import auth.AuthImpl;
import persistence.PersistenceImpl;
import user.UserImpl;

//TODO: Comments!

public class WebStoreImpl {

	private static WebStoreImpl instance = null;

	protected WebStoreImpl() {
		// Damit nur eine Instanz des Webstores existieren kann
	}

	public static WebStoreImpl getInstance() {
		if (instance == null) {
			instance = new WebStoreImpl();
		}
		return instance;
	}

	public static void main(String[] args) {
		// TODO: Tests und so

	}

	public void register(java.lang.String username, java.lang.String password) {
		PersistenceImpl.getPersistence().registerUser(username, password);
		UserImpl.setPersistence(PersistenceImpl.getPersistence());
		UserImpl.getUser().register(username, password);
	}

	public java.lang.String login(java.lang.String username, java.lang.String password) {
		if (PersistenceImpl.getPersistence().isPasswordValid(username, password)) {
			AuthImpl.setPersistence(PersistenceImpl.getPersistence());
			AuthImpl.getAuth().login(username, password);
			// TODO: Session Id richtig wiedergeben!
			// HttpServletRequest ??
			return "sessionId";
		} else {
			return null;
		}
	}

	public void logout(java.lang.String sessionID) {
		AuthImpl.setPersistence(PersistenceImpl.getPersistence());
		AuthImpl.getAuth().logout(sessionID);
	}

	// TODO: Implement!
	public void addItemToCart(java.lang.String sessionID, java.lang.String username, java.lang.String item)
			throws javax.naming.AuthenticationException {

	}

	// TODO: Implement!
	public void removeItemFromCart(java.lang.String sessionID, java.lang.String username, java.lang.String item)
			throws javax.naming.AuthenticationException {

	}

	// TODO: Implement!
	public java.util.List<java.lang.String> getCartItems(java.lang.String sessionID, java.lang.String username)
			throws javax.naming.AuthenticationException {
		return null;
	}

}