public abstract class PluginModule {
    private final ScheduledExecutorService service = Executors.newScheduledThreadPool(1);
    private String name;
    private String version;
    private String description;
    private transient boolean enabled;
    private List<Listener> events = new ArrayList<>();
    private List<BukkitCommand> commands = new ArrayList<>();
    private List<BukkitTask> tasks = new ArrayList<>();

    public void disable() {
        for (Listener l : events) {
            HandlerList.unregisterAll(l);
        }

        for (BukkitCommand command : commands) {
            CommandUtil.unregisterCommand(command);
        }

        for (BukkitTask task : tasks) {
            task.cancel();
        }

        events.clear();
        commands.clear();
        tasks.clear();

        onDisable();
    }

    public void onEnable() {
    }

    public void onDisable() {
    }

    public final void registerCommand(String cmd, BukkitCommand executor) {
        CommandUtil.registerCommand(cmd, executor);
        this.commands.add(executor);
    }

    public final void registerEvent(Listener listener) {
        Bukkit.getPluginManager().registerEvents(listener, API.getPlugin());
    }

    public final void registerTask(final Task task, long delay) {
        delay *= 50;
        service.scheduleAtFixedRate(task, delay, delay, TimeUnit.MILLISECONDS);
    }

    public final void callTask(final Task task, long delay) {
        delay *= 50;
        service.schedule(task, delay, TimeUnit.MILLISECONDS);
    }

    public String getName() {
        return name;
    }

    public String getVersion() {
        return version;
    }

    public boolean isEnabled() {
        return enabled;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }

    public Path getModuleDir() {
        return new File(API.getModulesDir() + File.separator + name).toPath();
    }
}