//////////////////////////////////////////////////////////////////////////////
//                                                            				//
// This class is intended for ...                             				//
//                                                            				//
// It work like this... User may use such functions ... in such steps.      //
//
// Keywords in parameter file and possible comments
//
// Something about order of keywords
//
// Example of parameter file (with explanations)
//
//			energies	4	#number of energy points
//			crystals	16	#number of crystals in detector
//			files 4
//			#fileID		fileName
//			#fileID not implemented yet
//			data/csi_13_Ealpha16.root
//			data/csi_13_Ealpha21.root
//			data/csi_13_Ealpha26.root
//			data/csi_13_Ealpha30.root
//			#keyword	detector	particle
//			detector	SQ13  Alpha
//			#keyword	energy [MeV/A]
//			energy 66.542
//			#keyword;	filename;	number of cuts in file
//			cutFile cuts/cutsSQ13Alpha.root	2
//			cutsSQ13Alpha16
//			cutSQ13Alpha16Amp
//			#channel	minimum	maximum
//			0	650		830
//			1	920		1150
//\			...
//			15	800		1000
//			#CsI2, energy ~ 21 MeV/A, Alpha
//			energy 85.437
//			#keyword;	filename;	number of cuts in file
//			cutFile cuts/cutsSQ13Alpha.root	2
//			cutSQ13Alpha21
//			cutSQ13Alpha21Amp
//			#channel	minimum	maximum
//			0	1050	1200
//\			\...
//			15	1150	1350
//			#CsI2, energy ~ 26 MeV/A, Alpha
//			energy 105.5
//			...
//
//asdasd
//////////////////////////////////////////////////////////////////////////////


#pragma once

//#include "TObject.h"
//#include "TROOT.h"
#include <iostream>
#include <fstream>
//#include <vector>

#include "TFile.h"
#include "TTree.h"
//#include "TCanvas.h"
#include "TH1I.h"
#include "TGraphErrors.h"
//#include "TArrayD.h"
#include "TF1.h"

#include "./AculCalib.h"

using std::cout;
using std::endl;
//using std::vector;

class AculCalibScint : public AculCalib {

private:
//
	//todo delete this strange double array somewhere
	TFile **fInFiles;	//doc of class member
	TTree **fTrees;

	TFile *fCutFile;

	vector< vector<TH1I*> > fHistFull;
	vector< vector<TH1I*> > fHistCut;
//
	vector< vector<Double_t> > fMeanPeakPos; //doc of class member
	vector< vector<Double_t> > fMeanPeakRMS;
//
	//todo make vector of graphs
	TGraphErrors *gCal[16];
//	TFile *fGraphs;

public:
	AculCalibScint();
	//default constructor

	AculCalibScint(const char* parfile);
	virtual ~AculCalibScint();
	ClassDef (AculCalibScint,1);	//decription right after ClassDef

	virtual void Init();

	void PrintTrees();

	//Description of the function. I think it does not work.
	void DrawVariable(const char* variable, Int_t treeID, TCanvas *canvas, Int_t lowRange = 0, Int_t upRange = 4096);

	//Description of the function. I think it does not work.
	void DrawBeam(TCanvas *canvas, Int_t file, const char* variable);

	//One of the crucial function. It founds the mean of the peak related to our particle.
	void GetPeakMean(const char* variable, Int_t treeID, TCanvas *canvas,
			const char* beamcut, const Int_t nbins = 4096, Int_t lowRange = 0);
	void Calibrate(TCanvas *canvas, Bool_t savefile = 0, const char* filename = "", const char* option = "READ");

	void WriteClbParameters(const char* filename);

	TTree* GetTree(Int_t treeID);

//private functions:
//	void LoadCuts();

private:
	void OpenFiles();
	void LoadTrees();

	void SaveClbGraphs(const char* filename, const char* option = "READ");
	void FillGraph(TGraphErrors *g, Int_t npoints, /*Double_t *energies,*/ Int_t graphNumber, const char* option = "");


//	void SetPars();
};