import type { MetadataRoute } from "next";

import { marketingFeatures } from "@/lib/marketing/features";

import { marketingLastModified, publicUrl } from "@/lib/marketing/seo";

export default function sitemap(): MetadataRoute.Sitemap {
  return [
    {
      url: publicUrl(),
      lastModified: marketingLastModified,
      changeFrequency: "monthly",
      priority: 1,
    },
    { url: publicUrl("/impressum"), changeFrequency: "yearly", priority: 0.2 },
    {
      url: publicUrl("/datenschutz"),
      changeFrequency: "yearly",
      priority: 0.2,
    },
    ...marketingFeatures.map((feature) => ({
      url: publicUrl(`/features/${feature.slug}`),
      lastModified: marketingLastModified,
      changeFrequency: "monthly" as const,
      priority: 0.8,
    })),
  ];
}