package de.intevation.flys.artifacts.states;

import java.util.List;

import org.apache.log4j.Logger;

import de.intevation.artifacts.CallContext;

import de.intevation.artifactdatabase.state.DefaultFacet;
import de.intevation.artifactdatabase.state.Facet;

import de.intevation.flys.artifacts.FLYSArtifact;
import de.intevation.flys.artifacts.WINFOArtifact;
import de.intevation.flys.artifacts.model.ComputeCallback;
import de.intevation.flys.artifacts.model.ComputeCallbackAdapter;
import de.intevation.flys.artifacts.model.FacetTypes;
import de.intevation.flys.artifacts.model.WQKms;
import de.intevation.flys.artifacts.model.WQCKms;

public class DischargeLongitudinalSection
extends      DefaultState
implements   FacetTypes
{
    private static Logger logger =
        Logger.getLogger(DischargeLongitudinalSection.class);


    @Override
    public ComputeCallback createComputeCallback(
        String hash, FLYSArtifact flys)
    {
        final WINFOArtifact winfo = (WINFOArtifact) flys;

        return new ComputeCallbackAdapter() {

            @Override
            public Object computeAdvance(
                CallContext context,
                List<Facet> facets)
            {
                WQKms res[] = winfo.getDischargeLongitudinalSectionData();

                if (res == null) {
                    logger.debug("No results given.");
                    return null;
                }

                for (int i = 0; i < res.length; i++) {
                    String nameW = null;
                    String nameQ = null;

                    if (winfo.isQ()) {
                        nameQ = res[i].getName();
                        nameW = "W(" + nameQ + ")";
                    }
                    else {
                        nameW = res[i].getName();
                        nameQ = "Q(" + nameQ + ")";
                    }

                    Facet w = new DefaultFacet(
                        i, DISCHARGE_LONGITUDINAL_W, nameW);

                    Facet q = new DefaultFacet(
                        i, DISCHARGE_LONGITUDINAL_Q, nameQ);

                    facets.add(w);
                    facets.add(q);

                    if (res[i] instanceof WQCKms) {
                        // TODO DO i18n

                        String nameC = nameW.replace(
                            "Benutzerdefiniert",
                            "Benutzerdefiniert [korrigiert]");

                        Facet c = new DefaultFacet(
                            i, DISCHARGE_LONGITUDINAL_C, nameC);

                        facets.add(c);
                    }
                }

                return res;
            }
        };

    }
}
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