import { DynamicWorkerExecutor, resolveProvider } from '@cloudflare/codemode';

interface Env {
  LOADER: ConstructorParameters<typeof DynamicWorkerExecutor>[0]['loader'];
}

export default {
  async fetch(request: Request, env: Env) {
    const url = new URL(request.url);
    const count = Number(url.searchParams.get('count') ?? 80);
    const memoBytes = Number(url.searchParams.get('memoBytes') ?? 200);
    const rounds = Number(url.searchParams.get('rounds') ?? 6);

    const executor = new DynamicWorkerExecutor({
      loader: env.LOADER,
      timeout: 30_000,
    });

    const tools = {
      get_items: async () =>
        Array.from({ length: count }, (_, i) => ({
          id: `item_${i}`,
          name: `Item ${i}`,
          memo: 'x'.repeat(memoBytes),
        })),
    };

    for (let i = 0; i < rounds; i++) {
      const result = await executor.execute(
        `async () => { return await codemode.get_items(); }`,
        [resolveProvider({ name: 'codemode', tools })]
      );
      if (result.error) {
        return Response.json({ round: i, error: result.error }, { status: 500 });
      }
    }

    return Response.json({ ok: true, rounds, count, memoBytes });
  },
};