#pragma once
#include "DeerCore/Tools/Memory.h"
#include "DeerCore/Tools/TypeDefs.h"

#include <atomic>
#include <functional>

namespace Deer {
	class EntityEnvironment;
	class GizmoRenderer;
	class World;

	struct WorldCamera;
	using WorldCallback = std::function<void(World&)>;

	struct WorldSettings {
		WorldCallback updateCallback;
		u_int32_t updateFrequency;
#ifdef DEER_RENDER
		WorldCallback renderCallback;
		u_int32_t renderFrequency;
#endif
	};

	enum class WorldState {
		Created,
		Executing,
		StopRequested,
		Stopped,
		DestroyQueued,
		ReadyToDestroy
	};

	class World {
	  public:
		World(const WorldSettings&);
		~World();

		void execute();
		void stopExecution();
		void destroy();

		WorldState getExecutionState();
		Scope<EntityEnvironment> entityEnvironment;

	  private:
		std::atomic<WorldState> executingState;
		WorldSettings worldSettings;

	}; // namespace World
} // namespace Deer