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);
    }

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

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

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

    /**
     * @param type the type
     * @param data the raw data value
     * @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();
    }
}