/*
 * AculCalParsScint.cpp
 *
 *  Created on: Oct 21, 2016
 *      Author: vratik
 */

#include "AculCalParsScint.h"
#include "TFile.h"

AculCalParsScint::AculCalParsScint() {
	// TODO Auto-generated constructor stub
	Reset();

}

AculCalParsScint::AculCalParsScint(const char* parFile) {
	// TODO Auto-generated constructor stub
	SetParFile(parFile);
	Init();

}

AculCalParsScint::~AculCalParsScint() {
	// TODO Auto-generated destructor stub
}

void AculCalParsScint::Init() {
	SetPars();
	LoadCuts();
}

void AculCalParsScint::SetPars() {

	std::ifstream infile(fParFileName.Data());
	if ( !infile.is_open() ) {
		printf("AculCalParsScint::ReadParFile: File %s was not open and parameters were not set.\n", fParFileName.Data());
		Reset();
		return;
	}

	fEnergyPoints = 0;

	TString line;
	TString word;

	Int_t i, min, max;
	Int_t lineLength = 400;
	Char_t	det[lineLength];
	Char_t	part[lineLength];
	Char_t	fname[lineLength];
	Char_t	cname[lineLength];

	double en;	//energy

	while (!infile.eof()) {
		line.ReadLine(infile);

		if ( line.BeginsWith("#") || line.BeginsWith("//") ) continue;

		if ( line.BeginsWith("energies") ) {
			sscanf(line.Data(), "%*s %d", &i);
			continue;
		}

		if ( line.BeginsWith("crystals") ) {
			sscanf(line.Data(), "%*s %d", &i);
			fNoCrystals = i;
			continue;
		}

		if ( line.BeginsWith("files") ) {
			sscanf(line.Data(), "%*s %d", &i);
			fNoFiles = i;
			for (Int_t j = 0; j < fNoFiles; j++) {
				line.ReadLine(infile);
				sscanf(line, "%s", fname);
				word = fname;
				fFileName.push_back(fname);
			}
			continue;
		}

		if ( line.BeginsWith("cutFile") ) {
			sscanf(line.Data(), "%*s %s %d", fname, &fNoCuts);
			fCutsFileName = fname;
			for (Int_t j = 0; j < fNoCuts; j++) {
				line.ReadLine(infile);
				sscanf(line, "%s", cname);
				fCutName.push_back(cname);
			}
			continue;
		}

		if ( line.BeginsWith("detector") ) {
			sscanf(line.Data(), "%*s %s %s", det, part);
			fDetName = det;
			fPartName = part;
			continue;
		}

		if ( line.BeginsWith("energy") ) {
			sscanf(line.Data(), "%*s %lf", &en);
			fE.push_back(en);
			fEnergyPoints++;
			vector<Int_t> newM;
			fPeakMin.push_back(newM);
			fPeakMax.push_back(newM);
			continue;
		}

		sscanf(line.Data(), "%d %d %d", &i, &min, &max);
		fPeakMin.at(fEnergyPoints-1).push_back(min);
		fPeakMax.at(fEnergyPoints-1).push_back(max);
	}//while

	infile.close();
	return;
}

void AculCalParsScint::PrintParameters(const char* option) {

	TString opt = option;

	cout << "Parameters read from file \"" << fParFileName.Data() << "\"." << endl;
	cout << "\tCalibration of detector \"" << fDetName << "\" with " << fNoCrystals << " crystals." << endl;
//	cout << "\tNumber of crystals: " << fNoCrystals << endl;
	cout << "\tParticle: " << fPartName << endl;
	cout << "\tInput files with raw data (" << fNoFiles << "):" << endl;
	for (Int_t i = 0; i < (Int_t)fFileName.size(); i++) {
//		cout << i << endl;
		cout << "\t " << fFileName[i] << endl;
	}

	cout << "\tInput energies (" << fNoFiles << "):" << endl;
	for (Int_t i = 0; i < (Int_t)fE.size(); i++) {
		//		cout << i << endl;
		cout << "\t " << fE[i] << " MeV" << endl;
	}

	cout << "\tInput file with " << fNoCuts << " cuts: \"" << fCutsFileName << "\"" << endl;
	if (opt.Contains("all")) {
		for (Int_t i = 0; i < (Int_t)fCutName.size(); i++) {
			//		cout << i << endl;
			cout << "\t cut: \"" << fCutName[i] << "\"" << endl;
		}
	}

	if (!opt.Contains("all")) return;

	cout << "\tPeak limits for particular channels and energies:" << endl;
	for (Int_t k = 0; k < (Int_t)fPeakMin.size(); k++) {

		cout << "\t  Set number: " << k << "; energy: " << fE[k] << " MeV" << endl;

		for (Int_t i = 0; i < (Int_t)fPeakMin[k].size(); i++) {
	//		cout << i << endl;
			cout << "\t\t " << fPeakMin[k][i] << "\t" << fPeakMax[k][i] << endl;
		}
	}

	return;
}

void AculCalParsScint::Reset() {

	fParFileName = "";

	fDetName = "";
	fPartName = "";

	fNoFiles = 0;
	fEnergyPoints = 0;

	fE.clear();

	fCutsFileName = "";
	fNoCuts = 0;				//number of cuts

	fFileName.clear();
	fCutName.clear();

	fPeakMin.clear();
	fPeakMax.clear();

	return;
}

const char* AculCalParsScint::GetFileName(Int_t i) {

	if ( i > (Int_t)fFileName.size()-1 ) {
		cerr << "\"AculCalParsScint::GetFileName\"  index i cannot be higher than " << fFileName.size() - 1 << endl;
		return 0;
	}
	return fFileName[i].Data();
}

const char* AculCalParsScint::GetCutName(Int_t i) {

	if ( i > (Int_t)fCutName.size()-1 ) {
		cerr << "\"AculCalParsScint::GetCutName\"  index i cannot be higher than " << fCutName.size() - 1 << endl;
		return 0;
	}
	return fCutName[i].Data();
}

Double_t AculCalParsScint::GetCalEnergy(Int_t i) {

	if ( i > (Int_t)fE.size()-1 ) {
		cerr << "\"AculCalParsScint::GetCalEnergy\"  index i cannot be higher than " << fE.size() - 1 << endl;
		return 0;
	}
	return fE[i];
}

Int_t AculCalParsScint::GetMinChannel(Int_t energy, Int_t crystal) {

	if ( energy > (Int_t)fPeakMin.size()-1 ) {
		cerr << "\"AculCalParsScint::GetMinChannel\"  index \"energy\" cannot be higher than " << fPeakMin.size() - 1 << endl;
		return 0;
	}

	vector<Int_t> v = fPeakMin[energy];
	if ( crystal > (Int_t)v.size()-1 ) {
		cerr << "\"AculCalParsScint::GetMinChannel\"  index \"crystal\" cannot be higher than " << v.size() - 1 << endl;
		return 0;
	}

	return fPeakMin[energy][crystal];
}

Int_t AculCalParsScint::GetMaxChannel(Int_t energy, Int_t crystal) {

	if ( energy > (Int_t)fPeakMax.size()-1 ) {
		cerr << "\"AculCalParsScint::GetMinChannel\"  index \"energy\" cannot be higher than " << fPeakMax.size() - 1 << endl;
		return 0;
	}

	vector<Int_t> v = fPeakMax[energy];
	if ( crystal > (Int_t)v.size()-1 ) {
		cerr << "\"AculCalParsScint::GetMinChannel\"  index \"crystal\" cannot be higher than " << v.size() - 1 << endl;
		return 0;
	}

	return fPeakMax[energy][crystal];
}

void AculCalParsScint::LoadCuts() {

	if (fCutsFileName.Length() == 0) {
		printf("AculCalParsScint::LoadCuts: Name of file (*.root) with cuts was not provided.\n");
		printf("AculCalParsScint::LoadCuts: No cuts has been loaded.\n");
		return;
	}

	TFile cutFile(fCutsFileName.Data(), "READ");
	if(!cutFile.IsOpen()) {
		cerr << "\"AculCalParsScint::LoadCuts\" File " << fCutsFileName.Data()
				<< " was not open and no cuts were loaded." << endl;
		return;
	}

	for (Int_t i = 0; i < (Int_t)fCutName.size(); i++) {
		TCutG *currentCut = (TCutG*)cutFile.Get(fCutName[i]);
		if (currentCut) {
			fCuts.push_back(*currentCut);
		}
	}

}