/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012-present Icinga Development Team (http://www.icinga.org) *
 *                                                                            *
 * 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.             *
 ******************************************************************************/

#include "methods/icingachecktask.h"
#include "icinga/cib.h"
#include "icinga/service.h"
#include "icinga/icingaapplication.h"
#include "base/application.h"
#include "base/objectlock.h"
#include "base/utility.h"
#include "base/scriptfunction.h"
#include "base/dynamictype.h"

using namespace icinga;

REGISTER_SCRIPTFUNCTION(IcingaCheck, &IcingaCheckTask::ScriptFunc);

CheckResult::Ptr IcingaCheckTask::ScriptFunc(const Service::Ptr&)
{
	double interval = Utility::GetTime() - Application::GetStartTime();

	if (interval > 60)
		interval = 60;

	Dictionary::Ptr perfdata = make_shared<Dictionary>();
	perfdata->Set("active_checks", CIB::GetActiveChecksStatistics(interval) / interval);
	perfdata->Set("passive_checks", CIB::GetPassiveChecksStatistics(interval) / interval);

	ServiceCheckStatistics scs = CIB::CalculateServiceCheckStats();

	perfdata->Set("min_latency", scs.min_latency);
	perfdata->Set("max_latency", scs.max_latency);
	perfdata->Set("avg_latency", scs.avg_latency);
	perfdata->Set("min_execution_time", scs.min_latency);
	perfdata->Set("max_execution_time", scs.max_latency);
	perfdata->Set("avg_execution_time", scs.avg_execution_time);

	ServiceStatistics ss = CIB::CalculateServiceStats();

	perfdata->Set("num_services_ok", ss.services_ok);
	perfdata->Set("num_services_warning", ss.services_warning);
	perfdata->Set("num_services_critical", ss.services_critical);
	perfdata->Set("num_services_unknown", ss.services_unknown);
	perfdata->Set("num_services_pending", ss.services_pending);
	perfdata->Set("num_services_unreachable", ss.services_unreachable);
	perfdata->Set("num_services_flapping", ss.services_flapping);
	perfdata->Set("num_services_in_downtime", ss.services_in_downtime);
	perfdata->Set("num_services_acknowledged", ss.services_acknowledged);

	HostStatistics hs = CIB::CalculateHostStats();

	perfdata->Set("num_hosts_up", hs.hosts_up);
	perfdata->Set("num_hosts_down", hs.hosts_down);
	perfdata->Set("num_hosts_unreachable", hs.hosts_unreachable);
	perfdata->Set("num_hosts_flapping", hs.hosts_flapping);
	perfdata->Set("num_hosts_in_downtime", hs.hosts_in_downtime);
	perfdata->Set("num_hosts_acknowledged", hs.hosts_acknowledged);

	CheckResult::Ptr cr = make_shared<CheckResult>();
	cr->SetOutput("Icinga 2 is running.");
	cr->SetPerformanceData(perfdata);
	cr->SetState(StateOK);
	cr->SetCheckSource(IcingaApplication::GetInstance()->GetNodeName());

	return cr;
}