package br.usp.nds.agualastro.satelites;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;

public class PoolSatelites {

	private Map<String, Satelite> satelites = new HashMap();
	private Timer timer = new Timer();
	private static PoolSatelites instance;
	
	public Collection<Satelite> listar() {
		return satelites.values();
	}
	
	public void iniciar() {
		timer.scheduleAtFixedRate(new TimerTask() {
			
			@Override
			public void run() {
				for (String satelite : satelites.keySet()) {
					satelites.put(satelite, new Informante().consultarSatelite(satelite));
				}
			}
		}, 0, 60 * 1000);
	}
	
	public void parar() {
		timer.cancel();
	}
	
	public synchronized static PoolSatelites getInstance() {
		if (instance == null) {
			instance = new PoolSatelites();
		}
		return instance;
	}
	
	private PoolSatelites() {
		String[] norads = {
		    "38847",
	        "33065",
	        "33064",
	        "33063",
	        "33062",
	        "33061",
	        "33060",
	        "25986",
	        "25985",
	        "25984",
	        "25983",
	        "25982",
	        "25981",
	        "25980",
	        "25482",
	        "25481",
	        "25480",
	        "25479",
	        "25478",
	        "25477",
	        "25476",
	        "25475",
	        "25420",
	        "25419",
	        "25418",
	        "25417",
	        "25416",
	        "25415",
	        "25414",
	        "25413",
	        "25159",
	        "25158",
	        "25119",
	        "25118",
	        "25117",
	        "25116",
	        "25115",
	        "25114",
	        "25113",
	        "25112",
	        "23546",
	        "23545",
	        "21576"
		};
		for (String norad : norads) {
			satelites.put(norad, new Satelite(norad, 0, 0));
		}
	}
}