/* Copyright (C) 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * 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.exports.process;

import org.apache.log4j.Logger;

import org.jfree.data.xy.XYSeries;

import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
import org.dive4elements.artifacts.CallContext;

import org.dive4elements.river.artifacts.model.MiddleBedHeightData;
import org.dive4elements.river.artifacts.D4EArtifact;
import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.themes.ThemeDocument;
import org.dive4elements.river.exports.DiagramGenerator;
import org.dive4elements.river.exports.StyledSeriesBuilder;
import org.dive4elements.river.utils.RiverUtils;
import org.dive4elements.river.jfree.StyledXYSeries;

public class MiddleBedHeightProcessor extends DefaultProcessor {

    /** Private logger. */
    private static final Logger logger =
            Logger.getLogger(WOutProcessor.class);

    public static final String I18N_AXIS_LABEL =
        "chart.bedheight_middle.section.yaxis.label";

    public static final String I18N_AXIS_LABEL_DEFAULT =
        "mittlere Sohlhöhen [müNN]";

    @Override
    public void doOut(
            DiagramGenerator generator,
            ArtifactAndFacet bundle,
            ThemeDocument    theme,
            boolean          visible) {
        CallContext context = generator.getCallContext();
        logger.debug("Processing: " + bundle.getFacetName());
        MiddleBedHeightData data =
            (MiddleBedHeightData) bundle.getData(context);

        XYSeries series = new StyledXYSeries(bundle.getFacetDescription(),
                theme);

        StyledSeriesBuilder.addPoints(series, data.getMiddleHeightsPoints(),
                false, 0.110d);

        generator.addAxisSeries(series, axisName, visible);
    }

    @Override
    public String getAxisLabel(DiagramGenerator generator) {
        D4EArtifact flys = (D4EArtifact) generator.getMaster();

        String unit = RiverUtils.getRiver(flys).getWstUnit().getName();

        return generator.msg(
                I18N_AXIS_LABEL,
                I18N_AXIS_LABEL_DEFAULT,
                new Object[] { unit });
    }

    @Override
    public boolean canHandle(String facetType) {
        if (facetType == null) {
            return false;
        }
        return facetType.equals(FacetTypes.MIDDLE_BED_HEIGHT_EPOCH) ||
            facetType.equals(FacetTypes.MIDDLE_BED_HEIGHT_SINGLE);
    }
}