export module surface.system;
export import :components;
import app.system;
import ecs.registry;
import math.vec2;
import surface.requests;
import memory.reference;
import std;

namespace lt::surface {

export class System: public app::ISystem
{
public:
	[[nodiscard]] System(memory::Ref<ecs::Registry> registry);

	~System() override;

	System(System &&) = default;

	System(const System &) = delete;

	auto operator=(System &&) -> System & = default;

	auto operator=(const System &) -> System & = delete;

	void on_register() override;

	void on_unregister() override;

	void create_surface_component(ecs::EntityId entity, SurfaceComponent::CreateInfo info);

	void tick(app::TickInfo tick) override;

	[[nodiscard]] auto get_last_tick_result() const -> const app::TickResult & override
	{
		return m_last_tick_result;
	}

private:
	void on_surface_destruct(ecs::Registry &registry, ecs::EntityId entity);

	void handle_requests(SurfaceComponent &surface);

	void handle_events(SurfaceComponent &surface);

	void modify_title(SurfaceComponent &surface, const ModifyTitleRequest &request);

	void modify_resolution(SurfaceComponent &surface, const ModifyResolutionRequest &request);

	void modify_position(SurfaceComponent &surface, const ModifyPositionRequest &request);

	void modify_visiblity(SurfaceComponent &surface, const ModifyVisibilityRequest &request);

	void modify_position(ecs::EntityId surface_entity, const math::ivec2 &new_size);

	void modify_position(ecs::EntityId surface_entity, const math::uvec2 &new_size);

	void set_visibility(ecs::EntityId surface_entity, bool visible);

	memory::Ref<ecs::Registry> m_registry;

	app::TickResult m_last_tick_result;
};

} // namespace lt::surface