import type { MetadataRoute } from "next";
import { games } from "@/lib/games";
import { getAllPosts } from "@/lib/devblog";

const SITE_URL = "https://highlandgamesstudio.com";

export default function sitemap(): MetadataRoute.Sitemap {
  const now = new Date();

  const staticRoutes: MetadataRoute.Sitemap = [
    { url: `${SITE_URL}/`, lastModified: now, changeFrequency: "monthly", priority: 1 },
    { url: `${SITE_URL}/studio`, lastModified: now, changeFrequency: "monthly", priority: 0.8 },
    { url: `${SITE_URL}/games`, lastModified: now, changeFrequency: "weekly", priority: 0.9 },
    { url: `${SITE_URL}/devblog`, lastModified: now, changeFrequency: "weekly", priority: 0.8 },
    { url: `${SITE_URL}/contact`, lastModified: now, changeFrequency: "yearly", priority: 0.5 },
    { url: `${SITE_URL}/legal/notice`, lastModified: now, changeFrequency: "yearly", priority: 0.2 },
    { url: `${SITE_URL}/legal/privacy`, lastModified: now, changeFrequency: "yearly", priority: 0.2 },
  ];

  const gameRoutes: MetadataRoute.Sitemap = games.map((g) => ({
    url: `${SITE_URL}/games/${g.slug}`,
    lastModified: now,
    changeFrequency: "monthly",
    priority: 0.7,
  }));

  const postRoutes: MetadataRoute.Sitemap = getAllPosts().map((p) => ({
    url: `${SITE_URL}/devblog/${p.slug}`,
    lastModified: new Date(p.date),
    changeFrequency: "yearly",
    priority: 0.6,
  }));

  return [...staticRoutes, ...gameRoutes, ...postRoutes];
}