#pragma once
#include <cstddef>
#include <filesystem>
#include <memory>
#include <span>
#include <string>

namespace renderive {

class Font_Face {
public:
    Font_Face();
    ~Font_Face();
    Font_Face(const Font_Face&) = delete;
    Font_Face(Font_Face&&) noexcept;
    Font_Face& operator=(const Font_Face&) = delete;
    Font_Face& operator=(Font_Face&&) noexcept;

    [[nodiscard]] bool valid() const;
    [[nodiscard]] std::string family_name() const;

private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
    friend class Font_Registry;
    friend class Canvas;
};

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

    std::shared_ptr<Font_Face> load_file(const std::filesystem::path& path);
    std::shared_ptr<Font_Face> load_memory(std::span<const std::byte> data);
    void set_default_face(std::shared_ptr<Font_Face> face);
    [[nodiscard]] std::shared_ptr<Font_Face> default_face() const;

private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};

} // namespace renderive