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 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
}