package de.intevation.flys.artifacts.model.fixings;

import java.util.Collection;
import java.util.Date;
import java.util.TreeSet;

import de.intevation.flys.artifacts.model.Parameters;

import de.intevation.flys.utils.KMIndex;

public class FixAnalysisResult
extends      FixResult
{
    protected KMIndex<AnalysisPeriod []> analysisPeriods;

    public FixAnalysisResult() {
    }

    public FixAnalysisResult(
        Parameters                 parameters,
        KMIndex<QWD []>            referenced,
        KMIndex<QWI []>            outliers,
        KMIndex<AnalysisPeriod []> analysisPeriods
    ) {
        super(parameters, referenced, outliers);
        this.analysisPeriods = analysisPeriods;
    }

    public int getUsedSectorsInAnalysisPeriods() {
        int result = 0;
        for (KMIndex.Entry<AnalysisPeriod []> entry: analysisPeriods) {
            for (AnalysisPeriod period: entry.getValue()) {
                for (int i = 0; i < 4; ++i) {
                    result |= period.getQSectorAverage(i) != null
                        ? (1 << i)
                        : 0;
                }
                // XXX: Stop early on result == ~(~0 << 4)) ?
            }
        }
        return result;
    }

    public Collection<Date> getReferenceEventsDates() {
        TreeSet<Date> dates = new TreeSet<Date>();
        for (KMIndex.Entry<QWD []> entry: referenced) {
            QWD [] values = entry.getValue();
            for (int i = 0; i < values.length; i++) {
                dates.add(values[i].date);
            }
        }
        return dates;
    }

    public Collection<Date> getAnalysisEventsDates(int analysisPeriod) {
        TreeSet<Date> dates = new TreeSet<Date>();
        for (KMIndex.Entry<AnalysisPeriod []> entry: analysisPeriods) {
            QWD [] qwds = entry.getValue()[analysisPeriod].getQWDs();
            if (qwds == null) {
                continue;
            }
            for (int i = 0; i < qwds.length; i++) {
                dates.add(qwds[i].date);
            }
        }
        return dates;
    }

    public KMIndex<AnalysisPeriod []> getAnalysisPeriods() {
        return analysisPeriods;
    }

    public void setAnalysisPeriods(KMIndex<AnalysisPeriod []> analysisPeriods) {
        this.analysisPeriods = analysisPeriods;
    }
}
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