Source

// The booking pages this browser manages, so a returning owner finds them on the landing page.
// Admin keys stay on this device; the admin link carries one to another device.
export interface MyPage { handle: string; title: string; key?: string; at: number }

const KEY = "book:pages";

export function myPages(): MyPage[] {
  try {
    const list = JSON.parse(localStorage.getItem(KEY) || "[]");
    return Array.isArray(list) ? list.filter((p) => p && typeof p.handle === "string") : [];
  } catch {
    return [];
  }
}

export function rememberPage(page: Partial<MyPage> & { handle: string }) {
  const list = myPages();
  const prev = list.find((p) => p.handle === page.handle);
  const next = { title: "", at: Date.now(), ...prev, ...page };
  localStorage.setItem(KEY, JSON.stringify([next, ...list.filter((p) => p.handle !== page.handle)].slice(0, 200)));
}

export function adminKey(handle: string): string | undefined {
  return myPages().find((p) => p.handle === handle)?.key;
}