import { Suspense } from 'react';
import { redirect } from 'next/navigation';
import { getServerSession } from '@/lib/auth/getServerSession';
import { PERMISSIONS } from '@/lib/permissions/permissions';
import { cookies } from 'next/headers';
import { SESSION_COOKIE } from '@/lib/auth/requireAuth';
import WishlistTable from '@/components/admin/wishlist/WishlistTable';
import { Metadata } from 'next';
import AccessDenied from '@/components/admin/errors/AccessDenied';

export const metadata: Metadata = {
  title: 'Wishlists',
};

async function getWishlists(sessionToken: string) {
  try {
    const baseUrl = process.env.NEXT_PUBLIC_APP_URL || 'http://localhost:3000';
    const res = await fetch(`${baseUrl}/api/wishlist?user_id=all`, {
      cache: 'no-store',
      headers: { Authorization: `Bearer ${sessionToken}` },
    });
    if (!res.ok) return [];
    const data = await res.json();
    return data.data || [];
  } catch { return []; }
}

export default async function WishlistPage() {
  const cookieStore = await cookies();
  const sessionId = cookieStore.get(SESSION_COOKIE)?.value;
  if (!sessionId) redirect('/admin/login');
  

  const session = await getServerSession();
  if (!session) redirect('/admin/login');
  if (!session.permissions.includes(PERMISSIONS.WISHLIST_READ)) return <AccessDenied />;

  const wishlists = await getWishlists(sessionId);

  return (
    <div className="sm:p-6">
      <div className="flex flex-wrap justify-between items-center gap-3 mb-6">
        <div>
          <h1 className="text-2xl font-semibold" style={{ color: 'var(--color-text)' }}>
            Wishlists ❤️
          </h1>
          <p className="text-sm mt-1" style={{ color: 'var(--color-text-secondary)' }}>
            Products saved by customers
          </p>
        </div>
      </div>
      <Suspense fallback={<div className="skeleton h-96 w-full rounded-lg" />}>
        <WishlistTable data={wishlists} />
      </Suspense>
    </div>
  );
}