/*-
 *  Copyright 2020 Beuth Hochschule für Technik Berlin, Hochschule für Technik Stuttgart
 * 
 *  This file is part of CityDoctor2.
 *
 *  CityDoctor2 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.
 *
 *  CityDoctor2 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 CityDoctor2.  If not, see <https://www.gnu.org/licenses/>.
 */
package de.hft.stuttgart.citydoctor2.check.error;

import java.util.Optional;

import de.hft.stuttgart.citydoctor2.check.CheckError;
import de.hft.stuttgart.citydoctor2.check.ErrorId;
import de.hft.stuttgart.citydoctor2.check.ErrorReport;
import de.hft.stuttgart.citydoctor2.check.ErrorType;
import de.hft.stuttgart.citydoctor2.check.ErrorVisitor;
import de.hft.stuttgart.citydoctor2.check.HealingMethod;
import de.hft.stuttgart.citydoctor2.check.ModificationListener;
import de.hft.stuttgart.citydoctor2.datastructure.GmlElement;
import de.hft.stuttgart.citydoctor2.datastructure.LinearRing;
import de.hft.stuttgart.quality.model.TooFewPoints;
import de.hft.stuttgart.quality.model.ValidationError;

/**
 * If a linear ring has less than 4 distinct points, it is has too few points.
 * 
 * @author Matthias Betz
 *
 */
public class RingTooFewPointsError implements CheckError {

	private static final long serialVersionUID = 7207518573842743261L;
	
	private LinearRing lr;

	public RingTooFewPointsError(LinearRing lr) {
		this.lr = lr;
	}

	public LinearRing getRing() {
		return lr;
	}

	@Override
	public void report(ErrorReport report) {
		report.add(lr);
	}

	@Override
	public void accept(ErrorVisitor errorVisitor) {
		errorVisitor.visit(this);
	}

	@Override
	public boolean accept(HealingMethod method, ModificationListener l) {
		return method.visit(this, l);
	}

	@Override
	public String toString() {
		return "TooFewPointsError [lr=" + lr + "]";
	}

	@Override
	public ErrorType getType() {
		return ErrorType.ERROR;
	}

	@Override
	public ErrorId getErrorId() {
		return ErrorId.GE_R_TOO_FEW_POINTS;
	}

	@Override
	public GmlElement getFeature() {
		return getRing();
	}

	@Override
	public Optional<ValidationError> convertToQualityAdeDatastructure() {
		TooFewPoints err = new TooFewPoints();
		err.setLinearRingId(lr.getGmlId().getGmlString());
		return Optional.of(err);
	}
}
