package org.bukkit.material;

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

/**
 * Represents minecart rails.
 */
public class Rails extends MaterialData
{

	public Rails()
	{
		super(Material.RAILS);
	}

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

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

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

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

	/**
	 * @return the whether this track is set on a slope
	 */
	public boolean isOnSlope()
	{
		byte d = getConvertedData();

		return (d == 0x2 || d == 0x3 || d == 0x4 || d == 0x5);
	}

	/**
	 * @return the whether this track is set as a curve
	 */
	public boolean isCurve()
	{
		byte d = getConvertedData();

		return (d == 0x6 || d == 0x7 || d == 0x8 || d == 0x9);
	}

	/**
	 * @return the direction these tracks are set
	 * <p>
	 * Note that tracks are bidirectional and that the direction returned
	 * is the ascending direction if the track is set on a slope. If it is
	 * set as a curve, the corner of the track is returned.
	 */
	public BlockFace getDirection()
	{
		byte d = getConvertedData();

		switch(d)
		{
		case 0x0:
		default:
			return BlockFace.SOUTH;

		case 0x1:
			return BlockFace.EAST;

		case 0x2:
			return BlockFace.EAST;

		case 0x3:
			return BlockFace.WEST;

		case 0x4:
			return BlockFace.NORTH;

		case 0x5:
			return BlockFace.SOUTH;

		case 0x6:
			return BlockFace.NORTH_WEST;

		case 0x7:
			return BlockFace.NORTH_EAST;

		case 0x8:
			return BlockFace.SOUTH_EAST;

		case 0x9:
			return BlockFace.SOUTH_WEST;
		}
	}

	@Override
	public String toString()
	{
		return super.toString() + " facing " + getDirection() + (isCurve() ? " on a curve" : (isOnSlope() ? " on a slope" : ""));
	}

	/**
	 * Return the data without the extended properties used by {@link
	 * PoweredRail} and {@link DetectorRail}. Overridden in {@link
	 * ExtendedRails}
	 *
	 * @return the data without the extended part
	 * @deprecated Magic value
	 */
	@Deprecated
	protected byte getConvertedData()
	{
		return getData();
	}

	/**
	 * Set the direction of these tracks
	 * <p>
	 * Note that tracks are bidirectional and that the direction returned is
	 * the ascending direction if the track is set on a slope. If it is set as
	 * a curve, the corner of the track should be supplied.
	 *
	 * @param face      the direction the track should be facing
	 * @param isOnSlope whether or not the track should be on a slope
	 */
	public void setDirection(BlockFace face, boolean isOnSlope)
	{
		switch(face)
		{
		case EAST:
			setData((byte) (isOnSlope ? 0x2 : 0x1));
			break;

		case WEST:
			setData((byte) (isOnSlope ? 0x3 : 0x1));
			break;

		case NORTH:
			setData((byte) (isOnSlope ? 0x4 : 0x0));
			break;

		case SOUTH:
			setData((byte) (isOnSlope ? 0x5 : 0x0));
			break;

		case NORTH_WEST:
			setData((byte) 0x6);
			break;

		case NORTH_EAST:
			setData((byte) 0x7);
			break;

		case SOUTH_EAST:
			setData((byte) 0x8);
			break;

		case SOUTH_WEST:
			setData((byte) 0x9);
			break;
		}
	}

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