<?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\Event;
use Glpi\Http\Response;

include('../inc/includes.php');

Session::checkValidSessionId();

$link = new ManualLink();
if (array_key_exists('id', $_REQUEST) && !$link->getFromDB($_REQUEST['id'])) {
    Response::sendError(404, 'No item found for given id', Response::CONTENT_TYPE_TEXT_HTML);
}

if (array_key_exists('purge', $_POST) || array_key_exists('delete', $_POST)) {
    $link->check($_POST['id'], PURGE);

    if ($link->delete($_POST, 1)) {
        Event::log(
            $_POST['id'],
            'manuallinks',
            4,
            'tools',
            sprintf(__('%s purges an item'), $_SESSION['glpiname'])
        );
        $item = getItemForItemtype($link->fields['itemtype']);
        $item->getFromDB($link->fields['items_id']);
        Html::redirect($item->getLinkURL());
    }

    Html::back();
} else if (array_key_exists('add', $_POST)) {
    $link->check(-1, CREATE, $_POST);
    if ($id = $link->add($_POST)) {
        Event::log(
            $id,
            'manuallinks',
            4,
            'tools',
            sprintf(__('%1$s adds the item %2$s'), $_SESSION['glpiname'], $_POST['name'])
        );
        $item = getItemForItemtype($link->fields['itemtype']);
        $item->getFromDB($link->fields['items_id']);
        Html::redirect($item->getLinkURL());
    }
    Html::back();
} else if (array_key_exists('update', $_POST)) {
    $link->check($_POST['id'], UPDATE);
    if ($link->update($_POST)) {
        Event::log(
            $_POST['id'],
            'manuallinks',
            4,
            'tools',
            sprintf(__('%s updates an item'), $_SESSION['glpiname'])
        );
        $item = getItemForItemtype($link->fields['itemtype']);
        $item->getFromDB($link->fields['items_id']);
        Html::redirect($item->getLinkURL());
    }
    Html::back();
} else if (
    array_key_exists('id', $_GET)
           || (array_key_exists('itemtype', $_GET) && array_key_exists('items_id', $_GET))
) {
    $id       = $link->isNewItem() ? null : $link->fields['id'];
    $itemtype = $link->isNewItem() ? $_GET['itemtype'] : $link->fields['itemtype'];
    $items_id = $link->isNewItem() ? $_GET['items_id'] : $link->fields['items_id'];

    $menus = [Html::getMenuSectorForItemtype($itemtype), $itemtype];
    ManualLink::displayFullPageForItem($id ?? 0, $menus, [
        'formoptions' => 'data-track-changes=true',
        'itemtype'    => $itemtype,
        'items_id'    => $items_id
    ]);
} else {
    Html::displayErrorAndDie('lost');
}
