package de.intevation.flys.artifacts;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;
import org.w3c.dom.Document;

import de.intevation.artifactdatabase.state.DefaultOutput;
import de.intevation.artifactdatabase.state.Facet;
import de.intevation.artifactdatabase.state.FacetActivity;
import de.intevation.artifacts.ArtifactFactory;
import de.intevation.artifacts.Artifact;
import de.intevation.artifacts.CallMeta;
import de.intevation.artifacts.common.utils.XMLUtils;
import de.intevation.flys.artifacts.model.minfo.BedHeight;
import de.intevation.flys.artifacts.model.minfo.BedHeightFacet;
import de.intevation.flys.artifacts.model.minfo.BedHeightFactory;
import de.intevation.flys.artifacts.states.StaticState;
import de.intevation.flys.model.BedHeightSingle;
import de.intevation.flys.model.BedHeightSingleValue;

public class BedHeightsArtifact
extends      AbstractStaticStateArtifact
{
    /** The logger for this class. */
    private static Logger logger =
        Logger.getLogger(BedHeightsArtifact.class);

    private static final String NAME = "bedheights";
    private static final String STATIC_FACET_NAME = "bedheight";

    static {
        // TODO: Move to configuration.
        FacetActivity.Registry.getInstance()
            .register(NAME, FacetActivity.INACTIVE);
    }

    public static final String STATIC_STATE_NAME =
        "state.additional_bedheights.static";

    /** Data Item name to know whether we are Heighmarks and reveive
     * some data slightly different. */
    public static final String DATA_HEIGHT_TYPE =
        "height_marks";

    /**
     * Trivial Constructor.
     */
    public BedHeightsArtifact() {
        logger.debug("BedHeightsArtifact.BedHeightsArtifact");
    }

    @Override
    public String getName() {
        return NAME;
    }

    /**
     * Gets called from factory, to set things up.
     */
    @Override
    public void setup(
        String          identifier,
        ArtifactFactory factory,
        Object          context,
        CallMeta        callMeta,
        Document        data)
    {
        logger.debug("BedHeightsArtifact.setup");

        if (logger.isDebugEnabled()) {
            logger.debug(XMLUtils.toString(data));
        }

        String code = getDatacageIDValue(data);

        if (code != null) {
            String [] parts = code.split("-");

            if (parts.length >= 4) {
                String name = parts[0];
                String type = parts[1];
                String btype = type;
                int hId = Integer.parseInt(parts[2]);
                if (name.equals("bedheight")) {
                    addStringData("type", type);
                    addStringData("height_id", parts[2]);
                    addStringData("time", parts[3]);
                }
                if (type.equals("singlevalues")) {
                    btype = "single";
                }

                String bedHName = BedHeightFactory.getHeightName(btype, hId);

                Facet facet = new BedHeightFacet(
                        STATIC_FACET_NAME, bedHName, type);

                ArrayList<Facet> facets = new ArrayList<Facet>(1);
                facets.add(facet);

                addFacets(STATIC_STATE_NAME, facets);
            }
        }
        super.setup(identifier, factory, context, callMeta, data);
    }

    /**
     */
    public BedHeight getHeight() {
        return BedHeightFactory.getHeight(
            getDataAsString("type"),
            Integer.parseInt(getDataAsString("height_id")),
            Integer.parseInt(getDataAsString("time")));
    }

    public List<BedHeightSingleValue> getSingleValues() {
        logger.debug("getSingleValues");
        BedHeightSingle single = BedHeightSingle.getBedHeightSingleById(
                getDataAsInteger("height_id"));
        return BedHeightSingleValue.getBedHeightSingleValues(single,
                getDataAsDouble("ld_from"),
                getDataAsDouble("ld_to"));
    }

    @Override
    protected void initStaticState() {

        logger.debug("initStaticState " + getName() + " " + identifier());

        StaticState state = new StaticState(STATIC_STATE_NAME);
        DefaultOutput output = new DefaultOutput(
                "general",
                "general",
                "image/png",
                "chart");

        List<Facet> facets = getFacets(STATIC_STATE_NAME);
        output.addFacets(facets);
        state.addOutput(output);

        setStaticState(state);
    }

    @Override
    protected void initialize(Artifact artifact, Object context, CallMeta meta) {
        // do not clone facets, etc. from master artifact

        logger.debug("initialize");
        importData((FLYSArtifact)artifact, "ld_from");
        importData((FLYSArtifact)artifact, "ld_to");

        logger.debug("ld_from " + getDataAsString("ld_from"));
        logger.debug("ld_to " + getDataAsString("ld_to"));
    }
}
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