package com.jotuntech.sketcher.server.command;

import java.nio.ByteBuffer;

import com.jotuntech.sketcher.common.User;
import com.jotuntech.sketcher.server.Command;
import com.jotuntech.sketcher.server.Connection;
import com.jotuntech.sketcher.server.Server;

public class SetColorCommand implements Command {
	static boolean firstWhite = true;
	int color;

	public SetColorCommand() {
	}

	public SetColorCommand(int color) {
		this.color = color;
	}

	public int perform(Server server, Connection connection) {
		return perform(connection.getUser()) ? Connection.SEND_OTHERS : Connection.SEND_NONE;
	}

	private boolean perform(User user) {
		if(user == null) {
			/** Signed in users only */
			return false;
		}

		if(user.isViewer()) {
			return false;
		}

		user.setColor(color);

		return true;
	}

	public void decode(ByteBuffer in) {
		color = in.getInt();
	}

	public void encode(ByteBuffer out) {
		out.putInt(color);
	}

}