const express = require('express');
const router = express.Router();
const contentService = require('../services/content');

router.get('/:slug', (req, res, next) => {
  const pagePath = `/${req.params.slug}`;
  const page = contentService.getPage(pagePath);
  if (!page) {
    return next(); // Fall through to 404
  }

  res.locals.seo = {
    title: `${page.title} - ${res.locals.site.title}`,
    description: page.frontmatter.description || res.locals.site.tagline,
    canonicalUrl: `${res.locals.site.url}${pagePath}`,
    ogImage: res.locals.seo.ogImage,
    type: 'website'
  };

  const layout = page.layout === 'home' ? 'pages/home' : 'pages/page';

  res.render(layout, {
    title: page.title,
    page
  });
});

module.exports = router;