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#ifndef __JE_TIMER_H__
#define __JE_TIMER_H__
#include "../core/je_configuration.h"
#if defined(jin_time)

#include <vector>
#include <functional>

#include "SDL2/SDL.h"

namespace JinEngine
{
	namespace Time
	{
    
        ///
        ///
        ///
		class Timer
		{
		public:

            typedef std::function<void(void*)> TimerCallback;

            typedef std::function<void(void*)> FinishCallback;

            ///
            ///
            ///
            class Handler
            {
            public:
                friend class Timer;
                enum Type
                {
                    EVERY,
                    AFTER,
                    REPEAT,
                };
                Handler(Type type, float duration, int count = 0, TimerCallback callback = nullptr, void* paramters = nullptr, FinishCallback finishcallback = nullptr);
                virtual ~Handler();
                void process(float dt);

            protected:
                int count;
                int countdown;
                float duration;
                float tickdown;
                Type type;
                TimerCallback callback;
                FinishCallback finishCallback;
                void* paramters;
                bool canceled;
            };

            ///
            ///
            ///
			Timer();

            ///
            ///
            ///
			~Timer();

            ///
            ///
            ///
			void update(float dt);

            ///
            ///
            ///
			Handler* every(float dt, TimerCallback callback, void* paramters = nullptr, FinishCallback finish = nullptr);

            ///
            ///
            ///
			Handler* after(float dt, TimerCallback callback, void* paramters, FinishCallback finish);

            ///
            ///
            ///
			Handler* repeat(float dt, int count, TimerCallback callback, void* paramters, FinishCallback finish);

            ///
            ///
            ///
            void cancel(Handler* handler);

            ///
            ///
            ///
            void cancelAll();

		private:

			std::vector<Handler*> mHandlers;

		};

        ///
        ///
        ///
		inline void sleep(int ms)
		{
		#if jin_time == jin_time_sdl
			SDL_Delay(ms);
		#endif
		}

        ///
        ///
        ///
		inline double getSecond()
		{
		#if jin_time == jin_time_sdl
			return SDL_GetTicks() / 1000.f;
		#endif
		}

        ///
        ///
        ///
		inline double getMilliSecond()
		{
		#if jin_time == jin_time_sdl
			return SDL_GetTicks();
		#endif
		}

	} // namespace Time
} // namespace JinEngine

#endif // defined(jin_time)

#endif // __JE_TIMER_H__