// app/notes/page.tsx
// Server Component. Loads all notes from PocketBase and hands them to
// the Client Component <NotesList> which owns the CRUD UI state.
//
// Notes live in the ysterbaard_notes collection. If the collection is
// missing (PB returns 404) or any other load error happens, the page
// renders an inline error banner instead of crashing with a generic 500.

import { fetchCollection } from "@/lib/pb";
import type { YsterbaardNote } from "@/lib/types";
import PageHeader from "@/components/PageHeader";
import NotesList from "./NotesList";

export const dynamic = "force-dynamic";

async function loadNotes(): Promise<{ notes: YsterbaardNote[]; error: string | null }> {
  try {
    const list = await fetchCollection<YsterbaardNote>("ysterbaard_notes", {
      page: 1,
      perPage: 500,
      sort: "-id",
    });
    return { notes: list.items ?? [], error: null };
  } catch (err) {
    const msg = err instanceof Error ? err.message : "Unknown PB error";
    if (msg.includes("404") || msg.toLowerCase().includes("not found")) {
      return {
        notes: [],
        error:
          "The ysterbaard_notes collection is missing on PocketBase. " +
          "Open https://pb.agent.apphub.co.za/_/ and create it before " +
          "using this tab. See docs/superpowers/specs/2026-09-16-notes-tab-design.md for the field spec.",
      };
    }
    return { notes: [], error: `Could not load notes: ${msg}` };
  }
}

export default async function NotesPage() {
  const { notes, error } = await loadNotes();
  return (
    <>
      <PageHeader
        eyebrow="Quick notes"
        title="Notes"
        subtitle="Things to do. Tick when done, edit, or delete."
      />
      {error ? (
        <div className="container-x py-6">
          <div className="rounded-md border border-amber-300 bg-amber-50 text-amber-900 px-4 py-3 text-sm whitespace-pre-line">
            {error}
          </div>
        </div>
      ) : (
        <NotesList initialNotes={notes} />
      )}
    </>
  );
}