pausera/includes/admin-ui.php

<?php

/************************************************************************************
 * Pausera – Admin UI renderer (hook: pausera_render_ui)
 ************************************************************************************/
if (!defined('ABSPATH')) exit;

add_action('pausera_render_ui', function () {
  $settings       = get_option('pausera_settings', []);
  $enabled        = !empty($settings['enable_maintenance']);
  $excluded_ips   = isset($settings['excluded_ips']) ? implode(',', (array) $settings['excluded_ips']) : '';
  $redirect_url   = $settings['redirect_url'] ?? '/maintenance';
  $excluded_roles = (array)($settings['excluded_roles'] ?? []);
  $allowed_users  = (array)($settings['allowed_users'] ?? []);
  $excluded_slugs = (array)($settings['excluded_slugs'] ?? []);

  $plugin_data = function_exists('get_plugin_data') ? get_plugin_data(PAUSERA_PATH . 'pausera.php') : ['Version' => '—'];

  global $wp_roles;
  $all_users = get_users(['fields' => ['user_login']]);
  $usernames = array_map(function ($u) {
    return $u->user_login;
  }, $all_users);
?>
  <div class="pausera-status-bar">
    Aktueller Status: <?php echo $enabled ? 'Wartungsmodus AKTIV' : 'Deaktiviert'; ?>
  </div>

  <div class="pausera-header">
    <div class="pausera-title">Pausera</div>
  </div>

  <?php if (isset($_GET['settings-updated']) && $_GET['settings-updated'] === 'true') : ?>
    <div class="pausera-notice success">
      <?php echo esc_html(__('Settings saved successfully.', 'pausera')); ?>
    </div>
  <?php endif; ?>

  <div class="pausera-wrap">
    <div class="formular">
      <form method="post" action="options.php" id="pausera-form">
        <?php settings_fields('pausera_group'); ?>

        <div class="pausera-card toggle-box <?php echo $enabled ? 'active' : ''; ?>" id="maintenance-toggle">
          <input type="checkbox" id="maintenance_toggle_input" name="pausera_settings[enable_maintenance]" value="1" <?php checked($enabled); ?> />
          <label for="maintenance_toggle_input">
            <strong class="pausera-toggle-label" data-label-on="Deaktivieren" data-label-off="Aktivieren">
              <?php echo $enabled ? 'Deaktivieren' : 'Aktivieren'; ?>
            </strong>
          </label>
        </div>

        <div class="pausera-card">
          <h3>Weiterleitungsseite</h3>
          <label>Seite auswählen</label>
          <select name="pausera_settings[redirect_url]" class="acf-style-select">
            <?php foreach (get_pages() as $page) :
              $slug = '/' . basename(get_permalink($page->ID));
              $selected = selected($redirect_url, $slug, false);
              echo "<option value='{$slug}' {$selected}>" . esc_html($page->post_title) . "</option>";
            endforeach; ?>
          </select>
        </div>

        <div class="pausera-card">
          <h3>Erlaubte Benutzer</h3>
          <label>Mehrere Benutzernamen mit Komma trennen</label>
          <select name="pausera_settings[allowed_users][]" multiple class="acf-style-select">
            <?php foreach ($usernames as $username) :
              $selected = in_array($username, $allowed_users, true) ? 'selected' : '';
              echo "<option value='" . esc_attr($username) . "' {$selected}>" . esc_html($username) . "</option>";
            endforeach; ?>
          </select>
        </div>

        <div class="pausera-card">
          <h3>Benutzerrollen</h3>
          <label>Mehrfachauswahl möglich</label>
          <select name="pausera_settings[excluded_roles][]" multiple class="acf-style-select">
            <?php foreach ($wp_roles->roles as $key => $role) :
              $selected = in_array($key, $excluded_roles, true) ? 'selected' : '';
              echo "<option value='" . esc_attr($key) . "' {$selected}>" . esc_html($role['name']) . "</option>";
            endforeach; ?>
          </select>
        </div>

        <div class="pausera-card">
          <h3>Ausgeschlossene Seiten (Slugs/Paths)</h3>
          <label>Diese Seiten bleiben im Wartungsmodus erreichbar.</label>

          <select name="pausera_settings[excluded_slugs][]" multiple class="acf-style-select">
            <?php
            $pages = get_pages();
            foreach ($pages as $page) {
              $slug = '/' . basename(get_permalink($page->ID));
              $slug = trim($slug, '/');
              $selected = in_array($slug, $excluded_slugs, true) ? 'selected' : '';
              echo "<option value='" . esc_attr($slug) . "' {$selected}>" . esc_html($page->post_title) . " ({$slug})</option>";
            }
            ?>
          </select>
        </div>



        <div class="pausera-card">
          <h3>Ausgeschlossene IP-Adressen</h3>
          <label>Mehrere IPs mit Komma trennen</label>
          <input type="text" name="pausera_settings[excluded_ips]" value="<?php echo esc_attr($excluded_ips); ?>" placeholder="127.0.0.1, 88.99.99.99">
        </div>

        <div class="pausera-buttons">
          <button type="submit" class="pausera-save">Speichern</button>
        </div>

        <div class="pausera-confirm-overlay" id="pausera-confirm-box">
          <div class="pausera-confirm-dialog">
            <h3>Einstellungen speichern?</h3>
            <p>Bitte bestätigen Sie, dass Sie die Änderungen speichern möchten.</p>
            <div class="pausera-buttons">
              <button type="button" id="confirm-save" class="pausera-save">Ja, speichern</button>
              <button type="button" id="cancel-save" class="pausera-reset">Abbrechen</button>
            </div>
          </div>
        </div>

      </form>
    </div>

    <div class="pausera-sidebar">
      <h4>Plugin-Informationen</h4>
      <ul>
        <li><strong>Version:</strong> <?php echo esc_html($plugin_data['Version']); ?></li>
        <li><strong>Autor:</strong> Ihr Name</li>
        <li><strong>Website:</strong> <a href="https://example.com" target="_blank" rel="noopener">example.com</a></li>
      </ul>

      <h4>Plugin-Links</h4>
      <ul>
        <li><a href="https://example.com/docs" target="_blank" rel="noopener">📄 Dokumentation</a></li>
        <li><a href="mailto:support@example.com">Kontaktieren Sie uns</a></li>
      </ul>
    </div>
  </div>
<?php });