import { create } from 'xmlbuilder';
import { createSlug } from '@/core/utils/slug';
import odooApi from '@/core/api/odooApi';

export async function getServerSideProps({ res }) {
  const categories = await odooApi('GET', '/api/v1/category/tree');
  const sitemap = create('urlset', { encoding: 'utf-8' }).att(
    'xmlns',
    'http://www.sitemaps.org/schemas/sitemap/0.9'
  );

  categories.forEach((category) => {
    addUrlToSitemap(sitemap, category.name, category.id);
    category.childs.forEach((child1Category) => {
      addUrlToSitemap(sitemap, child1Category.name, child1Category.id);
      child1Category.childs.forEach((child2Category) => {
        addUrlToSitemap(sitemap, child2Category.name, child2Category.id);
      });
    });
  });

  res.setHeader('Content-Type', 'text/xml');
  res.write(sitemap.end());
  res.end();

  return { props: {} };
}

function addUrlToSitemap(sitemap, name, id) {
  const baseUrl = process.env.SELF_HOST + '/shop/category/';
  const date = new Date();
  // const date = '2025-10-30';
  const url = sitemap.ele('url');
  url.ele('loc', createSlug(baseUrl, name, id));
  url.ele('lastmod', date.toISOString().slice(0, 10));
  url.ele('changefreq', 'weekly');
  url.ele('priority', '0.6');
}

export default function SitemapProducts() {
  return null;
}