#ifndef ENGINE_H
#define ENGINE_H

#include <string>

class Input;
class SparrowRenderer;
class Scene;
namespace sf
{
    class Clock;
    class Window;
}
class btDiscreteDynamicsWorld;

class Engine
{
public:
    Engine();
    ~Engine();

    void createWindow(std::string title = "SparrowEngine",
                    unsigned int w = 800,
                    unsigned int h = 600,
                    bool isWindowed = true);
    void setScene(std::string sceneName);
    void initPhysics();

    void start();
    void stop();

    Input* getInput() {return m_input;}
    SparrowRenderer* getRenderer() {return m_renderer;}
    btDiscreteDynamicsWorld* getPhysics() {return m_world;}

    unsigned int getTime();
    unsigned int getDeltaTime();

private:
    sf::Clock* m_clock;
    unsigned int m_timeStamp = 0;
    unsigned int m_lastTimeStamp = 0;

    bool m_running;
    sf::Window* m_window;

    Input* m_input;
    Scene* m_scene;
    btDiscreteDynamicsWorld* m_world;
    SparrowRenderer* m_renderer;

    void update();
};

#endif