/* 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.river.artifacts.common.AbstractCalculationResult;
import org.dive4elements.river.artifacts.common.AbstractProcessor;
import org.dive4elements.river.artifacts.common.ResultFacet;
import org.dive4elements.river.artifacts.resources.Resources;
import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
import org.dive4elements.river.exports.DiagramGenerator;
import org.dive4elements.river.themes.ThemeDocument;

public final class FlowDepthDevelopmentProcessor extends AbstractProcessor {

    private static final String I18N_AXIS_LABEL = "sinfo.chart.flow_depth_development.section.yaxis.label";

    private static final String SINFO_CHART_FLOW_DEPTH_DEVELOPMENT_YAXIS_LABEL = "sinfo.chart.flow_depth_development.yaxis.label";

    /* Theme name, usually defined in 'FacetTypes', but that is soooo bad dependencies... */
    // REMARK: these must end with 'filtered' so extra handling happens in chart: point are always recalculated, because
    // data changes depending on zoom state
    public static final String FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED = "sinfo_facet_flow_depth_development.filtered";

    private static final String FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_development.filtered.description";

    public static final String FACET_FLOW_DEPTH_DEVELOPMENT_RAW = "sinfo_facet_flow_depth_development";

    private static final String FACET_FLOW_DEPTH_DEVELOPMENT_RAW_DESCRIPTION = "sinfo.facet.flow_depth_development.raw.description";

    public static final String FACET_WATERLEVEL_DIFFERENCE_FILTERED = "sinfo_facet_waterlevel_difference.filtered";

    private static final String FACET_WATERLEVEL_DIFFERENCE_FILTERED_DESCRIPTION = "sinfo.facet.waterlevel_difference.filtered.description";

    public static final String FACET_BEDHEIGHT_DIFFERENCE_FILTERED = "sinfo_facet_bedheight_difference.filtered";

    private static final String FACET_BEDHEIGHT_DIFFERENCE_FILTERED_DESCRIPTION = "sinfo.facet.bedheight_difference.filtered.description";

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

    static {
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_DEVELOPMENT_RAW);
        HANDLED_FACET_TYPES.add(FACET_WATERLEVEL_DIFFERENCE_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_BEDHEIGHT_DIFFERENCE_FILTERED);
    }

    public FlowDepthDevelopmentProcessor() {
        super(I18N_AXIS_LABEL, HANDLED_FACET_TYPES);
    }

    private SInfoResultType doGetType(final String facetName) {

        if (FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED.contentEquals(facetName))
            return SInfoResultType.flowdepthDevelopment;
        if (FACET_FLOW_DEPTH_DEVELOPMENT_RAW.contentEquals(facetName))
            return SInfoResultType.flowdepthDevelopment;

        if (FACET_WATERLEVEL_DIFFERENCE_FILTERED.contentEquals(facetName))
            return SInfoResultType.waterlevelDifference;

        if (FACET_BEDHEIGHT_DIFFERENCE_FILTERED.contentEquals(facetName))
            return SInfoResultType.bedHeightDifference;

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

    public static Facet createFlowDepthDevelopmentFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractCalculationResult result, final int index) {
        return AbstractProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_DEVELOPMENT_YAXIS_LABEL,
                FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED, FACET_FLOW_DEPTH_DEVELOPMENT_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthDevelopmentRawFacet(final CallContext context, final String hash, final String id,
            final AbstractCalculationResult result, final int index) {
        return AbstractProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_DEVELOPMENT_YAXIS_LABEL,
                FACET_FLOW_DEPTH_DEVELOPMENT_RAW, FACET_FLOW_DEPTH_DEVELOPMENT_RAW_DESCRIPTION);
    }

    public static Facet createWaterlevelDifferenceFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index) {
        final String facetFlowDepthTkhFilteredDescription = Resources.getMsg(context.getMeta(), FACET_WATERLEVEL_DIFFERENCE_FILTERED_DESCRIPTION,
                FACET_WATERLEVEL_DIFFERENCE_FILTERED_DESCRIPTION, result.getLabel());
        return new ResultFacet(index, FACET_WATERLEVEL_DIFFERENCE_FILTERED, facetFlowDepthTkhFilteredDescription,
                SINFO_CHART_FLOW_DEPTH_DEVELOPMENT_YAXIS_LABEL, ComputeType.ADVANCE, id, hash);
    }

    public static Facet createBedHeightDifferenceFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
            final int index) {

        final String facetFlowDepthFilteredDescription = Resources.getMsg(context.getMeta(), FACET_BEDHEIGHT_DIFFERENCE_FILTERED_DESCRIPTION,
                FACET_BEDHEIGHT_DIFFERENCE_FILTERED_DESCRIPTION, result.getLabel());
        return new ResultFacet(index, FACET_BEDHEIGHT_DIFFERENCE_FILTERED, facetFlowDepthFilteredDescription,
                SINFO_CHART_FLOW_DEPTH_DEVELOPMENT_YAXIS_LABEL, ComputeType.ADVANCE, id, hash);
    }

    @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);
    }
}