import browserCollections from "fumadocs-mdx:collections/browser";
import { useFumadocsLoader } from "fumadocs-core/source/client";
import { DocsLayout } from "fumadocs-ui/layouts/docs";
import {
  DocsBody,
  DocsDescription,
  DocsPage,
  DocsTitle,
} from "fumadocs-ui/layouts/docs/page";
import defaultMdxComponents from "fumadocs-ui/mdx";
import { baseOptions } from "@/lib/layout.shared";
import { source } from "@/lib/source";
import type { Route } from "./+types/page";

export async function loader({ params }: Route.LoaderArgs) {
  const slugs = params["*"].split("/").filter((v) => v.length > 0);
  const page = source.getPage(slugs);
  if (!page) throw new Response("Not found", { status: 404 });

  return {
    path: page.path,
    pageTree: await source.serializePageTree(source.pageTree),
  };
}

const clientLoader = browserCollections.docs.createClientLoader({
  component({ toc, default: Mdx, frontmatter }) {
    return (
      <DocsPage toc={toc}>
        <title>{frontmatter.title}</title>
        <meta name="description" content={frontmatter.description} />
        <DocsTitle>{frontmatter.title}</DocsTitle>
        <DocsDescription>{frontmatter.description}</DocsDescription>
        <DocsBody>
          <Mdx components={{ ...defaultMdxComponents }} />
        </DocsBody>
      </DocsPage>
    );
  },
});

export default function Page({ loaderData }: Route.ComponentProps) {
  const Content = clientLoader.getComponent(loaderData.path);
  const { pageTree } = useFumadocsLoader(loaderData);
  return (
    <DocsLayout {...baseOptions()} tree={pageTree}>
      <Content />
    </DocsLayout>
  );
}