package org.bukkit.material;

import org.bukkit.Material;
import org.bukkit.block.BlockFace;

/**
 * Represents a lever
 */
public class Lever extends SimpleAttachableMaterialData implements Redstone
{
	public Lever()
	{
		super(Material.LEVER);
	}

	/**
	 * @deprecated Magic value
	 */
	@Deprecated
	public Lever(final int type)
	{
		super(type);
	}

	public Lever(final Material type)
	{
		super(type);
	}

	/**
	 * @deprecated Magic value
	 */
	@Deprecated
	public Lever(final int type, final byte data)
	{
		super(type, data);
	}

	/**
	 * @deprecated Magic value
	 */
	@Deprecated
	public Lever(final Material type, final byte data)
	{
		super(type, data);
	}

	/**
	 * Gets the current state of this Material, indicating if it's powered or
	 * unpowered
	 *
	 * @return true if powered, otherwise false
	 */
	public boolean isPowered()
	{
		return (getData() & 0x8) == 0x8;
	}

	/**
	 * Set this lever to be powered or not.
	 *
	 * @param isPowered whether the lever should be powered or not
	 */
	public void setPowered(boolean isPowered)
	{
		setData((byte) (isPowered ? (getData() | 0x8) : (getData() & ~0x8)));
	}

	/**
	 * Gets the face that this block is attached on
	 *
	 * @return BlockFace attached to
	 */
	public BlockFace getAttachedFace()
	{
		byte data = (byte) (getData() & 0x7);

		switch(data)
		{
		case 0x1:
			return BlockFace.WEST;

		case 0x2:
			return BlockFace.EAST;

		case 0x3:
			return BlockFace.NORTH;

		case 0x4:
			return BlockFace.SOUTH;

		case 0x5:
		case 0x6:
			return BlockFace.DOWN;

		case 0x0:
		case 0x7:
			return BlockFace.UP;

		}

		return null;
	}

	/**
	 * Sets the direction this lever is pointing in
	 */
	public void setFacingDirection(BlockFace face)
	{
		byte data = (byte) (getData() & 0x8);
		BlockFace attach = getAttachedFace();

		if(attach == BlockFace.DOWN)
		{
			switch(face)
			{
			case SOUTH:
			case NORTH:
				data |= 0x5;
				break;

			case EAST:
			case WEST:
				data |= 0x6;
				break;
			}
		}
		else if(attach == BlockFace.UP)
		{
			switch(face)
			{
			case SOUTH:
			case NORTH:
				data |= 0x7;
				break;

			case EAST:
			case WEST:
				data |= 0x0;
				break;
			}
		}
		else
		{
			switch(face)
			{
			case EAST:
				data |= 0x1;
				break;

			case WEST:
				data |= 0x2;
				break;

			case SOUTH:
				data |= 0x3;
				break;

			case NORTH:
				data |= 0x4;
				break;
			}
		}
		setData(data);
	}

	@Override
	public String toString()
	{
		return super.toString() + " facing " + getFacing() + " " + (isPowered() ? "" : "NOT ") + "POWERED";
	}

	@Override
	public Lever clone()
	{
		return (Lever) super.clone();
	}
}