package com.github.dtschust.zork.types;

import java.util.EnumSet;
import java.util.Optional;

public enum ZorkDirection {
    NORTH("north", "n"),
    EAST("east", "e"),
    SOUTH("south", "s"),
    WEST("west", "w");

    private final String longName;
    private final String shortName;

    ZorkDirection(final String longName, final String shortName) {
        this.longName = longName;
        this.shortName = shortName;
    }

    public static Optional<ZorkDirection> fromShort(final String shortName) {
        return EnumSet.allOf(ZorkDirection.class).stream()
                .filter(e -> e.shortName.equals(shortName))
                .findFirst();
    }

    public static ZorkDirection fromLong(final String longName) {
        return EnumSet.allOf(ZorkDirection.class).stream()
                .filter(e -> e.longName.equals(longName))
                .findFirst()
                .orElseThrow(() -> new IllegalArgumentException(longName + " is not a valid direction long name"));
    }
}