#ifndef LOGGER_HPP
#define LOGGER_HPP

#include <ostream>
#include <ctime>

#include "Singleton_DCLP.hpp"

class Logger : public Singleton_DCLP<Logger>
{
public:
	Logger() : m_os(nullptr), m_print_time_stamp(false) {}

	void setStream(std::ostream* os) { m_os = os; }
	std::ostream* getStream()
	{
		if (m_print_time_stamp) {
			const std::time_t timenow = std::time(nullptr);
			std::string s(std::ctime(&timenow));
			s.pop_back(); // removing trailing \n
			*m_os << s << " ";
		}

		return m_os;
	}

	void setPrintTimeStamp(bool b = true) { m_print_time_stamp = b; }

private:
	// ostreams are not copyable, hence storing a pointer only
	std::ostream* m_os;
	bool m_print_time_stamp;
};

#define LOG *Logger::getInstance()->getStream()

#endif // LOGGER_HPP