#pragma once

#include <base/primitive.hpp>
#include <subface/simple/sphere_face.hpp>

namespace internal
{
struct sphere_t final : primitive {
    sphere_t(primitive_data_center_t *data_center_ptr) : primitive(data_center_ptr)
    {
        initialize({identity_model_matrix_ptr}, {false}, stl_vector_mp<const void *>{}, k_aabb_unit);
    }

    primitive_type get_type() const override { return PRIMITIVE_TYPE_SPHERE; };

    stl_vector_mp<const void *> get_subface_geometries() const override
    {
        // sphere 没有 descriptor，返回 nullptr
        return {nullptr};
    }

    span<marked_subface_ptr_t<subface>> get_subfaces() const override
    {
        return {const_cast<marked_subface_ptr_t<subface> *>(&sphere_face), 1};
    }

    stl_vector_mp<surface_type> get_subface_types() const override { return {surface_type::sphere}; }

    // sphere_t does not support geometry descriptor updates.
    void update_geometry(const void * new_geometry_ptr, size_t subface_index = 0) override
    {
        throw std::invalid_argument("sphere_t::update_geometry: sphere geometry is fully encoded in the model matrix "
                                    "and has no separate descriptor. Use apply_transform() to modify the sphere.");
    }

    marked_subface_ptr_t<subface> sphere_face{};
};
} // namespace internal