export const API_BASE = process.env.NEXT_PUBLIC_API_BASE || "http://localhost:8000";
export const WS_BASE = process.env.NEXT_PUBLIC_WS_BASE || "ws://localhost:8000";

export async function apiFetch(path: string, opts: RequestInit = {}) {
  const res = await fetch(`${API_BASE}${path}`, {
    ...opts,
    credentials: "include",
    headers: {
      ...(opts.headers || {}),
      "Content-Type": "application/json"
    }
  });
  if (!res.ok) {
    const txt = await res.text().catch(() => "");
    throw new Error(txt || `HTTP ${res.status}`);
  }
  const ct = res.headers.get("content-type") || "";
  if (ct.includes("application/json")) return res.json();
  return res.text();
}

export function getCsrfFromCookie(): string | null {
  if (typeof document === "undefined") return null;
  const m = document.cookie.match(/(?:^|; )mt_csrf=([^;]+)/);
  return m ? decodeURIComponent(m[1]) : null;
}