import { auth } from '../../../../auth';

const API_BASE = process.env.NEXT_PUBLIC_API_URL_INTERNAL || 'http://recipe-api:8080';

async function getAuthHeaders(): Promise<Record<string, string>> {
  const session = await auth();
  if (!session?.accessToken) return {};
  return { Authorization: `Bearer ${session.accessToken}` };
}

// POST /api/admin/bulk-categorize
// Body: { productIds?: number[] }
export async function POST(req: Request) {
  try {
    const body = await req.json().catch(() => ({}));
    const { productIds } = body;

    const authHeaders = await getAuthHeaders();
    if (!authHeaders.Authorization) {
      return Response.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const res = await fetch(`${API_BASE}/api/products/ai-categorize-bulk`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json', ...authHeaders },
      body: JSON.stringify({ productIds }),
    });

    if (!res.ok) {
      const text = await res.text();
      console.error('[api/admin/bulk-categorize] failed:', res.status, text);
      return Response.json({ error: `Bulk-AI-kategorisering misslyckades: ${text}` }, { status: res.status });
    }

    return Response.json(await res.json());
  } catch (err) {
    console.error('[api/admin/bulk-categorize] error:', err);
    return Response.json(
      { error: err instanceof Error ? err.message : 'Unknown error' },
      { status: 500 },
    );
  }
}