import { createReview, getProductReviews } from "@/lib/headless/providers/medusa-reviews";

function bearer(request: Request): string | null {
  const header = request.headers.get("authorization") ?? "";
  return header.startsWith("Bearer ") ? header.slice(7) : null;
}

export async function GET(request: Request) {
  const productId = new URL(request.url).searchParams.get("product_id");
  if (!productId) return Response.json({ error: "product_id es obligatorio" }, { status: 400 });
  try {
    return Response.json(await getProductReviews(productId));
  } catch {
    // Backend sin el modulo todavia (o caido): la ficha muestra "sin
    // reseñas" en vez de romperse.
    return Response.json({ reviews: [], average: 0, count: 0 });
  }
}

export async function POST(request: Request) {
  const token = bearer(request);
  if (!token) return Response.json({ error: "Inicia sesión para dejar una reseña" }, { status: 401 });
  const body = await request.json().catch(() => ({}));
  try {
    return Response.json(await createReview(token, body), { status: 201 });
  } catch (error) {
    const status = (error as { status?: number }).status ?? 400;
    return Response.json({ error: (error as Error).message }, { status });
  }
}