package eu.crushedpixel.replaymod.utils;

import java.math.BigDecimal;
import java.math.RoundingMode;

public class RoundUtils {

    public static int roundToMultiple(int value, int snap) {
        return Math.max(snap, (int)Math.round((float)value/snap) * snap);
    }

    public static double round2Decimals(double val) {
        return round(val, 2);
    }

    public static double round(double value, int places) {
        if (places < 0) throw new IllegalArgumentException();

        BigDecimal bd = new BigDecimal(value);
        bd = bd.setScale(places, RoundingMode.HALF_UP);
        return bd.doubleValue();
    }

    public static int getClosestInt(int base, int[] snap) {
        int min = Integer.MAX_VALUE;
        int closest = base;

        for (int v : snap) {
            final int diff = Math.abs(v - base);

            if (diff < min) {
                min = diff;
                closest = v;
            }
        }

        return closest;
    }

}