/* 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.Facet;
import org.dive4elements.artifacts.CallContext;

public final class FlowDepthProcessor extends AbstractSInfoLineProcessor<AbstractSInfoCalculationResult> {

    private static final String AXIS_LABEL = "sinfo.chart.flow_depth.section.yaxis.label";

    private static final String SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL = "sinfo.chart.flow_depth.yaxis.label";

    /* Theme name, usually defined in 'FacetTypes', but that is soooo bad dependencies... */
    // REMARK: these mustend with 'filtered' so extra handling happens in chart: point are always recalculated, because data
    // changes depending on zoom state

    /* flow depth */
    public static final String FACET_FLOW_DEPTH_FILTERED = "sinfo_facet_flow_depth.filtered";

    private static final String FACET_FLOW_DEPTH_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth.filtered.description";

    public static final String FACET_FLOW_DEPTH_RAW = "sinfo_facet_flow_depth";

    private static final String FACET_FLOW_DEPTH_RAW_DESCRIPTION = "sinfo.facet.flow_depth.raw.description";

    /* flow depth with tkh */
    private static final String FACET_FLOW_DEPTH_TKH_FILTERED = "sinfo_facet_flow_depth_with_tkh.filtered";

    private static final String FACET_FLOW_DEPTH_TKH_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_with_tkh.filtered.description";

    public static final String FACET_FLOW_DEPTH_TKH_RAW = "sinfo_facet_flow_depth_with_tkh";

    private static final String FACET_FLOW_DEPTH_TKH_RAW_DESCRIPTION = "sinfo.facet.flow_depth_with_tkh.raw.description";

    /* minimal flow depth */
    public static final String FACET_FLOW_DEPTH_MIN_FILTERED = "sinfo_facet_flow_depth_min.filtered";

    private static final String FACET_FLOW_DEPTH_MIN_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_min.filtered.description";

    public static final String FACET_FLOW_DEPTH_MIN_RAW = "sinfo_facet_flow_depth_min";

    private static final String FACET_FLOW_DEPTH_MIN_RAW_DESCRIPTION = "sinfo.facet.flow_depth_min.raw.description";

    /* maximal flow depth */
    public static final String FACET_FLOW_DEPTH_MAX_FILTERED = "sinfo_facet_flow_depth_max.filtered";

    private static final String FACET_FLOW_DEPTH_MAX_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_max.filtered.description";

    public static final String FACET_FLOW_DEPTH_MAX_RAW = "sinfo_facet_flow_depth_max";

    private static final String FACET_FLOW_DEPTH_MAX_RAW_DESCRIPTION = "sinfo.facet.flow_depth_max.raw.description";

    /* current flow depth */
    public static final String FACET_FLOW_DEPTH_CURRENT_FILTERED = "sinfo_facet_flow_depth_current.filtered";

    private static final String FACET_FLOW_DEPTH_CURRENT_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_current.filtered.description";

    public static final String FACET_FLOW_DEPTH_CURRENT_RAW = "sinfo_facet_flow_depth_current";

    private static final String FACET_FLOW_DEPTH_CURRENT_RAW_DESCRIPTION = "sinfo.facet.flow_depth_current.raw.description";

    /* historical flow depth */
    public static final String FACET_FLOW_DEPTH_HISTORICAL_FILTERED = "sinfo_facet_flow_depth_historical.filtered";

    private static final String FACET_FLOW_DEPTH_HISTORICAL_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth_historical.filtered.description";

    public static final String FACET_FLOW_DEPTH_HISTORICAL_RAW = "sinfo_facet_flow_depth_historical";

    private static final String FACET_FLOW_DEPTH_HISTORICAL_RAW_DESCRIPTION = "sinfo.facet.flow_depth_historical.raw.description";

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

    static {
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_RAW);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_TKH_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_TKH_RAW);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_MIN_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_MIN_RAW);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_MAX_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_MAX_RAW);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_CURRENT_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_CURRENT_RAW);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_HISTORICAL_FILTERED);
        HANDLED_FACET_TYPES.add(FACET_FLOW_DEPTH_HISTORICAL_RAW);
    }

    public FlowDepthProcessor() {
        super(AXIS_LABEL, HANDLED_FACET_TYPES);
    }

    @Override
    protected double[][] doGetPoints(final AbstractSInfoCalculationResult data, final String facetName) {

        if (FACET_FLOW_DEPTH_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepth);
        if (FACET_FLOW_DEPTH_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepth);

        if (FACET_FLOW_DEPTH_TKH_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthtkh);
        if (FACET_FLOW_DEPTH_TKH_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthtkh);

        if (FACET_FLOW_DEPTH_MIN_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthmin);
        if (FACET_FLOW_DEPTH_MIN_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthmin);

        if (FACET_FLOW_DEPTH_MAX_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthmax);
        if (FACET_FLOW_DEPTH_MAX_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthmax);

        if (FACET_FLOW_DEPTH_CURRENT_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthCurrent);
        if (FACET_FLOW_DEPTH_CURRENT_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthCurrent);

        if (FACET_FLOW_DEPTH_HISTORICAL_FILTERED.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthHistorical);
        if (FACET_FLOW_DEPTH_HISTORICAL_RAW.contentEquals(facetName))
            return data.getStationPoints(SInfoResultType.flowdepthHistorical);

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

    public static Facet createFlowDepthFilteredFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult result,
            final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_FILTERED,
                FACET_FLOW_DEPTH_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthRawFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult result,
            final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_RAW,
                FACET_FLOW_DEPTH_RAW_DESCRIPTION);
    }

    public static Facet createFlowDepthTkhFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_TKH_FILTERED,
                FACET_FLOW_DEPTH_TKH_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthTkhRawFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult result,
            final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_TKH_RAW,
                FACET_FLOW_DEPTH_TKH_RAW_DESCRIPTION);
    }

    public static Facet createFlowDepthMinFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_MIN_FILTERED,
                FACET_FLOW_DEPTH_MIN_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthMinRawFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult result,
            final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_MIN_RAW,
                FACET_FLOW_DEPTH_MIN_RAW_DESCRIPTION);
    }

    public static Facet createFlowDepthMaxFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_MAX_FILTERED,
                FACET_FLOW_DEPTH_MAX_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthMaxRawFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult result,
            final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_MAX_RAW,
                FACET_FLOW_DEPTH_MAX_RAW_DESCRIPTION);
    }

    public static Facet createFlowDepthCurrentFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_CURRENT_FILTERED,
                FACET_FLOW_DEPTH_CURRENT_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthCurrentRawFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_CURRENT_RAW,
                FACET_FLOW_DEPTH_CURRENT_RAW_DESCRIPTION);
    }

    public static Facet createFlowDepthHistoricalFilteredFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL,
                FACET_FLOW_DEPTH_HISTORICAL_FILTERED, FACET_FLOW_DEPTH_HISTORICAL_FILTERED_DESCRIPTION);
    }

    public static Facet createFlowDepthHistoricalRawFacet(final CallContext context, final String hash, final String id,
            final AbstractSInfoCalculationResult result, final int index) {
        return AbstractSInfoLineProcessor.createFacet(context, hash, id, result, index, SINFO_CHART_FLOW_DEPTH_YAXIS_LABEL, FACET_FLOW_DEPTH_HISTORICAL_RAW,
                FACET_FLOW_DEPTH_HISTORICAL_RAW_DESCRIPTION);
    }
}