import "server-only";
import { cookies, headers } from "next/headers";

const apiUrl = (process.env.API_URL ?? "http://127.0.0.1:8231").replace(/\/$/, "");

/** Server-side fetch to the API, forwarding the player's session cookie. Returns null on 401/404. */
export async function apiServer<T>(path: string, init: RequestInit = {}): Promise<T | null> {
  const c = await cookies();
  const h = await headers();
  const cookie = c
    .getAll()
    .map((x) => `${x.name}=${x.value}`)
    .join("; ");
  try {
    const res = await fetch(`${apiUrl}${path}`, {
      ...init,
      cache: "no-store",
      headers: { ...(init.headers ?? {}), cookie, "x-forwarded-for": h.get("x-forwarded-for") ?? "", "user-agent": h.get("user-agent") ?? "" },
    });
    if (res.status === 401 || res.status === 404) return null;
    if (!res.ok) return null;
    return (await res.json()) as T;
  } catch {
    return null;
  }
}