<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2023 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 *
 * ---------------------------------------------------------------------
 */

use Glpi\Inventory\FilesToJSON;

/// Class NetworkPortType
class NetworkPortType extends CommonDropdown
{
    public const DEFAULT_TYPE = 'NetworkPortEthernet';

    public static function getTypeName($nb = 0)
    {
        return _n('Network port type', 'Network port types', $nb);
    }

    public function getAdditionalFields()
    {

        return [
            [
                'name'   => 'value_decimal',
                'label'  => __('Decimal'),
                'type'   => 'integer',
                'max'    => 1000
            ], [
                'name'  => 'is_importable',
                'label' => __('Import'),
                'type'  => 'bool'
            ], [
                'name'  => 'instantiation_type',
                'label' => __('Instanciation type'),
                'type'           => 'itemtypename',
                'itemtype_list'      => 'networkport_instantiations',
            ]
        ];
    }

    public function rawSearchOptions()
    {
        $tab = parent::rawSearchOptions();

        $tab[] = [
            'id'                 => '10',
            'table'              => $this->getTable(),
            'field'              => 'value_decimal',
            'name'               => __('Decimal'),
            'datatype'           => 'integer'
        ];

        $tab[] = [
            'id'                 => '11',
            'table'              => $this->getTable(),
            'field'              => 'is_importable',
            'name'               => __('Import'),
            'datatype'           => 'bool'
        ];

        $tab[] = [
            'id'                 => '12',
            'table'              => $this->getTable(),
            'field'              => 'instantiation_type',
            'name'               => __('Instanciation type'),
            'datatype'           => 'itemtypename',
            'itemtype_list'      => 'networkport_instantiations',
        ];

        return $tab;
    }

    public static function getDefaults(): array
    {
        $jsonfile = new FilesToJSON();
        $iftypes = json_decode(file_get_contents($jsonfile->getJsonFilePath('iftype')), true);

        $default_instanciations = [
            'Ethernet'     => [6, 7, 62, 117, 169],
            'Wifi'         => [71],
            'Fiberchannel' => [56]
        ];

        $template = [
            'entities_id'        => 0,
            'is_recursive'       => 0,
            'value_decimal'      => 0,
            'name'               => null,
            'comment'            => null,
            'is_importable'      => 0,
            'instantiation_type' => null,
            'date_creation'      => $_SESSION['glpi_currenttime'],
            'date_mod'           => $_SESSION['glpi_currenttime']
        ];

        $defaults = [];
        foreach ($iftypes as $iftype) {
            $importable = 0;
            $instanciation = null;

            foreach ($default_instanciations as $inst_type => $importables) {
                if (in_array($iftype['decimal'], $importables)) {
                    $importable = 1;
                    $instanciation = 'NetworkPort' . $inst_type;
                }
            }

            $row = array_merge($template, [
                'value_decimal'      => (int)$iftype['decimal'],
                'name'               => $iftype['name'],
                'comment'            => trim($iftype['description'] . ' ' . $iftype['references']),
                'is_importable'      => $importable,
                'instantiation_type' => $instanciation
            ]);
            $defaults[] = $row;
        }
        return $defaults;
    }

    /**
     * Get instantiation type for a port type
     *
     * @param mixed $type Requested type
     *
     * @return false|string
     */
    public static function getInstantiationType($type)
    {
        global $DB, $GLPI_CACHE;

        if (null === $type || empty($type)) {
            return self::DEFAULT_TYPE;
        }

        if (($import_types = $GLPI_CACHE->get('glpi_inventory_ports_types')) === null) {
            $iterator = $DB->request([
                'FROM'   => self::getTable(),
                'WHERE'  => [
                    'is_importable'   => true
                ]
            ]);

            $import_types = [];
            foreach ($iterator as $row) {
                $import_types[$row['value_decimal']] = $row;
            }
            $GLPI_CACHE->set('glpi_inventory_ports_types', $import_types);
        }

        foreach ($import_types as $num => $entry) {
            $name = $entry['name'];
            $othername = "$name ($num)";

            if ($type === $num || $type == $name || $type == $othername) {
                return $row['instantiation_type'] ?? self::DEFAULT_TYPE;
            }
        }

        return false;
    }

    public function post_addItem()
    {
        $this->invalidateCache();
        parent::post_addItem();
    }

    public function post_updateItem($history = 1)
    {
        $this->invalidateCache();
        parent::post_updateItem($history);
    }

    public function post_deleteFromDB()
    {
        $this->invalidateCache();
        parent::post_deleteFromDB();
    }

    protected function invalidateCache()
    {
        global $GLPI_CACHE;
        $GLPI_CACHE->delete('glpi_inventory_ports_types');
    }
}
