<?php

// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2011 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list

// This program is free software; you can redistribute it and/or
// modify it under the terms of the  GNU Lesser General Public License
// as published by the Free Software Foundation; version 2

// 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.

include_once ($config['homedir'] . "/include/functions_groups.php");
include_once ($config['homedir'] . "/include/functions_tags.php");
include_once ($config['homedir'] . "/include/class/Tree.class.php");
include_once ($config['homedir'] . "/include/class/TreeGroup.class.php");

function groupview_plain_groups($groups) {
	$group_result = array();
	foreach ($groups as $group) {
		$plain_child = array();
		if (!empty($group['children'])) {
			$plain_child = groupview_plain_groups($group['children']);
			unset($group['children']);
		}
		$group_result[] = $group;
		$group_result = array_merge($group_result, $plain_child);
	}
	return $group_result;
}

function groupview_get_modules_counters($groups_ids = false) {
	$groups_ids = implode(',', $groups_ids);

	$fields = array (
		"g" ,
		"SUM(module_normal) AS total_module_normal",
		"SUM(module_critical) AS total_module_critical",
		"SUM(module_warning) AS total_module_warning",
		"SUM(module_unknown) AS total_module_unknown",
		"SUM(module_not_init) AS total_module_not_init",
		"SUM(module_alerts) AS total_module_alerts",
		"SUM(module_total) AS total_module"
	);

	$fields_impl = implode(',', $fields);
	$sql = "SELECT $fields_impl FROM
	(
		SELECT SUM(ta.normal_count) AS module_normal,
			SUM(ta.critical_count) AS module_critical,
			SUM(ta.warning_count) AS module_warning,
			SUM(ta.unknown_count) AS module_unknown,
			SUM(ta.notinit_count) AS module_not_init,
			SUM(ta.fired_count) AS module_alerts,
			SUM(ta.total_count) AS module_total,
			ta.id_grupo AS g
		FROM tagente ta
		WHERE ta.id_grupo IN ($groups_ids)
		GROUP BY ta.id_grupo
		UNION ALL
		SELECT SUM(ta.normal_count) AS module_normal,
			SUM(ta.critical_count) AS module_critical,
			SUM(ta.warning_count) AS module_warning,
			SUM(ta.unknown_count) AS module_unknown,
			SUM(ta.notinit_count) AS module_not_init,
			SUM(ta.fired_count) AS module_alerts,
			SUM(ta.total_count) AS module_total,
			tasg.id_group AS g
		FROM tagente ta
		INNER JOIN tagent_secondary_group tasg
			ON ta.id_agente = tasg.id_agent
		WHERE tasg.id_group IN ($groups_ids)
		GROUP BY tasg.id_group
	) x GROUP BY g";
	return db_get_all_rows_sql($sql);
}

function groupview_get_all_counters() {
	$all_name = __("All");
	$group_acl = Tree::getGroupAclCondition();
	$sql =
		"SELECT SUM(ta.normal_count) AS _monitors_ok_,
			SUM(ta.critical_count) AS _monitors_critical_,
			SUM(ta.warning_count) AS _monitors_warning_,
			SUM(ta.unknown_count) AS _monitors_unknown_,
			SUM(ta.notinit_count) AS _monitors_not_init_,
			SUM(ta.fired_count) AS _monitors_alerts_fired_,
			SUM(ta.total_count) AS _monitor_checks_,
			SUM(IF(ta.critical_count > 0, 1, 0)) AS _agents_critical_,
			SUM(IF(ta.critical_count = 0 AND ta.warning_count = 0 AND ta.unknown_count > 0, 1, 0)) AS _agents_unknown_,
			SUM(IF(ta.total_count = ta.notinit_count, 1, 0)) AS _agents_not_init_,
			COUNT(ta.id_agente) AS _total_agents_,
			'$all_name' AS _name_,
			0 AS _id_,
			'' AS _icon_
		FROM tagente ta
		WHERE ta.id_agente
			IN (
				SELECT ta.id_agente FROM tagente ta
				LEFT JOIN tagent_secondary_group tasg
					ON ta.id_agente = tasg.id_agent
				WHERE 1=1 $group_acl
			)
	";
	$data = db_get_row_sql($sql);
	$data["_monitor_not_normal_"] = $data["_monitor_checks_"] - $data["_monitors_ok_"];
	return $data;
}

function groupview_get_groups_list($id_user = false, $access = 'AR', $is_not_paginated = false) {
	global $config;
	if ($id_user == false) {
		$id_user = $config['id_user'];
	}

	$tree_group =  new TreeGroup("group", "group");
	$tree_group->setPropagateCounters(false);
	$tree_group->setFilter( array(
		'searchAgent' => '',
		'statusAgent' => AGENT_STATUS_ALL,
		'searchModule' => '',
		'statusModule' => -1,
		'groupID' => 0,
		'tagID' => 0,
	));
	$info = $tree_group->getArray();
	$info = groupview_plain_groups($info);
	$counter = count($info);

	$offset = get_parameter('offset', 0);
	$groups_view = $is_not_paginated
		? $info
		: array_slice($info, $offset, $config['block_size']);
	$agents_counters = array_reduce($groups_view, function($carry, $item){
		$carry[$item['id']] = $item;
		return $carry;
	}, array());

	$modules_counters = groupview_get_modules_counters(array_keys($agents_counters));
	$modules_counters = array_reduce($modules_counters, function($carry, $item){
		$carry[$item['g']] = $item;
		return $carry;
	}, array());

	$total_counters = array();

	foreach ($agents_counters as $id_group => $agent_counter) {
		$list[$id_group]['_name_'] = $agent_counter['name'];
		$list[$id_group]['_id_'] = $agent_counter['id'];
		$list[$id_group]['icon'] = $agent_counter['icon'];

		$list[$id_group]['_agents_not_init_'] = $agent_counter['counters']['not_init'];
		$list[$id_group]['_agents_unknown_'] = $agent_counter['counters']['unknown'];
		$list[$id_group]['_agents_critical_'] = $agent_counter['counters']['critical'];
		$list[$id_group]['_total_agents_'] = $agent_counter['counters']['total'];

		$list[$id_group]['_monitors_critical_'] = (int)$modules_counters[$id_group]['total_module_critical'];
		$list[$id_group]['_monitors_warning_'] = (int)$modules_counters[$id_group]['total_module_warning'];
		$list[$id_group]['_monitors_unknown_'] = (int)$modules_counters[$id_group]['total_module_unknown'];
		$list[$id_group]['_monitors_not_init_'] = (int)$modules_counters[$id_group]['total_module_not_init'];
		$list[$id_group]['_monitors_ok_'] = (int)$modules_counters[$id_group]['total_module_normal'];
		$list[$id_group]["_monitor_checks_"] = (int)$modules_counters[$id_group]['total_module'];
		$list[$id_group]["_monitor_not_normal_"] = $list[$group['id_grupo']]["_monitor_checks_"] - $list[$group['id_grupo']]['_monitors_ok_'];
		$list[$id_group]['_monitors_alerts_fired_'] = (int)$modules_counters[$id_group]['total_module_alerts'];
	}

	array_unshift($list, groupview_get_all_counters());
	return array(
		'groups' => $list,
		'counter' => $counter
	);
}

?>