@Service
public class ServiceFactory {

    @Autowired
    private List<PlatformService> services;

    private static final Map<Class<? extends PlatformService>, PlatformService> singletonCache = new HashMap<>();

    private static final Map<String, PlatformService> instanceCache = new HashMap<>();

    @PostConstruct
    public void initializeSingletonCache() {
        services.forEach(service -> {
            singletonCache.put(service.getClass(), service);
            service.initialize();
        });
    }

    public static <T extends PlatformService> T registerInstanceService(String serviceName, Class<T> service) throws RuntimeException, InstantiationException, IllegalAccessException {
        if (instanceServices.containsKey(serviceName)) {
            throw new RuntimeException("An instance with the name " + serviceName + " has already been created");
        }

        T serviceObject = service.newInstance();
        instanceServices.put(serviceName, serviceObject);
        return serviceObject;

    }

    public static <T extends PlatformService> void registerInstanceService(String serviceName, T service) throws Exception {
        service.initialize();
        instanceServices.put(serviceName, service);
    }

    public static <T extends PlatformService> T getService(Class<T> service) {
        return service.cast(singletonServices.get(service));
    }

    public static Map<Class<? extends PlatformService>, PlatformService> getSingletonServices() {
        return singletonServices;
    }

}