/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/)  *
 *                                                                            *
 * 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 2             *
 * 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, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#ifndef COMPATLOGGER_H
#define COMPATLOGGER_H

#include "compat/compatlogger.thpp"
#include "icinga/service.hpp"
#include "base/timer.hpp"
#include <fstream>

namespace icinga
{

/**
 * An Icinga compat log writer.
 *
 * @ingroup compat
 */
class CompatLogger final : public ObjectImpl<CompatLogger>
{
public:
	DECLARE_OBJECT(CompatLogger);
	DECLARE_OBJECTNAME(CompatLogger);

	static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);

	void ValidateRotationMethod(const Lazy<String>& lvalue, const ValidationUtils& utils) override;

protected:
	void Start(bool runtimeCreated) override;
	void Stop(bool runtimeRemoved) override;

private:
	void WriteLine(const String& line);
	void Flush();

	void CheckResultHandler(const Checkable::Ptr& service, const CheckResult::Ptr& cr);
	void NotificationSentHandler(const Notification::Ptr& notification, const Checkable::Ptr& service,
		const User::Ptr& user, NotificationType notification_type, CheckResult::Ptr const& cr,
		const String& author, const String& comment_text, const String& command_name);
	void FlappingChangedHandler(const Checkable::Ptr& checkable);
	void EnableFlappingChangedHandler(const Checkable::Ptr& checkable);
	void TriggerDowntimeHandler(const Downtime::Ptr& downtime);
	void RemoveDowntimeHandler(const Downtime::Ptr& downtime);
	void ExternalCommandHandler(const String& command, const std::vector<String>& arguments);
	void EventCommandHandler(const Checkable::Ptr& service);

	static String GetHostStateString(const Host::Ptr& host);

	Timer::Ptr m_RotationTimer;
	void RotationTimerHandler();
	void ScheduleNextRotation();

	std::ofstream m_OutputFile;
	void ReopenFile(bool rotate);
};

}

#endif /* COMPATLOGGER_H */