package a6;

public class Timer {

    public class TimerList
    {
        private ListHead entry = new ListHead();
        private ListHead attachEntry;
        private int timerType = 0;
        private int milli_seconds = 0;
        private long expires = 0;

        private ITimerFunc timerFunc;
        private ITimerAfterFunc timerAfterFunc;
        private XParams param;
    }

    @FunctionalInterface
    public interface ITimerFunc
    {
        public void OnTimer(XParams param);
    }

    @FunctionalInterface
    public interface ITimerAfterFunc
    {
        public void OnTimerAfter(XParams param);
    }

    private int freeTimerNum = 0;
    private ListHead freeTimer = new ListHead();

    public void init() {

    }

    public void unInit() {

    }

    public void update() {

    }

    public TimerList addDeadLineTimer(int expire_time, XParams param, ITimerFunc timer_func) {
        return null;
    }

    public TimerList addDeadLineTimer(int expire_time, XParams param, ITimerFunc timer_func,
                                 ITimerAfterFunc after_func) {
        return null;
    }

    public TimerList addDeadLineTimerAndAttach(int expire_time, XParams param, ITimerFunc timer_func,
                                               TimerAttacher timer_attacher) {
        return null;
    }

    public TimerList addDeadLineTimerAndAttach(int expire_time, XParams param, ITimerFunc timer_func,
                                               TimerAttacher timer_attacher, ITimerAfterFunc after_func) {
        return null;
    }

    public TimerList addRepeatTimer(int expire_time, XParams param, ITimerFunc timer_func) {
        return null;
    }

    public TimerList addFixedTimer(int expire_time, XParams param, ITimerFunc timer_func) {
        return null;
    }

    public void modifyTimer(TimerList timer_list, int expire_time) {

    }

    public TimerList getTimerByAttach(ListHead attach_entry) {
        return null;
    }

    public XParams getMutableParams(TimerList timer_list) {
        return null;
    }

    public long getRemainTime(TimerList timer_list) {
        return 0;
    }

    public TimerList getRunningTimer() {
        return null;
    }

    public int getIdleableMillSeconds() {
        return 0;
    }

    public void deleteTimer(TimerList timer_list) {
        if (timer_list.timerAfterFunc != null) {
            timer_list.timerAfterFunc.OnTimerAfter(timer_list.param);
        }
        detachTimer(timer_list);
        if (timer_list.attachEntry != null && !timer_list.attachEntry.empty()) {
            timer_list.attachEntry.del();
        }
        addToFreeList(timer_list);
    }

    public void detachTimer(TimerList timer_list) {
        if (timer_list.entry != null && !timer_list.entry.empty()) {
            timer_list.entry.delInit();
        }
    }

    private TimerList newTimerList() {
        return null;
    }

    private void clear() {

    }

    private void addToFreeList(TimerList timer_list) {
        freeTimer.addTail(timer_list.entry);
        ++freeTimerNum;
    }

    private void gcTimerFunc() {

    }

}