import axios from "axios";

export function extractError(err: unknown): string {
  if (axios.isAxiosError(err)) {
    const status = err.response?.status;
    const data = err.response?.data;
    if (data) {
      const body =
        typeof data === "string"
          ? data.slice(0, 200)
          : (data?.message ?? data?.error ?? JSON.stringify(data)).toString().slice(0, 200);
      return status ? `HTTP ${status}: ${body}` : body;
    }
    if (status) return `HTTP ${status} — ${err.message}`;
    if (err.code === "ECONNABORTED") return "Request timed out. Check that the URL is reachable.";
    if (err.message) return err.message;
  }
  if (err instanceof Error) return err.message;
  return "Unknown error";
}