#pragma once

#include <memory>

namespace KamaCache 
{

template<typename Key, typename Value>
class ArcNode 
{
private:
    Key key_;
    Value value_;
    size_t accessCount_;
    std::weak_ptr<ArcNode> prev_;
    std::shared_ptr<ArcNode> next_;

public:
    ArcNode() : accessCount_(1), next_(nullptr) {}
    
    ArcNode(Key key, Value value) 
        : key_(key)
        , value_(value)
        , accessCount_(1)
        , next_(nullptr) 
    {}

    // Getters
    Key getKey() const { return key_; }
    Value getValue() const { return value_; }
    size_t getAccessCount() const { return accessCount_; }
    
    // Setters
    void setValue(const Value& value) { value_ = value; }
    void incrementAccessCount() { ++accessCount_; }

    template<typename K, typename V> friend class ArcLruPart;
    template<typename K, typename V> friend class ArcLfuPart;
};

} // namespace KamaCache