#pragma once
#include <vector>
#include <algorithm>

#include "ifaces/ILink.h"
#include "Logger.h"

/// \brief Базовая реализация интерфейса ILink для хранения связей между элементами.
/// \tparam TElem Тип элемента, между которыми устанавливается связь.
template <class TElem>
class BaseLink : public ILink<TElem> {
public:
	using ElemPtr = std::shared_ptr<TElem>;

	BaseLink(ElemPtr node) : owner_node_(node) {}
	ElemPtr getNode() const override { return owner_node_.lock(); }
	ElemPtr getParent() const override { return parent_.lock(); }
	void setParent(const ElemPtr& parent) override { parent_ = parent; }
	const std::vector<ElemPtr>& getChildren() const override { return children_; }

	void addChild(const ElemPtr& child) override {
		this->children_.push_back(child);
	}

	void removeChild(const ElemPtr& child) override {
		children_.erase(std::remove(children_.begin(), children_.end(), child), children_.end());
	}

	void replaceChild(const ElemPtr& oldChild, const ElemPtr& newChild) override {
		auto it = std::find(children_.begin(), children_.end(), oldChild);
		if (it != children_.end()) {
			*it = newChild;
		}
	}

	~BaseLink() override {
		Logger::get("ConDes").dbg("--- Destructor called for: BaseLink");
	}
protected:
	std::vector<ElemPtr> children_;
	std::weak_ptr<TElem> owner_node_;
	std::weak_ptr<TElem> parent_;
};