import { NextResponse } from "next/server";
import {
  listCustomersForRepairForm,
  listSuppliersForRepairForm,
} from "@/lib/server/repairs-service";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";

/**
 * GET /api/v1/repairs/form-data
 *
 * Returns the lookup data needed by the "New Repair" + "Edit
 * Repair" forms: a small page of customers + suppliers. Orders
 * are NOT included here — they're served by the dedicated
 * `/api/v1/orders/lookup` endpoint so the order picker can search
 * server-side (the customers list is bounded and safe to ship
 * whole; the orders list is not, especially on a phone over a
 * dodgy cellular connection).
 */
export async function GET() {
  try {
    const [customers, suppliers] = await Promise.all([
      listCustomersForRepairForm(),
      listSuppliersForRepairForm(),
    ]);
    return NextResponse.json({ customers, suppliers });
  } catch (err: unknown) {
    const message = err instanceof Error ? err.message : "Failed to load form data";
    return NextResponse.json({ error: message }, { status: 500 });
  }
}