import { NextRequest } from "next/server";
import { z } from "zod";
import { searchLabels } from "@/server/repo/zxdb";

const querySchema = z.object({
  q: z.string().optional(),
  page: z.coerce.number().int().positive().optional(),
  pageSize: z.coerce.number().int().positive().max(100).optional(),
});

export async function GET(req: NextRequest) {
  const { searchParams } = new URL(req.url);
  const parsed = querySchema.safeParse({
    q: searchParams.get("q") ?? undefined,
    page: searchParams.get("page") ?? undefined,
    pageSize: searchParams.get("pageSize") ?? undefined,
  });
  if (!parsed.success) {
    return new Response(
      JSON.stringify({ error: parsed.error.flatten() }),
      { status: 400, headers: { "content-type": "application/json" } }
    );
  }
  const data = await searchLabels(parsed.data);
  return new Response(JSON.stringify(data), {
    headers: { "content-type": "application/json", "cache-control": "no-store" },
  });
}

export const runtime = "nodejs";