<?php

/*
 * Copyright 2005 - 2025 Centreon (https://www.centreon.com/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For more information : contact@centreon.com
 *
 */

ini_set('display_errors', 'Off');

require_once realpath(__DIR__ . '/../../../../../../bootstrap.php');
include_once _CENTREON_PATH_ . 'www/class/centreonUtils.class.php';
include_once _CENTREON_PATH_ . 'www/class/centreonXMLBGRequest.class.php';
include_once _CENTREON_PATH_ . 'www/include/monitoring/status/Common/common-Func.php';
include_once _CENTREON_PATH_ . 'www/include/common/common-Func.php';
include_once _CENTREON_PATH_ . 'www/class/centreonService.class.php';

// Create XML Request Objects
CentreonSession::start(1);
$obj = new CentreonXMLBGRequest($dependencyInjector, session_id(), 1, 1, 0, 1);
$svcObj = new CentreonService($obj->DB);

if (! isset($obj->session_id) || ! CentreonSession::checkSession($obj->session_id, $obj->DB)) {
    echo 'Bad Session ID';

    exit();
}

// Set Default Poller
$obj->getDefaultFilters();

/**
 * @var Centreon $centreon
 */
$centreon = $_SESSION['centreon'];

/**
 * true: URIs will correspond to deprecated pages
 * false: URIs will correspond to new page (Resource Status)
 */
$useDeprecatedPages = $centreon->user->doesShowDeprecatedPages();

// Check Arguments From GET tab
$o = isset($_GET['o']) ? HtmlAnalyzer::sanitizeAndRemoveTags($_GET['o']) : 'h';
$p = filter_input(INPUT_GET, 'p', FILTER_VALIDATE_INT, ['options' => ['default' => 2]]);
$num = filter_input(INPUT_GET, 'num', FILTER_VALIDATE_INT, ['options' => ['default' => 0]]);
$limit = filter_input(INPUT_GET, 'limit', FILTER_VALIDATE_INT, ['options' => ['default' => 20]]);
// if instance value is not set, displaying all active pollers linked resources
$instance = filter_var($obj->defaultPoller ?? -1, FILTER_VALIDATE_INT);
$hSearch = isset($_GET['host_search']) ? HtmlAnalyzer::sanitizeAndRemoveTags($_GET['host_search']) : '';
$sgSearch = isset($_GET['sg_search']) ? HtmlAnalyzer::sanitizeAndRemoveTags($_GET['sg_search']) : '';
$sort_type = isset($_GET['sort_type']) ? HtmlAnalyzer::sanitizeAndRemoveTags($_GET['sort_type']) : 'host_name';
$order = isset($_GET['order']) && $_GET['order'] === 'DESC' ? 'DESC' : 'ASC';

$kernel = App\Kernel::createForWeb();
$resourceController = $kernel->getContainer()->get(
    Centreon\Application\Controller\MonitoringResourceController::class
);

// saving bound values
$queryValues = [];
$queryValues2 = [];

// Backup poller selection
$obj->setInstanceHistory($instance);

/**
 * Prepare pagination
 */
$s_search = '';
// Display service problems
if (str_ends_with($o, '_pb')) {
    $s_search .= ' AND s.state != 0 AND s.state != 4 ';
}
// Display acknowledged services
if (str_ends_with($o, '_ack_1')) {
    $s_search .= " AND s.acknowledged = '1' ";
} elseif (str_ends_with($o, '_ack_0')) {
    // Display not acknowledged services
    $s_search .= ' AND s.state != 0 AND s.state != 4 AND s.acknowledged = 0 ';
}

$query = 'SELECT SQL_CALC_FOUND_ROWS DISTINCT 1 AS REALTIME, sg.servicegroup_id, h.host_id
    FROM servicegroups sg
    INNER JOIN services_servicegroups sgm ON sg.servicegroup_id = sgm.servicegroup_id
    INNER JOIN services s ON s.service_id = sgm.service_id
    INNER JOIN  hosts h ON sgm.host_id = h.host_id AND h.host_id = s.host_id '
    . $obj->access->getACLHostsTableJoin($obj->DBC, 'h.host_id')
    . $obj->access->getACLServicesTableJoin($obj->DBC, 's.service_id')
    . ' WHERE 1 = 1  ';

// Servicegroup ACL
$query .= $obj->access->queryBuilder('AND', 'sg.servicegroup_id', $obj->access->getServiceGroupsString('ID'));

// Servicegroup search
if ($sgSearch != '') {
    $query .= 'AND sg.name = :sgSearch ';
    $queryValues['sgSearch'] = [
        PDO::PARAM_STR => $sgSearch,
    ];
}

// Host search
$h_search = '';
if ($hSearch != '') {
    $h_search .= ' AND h.name LIKE :hSearch ';
    // as this partial request is used in two queries, we need to bound it two times using two arrays
    // to avoid incoherent number of bound variables in the second query
    $queryValues['hSearch'] = $queryValues2['hSearch'] = [
        PDO::PARAM_STR => '%' . $hSearch . '%',
    ];
}
$query .= $h_search;

// Service search
$query .= $s_search;

// Poller search
if ($instance != -1) {
    $query .= ' AND h.instance_id = :instance ';
    $queryValues['instance'] = [
        PDO::PARAM_INT => $instance,
    ];
}

$query .= 'ORDER BY sg.name ' . $order . ' LIMIT :numLimit, :limit';
$queryValues['numLimit'] = [
    PDO::PARAM_INT => (int) ($num * $limit),
];
$queryValues['limit'] = [
    PDO::PARAM_INT => (int) $limit,
];

$dbResult = $obj->DBC->prepare($query);
foreach ($queryValues as $bindId => $bindData) {
    foreach ($bindData as $bindType => $bindValue) {
        $dbResult->bindValue($bindId, $bindValue, $bindType);
    }
}
$dbResult->execute();
$numRows = $obj->DBC->query('SELECT FOUND_ROWS() AS REALTIME')->fetchColumn();

/**
 * Create XML Flow
 */
$obj->XML = new CentreonXML();
$obj->XML->startElement('reponse');
$obj->XML->startElement('i');
$obj->XML->writeElement('numrows', $numRows);
$obj->XML->writeElement('num', $num);
$obj->XML->writeElement('limit', $limit);
$obj->XML->writeElement('host_name', _('Hosts'), 0);
$obj->XML->writeElement('services', _('Services'), 0);
$obj->XML->writeElement('p', $p);
$obj->XML->writeElement('sk', $obj->colorService[0]);
$obj->XML->writeElement('sw', $obj->colorService[1]);
$obj->XML->writeElement('sc', $obj->colorService[2]);
$obj->XML->writeElement('su', $obj->colorService[3]);
$obj->XML->writeElement('sp', $obj->colorService[4]);
$obj->XML->writeElement('s', '1');
$obj->XML->endElement();

$buildParameter = function (string $id, string $name) {
    return [
        'id' => $id,
        'name' => $name,
    ];
};

$buildServicesUri = function (string $hostname, array $statuses) use ($resourceController, $buildParameter) {
    return $resourceController->buildListingUri([
        'filter' => json_encode([
            'criterias' => [
                'search' => 'h.name:^' . $hostname . '$',
                'resourceTypes' => [$buildParameter('service', 'Service')],
                'statuses' => $statuses,
            ],
        ]),
    ]);
};

$okStatus = $buildParameter('OK', 'Ok');
$warningStatus = $buildParameter('WARNING', 'Warning');
$criticalStatus = $buildParameter('CRITICAL', 'Critical');
$unknownStatus = $buildParameter('UNKNOWN', 'Unknown');
$pendingStatus = $buildParameter('PENDING', 'Pending');

// Construct query for servicegroups search
$sg_search = '';
if ($numRows > 0) {
    $sg_search .= 'AND (';
    $servicegroups = [];
    while ($row = $dbResult->fetch()) {
        $servicesgroups[$row['servicegroup_id']][] = $row['host_id'];
    }
    $servicegroupsSql1 = [];
    foreach ($servicesgroups as $key => $value) {
        $hostsSql = [];
        foreach ($value as $hostId) {
            $hostsSql[] = $hostId;
        }
        $servicegroupsSql1[] = '(sg.servicegroup_id = ' . $key . ' AND h.host_id IN ('
            . implode(',', $hostsSql) . ')) ';
    }
    $sg_search .= implode(' OR ', $servicegroupsSql1);
    $sg_search .= ') ';
    if ($sgSearch != '') {
        $sg_search .= 'AND sg.name = :sgSearch';
        $queryValues2['sgSearch'] = [
            PDO::PARAM_STR => $sgSearch,
        ];
    }

    $query2 = 'SELECT SQL_CALC_FOUND_ROWS
        1 AS REALTIME,
        count(s.state) as count_state,
        sg.name AS sg_name,
        h.name AS host_name,
        h.state AS host_state,
        h.icon_image, h.host_id, s.state,
        (CASE s.state WHEN 0 THEN 3 WHEN 2 THEN 0 WHEN 3 THEN 2 ELSE s.state END) AS tri
        FROM servicegroups sg, services_servicegroups sgm, services s, hosts h
        WHERE h.host_id = s.host_id AND s.host_id = sgm.host_id AND s.service_id=sgm.service_id
        AND sg.servicegroup_id=sgm.servicegroup_id '
        . $s_search
        . $sg_search
        . $h_search
        . $obj->access->queryBuilder('AND', 'sg.servicegroup_id', $obj->access->getServiceGroupsString('ID'))
        . $obj->access->queryBuilder('AND', 's.service_id', $obj->access->getServicesString('ID', $obj->DBC))
        . ' GROUP BY sg_name,host_name,host_state,icon_image,host_id, s.state ORDER BY tri ASC ';

    $dbResult = $obj->DBC->prepare($query2);
    foreach ($queryValues2 as $bindId => $bindData) {
        foreach ($bindData as $bindType => $bindValue) {
            $dbResult->bindValue($bindId, $bindValue, $bindType);
        }
    }
    $dbResult->execute();

    $states = [0 => 'sk', 1 => 'sw', 2 => 'sc', 3 => 'su', 4 => 'sp'];

    $sg_list = [];
    while ($tab = $dbResult->fetch()) {
        $sg_list[$tab['sg_name']][$tab['host_name']]['host_id'] = $tab['host_id'];
        $sg_list[$tab['sg_name']][$tab['host_name']]['icon_image'] = $tab['icon_image'];
        $sg_list[$tab['sg_name']][$tab['host_name']]['host_state'] = $tab['host_state'];
        $sg_list[$tab['sg_name']][$tab['host_name']]['states'][$states[$tab['state']]] = $tab['count_state'];
    }

    $ct = 0;
    foreach ($sg_list as $sg => $h) {
        $count = 0;
        $ct++;
        $obj->XML->startElement('sg');
        $obj->XML->writeElement('sgn', CentreonUtils::escapeSecure($sg));
        $obj->XML->writeElement('o', $ct);

        foreach ($h as $hostName => $hostInfos) {
            $count++;
            $obj->XML->startElement('h');
            $obj->XML->writeAttribute('class', $obj->getNextLineClass());
            $obj->XML->writeElement('hn', CentreonUtils::escapeSecure($hostName), false);
            if ($hostInfos['icon_image']) {
                $obj->XML->writeElement('hico', $hostInfos['icon_image']);
            } else {
                $obj->XML->writeElement('hico', 'none');
            }
            $obj->XML->writeElement('hnl', CentreonUtils::escapeSecure(urlencode($hostName)));
            $obj->XML->writeElement('hcount', $count);
            $obj->XML->writeElement('hid', $hostInfos['host_id']);
            $obj->XML->writeElement('hs', _($obj->statusHost[$hostInfos['host_state']]));
            $obj->XML->writeElement('hc', $obj->colorHost[$hostInfos['host_state']]);
            $obj->XML->writeElement(
                'h_details_uri',
                $useDeprecatedPages
                    ? 'main.php?p=20202&o=hd&host_name=' . $hostName
                    : $resourceController->buildHostDetailsUri($hostInfos['host_id'])
            );
            $serviceListingDeprecatedUri = 'main.php?p=20201&o=svc&host_search=' . $hostName;
            $obj->XML->writeElement(
                's_listing_uri',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '$statusFilter='
                    : $resourceController->buildListingUri([
                        'filter' => json_encode([
                            'criterias' => [
                                'search' => 'h.name:^' . $hostName . '$',
                            ],
                        ]),
                    ])
            );
            $obj->XML->writeElement(
                's_listing_ok',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '&statusFilter=ok'
                    : $buildServicesUri($host_name, [$okStatus])
            );
            $obj->XML->writeElement(
                's_listing_warning',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '&statusFilter=warning'
                    : $buildServicesUri($host_name, [$warningStatus])
            );
            $obj->XML->writeElement(
                's_listing_critical',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '&statusFilter=critical'
                    : $buildServicesUri($host_name, [$criticalStatus])
            );
            $obj->XML->writeElement(
                's_listing_unknown',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '&statusFilter=unknown'
                    : $buildServicesUri($host_name, [$unknownStatus])
            );
            $obj->XML->writeElement(
                's_listing_pending',
                $useDeprecatedPages
                    ? $serviceListingDeprecatedUri . '&statusFilter=pending'
                    : $buildServicesUri($host_name, [$pendingStatus])
            );

            foreach ($hostInfos['states'] as $state => $count) {
                $obj->XML->writeElement($state, $count);
            }
            $obj->XML->writeElement('chartIcon', returnSvg('www/img/icons/chart.svg', 'var(--icons-fill-color)', 18, 18));
            $obj->XML->writeElement('viewIcon', returnSvg('www/img/icons/view.svg', 'var(--icons-fill-color)', 18, 18));
            $obj->XML->endElement();
        }
        $obj->XML->endElement();
    }
}

$obj->XML->endElement();

// Send Header
$obj->header();

// Send XML
$obj->XML->output();
