#pragma once

#include <utility>

#include "opengl/shading/model_geometry.hpp"
#include "mesh_features.hpp"
#include "point_cloud_features.hpp"
#include "generic_features.hpp"

namespace zgl::shading::features::combined
{
union type
{
	features::mesh::flags mesh;
	features::point_cloud::flags point_cloud;

	[[nodiscard]] features::generic::type to_generic(const model_geometry::types geometry) const noexcept
	{
		switch (geometry)
		{
		case model_geometry::types::mesh:
			return static_cast<features::generic::type>(mesh);
		case model_geometry::types::point_cloud:
			return static_cast<features::generic::type>(point_cloud);
		}
		std::unreachable();
	}

	void from_generic(
		const model_geometry::types geometry,
		const features::generic::type new_features
	) noexcept {
		switch (geometry)
		{
		case model_geometry::types::mesh:
			mesh = static_cast<features::mesh::flags>(new_features);
		case model_geometry::types::point_cloud:
			point_cloud = static_cast<features::point_cloud::flags>(new_features);
		}
		std::unreachable();
	}
};
}