#pragma once

#include <cstring>
#include <memory>
#include <functional>
#include <string>

void lprtf(const char * fmt, ...);

class SessionLog {
public:
	static SessionLog & get();

private:
	SessionLog();
	virtual ~SessionLog() = default;

public:
	virtual void append(const std::string & str) const;
	virtual void append(const char * str) const;
	virtual void append(const char * buf, size_t buf_size) const;

private:
	std::unique_ptr<FILE, std::function<void(FILE*)>> file = nullptr;
	static constexpr const bool enable = false;
};