export type Result<T, E = { code: string; message: string; statusCode?: number }> =
  | { success: true; data: T }
  | { success: false; error: E };

export type ApiError = {
  code: string;
  message: string;
  statusCode?: number;
};

export function extractApiError(err: unknown): ApiError {
  if (err && typeof err === "object") {
    const obj = err as Record<string, unknown>;
    const response = obj.response as Record<string, unknown> | undefined;
    if (response) {
      const statusCode = response.status as number | undefined;
      const data = response.data as Record<string, unknown> | undefined;
      return {
        code: (data?.error as string) || (data?.message as string) || "api_error",
        message: (data?.message as string) || (data?.error as string) || "An unexpected error occurred",
        statusCode,
      };
    }
    if (obj.message && typeof obj.message === "string") {
      return { code: "client_error", message: obj.message };
    }
  }
  return { code: "unknown_error", message: "An unexpected error occurred" };
}