[3] = outf4;
	out_file[4] = outf5;


	for(int c=0; c<5; c++)
	{
		int s = 500*c;
		
		TTree *old_MetaData = (TTree*)inf->Get("MetaData");
		TTree *old_ParameterSets = (TTree*)inf->Get("ParameterSets");
		TTree *old_Parentage = (TTree*)inf->Get("Parentage");
		TTree *old_Events = (TTree*)inf->Get("Events");
		TTree *old_LuminosityBlocks = (TTree*)inf->Get("LuminosityBlocks");
		TTree *old_Runs = (TTree*)inf->Get("Runs");
		
		TTree *new_MetaData = old_MetaData->CloneTree(0);
		TTree *new_ParameterSets = old_ParameterSets->CloneTree(0);
		TTree *new_Parentage = old_Parentage->CloneTree(0);
		TTree *new_LuminosityBlocks = old_LuminosityBlocks->CloneTree(0);
		TTree *new_Events = old_Events->CloneTree(0);
		TTree *new_Runs = old_Runs->CloneTree(0);

		for (int i=s;i<s+500; i++) 
		{
			old_MetaData->GetEntry(i);
			old_ParameterSets->GetEntry(i);
			old_Parentage->GetEntry(i);
			old_LuminosityBlocks->GetEntry(i);
			old_Events->GetEntry(i);
			old_Runs->GetEntry(i);
			
			new_MetaData->Fill();
			new_ParameterSets->Fill();
			new_Parentage->Fill();
			new_LuminosityBlocks->Fill();
			new_Events->Fill();
			new_Runs->Fill();
			
		}
// 	newtree->Print();
	out_file[c]->cd();
	new_MetaData->AutoSave();
	new_ParameterSets->AutoSave();
	new_Parentage->AutoSave();
	new_LuminosityBlocks->AutoSave();
	new_Events->AutoSave();
	new_Runs->AutoSave();
	
	delete old_MetaData;
	delete old_ParameterSets;
	delete old_Parentage;
	delete old_LuminosityBlocks;
	delete old_Events;
	delete old_Runs;
	
	delete new_MetaData;
	delete new_ParameterSets;
	delete new_Parentage;
	delete new_LuminosityBlocks;
	delete new_Events;
	delete new_Runs;
	}
	
// 	rootapp->Run();
// 	rootapp->Terminate();
	gApplication->Terminate();
}