<?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
 *
 */

namespace Centreon\Domain\Repository;

use Centreon\Infrastructure\CentreonLegacyDB\ServiceEntityRepository;

class GivGraphTemplateRepository extends ServiceEntityRepository
{
    /**
     * Export
     *
     * @param int[] $pollerIds
     * @param array $hostTemplateChain
     * @param array $serviceTemplateChain
     * @return array
     */
    public function export(array $pollerIds, ?array $hostTemplateChain = null, ?array $serviceTemplateChain = null): array
    {
        // prevent SQL exception
        if (! $pollerIds) {
            return [];
        }

        $ids = join(',', $pollerIds);
        $hostList = join(',', $hostTemplateChain ?? []);
        $sqlFilterHostList = $hostList ? " OR msr.host_id IN ({$hostList})" : '';

        $serviceList = join(',', $serviceTemplateChain ?? []);
        $sqlFilterServiceList = $serviceList ? " OR esi2.service_service_id IN ({$serviceList})" : '';

        $sql = <<<SQL
            SELECT l.* FROM (
            SELECT
                t.*
            FROM giv_graphs_template AS t
            INNER JOIN meta_service AS ms ON ms.graph_id = t.graph_id
            INNER JOIN meta_service_relation AS msr ON msr.meta_id = ms.meta_id
            WHERE msr.host_id IN (SELECT t1a.host_host_id
                FROM
                    ns_host_relation AS t1a
                WHERE
                    t1a.nagios_server_id IN ({$ids})
                GROUP BY t1a.host_host_id){$sqlFilterHostList}
            GROUP BY t.graph_id

            UNION

            SELECT
                t2.*
            FROM giv_graphs_template AS t2
            INNER JOIN extended_service_information AS esi2 ON esi2.graph_id = t2.graph_id
            WHERE esi2.service_service_id IN (SELECT t2a.service_service_id
                FROM
                    host_service_relation AS t2a
                        LEFT JOIN
                    hostgroup AS hg2a ON hg2a.hg_id = t2a.hostgroup_hg_id
                        LEFT JOIN
                    hostgroup_relation AS hgr2a ON hgr2a.hostgroup_hg_id = hg2a.hg_id
                        INNER JOIN
                    ns_host_relation AS hr2a ON hr2a.host_host_id = t2a.host_host_id
                        OR hr2a.host_host_id = hgr2a.host_host_id
                WHERE
                    hr2a.nagios_server_id IN ({$ids})
                GROUP BY t2a.service_service_id){$sqlFilterServiceList}
            GROUP BY t2.graph_id
            ) AS l
            GROUP BY l.graph_id
            SQL;
        $stmt = $this->db->prepare($sql);
        $stmt->execute();

        $result = [];

        while ($row = $stmt->fetch()) {
            $result[] = $row;
        }

        return $result;
    }

    /**
     * Export list
     *
     * @param int[] $list
     * @return array
     */
    public function exportList(array $list): array
    {
        // prevent SQL exception
        if (! $list) {
            return [];
        }

        $ids = join(',', $list);

        $sql = <<<SQL
            SELECT
                t.*
            FROM giv_graphs_template AS t
            WHERE t.graph_id IN ({$ids})
            GROUP BY t.graph_id
            SQL;
        $stmt = $this->db->prepare($sql);
        $stmt->execute();

        $result = [];

        while ($row = $stmt->fetch()) {
            $result[] = $row;
        }

        return $result;
    }

    public function truncate(): void
    {
        $sql = <<<'SQL'
            TRUNCATE TABLE `giv_graphs_template`;
            SQL;
        $stmt = $this->db->prepare($sql);
        $stmt->execute();
    }
}
