import { MetadataRoute } from "next";
import { PUB_CATEGORIES } from "../content/categories";

export default function sitemap(): MetadataRoute.Sitemap {
  const baseUrl = "https://anl.knu.ac.kr";

  const staticRoutes: MetadataRoute.Sitemap = [
    {
      url: `${baseUrl}`,
      lastModified: new Date(),
      changeFrequency: "monthly",
      priority: 1.0,
    },
    {
      url: `${baseUrl}/members`,
      lastModified: new Date(),
      changeFrequency: "monthly",
      priority: 0.8,
    },
    {
      url: `${baseUrl}/publications`,
      lastModified: new Date(),
      changeFrequency: "monthly",
      priority: 0.9,
    },
    {
      url: `${baseUrl}/lectures`,
      lastModified: new Date(),
      changeFrequency: "monthly",
      priority: 0.7,
    },
    {
      url: `${baseUrl}/standardization`,
      lastModified: new Date(),
      changeFrequency: "monthly",
      priority: 0.8,
    },
  ];

  const categoryRoutes: MetadataRoute.Sitemap = PUB_CATEGORIES.map((cat) => ({
    url: `${baseUrl}/publications/${cat.slug}`,
    lastModified: new Date(),
    changeFrequency: "monthly",
    priority: 0.8,
  }));

  return [...staticRoutes, ...categoryRoutes];
}