package foundation.geography;

import foundation.dao.preload.Bucket;
import foundation.data.entity.Entity;
import foundation.json.IJSONProvider;
import foundation.json.IJSONWriter;

public class Province implements IJSONProvider {

	private String id;
	private String name;
	private Bucket<City> citys;
	
	public Province() {
		citys = new Bucket<City>();
	}
	
	public void load(Entity entity) {
		id = entity.getString("id");
		name = entity.getString("name");
	}

	public void loadOneCity(City city) {
		citys.loadOne(city.getId(), city);
	}
	
	public String getId() {
		return id;
	}

	@Override
	public void writeJSON(IJSONWriter writer) {
		writer.beginObject("province");
		writeJSONBody(writer);
		writer.endObject();		
	}

	public void writeJSONBody(IJSONWriter writer) {
		//1. body
		writer.write("id", id);
		writer.write("code", name);
		writer.write("name", name);
		
		//2. items
		writer.beginArray("items");
		
		for (City city: citys) {
			writer.beginObject();
			city.writeJSONBody(writer);
			writer.endObject();
		}
		
		writer.endArray();		
	}

}