import { NextApiRequest, NextApiResponse } from 'next'

export default function handler(req: NextApiRequest, res: NextApiResponse) {
  const baseUrl = 'https://protekauto.ru'
  
  const staticPages = [
    {
      url: '',
      lastModified: new Date().toISOString(),
      changeFrequency: 'daily',
      priority: 1.0,
    },
    {
      url: '/about',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.8,
    },
    {
      url: '/contacts',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.8,
    },
    {
      url: '/catalog',
      lastModified: new Date().toISOString(),
      changeFrequency: 'weekly',
      priority: 0.9,
    },
    {
      url: '/news',
      lastModified: new Date().toISOString(),
      changeFrequency: 'weekly',
      priority: 0.7,
    },
    {
      url: '/brands',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.7,
    },
    {
      url: '/delivery',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.6,
    },
    {
      url: '/payment',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.6,
    },
    {
      url: '/wholesale',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.6,
    },
    {
      url: '/vin',
      lastModified: new Date().toISOString(),
      changeFrequency: 'monthly',
      priority: 0.7,
    },
  ]

  const sitemap = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
${staticPages
  .map(
    (page) => `  <url>
    <loc>${baseUrl}${page.url}</loc>
    <lastmod>${page.lastModified}</lastmod>
    <changefreq>${page.changeFrequency}</changefreq>
    <priority>${page.priority}</priority>
  </url>`
  )
  .join('\n')}
</urlset>`

  res.setHeader('Content-Type', 'application/xml')
  res.status(200).send(sitemap)
}