/* Logger.h */

/* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LOGGER_H
#define LOGGER_H

#include <typeinfo>
#include <type_traits>
#include <string>
#include <QString>
#include <QMetaType>

/**
 * @brief The Log enum
 * @ingroup Helper
 */
class QString;
class QStringList;
class QByteArray;
class QPoint;
class QChar;
class LogListener;
class QRegion;
class QMargins;
class QSize;
class QRect;

enum class Log : unsigned char
{
	Warning=0,
	Error,
	Info,
	Debug,
	Develop,
	Crazy,
	Always
};


/**
 * @brief The Logger class
 * @ingroup Helper
 */
class Logger
{

private:
	struct Private;
	Private* m=nullptr;

public:
	explicit Logger(const Log& type, const QString& class_name);

	~Logger();

	static void registerLogListener(LogListener* logListener);

	Logger& operator << (const QString& msg);
	Logger& operator << (const QChar& c);
	Logger& operator << (const QStringList& lst);
	Logger& operator << (const QByteArray& arr);
	Logger& operator << (const QPoint& point);
	Logger& operator << (const QSize& size);
	Logger& operator << (const QRect& size);
	Logger& operator << (const char* str);
	Logger& operator << (const std::string& str);
	Logger& operator << (const Log& log_type);

	template<typename T>
	typename std::enable_if< std::is_floating_point<T>::value, Logger&>::type
	operator << (const T& val){

		(*this) << std::to_string(val);

		return *this;
	}

	template<typename T>
	typename std::enable_if< std::is_integral<T>::value, Logger&>::type
	operator << (const T& val){

		(*this) << std::to_string(val);

		return *this;
	}

	template<typename T, template <typename ELEM> class CONT>
	Logger& operator << (const CONT<T> list){
		for(const T& item : list){
			(*this) << std::to_string(item) << ", ";
		}

		return *this;
	}
};

Logger spLog(const Log& type, const std::string& data);
Logger spLog(const Log& type, const char* data);

template<typename T>
typename std::enable_if< std::is_class<T>::value, Logger>::type
spLog(const Log& type, const T*)
{
	return spLog(type, typeid(T).name());
}

Q_DECLARE_METATYPE(Log)

#endif // LOGGER_H