/FileExtraction/Java_unseen/Wind-Development_WindSpigot/WindSpigot-Server/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
package org.bukkit.craftbukkit.block;

import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.Sign;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.util.CraftChatMessage;

import net.minecraft.server.ChatComponentText;
import net.minecraft.server.IChatBaseComponent;
import net.minecraft.server.TileEntitySign;

public class CraftSign extends CraftBlockState implements Sign {
	private final TileEntitySign sign;
	private final String[] lines;

	public CraftSign(final Block block) {
		super(block);

		CraftWorld world = (CraftWorld) block.getWorld();
		sign = (TileEntitySign) world.getTileEntityAt(getX(), getY(), getZ());
		// Spigot start
		if (sign == null) {
			lines = new String[] { "", "", "", "" };
			return;
		}
		// Spigot end
		lines = new String[sign.lines.length];
		System.arraycopy(revertComponents(sign.lines), 0, lines, 0, lines.length);
	}

	public CraftSign(final Material material, final TileEntitySign te) {
		super(material);
		sign = te;
		lines = new String[sign.lines.length];
		System.arraycopy(revertComponents(sign.lines), 0, lines, 0, lines.length);
	}

	@Override
	public String[] getLines() {
		return lines;
	}

	@Override
	public String getLine(int index) throws IndexOutOfBoundsException {
		return lines[index];
	}

	@Override
	public void setLine(int index, String line) throws IndexOutOfBoundsException {
		lines[index] = line;
	}

	@Override
	public boolean update(boolean force, boolean applyPhysics) {
		boolean result = super.update(force, applyPhysics);

		if (result) {
			IChatBaseComponent[] newLines = sanitizeLines(lines);
			System.arraycopy(newLines, 0, sign.lines, 0, 4);
			sign.update();
		}

		return result;
	}

	public static IChatBaseComponent[] sanitizeLines(String[] lines) {
		IChatBaseComponent[] components = new IChatBaseComponent[4];

		for (int i = 0; i < 4; i++) {
			if (i < lines.length && lines[i] != null) {
				components[i] = CraftChatMessage.fromString(lines[i])[0];
			} else {
				components[i] = new ChatComponentText("");
			}
		}

		return components;
	}

	public static String[] revertComponents(IChatBaseComponent[] components) {
		String[] lines = new String[components.length];
		for (int i = 0; i < lines.length; i++) {
			lines[i] = revertComponent(components[i]);
		}
		return lines;
	}

	private static String revertComponent(IChatBaseComponent component) {
		return CraftChatMessage.fromComponent(component);
	}

	@Override
	public TileEntitySign getTileEntity() {
		return sign;
	}
}
