import { MetadataRoute } from 'next';

const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? 'https://antiplagiat.uz';
const LOCALES = ['uz', 'ru', 'en'] as const;

// Add your static page slugs here
const STATIC_ROUTES = ['', '/about', '/history', '/contact'];

export default function sitemap(): MetadataRoute.Sitemap {
  const entries: MetadataRoute.Sitemap = [];

  for (const locale of LOCALES) {
    for (const route of STATIC_ROUTES) {
      entries.push({
        url: `${SITE_URL}/${locale}${route}`,
        lastModified: new Date(),
        changeFrequency: route === '' ? 'daily' : 'weekly',
        priority: route === '' ? 1.0 : 0.8,
        alternates: {
          languages: Object.fromEntries(
            LOCALES.map((l) => [l, `${SITE_URL}/${l}${route}`]),
          ),
        },
      });
    }
  }

  return entries;
}