<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2021 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI 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 2 of the License, or
 * (at your option) any later version.
 *
 * GLPI 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 GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

$AJAX_INCLUDE = 1;
if (strpos($_SERVER['PHP_SELF'], "uemailUpdate.php")) {
   include ('../inc/includes.php');
   header("Content-Type: text/html; charset=UTF-8");
   Html::header_nocache();
}

Session::checkLoginUser();

if ((isset($_POST['field']) && ($_POST["value"] > 0))
    || (isset($_POST['allow_email']) && $_POST['allow_email'])) {

   if (preg_match('/[^a-z_\-0-9]/i', $_POST['field'])) {
      throw new \RuntimeException('Invalid field provided!');
   }

   $default_email = "";
   $emails        = [];
   if (isset($_POST['typefield']) && ($_POST['typefield'] == 'supplier')) {
      $supplier = new Supplier();
      if ($supplier->getFromDB($_POST["value"])) {
         $default_email = $supplier->fields['email'];
      }
   } else {
      $user          = new User();
      if ($user->getFromDB($_POST["value"])) {
         $default_email = $user->getDefaultEmail();
         $emails        = $user->getAllEmails();
      }
   }

   $user_index = 0;
   if (isset($_POST['_user_index'])) {
      $user_index = $_POST['_user_index'];
   }

   echo __('Email followup').'&nbsp;';

   $default_notif = true;
   if (isset($_POST['use_notification'][$user_index])) {
      $default_notif = $_POST['use_notification'][$user_index];
   }

   if (isset($_POST['alternative_email'][$user_index])
       && !empty($_POST['alternative_email'][$user_index])
       && empty($default_email)) {

      if (NotificationMailing::isUserAddressValid($_POST['alternative_email'][$user_index])) {
         $default_email = $_POST['alternative_email'][$user_index];
      } else {
         throw new \RuntimeException('Invalid email provided!');
      }
   }

   Dropdown::showYesNo($_POST['field'].'[use_notification][]', $default_notif);

   $email_string = '';
   // Only one email
   if ((count($emails) == 1)
       && !empty($default_email)
       && NotificationMailing::isUserAddressValid($default_email[$user_index])) {
      $email_string =  $default_email[$user_index];
      // Clean alternative email
      echo "<input type='hidden' size='25' name='".$_POST['field']."[alternative_email][]'
             value=''>";

   } else if (count($emails) > 1) {
      // Several emails : select in the list
      $emailtab = [];
      foreach ($emails as $new_email) {
         if ($new_email != $default_email) {
            $emailtab[$new_email] = $new_email;
         } else {
            $emailtab[''] = $new_email;
         }
      }
      $email_string = Dropdown::showFromArray($_POST['field']."[alternative_email][]", $emailtab,
                                              ['value'   => '',
                                                    'display' => false]);
   } else {
      $email_string = "<input type='text' size='25' name='".$_POST['field']."[alternative_email][]'
                        value='".htmlentities($default_email, ENT_QUOTES, 'utf-8')."'>";
   }

   echo '<br>';
   printf(__('%1$s: %2$s'), _n('Email', 'Emails', 1), $email_string);

}

Ajax::commonDropdownUpdateItem($_POST);