/*
 * Copyright (C) 2013 Emeric Poupon
 *
 * This file is part of LMS.
 *
 * LMS 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.
 *
 * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <string>
#include <sstream>

#include "Service.hpp"

enum class Severity
{
	FATAL,
	ERROR,
	WARNING,
	INFO,
	DEBUG,
};

enum class Module
{
	API_SUBSONIC,
	AUTH,
	AV,
	COVER,
	DB,
	DBUPDATER,
	FEATURE,
	MAIN,
	METADATA,
	REMOTE,
	SERVICE,
	SIMILARITY,
	TRANSCODE,
	UI,
};

const char* getModuleName(Module mod);
const char* getSeverityName(Severity sev);

class Logger;
class Log
{
	public:
		Log(Logger* logger, Module module, Severity severity);
		~Log();

		Module getModule() const { return _module; }
		Severity getSeverity() const { return _severity; }
		std::string getMessage() const;

		std::ostringstream& getOstream() { return _oss; }

	private:
		Module _module;
		Severity _severity;
		std::ostringstream _oss;
		Logger* _logger {};
};

class Logger
{
	public:
		virtual void processLog(const Log& log) = 0;
};

#define LMS_LOG(module, severity)	Log(ServiceProvider<Logger>::get(), Module::module, Severity::severity).getOstream()