package com.meta1203.testing;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public enum DayOfWeek {
    SUNDAY ("Sunday" , (byte)1),
    MONDAY ("Monday" , (byte)2),
    TUESDAY ("Tuesday" , (byte)4),
    WEDNESDAY ("Wednesday" , (byte)8),
    THURSDAY ("Thursday" , (byte)16),
    FRIDAY ("Friday" , (byte)32),
    SATURDAY ("Saturday" , (byte)64);

    private final String humanName;
    private final byte mask;

    DayOfWeek(String humanName, byte mask) {
        this.humanName = humanName;
        this.mask = mask;
    }

    public String humanName() {
        return humanName;
    }

    public byte mask() {
        return mask;
    }

    public static final List<DayOfWeek> ENTIRE_WEEK = Arrays.asList(DayOfWeek.SUNDAY, DayOfWeek.MONDAY, DayOfWeek.TUESDAY, DayOfWeek.WEDNESDAY, DayOfWeek.THURSDAY, DayOfWeek.FRIDAY, DayOfWeek.SATURDAY);

    public static List<DayOfWeek> getDaysOfWeek(byte input) {
        ArrayList<DayOfWeek> ret = new ArrayList<DayOfWeek>();

        if ((input & SUNDAY.mask) > 0) {
            ret.add(SUNDAY);
        }

        if ((input & MONDAY.mask) > 0) {
            ret.add(MONDAY);
        }

        if ((input & TUESDAY.mask) > 0) {
            ret.add(TUESDAY);
        }

        if ((input & WEDNESDAY.mask) > 0) {
            ret.add(WEDNESDAY);
        }

        if ((input & THURSDAY.mask) > 0) {
            ret.add(THURSDAY);
        }

        if ((input & FRIDAY.mask) > 0) {
            ret.add(FRIDAY);
        }

        if ((input & SATURDAY.mask) > 0) {
            ret.add(SATURDAY);
        }

        return ret;
    }

    public static byte serializeList(List<DayOfWeek> list) {
        byte ret = 0;

        for (DayOfWeek x : list ) {
            ret = (byte) (ret | x.mask);
        }

        return ret;
    }
}