package foundation.capacity.role;

import java.util.Comparator;

import foundation.dao.preload.Node;
import foundation.json.IJSONProvider;
import foundation.json.IJSONWriter;
import foundation.menu.Menu;


public class RoleMenu extends Node implements IJSONProvider, Comparator<Node> {

	private Menu menu;
	
	public RoleMenu(Menu menu) {
		this.menu = new Menu();
		this.menu.copyFrom(menu);
	}

	@Override
	public Comparator<Node> createComparator() {
		return this;
	}

	@Override
	public int compare(Node one, Node another) {
		int result = ((RoleMenu) one).menu.getOrderNo() - ((RoleMenu) another).menu.getOrderNo();
		return result;
	}

	@Override
	public String getId() {
		return menu.getId();
	}

	@Override
	public String getParentId() {
		return menu.getParentId();
	}
	
	@Override
	public void writeJSON(IJSONWriter writer) {
		writer.beginObject();
		writeJSONBody(writer);
		writer.endObject();		
	}

	@Override
	public void writeJSONBody(IJSONWriter writer) {
		menu.writeJSONBody(writer);
		
		if (!children.isEmpty()) {
			writer.beginArray("children");
			
			for (Node child: children) {
				 child.writeJSON(writer);
			}
			
			writer.endArray();
		}
	}
}