package net.minecraft.core;

import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import net.minecraft.Util;
import net.minecraft.util.StringRepresentable;

public enum FrontAndTop implements StringRepresentable {
	DOWN_EAST("down_east", Direction.DOWN, Direction.EAST),
	DOWN_NORTH("down_north", Direction.DOWN, Direction.NORTH),
	DOWN_SOUTH("down_south", Direction.DOWN, Direction.SOUTH),
	DOWN_WEST("down_west", Direction.DOWN, Direction.WEST),
	UP_EAST("up_east", Direction.UP, Direction.EAST),
	UP_NORTH("up_north", Direction.UP, Direction.NORTH),
	UP_SOUTH("up_south", Direction.UP, Direction.SOUTH),
	UP_WEST("up_west", Direction.UP, Direction.WEST),
	WEST_UP("west_up", Direction.WEST, Direction.UP),
	EAST_UP("east_up", Direction.EAST, Direction.UP),
	NORTH_UP("north_up", Direction.NORTH, Direction.UP),
	SOUTH_UP("south_up", Direction.SOUTH, Direction.UP);

	private static final Int2ObjectMap<FrontAndTop> LOOKUP_TOP_FRONT = Util.make(new Int2ObjectOpenHashMap<>(values().length), int2ObjectOpenHashMap -> {
		for (FrontAndTop frontAndTop : values()) {
			int2ObjectOpenHashMap.put(lookupKey(frontAndTop.front, frontAndTop.top), frontAndTop);
		}
	});
	private final String name;
	private final Direction top;
	private final Direction front;

	private static int lookupKey(Direction front, Direction top) {
		return top.ordinal() << 3 | front.ordinal();
	}

	private FrontAndTop(final String name, final Direction front, final Direction top) {
		this.name = name;
		this.front = front;
		this.top = top;
	}

	@Override
	public String getSerializedName() {
		return this.name;
	}

	public static FrontAndTop fromFrontAndTop(Direction front, Direction top) {
		int i = lookupKey(front, top);
		return LOOKUP_TOP_FRONT.get(i);
	}

	public Direction front() {
		return this.front;
	}

	public Direction top() {
		return this.top;
	}
}