<?php
// Front-end page renderer for CMS pages (no DB). Requires /inc/pages.php from step2.
require_once __DIR__ . '/pages.php';

function cms_front_menu_items(): array {
  // Update once here when you add more pages
  return [
    ['label' => 'Home', 'href' => '/index.php'],
    ['label' => 'Szukaj', 'href' => '/szukaj/'],
    ['label' => 'Administracyjne', 'href' => '/adm/adm.php'],
    ['label' => 'Scientia', 'href' => '/scientia/scientia.php'],
    ['label' => 'Granty', 'href' => '/granty/granty.php'],
    ['label' => 'Dział Zbiorów', 'href' => '/zbiory/zbiory.php'],
    ['label' => 'Doktoranckie', 'href' => '/doktoranckie/doktoranckie.php'],
    ['label' => 'Media', 'href' => '/media/media.php'],
    ['label' => 'Sieć', 'href' => '/siec/siec.php'],
    ['label' => 'RODO', 'href' => '/rodo/rodo.php'],
    // keep existing static page for now
    ['label' => 'Czas pracy', 'href' => '/czas-pracy.html'],
  ];
}

function cms_front_h($s): string {
  return htmlspecialchars((string)$s, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
}

function cms_render_page(string $slug, string $fallbackTitle): void {
  header('Content-Type: text/html; charset=utf-8');

  $page = cms_load_page($slug);
  $title = trim((string)($page['title'] ?? ''));
  if ($title === '') $title = $fallbackTitle;

  ?><!DOCTYPE html>
  <html lang="pl">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?= cms_front_h($title) ?> - ISEZ-ADM</title>
    <style>
      html, body { margin:0; padding:0; width:100%; min-height:100vh; overflow-x:hidden; }
      body{ background-color:#f0f0df; font-family: Verdana, Arial, Helvetica, sans-serif; font-size:10pt; color:black; box-sizing:border-box; }
      .menu-bar{ background:#D6D3C0; padding:12px 0; text-align:center; margin-bottom:25px; width:100%; box-sizing:border-box; }
      .menu-bar a{ margin:0 8px; color:#3c001e; text-decoration:none; font-family:Arial, Helvetica, sans-serif; font-size:17px; font-weight:bold; white-space:nowrap; }
      .menu-bar a:hover{ text-decoration:underline; color:green; }
      .container{ width:100%; margin:0 auto; padding:0 20px 30px 20px; box-sizing:border-box; max-width:1100px; }
      .section-header{ background:#D8D0B1; padding:12px 20px; font-family:Arial, Helvetica, sans-serif; font-size:18px; font-weight:bold; color:#000; margin:20px 0 15px 0; width:100%; box-sizing:border-box; border-radius:8px; }
      .section-content{ padding:15px; margin:10px 0 25px 0; width:100%; box-sizing:border-box; background:#f8f8f0; border:1px solid #D8D0B1; border-radius:8px; }
      .link-list{ list-style-type:none; padding-left:0; margin:0; width:100%; }
      .link-list > li{ margin:8px 0; }
      .link-list a{ color:#0E5C93; text-decoration:none; font-size:14px; line-height:1.5; }
      .link-list a:hover{ text-decoration:underline; }
      .note{ margin:8px 0 0 0; font-size:13px; opacity:.85; color:#333; }
      .muted{ opacity:.75; }
      @media (max-width: 600px){ .menu-bar a{display:inline-block;margin:6px 6px;font-size:15px;} .container{padding:0 14px 24px 14px;} }
    </style>
  </head>
  <body>

  <div class="menu-bar">
    <?php
      $items = cms_front_menu_items();
      $parts = [];
      foreach ($items as $it) {
        $parts[] = '<a href="' . cms_front_h($it['href']) . '">' . cms_front_h($it['label']) . '</a>';
      }
      echo implode(' - ', $parts);
    ?>
  </div>

  <div class="container">
    <?php $sections = $page['sections'] ?? []; if (!is_array($sections)) $sections = []; ?>

    <?php if (count($sections) === 0): ?>
      <div class="section-content muted">Brak treści dla tej strony. Wejdź do panelu: <a href="/admin/page_edit.php?slug=<?= cms_front_h($slug) ?>">Edycja</a>.</div>
    <?php endif; ?>

    <?php foreach ($sections as $sec): ?>
      <div class="section-header"><?= cms_front_h($sec['title'] ?? '') ?></div>
      <div class="section-content">
        <?php $note = trim((string)($sec['note'] ?? '')); if ($note !== ''): ?>
          <div class="note"><?= nl2br(cms_front_h($note)) ?></div>
        <?php endif; ?>

        <?php $items = $sec['items'] ?? []; if (is_array($items) && count($items) > 0): ?>
          <ul class="link-list">
          <?php foreach ($items as $it): ?>
            <li><a href="<?= cms_front_h($it['href'] ?? '') ?>"><?= cms_front_h($it['title'] ?? '') ?></a></li>
          <?php endforeach; ?>
          </ul>
        <?php else: ?>
          <div class="note muted">Brak linków w tej sekcji.</div>
        <?php endif; ?>
      </div>
    <?php endforeach; ?>

  </div>
  </body>
  </html>
  <?php
}