const baseUrl = process.env.NEXT_PUBLIC_API_BASE_URL!;
type ApiOptions = RequestInit & { auth?: boolean };

export async function api<T>(path: string, opts: ApiOptions = {}): Promise<T> {
  const headers: Record<string, string> = {
    "Content-Type": "application/json",
    ...(opts.headers as any),
  };

  if (opts.auth) {
    const { getToken } = await import("./auth");
    const token = getToken();
    if (token) headers["Authorization"] = `Bearer ${token}`;
  }

  const res = await fetch(`${baseUrl}${path}`, { ...opts, headers, cache: "no-store" });
  if (!res.ok) {
    const text = await res.text().catch(() => "");
    throw new Error(`API ${res.status}: ${text || res.statusText}`);
  }
  return res.json() as Promise<T>;
}