import java.util.Date;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.ejb.Timeout;
import javax.ejb.Timer;
import javax.ejb.TimerConfig;
import javax.ejb.TimerService;

import edu.pjwstk.sri.lab2.dao.CategoryDao;
import edu.pjwstk.sri.lab2.model.Category;

@Startup
@Singleton
public class StartupServer {

	private List<Category> categoryList;

	@Resource
	private TimerService timerService;

	@PostConstruct
	public void init() {
//		refreshCategories();

		// config timera
		TimerConfig timerConfig = new TimerConfig();
		timerConfig.setInfo("ActionTimer_info");
		timerService.createSingleActionTimer(5000, timerConfig);

		System.out.println("Serwer dziala.");
	}

	@PreDestroy
	public void terminate() {
		System.out.println("Trwa zamykanie serwera.");
	}

	@Timeout
	public void timeOutHandler(Timer timer) {
		System.out.println("Timer service : " + timer.getInfo());
		System.out.println("Execution Time : " + new Date());
		System.out.println("__________________________________");

		// Pobierz kategorie z bazy danych
		refreshCategories();
	}

	private void refreshCategories() {
		CategoryDao cd = new CategoryDao();
		// nullowy zakres pobiera wszystkie kategorie
//		cd.listAll(null, null);
		System.out.println("Odswiezono kategorie !!!");
		System.out.println("Aktualnie jest kategori: " + cd.listAll(null, null).size());
	}

}