/******************************************************************************
 * This program test the Duration class.
 * 
 * Copyright © 2021 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import java.util.HashMap;
import java.util.Map;
import org.pureprogrammer.Utils;

public class DurationClass {

    static class Duration {
// Internal representation is in seconds
        private double value;

        enum Unit {
            ns,μs,ms,SEC,MIN,HOUR,DAY,WEEK,MONTH,YEAR
        }

// Constructor
        public Duration() {
            value = 0;
        }

// getter
        public double getValue(final Unit unit) {
            double result = 0.;
            switch (unit) {
                case ns:
                    result = value * 1e9;
                    break;
                case μs:
                    result = value * 1e6;
                    break;
                case ms:
                    result = value * 1e3;
                    break;
                case SEC:
                    result = value;
                    break;
                case MIN:
                    result = value / 60.;
                    break;
                case HOUR:
                    result = value / 60. / 60.;
                    break;
                case DAY:
                    result = value / 60. / 60. / 24.;
                    break;
                case WEEK:
                    result = value / 60. / 60. / 24. / 7.;
                    break;
                case MONTH:
                    result = value / 60. / 60. / 24. / 30.4375;
                    break;
                case YEAR:
                    result = value / 60. / 60. / 24. / 365.25;
                    break;
            }
            return result;
        }

// setter
        public void setValue(double value, final Unit unit) {
            double result = 0.;
            switch (unit) {
                case ns:
                    result = value / 1e9;
                    break;
                case μs:
                    result = value / 1e6;
                    break;
                case ms:
                    result = value / 1e3;
                    break;
                case SEC:
                    result = value;
                    break;
                case MIN:
                    result = value * 60.;
                    break;
                case HOUR:
                    result = value * 60. * 60.;
                    break;
                case DAY:
                    result = value * 60. * 60. * 24.;
                    break;
                case WEEK:
                    result = value * 60. * 60. * 24. * 7.;
                    break;
                case MONTH:
                    result = value * 60. * 60. * 24. * 30.4375;
                    break;
                case YEAR:
                    result = value * 60. * 60. * 24. * 365.25;
                    break;
            }
            this.value = result;
        }
    }

    public static void main(String[] args) {
        Duration d = new Duration();
        d.setValue(1.23, Duration.Unit.SEC);
        System.out.println(Utils.format("{0:g} ns", d.getValue(Duration.Unit.ns)));
        System.out.println(Utils.format("{0:g} µs", d.getValue(Duration.Unit.μs)));
        System.out.println(Utils.format("{0:g} ms", d.getValue(Duration.Unit.ms)));
        System.out.println(Utils.format("{0:g} sec", d.getValue(Duration.Unit.SEC)));
        System.out.println(Utils.format("{0:g} min", d.getValue(Duration.Unit.MIN)));
        System.out.println(Utils.format("{0:g} hour", d.getValue(Duration.Unit.HOUR)));
        System.out.println(Utils.format("{0:g} day", d.getValue(Duration.Unit.DAY)));
        System.out.println(Utils.format("{0:g} week", d.getValue(Duration.Unit.WEEK)));
        System.out.println(Utils.format("{0:g} month", d.getValue(Duration.Unit.MONTH)));
        System.out.println(Utils.format("{0:g} year", d.getValue(Duration.Unit.YEAR)));
        System.out.println();

        d.setValue(1., Duration.Unit.YEAR);
        System.out.println(Utils.format("{0:g} ns", d.getValue(Duration.Unit.ns)));
        System.out.println(Utils.format("{0:g} µs", d.getValue(Duration.Unit.μs)));
        System.out.println(Utils.format("{0:g} ms", d.getValue(Duration.Unit.ms)));
        System.out.println(Utils.format("{0:g} sec", d.getValue(Duration.Unit.SEC)));
        System.out.println(Utils.format("{0:g} min", d.getValue(Duration.Unit.MIN)));
        System.out.println(Utils.format("{0:g} hour", d.getValue(Duration.Unit.HOUR)));
        System.out.println(Utils.format("{0:g} day", d.getValue(Duration.Unit.DAY)));
        System.out.println(Utils.format("{0:g} week", d.getValue(Duration.Unit.WEEK)));
        System.out.println(Utils.format("{0:g} month", d.getValue(Duration.Unit.MONTH)));
        System.out.println(Utils.format("{0:g} year", d.getValue(Duration.Unit.YEAR)));
        System.out.println();

        d.setValue(1., Duration.Unit.ns);
        System.out.println(Utils.format("{0:g} ns", d.getValue(Duration.Unit.ns)));
        System.out.println(Utils.format("{0:g} µs", d.getValue(Duration.Unit.μs)));
        System.out.println(Utils.format("{0:g} ms", d.getValue(Duration.Unit.ms)));
        System.out.println(Utils.format("{0:g} sec", d.getValue(Duration.Unit.SEC)));
        System.out.println(Utils.format("{0:g} min", d.getValue(Duration.Unit.MIN)));
        System.out.println(Utils.format("{0:g} hour", d.getValue(Duration.Unit.HOUR)));
        System.out.println(Utils.format("{0:g} day", d.getValue(Duration.Unit.DAY)));
        System.out.println(Utils.format("{0:g} week", d.getValue(Duration.Unit.WEEK)));
        System.out.println(Utils.format("{0:g} month", d.getValue(Duration.Unit.MONTH)));
        System.out.println(Utils.format("{0:g} year", d.getValue(Duration.Unit.YEAR)));
        System.out.println();

    }
}