import axios from "axios";

export function getErrorMessage(
  err: unknown,
  fallback = "Something went wrong",
): string {
  if (axios.isAxiosError(err)) {
    const detail = err.response?.data?.detail;
    if (typeof detail === "string") return detail;
    if (Array.isArray(detail) && detail.length > 0) {
      const first = detail[0];
      if (typeof first === "string") return first;
      if (first?.msg) return String(first.msg);
    }
    if (err.message) return err.message;
  }
  if (err instanceof Error && err.message) return err.message;
  if (typeof err === "string") return err;
  return fallback;
}