package org.bukkit.material;

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

/**
 * MaterialData for signs
 */
public class Sign extends MaterialData implements Attachable
{
	public Sign()
	{
		super(Material.SIGN_POST);
	}

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

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

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

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

	/**
	 * Check if this sign is attached to a wall
	 *
	 * @return true if this sign is attached to a wall, false if set on top of
	 * a block
	 */
	public boolean isWallSign()
	{
		return getItemType() == Material.WALL_SIGN;
	}

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

			switch(data)
			{
			case 0x2:
				return BlockFace.SOUTH;

			case 0x3:
				return BlockFace.NORTH;

			case 0x4:
				return BlockFace.EAST;

			case 0x5:
				return BlockFace.WEST;
			}

			return null;
		}
		else
		{
			return BlockFace.DOWN;
		}
	}

	/**
	 * Gets the direction that this sign is currently facing
	 *
	 * @return BlockFace indicating where this sign is facing
	 */
	public BlockFace getFacing()
	{
		byte data = getData();

		if(!isWallSign())
		{
			switch(data)
			{
			case 0x0:
				return BlockFace.SOUTH;

			case 0x1:
				return BlockFace.SOUTH_SOUTH_WEST;

			case 0x2:
				return BlockFace.SOUTH_WEST;

			case 0x3:
				return BlockFace.WEST_SOUTH_WEST;

			case 0x4:
				return BlockFace.WEST;

			case 0x5:
				return BlockFace.WEST_NORTH_WEST;

			case 0x6:
				return BlockFace.NORTH_WEST;

			case 0x7:
				return BlockFace.NORTH_NORTH_WEST;

			case 0x8:
				return BlockFace.NORTH;

			case 0x9:
				return BlockFace.NORTH_NORTH_EAST;

			case 0xA:
				return BlockFace.NORTH_EAST;

			case 0xB:
				return BlockFace.EAST_NORTH_EAST;

			case 0xC:
				return BlockFace.EAST;

			case 0xD:
				return BlockFace.EAST_SOUTH_EAST;

			case 0xE:
				return BlockFace.SOUTH_EAST;

			case 0xF:
				return BlockFace.SOUTH_SOUTH_EAST;
			}

			return null;
		}
		else
		{
			return getAttachedFace().getOppositeFace();
		}
	}

	public void setFacingDirection(BlockFace face)
	{
		byte data;

		if(isWallSign())
		{
			switch(face)
			{
			case NORTH:
				data = 0x2;
				break;

			case SOUTH:
				data = 0x3;
				break;

			case WEST:
				data = 0x4;
				break;

			case EAST:
			default:
				data = 0x5;
			}
		}
		else
		{
			switch(face)
			{
			case SOUTH:
				data = 0x0;
				break;

			case SOUTH_SOUTH_WEST:
				data = 0x1;
				break;

			case SOUTH_WEST:
				data = 0x2;
				break;

			case WEST_SOUTH_WEST:
				data = 0x3;
				break;

			case WEST:
				data = 0x4;
				break;

			case WEST_NORTH_WEST:
				data = 0x5;
				break;

			case NORTH_WEST:
				data = 0x6;
				break;

			case NORTH_NORTH_WEST:
				data = 0x7;
				break;

			case NORTH:
				data = 0x8;
				break;

			case NORTH_NORTH_EAST:
				data = 0x9;
				break;

			case NORTH_EAST:
				data = 0xA;
				break;

			case EAST_NORTH_EAST:
				data = 0xB;
				break;

			case EAST:
				data = 0xC;
				break;

			case EAST_SOUTH_EAST:
				data = 0xD;
				break;

			case SOUTH_SOUTH_EAST:
				data = 0xF;
				break;

			case SOUTH_EAST:
			default:
				data = 0xE;
			}
		}

		setData(data);
	}

	@Override
	public String toString()
	{
		return super.toString() + " facing " + getFacing();
	}

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