#ifndef ENGINE_H
#define ENGINE_H

#include <cmath>
#include <cfloat>

#include "common/utils/Types.h"
#include "client/input/Keys.h"
#include "client/input/MouseButtons.h"
#include "client/math/Ray.h"
#include "client/rendering/FontRenderer.h"
#include "client/rendering/Mesh.h"
#include "client/rendering/Framebuffers.h"
#include "client/rendering/Shaders.h"
#include "client/math/Camera.h"
#include "client/math/Plane.h"
#include "client/math/MatrixStack.h"
#include "client/math/Frustum.h"
#include "client/Game.h"
#include "client/rendering/NoiseTexture.h"
#include "client/utils/Clock.h"

class Engine final {
public:
    Engine(Shaders& shaders, Framebuffers& fb, const Keys& keys, const MouseButtons& buttons, Camera& camera, 
            Ray& ray, const Clock& fps, const WindowSize& size);
    bool isRunning() const;
    void renderTick(float lag);
    void tick();

    static bool useSSAO;
    static float testRadius;
    static float testBias;
    static bool ortho;
    static Vector testOrthoCenter;

    Matrix worldProj;
    Matrix worldView;
    Matrix worldShadowProj;
    Matrix worldShadowView;
    Matrix worldShadowProjView;

private:
    void renderShadow(float lag);
    void renderWorld(float lag);
    void renderSSAO();
    void renderPostWorld();
    void renderTextOverlay(float lag);
    void updateWorldProjection();
    void updateWorldView();

    Shaders& shaders;
    Framebuffers& fb;

    const Keys& keys;
    const MouseButtons& buttons;
    Game game;
    Camera& camera;
    Frustum frustum;
    MatrixStack model;
    FontRenderer fontRenderer;
    NoiseTexture ssaoNoise;
    Mesh rectangle;
    const Clock& fps;

    const WindowSize& size;

    bool running;
};

#endif