/*
 * Copyright (C) 2018 Université Clermont Auvergne, CNRS/IN2P3, LPC
 * Author: Valentin NIESS (niess@in2p3.fr)
 *
 * A Geant4 particle source of atmospheric muons using GOUPIL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */

#pragma once

/* C++ standard library includes */
#include <list>

/* Encapsulation of a datum for a topography layer */
typedef std::pair<G4String, G4double> IGoupilTopographyDatum;

/* Container for an ordered set of data */
typedef std::list<IGoupilTopographyDatum> IGoupilTopographyData;

/* Container for a topography layer */
class IGoupilTopographyLayer {
    public:
        IGoupilTopographyLayer(
            G4String name, G4String material, G4double density=0) :
            fName(name), fMaterial(material), fDensity(density) {}

        void AddData(G4String path, G4double offset=0) {
                fData.push_back(IGoupilTopographyDatum(path, offset));
        }
        void ResetData() {
                fData.clear();
        }

        G4String GetName() const {return fName;}
        G4String GetMaterial() const {return fMaterial;}
        G4double GetDensity() const {return fDensity;}
        const IGoupilTopographyData & GetData() const {return fData;}

        void SetName(G4String name) {fName = name;}
        void SetMaterial(G4String material) {fMaterial = material;}
        void SetDensity(G4double density) {fDensity = density;}

    private:
        G4String fName;
        G4String fMaterial;
        G4double fDensity;
        IGoupilTopographyData fData;
};

/* Container for describing a topography */
typedef std::list<IGoupilTopographyLayer> IGoupilTopography;