#ifndef DJSTDLIB_GFX_RENDER_H
#define DJSTDLIB_GFX_RENDER_H

#include "gfx-common.h"
#include "Shader.h"
#include "Texture.h"
#include "Mesh.h"
#include "world/world.h"

typedef struct RenderObject_BufferInt32 RenderObject_BufferInt32;
struct RenderObject_BufferInt32 {
    IntList buf;
    uint32 bufId;
    IntList_underlying underlying;
};
typedef struct RenderObject_BufferFloat RenderObject_BufferFloat;
struct RenderObject_BufferFloat {
    FloatList buf;
    uint32 bufId;
    FloatList_underlying underlying;
};
typedef struct RenderObject_BufferVec2 RenderObject_BufferVec2;
struct RenderObject_BufferVec2 {
    Vec2List buf;
    uint32 bufId;
    Vec2List_underlying underlying;
};
typedef struct RenderObject_BufferVec4 RenderObject_BufferVec4;
struct RenderObject_BufferVec4 {
    Vec4List buf;
    uint32 bufId;
    Vec4List_underlying underlying;
};


typedef struct RenderObjects_Rect RenderObjects_Rect;
struct RenderObjects_Rect {
    uint32 vao;
    uint64 count;
    RenderObject_BufferVec2 p0;
    RenderObject_BufferVec2 p1;
    RenderObject_BufferVec4 color;
    RenderObject_BufferFloat borderRadius;
    RenderObject_BufferFloat borderThickness;
    RenderObject_BufferVec4 borderColor;
    RenderObject_BufferFloat edgeSoftness;
};

typedef struct RenderObjects_Char RenderObjects_Char;
struct RenderObjects_Char {
    uint32 vao;
    uint64 count;
    RenderObject_BufferVec2 begin;
    RenderObject_BufferInt32 glyph;
    RenderObject_BufferFloat fontSize;
    RenderObject_BufferVec4 color;
};

typedef struct GlyphData GlyphData;
struct GlyphData {
    real32 x0;
    real32 y0;
    real32 x1;
    real32 y1;
};

typedef struct Renderer Renderer;
struct Renderer {
    RenderObjects_Rect rects;
    RenderObjects_Char chars;

    Shader *phongShader;
    Shader *solidShader;
    Shader *textShader;

    Font *activeFont;

    int32 width;
    int32 height;

    int32 sceneWidth;
    int32 sceneHeight;
    int32 sceneX;
    int32 sceneY;

    Scene *scene;
    Camera *camera;
    /** SceneGraphNode handle */
    int32 light;
    Mesh *cubeMesh;

    int32 testTexId;
};

Renderer createRenderer(Arena *arena, Scene *scene, Camera *cam, int32 light);
void renderBegin(Renderer *r);
void renderEnd(Renderer *r);
void rendererPlaceRectangle(Renderer *r, real32 x, real32 y, real32 width, real32 height, Vec4 color, real32 borderRadius, real32 borderThickness, Vec4 borderColor);
void rendererPlaceString(Renderer *r, string s, real32 x, real32 y, Vec4 color, real32 fontSize);
#define Render(r) DeferLoop(renderBegin((r)), renderEnd((r)))

#endif