"use client";

import useSWR from "swr";
import { fetcher } from "@/lib/fetcher";
import type { DocumentMeta } from "@mcpedia/types";

type DocsEnvelope = DocumentMeta[] | { docs: DocumentMeta[] };

function normalize(data: DocsEnvelope | undefined): DocumentMeta[] {
  if (!data) return [];
  if (Array.isArray(data)) return data;
  return (data as { docs: DocumentMeta[] }).docs ?? [];
}

export function useDocuments(section?: string, status = "published") {
  const params = new URLSearchParams();
  if (section) params.set("section", section);
  if (status) params.set("status", status);
  const qs = params.toString();
  const key = qs ? `/api/docs?${qs}` : "/api/docs";

  const swr = useSWR<DocsEnvelope>(key, fetcher, {
    revalidateOnFocus: false,
  });

  return {
    ...swr,
    docs: normalize(swr.data),
  };
}