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);
    }

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

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

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

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