<?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
 *
 */

require_once 'Centreon/Object/Object.php';

/**
 * Class
 *
 * @class Centreon_Object_DependencyHostParent
 * @description Used for interacting with dependencies
 */
class Centreon_Object_DependencyHostParent extends Centreon_Object
{
    /** @var string */
    protected $table = 'dependency_hostParent_relation';

    /** @var string */
    protected $primaryKey = 'dependency_dep_id';

    /**
     * @param int $hostId
     *
     * @throws PDOException
     * @return void
     */
    public function removeRelationLastHostDependency(int $hostId): void
    {
        $query = 'SELECT count(dependency_dep_id) AS nb_dependency , dependency_dep_id AS id
              FROM dependency_hostParent_relation
              WHERE dependency_dep_id = (SELECT dependency_dep_id FROM dependency_hostParent_relation
                                         WHERE host_host_id = ?)
              GROUP BY dependency_dep_id';
        $result = $this->getResult($query, [$hostId], 'fetch');

        // is last parent
        if (isset($result['nb_dependency']) && $result['nb_dependency'] == 1) {
            $this->db->query('DELETE FROM dependency WHERE dep_id = ' . $result['id']);
        }
    }
}
