/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
 * Software engineering by
 *  Björnsen Beratende Ingenieure GmbH
 *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.artifacts.sinfo.common;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
import org.dive4elements.artifactdatabase.state.Facet;
import org.dive4elements.artifacts.Artifact;
import org.dive4elements.artifacts.CallContext;
import org.dive4elements.artifacts.CallMeta;
import org.dive4elements.river.artifacts.resources.Resources;
import org.dive4elements.river.artifacts.sinfo.collision.CollisionCalcOverviewResult;
import org.dive4elements.river.artifacts.sinfo.collision.CollisionFacet;
import org.dive4elements.river.exports.DiagramGenerator;
import org.dive4elements.river.exports.StyledSeriesBuilder;
import org.dive4elements.river.jfree.StyledXYSeries;
import org.dive4elements.river.themes.ThemeDocument;

/**
 * Processor to generate a data series for bed collision count data loaded from the database
 *
 * @author Matthias Schäfer
 *
 */
public class CollisionCountProcessor extends AbstractSInfoProcessor {

    // private final static Logger log = Logger.getLogger(CollisionCountProcessor.class);

    public static final String FACET_COLLISION_COUNT = "sinfo_facet_collision_count";

    private static final String I18N_AXIS_LABEL = "chart.collision_count.section.yaxis.label";

    private static final String I18N_SERIES_NAME_PATTERN = "collision.count.title";

    private static final Set<String> HANDLED_FACET_TYPES = new HashSet<>();

    static {
        HANDLED_FACET_TYPES.add(FACET_COLLISION_COUNT);
    }

    public CollisionCountProcessor() {
        super(I18N_AXIS_LABEL, HANDLED_FACET_TYPES);
    }

    @Override
    protected String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {

        final CallContext context = generator.getContext();
        final Map<String, String> metaData = bundle.getFacet().getMetaData();

        final Artifact artifact = bundle.getArtifact();

        final StyledXYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme);
        series.putMetaData(metaData, artifact, context);

        final String facetName = bundle.getFacetName();

        final CollisionCalcOverviewResult data = (CollisionCalcOverviewResult) bundle.getData(context);
        if (data == null) {
            // Check has been here before so we keep it for security reasons
            // this should never happen though.
            throw new IllegalStateException("Data is null for facet: " + facetName);
        }

        final double[][] points = data.getStationPoints(SInfoResultType.collisionCount);

        StyledSeriesBuilder.addPoints(series, points, true);
        generator.addAxisSeries(series, getAxisName(), visible);

        return metaData.get("Y");
    }

    public static Facet createFacet(final CallMeta callMeta, final String seriesName) {
        return new CollisionFacet(FACET_COLLISION_COUNT, Resources.getMsg(callMeta, I18N_SERIES_NAME_PATTERN, I18N_SERIES_NAME_PATTERN, seriesName),
                I18N_AXIS_LABEL);
    }

}