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#pragma once

#include <iostream>
#include <string>

using namespace std::string_view_literals;

class IdentityDocument {
public:
	IdentityDocument()
        : unique_id_(++unique_id_count_) 
    {
		this->del = &IdentityDocument::Del;
		this->vMethod = &IdentityDocument::Id;
        std::cout << "IdentityDocument::Ctor() : "sv << unique_id_ << std::endl;
    }

    ~IdentityDocument() {
        --unique_id_count_;
        std::cout << "IdentityDocument::Dtor() : "sv << unique_id_ << std::endl;
    }

    IdentityDocument(const IdentityDocument& other)
        : unique_id_(++unique_id_count_) 
    {
        std::cout << "IdentityDocument::CCtor() : "sv << unique_id_ << std::endl;
    }

    IdentityDocument& operator=(const IdentityDocument&) = delete;

    void PrintID() const 
	{
        (this->*vMethod)();
    }

    static void PrintUniqueIDCount()
	{
        std::cout << "unique_id_count_ : "sv << unique_id_count_ << std::endl;
    }

    int GetID() const {
        return unique_id_;
    }

	void Delete()
	{
		(this->*del)();
	}

private:
	void (IdentityDocument::*del)();
	void (IdentityDocument::*vMethod)()const;
    static int unique_id_count_;
    int unique_id_;

	void Id() const
	{
		std::cout << "IdentityDocument::PrintID() : "sv << unique_id_ << std::endl;
	}

	void Del()
	{
		delete this;
	}
};

int IdentityDocument::unique_id_count_ = 0;