#ifndef Pixels_h_
#define Pixels_h_

#include "SDL.h"
#include "Box.hpp"
#include "Color.hpp"
#include "extension.hpp"

struct Sprite;

struct Pixels
{

    const int TEXTURE_ACCESS_SCREEN = 128;
    void* source = nullptr;
    SDL_PixelFormat* format = nullptr;
    SDL_Texture* texture;
    SDL_Renderer* renderer;
    int texture_access = 0;
    SDL_Rect rect;
    bool allocated = false;

    Pixels(SDL_Renderer*, SDL_Texture* texture, const Box&);
    Pixels(SDL_Renderer*, SDL_Texture* texture);
    Pixels(SDL_Renderer*);
    Pixels(Sprite&);
    Pixels(Sprite&, const Box&);
    int get_bytes_per_row() const;
    Color get(int x, int y);
    void set(const SDL_Color&, int x, int y);
    void apply();
    ~Pixels();

    template <typename T = void*>
    T operator()(int x = 0, int y = 0)
    {
        std::uint8_t* access = static_cast<std::uint8_t*>(source);
        if (x < 0 || x >= rect.w)
        {
            x = sb::mod(x, static_cast<int>(rect.w));
        }
        if (y < 0 || y >= rect.y)
        {
            y = sb::mod(y, static_cast<int>(rect.h));
        }
        return reinterpret_cast<T>(access + y * get_bytes_per_row() + x * format->BytesPerPixel);
    }

};

#endif