package de.intevation.flys.artifacts.model;

import java.util.List;
import java.awt.geom.Point2D;

import org.apache.log4j.Logger;

import de.intevation.artifacts.Artifact;
import de.intevation.artifacts.CallContext;
import de.intevation.artifacts.DataProvider;

import de.intevation.flys.artifacts.StaticWKmsArtifact;
import de.intevation.flys.artifacts.model.FacetTypes;

/**
 * Facet to access a point
 */
public class RelativePointFacet
extends      BlackboardDataFacet
implements   FacetTypes {

    private static Logger logger = Logger.getLogger(RelativePointFacet.class);

    /** Trivial Constructor. */
    public RelativePointFacet(String description) {
        this(RELATIVE_POINT, description);
    }

    public RelativePointFacet(String name, String description) {
        this.name        = name;
        this.description = description;
        this.index       = 0;
    }


    /**
     * Returns the data this facet requires.
     *
     * @param artifact the owner artifact.
     * @param context  the CallContext (ignored).
     *
     * @return the data.
     */
    @Override
    public Object getData(Artifact artifact, CallContext context) {
        /* CrossSectionWaterLineFacet:
        List<DataProvider> providers = context.
            getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
        if (providers.size() < 1) {
            logger.warn("Could not find Cross-Section data provider.");
            return new Lines.LineData(new double[][] {}, 0d, 0d);
        }
        
        Object crossSection = providers.get(0)
            .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA, null, context);

        WaterLineArtifact winfo = (WaterLineArtifact)artifact;
        */
        // Find out whether we live in a duration curve context, there we would
        // provide only a single point.
        List<DataProvider> providers = context.
            getDataProvider("durationcurve");
        if (providers.size() < 1) {
            logger.debug("Could not find durationcurve data provider.");
            //return new Lines.LineData(new double[][] {}, 0d, 0d);
        }
        else {
        Object crossSection = providers.get(0)
            .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA, null, context);
        
        }
        
        StaticWKmsArtifact staticData =
            (StaticWKmsArtifact) artifact;
        //return staticData.getWKms(0);
        return new Point2D.Double(10d,180d);
    }


    /**
     * Create a deep copy of this Facet.
     * @return a deep copy.
     */
    @Override
    public RelativePointFacet deepCopy() {
        RelativePointFacet copy = new RelativePointFacet(description);
        copy.set(this);
        return copy;
    }
}
// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :