#include <psemek/ui/impl/storage_base.hpp>

#include <psemek/react/join.hpp>

namespace psemek::ui::impl
{

	storage_base::storage_base()
		: child_size_constraints_(size_constraints::max())
		, size_constraints_(react::join(child_size_constraints_))
	{}

	void storage_base::reshape(geom::box<float, 2> const & new_shape)
	{
		single_container::reshape(new_shape);

		if (auto child = this->child())
			child->reshape(new_shape);
	}

	react::value<struct size_constraints> storage_base::size_constraints() const
	{
		if (auto child = this->child())
			return child->size_constraints();

		return impl::size_constraints::max();
	}

	void storage_base::set_child(std::unique_ptr<component> child)
	{
		if (child)
			child_size_constraints_.set(child->size_constraints());
		else
			child_size_constraints_.set(size_constraints::max());
		single_container::set_child(std::move(child));
	}

	std::unique_ptr<component> storage_base::release_child()
	{
		child_size_constraints_.set(size_constraints::max());
		return single_container::release_child();
	}

	void storage_base::update(storage const & value)
	{
		util::hash_map<std::string, react::source<std::any>> new_values;

		for (auto const & p : value.values)
		{
			auto & v = (new_values[p.first] = p.second);

			if (auto it = values_.find(p.first); it != values_.end())
				v.set(*(it->second));
		}

		values_ = std::move(new_values);
	}

}