package de.intevation.flys.artifacts.model.sq;

import org.apache.log4j.Logger;

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

import de.intevation.flys.artifacts.FLYSArtifact;
import de.intevation.flys.artifacts.model.CalculationResult;
import de.intevation.flys.artifacts.model.DataFacet;
import de.intevation.flys.artifacts.model.FacetTypes;
import de.intevation.flys.artifacts.states.DefaultState.ComputeType;


/**
 * Facet to show the outliers in a sq relation.
 *
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public class SQMeasurementFacet extends DataFacet implements FacetTypes {

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


    private int fractionIdx;


    public SQMeasurementFacet() {
    }


    public SQMeasurementFacet(
        int    idx,
        int    fractionIdx,
        String name,
        String description,
        String hash,
        String stateId
    ) {
        super(idx, name, description, ComputeType.ADVANCE, hash, stateId);
        this.fractionIdx = fractionIdx;
    }


    @Override
    public Object getData(Artifact artifact, CallContext context) {
        log.debug("SQMeasurementFacet.getData");

        if (!(artifact instanceof FLYSArtifact)) {
            return null;
        }

        FLYSArtifact flys = (FLYSArtifact) artifact;

        CalculationResult res = (CalculationResult) flys.compute(
            context, ComputeType.ADVANCE, false);

        SQResult[]       result  = (SQResult[]) res.getData();
        SQFractionResult fResult = result[index].getFraction(fractionIdx);

        return fResult.getMeasurements();
    }


    @Override
    public SQMeasurementFacet deepCopy() {
        SQMeasurementFacet copy = new SQMeasurementFacet();
        copy.set(this);

        return copy;
    }
}
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