/* Copyright (C) 2011, 2012, 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.w3c.dom.Document;

import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
import org.dive4elements.artifacts.CallContext;
import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.artifacts.model.WQKms;
import org.dive4elements.river.exports.StyledSeriesBuilder;
import org.dive4elements.river.exports.XYChartGenerator;
import org.dive4elements.river.jfree.StyledXYSeries;


/** Helper for data handling in discharge diagrams. */
public class DischargeProcessor
implements   Processor, FacetTypes {

    private final static Logger logger =
            Logger.getLogger(DischargeProcessor.class);


    /** Process data, add it to plot. */
    @Override
    public void doOut(
            XYChartGenerator generator,
            ArtifactAndFacet aandf,
            Document theme,
            boolean visible,
            int index
    ) {
        CallContext context = generator.getCallContext();
        Object data = aandf.getData(context);
        if (data instanceof WQKms) {
            // TODO: Fetch point
            return;
        }
        logger.error("Can't process " + data.getClass().getName() + " objects");
    }


    /** True if this processor knows how to deal with facetType. */
    @Override
    public boolean canHandle(String facetType) {
        return BED_DIFFERENCE_HEIGHT_YEAR.equals(facetType);
    }


    /** TODO Handle WQKms point data. */
    protected void doWQKmsPointOut(XYChartGenerator generator,
        WQKms data,
        ArtifactAndFacet aandf,
        Document theme,
        boolean visible,
        int axidx) {

        /*
        XYSeries series = new StyledXYSeries(aandf.getFacetDescription(), theme);
        StyledSeriesBuilder.addPoints(series, data.getHeightPerYearData(), false, GAP_TOLERANCE);

        generator.addAxisSeries(series, axidx, visible);
        */
    }
}
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