package org.lucares.utils;

import java.time.temporal.ChronoUnit;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalAdjuster;

public class EndOfInterval implements TemporalAdjuster {

    private final DateBucketUnit unit;

    public EndOfInterval(final DateBucketUnit unit) {
        this.unit = unit;
    }

    @Override
    public Temporal adjustInto(final Temporal temporal) {
        Temporal result = temporal;
        final BeginningOfNextInterval beginningOfnextInterval = new BeginningOfNextInterval(unit);
        result = result.with(beginningOfnextInterval);

        result = result.minus(1, ChronoUnit.NANOS);
        return result;
    }

}