import { searchWithFacets } from "@/lib/headless/client";
import type { ProductFilters } from "@/lib/headless/types";

// PredictiveSearch es un componente cliente y no puede pegarle directo
// al provider server-side (MEDUSA_BACKEND_URL es un nombre DNS interno
// del cluster, no resuelve desde el navegador) -- esta ruta es el
// puente same-origin.
export async function GET(request: Request) {
  const { searchParams } = new URL(request.url);

  const filters: ProductFilters = {
    query: searchParams.get("q") ?? undefined,
    category: searchParams.get("category") ?? undefined,
    collection: searchParams.get("collection") ?? undefined,
    brand: searchParams.get("brand") ?? undefined,
    ageRange: searchParams.get("ageRange") ?? undefined,
  };

  const minPrice = searchParams.get("minPrice");
  if (minPrice) filters.minPrice = Number(minPrice);
  const maxPrice = searchParams.get("maxPrice");
  if (maxPrice) filters.maxPrice = Number(maxPrice);
  const limit = searchParams.get("limit");
  if (limit) filters.limit = Number(limit);

  try {
    const result = await searchWithFacets(filters);
    // provider actual no implementa searchWithFacets (mock/shopify) --
    // degradar a vacío, no a 500; el componente cliente cae de nuevo a
    // su propio filtrado si esta ruta no trae nada útil.
    return Response.json(
      result ?? { products: [], facetDistribution: {}, count: 0 },
    );
  } catch (error) {
    return Response.json(
      {
        products: [],
        facetDistribution: {},
        count: 0,
        error: (error as Error).message,
      },
      { status: 502 },
    );
  }
}