/** 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.states;

import org.apache.commons.lang.math.DoubleRange;
import org.dive4elements.river.artifacts.model.WKms;

import gnu.trove.TDoubleArrayList;

/**
 * Represents a waterlevel fetched with the {@link WaterlevelFetcher}.
 *
 * @author Gernot Belger
 */
public class WaterlevelData {
    private final WKms wkms;

    private final String name;

    private final int year;

    /** If <code>true</code>, tabular export will show gauges for every station, else only for the first gauge */
    private final boolean showAllGauges;

    private final boolean showRefGauges;

    public WaterlevelData(final WKms wkms, final int year, final boolean showAllGauges, final boolean showRefGauges) {
        this(wkms.getName(), wkms, year, showAllGauges, showRefGauges);
    }

    private WaterlevelData(final String name, final WKms wkms, final int year, final boolean showAllGauges, final boolean showRefGauges) {
        this.name = name;
        this.wkms = wkms;
        this.year = year;
        this.showAllGauges = showAllGauges;
        this.showRefGauges = showRefGauges;
    }

    public WaterlevelData filterByRange(final double from, final double to) {
        if (Double.isNaN(from) || Double.isNaN(to)) {
            return this;
        }

        final WKms filteredWkms = this.wkms.filteredKms(from, to);
        return new WaterlevelData(this.name, filteredWkms, this.year, this.showAllGauges, this.showRefGauges);
    }

    public WaterlevelData withName(final String nameToSet) {
        return new WaterlevelData(nameToSet, this.wkms, this.year, this.showAllGauges, this.showRefGauges);
    }

    public String getName() {
        return this.name;
    }

    public WKms getWkms() {
        return this.wkms;
    }

    public boolean isShowAllGauges() {
        return this.showAllGauges;
    }

    public boolean isShowRefGauges() {
        return this.showRefGauges;
    }

    public int getYear() {
        return this.year;
    }

    public boolean covers(final DoubleRange simulationRange) {

        final TDoubleArrayList allKms = this.wkms.allKms();

        if (allKms.isEmpty())
            return false;

        final double min = allKms.min();
        if (min > simulationRange.getMaximumDouble())
            return false;

        final double max = allKms.max();
        if (max < simulationRange.getMinimumDouble())
            return false;

        return true;
    }
}