#pragma once

#if !defined(SDL_GPU_TEST_PRIVATE_TEXTURE_PACKER_PACKER_HPP_INCLUDED)
#define SDL_GPU_TEST_PRIVATE_TEXTURE_PACKER_PACKER_HPP_INCLUDED 1

#include <filesystem>
#include <vector>

namespace fs = std::filesystem;

namespace sdl_gpu_test
{
struct FreeDeleter
{
    void operator()(void* ptr) noexcept
    {
        std::free(ptr);
    }
};

class Packer
{
private:
    struct Pixel
    {
        std::uint8_t r;
        std::uint8_t g;
        std::uint8_t b;
        std::uint8_t a;
    };
    struct ImageData
    {
        std::string name;
        std::unique_ptr<Pixel[], FreeDeleter> data;
        unsigned width;
        unsigned height;
    };

    std::vector<ImageData> mImages;
public:
    void addImage(std::string name, const fs::path& path);
    void addImageList(const fs::path& path);
    void pack(const fs::path& outputPath);
};
} // namespace sdl_gpu_test

#endif // !defined(SDL_GPU_TEST_PRIVATE_TEXTURE_PACKER_PACKER_HPP_INCLUDED)