package com.jotuntech.sketcher.client.command;

import java.nio.ByteBuffer;

import com.jotuntech.sketcher.client.Client;
import com.jotuntech.sketcher.client.Command;
import com.jotuntech.sketcher.client.Connection;
import com.jotuntech.sketcher.common.BitmapLayer;
import com.jotuntech.sketcher.common.Layer;
import com.jotuntech.sketcher.common.User;

public class CreateLayerCommand implements Command {
	int layerKey;
	int type;
	String name;

	public CreateLayerCommand() {

	}

	public CreateLayerCommand(int layerKey, int type, String name) {
		this.layerKey = layerKey;
		this.type = type;
		this.name = name;
	}

	public int perform(Client client, User user) {
		Layer l = new BitmapLayer(name);
		client.getCanvas().getLayerMap().put(layerKey, l);

		if(user != null) {
			client.getUserInterface().println(user.getName() + " created layer " + l.getName());
		}

		return Connection.SEND_ALL;
	}

	public void decode(ByteBuffer in) {
		layerKey = in.getInt();
		type = in.get();
		StringBuffer nameBuffer = new StringBuffer();
		while(in.remaining() >= 2) {
			nameBuffer.append(in.getChar());
		}
		name = nameBuffer.toString();
	}

	public void encode(ByteBuffer out) {
		out.putInt(layerKey);
		out.put((byte) type);
		for(int i = 0; i < name.length(); i++) {
			out.putChar(name.charAt(i));
		}
	}

}