/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
 * Software engineering by
 *  Björnsen Beratende Ingenieure GmbH
 *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
 *
 * 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.artifacts.sinfo.common;

import java.util.HashSet;
import java.util.Set;

import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
import org.dive4elements.artifactdatabase.state.Facet;
import org.dive4elements.artifacts.CallContext;
import org.dive4elements.artifacts.CallMeta;
import org.dive4elements.river.artifacts.common.AbstractCalculationResult;
import org.dive4elements.river.artifacts.common.AbstractProcessor;
import org.dive4elements.river.artifacts.resources.Resources;
import org.dive4elements.river.exports.DiagramGenerator;
import org.dive4elements.river.themes.ThemeDocument;

public final class FlowDepthWaterlevelProcessor extends AbstractProcessor {

    /* waterlevel */
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT_MIN = "sinfo_facet_flow_depth_bedheight_min";
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT_MAX = "sinfo_facet_flow_depth_bedheight_max";
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT = "sinfo_facet_flow_depth_bedheight";
    public static final String FACET_FLOW_DEPTH_WATER_LEVEL = "sinfo_facet_flow_depth_waterlevel";
    public static final String FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL = "chart.longitudinal.section.yaxis.label";
    public static final String FACET_FLOW_DEPTH_WATER_LEVEL_DESCRIPTION = "facet.flow_depth.waterlevel";
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION = "facet.flow_depth.bedheight";
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION_MIN = "facet.flow_depth.bedheight.min";
    public static final String FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION_MAX = "facet.flow_depth.bedheight.max";

    private static final Set<String> HANDLED_FACET_TYPES = new HashSet<>();

    static {
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_WATER_LEVEL);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_BEDHEIGHT);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_BEDHEIGHT_MIN);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_BEDHEIGHT_MAX);
    }

    public FlowDepthWaterlevelProcessor() {
        super(FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL, HANDLED_FACET_TYPES);
    }

    protected SInfoResultType doGetType(final String facetName) {

        if (FACET_FLOW_DEPTH_WATER_LEVEL.contentEquals(facetName))
            return SInfoResultType.waterlevel;
        if (FACET_FLOW_DEPTH_BEDHEIGHT.contentEquals(facetName))
            return SInfoResultType.meanBedHeight;
        if (FACET_FLOW_DEPTH_BEDHEIGHT_MIN.contentEquals(facetName))
            return SInfoResultType.minBedHeight;
        if (FACET_FLOW_DEPTH_BEDHEIGHT_MAX.contentEquals(facetName))
            return SInfoResultType.maxBedHeight;

        final String error = String.format("Unknown facet name: %s", facetName);
        throw new UnsupportedOperationException(error);
    }

    private static Facet createFlowDepthBedheightFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index, final String unit, final String facetLabel, final String facetName, final String description) {
        final CallMeta meta = context.getMeta();
        final String yAxisLabel = Resources.getMsg(meta, FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL, FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL, unit);

        return AbstractProcessor.createFacet(context, hash, id, result, index, yAxisLabel, facetName, description, facetLabel);
    }

    public static Facet createFlowDepthMeanBedheightFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index, final String unit, final String facetLabel) {
        return FlowDepthWaterlevelProcessor.createFlowDepthBedheightFacet(context, hash, id, result, index, unit, facetLabel, FACET_FLOW_DEPTH_BEDHEIGHT,
                FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION);
    }

    public static Facet createFlowDepthMinBedheightFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index, final String unit, final String facetLabel) {
        return FlowDepthWaterlevelProcessor.createFlowDepthBedheightFacet(context, hash, id, result, index, unit, facetLabel, FACET_FLOW_DEPTH_BEDHEIGHT_MIN,
                FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION_MIN);
    }

    public static Facet createFlowDepthMaxBedheightFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index, final String unit, final String facetLabel) {
        return FlowDepthWaterlevelProcessor.createFlowDepthBedheightFacet(context, hash, id, result, index, unit, facetLabel, FACET_FLOW_DEPTH_BEDHEIGHT_MAX,
                FACET_FLOW_DEPTH_BEDHEIGHT_DESCRIPTION_MAX);
    }

    public static Facet createFlowDepthWaterlevelFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index, final String unit, final String wstLabel) {
        final CallMeta meta = context.getMeta();
        final String yAxisLabel = Resources.getMsg(meta, FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL, FACET_FLOW_DEPTH_WATER_LEVEL_Y_AXIS_LABEL, unit);
        return AbstractProcessor.createFacet(context, hash, id, result, index, yAxisLabel, FACET_FLOW_DEPTH_WATER_LEVEL,
                FACET_FLOW_DEPTH_WATER_LEVEL_DESCRIPTION, wstLabel);
    }

    @Override
    protected String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {

        return buildSeriesForType(generator, bundle, theme, visible, doGetType(bundle.getFacetName()), GAP_DISTANCE);
    }
}