import { ORPCError } from "@orpc/client";

/**
 * Format an unknown error value into a string message.
 * Handles ORPCError, Error instances, strings, and other types safely.
 */
export function formatError(error: unknown): string {
  if (error instanceof ORPCError) {
    // eslint-disable-next-line @typescript-eslint/restrict-template-expressions -- ORPCError.code is typed as any
    return `[${error.code}] ${error.message}`;
  }
  if (error instanceof Error) {
    return error.message;
  }
  if (typeof error === "string") {
    return error;
  }
  // eslint-disable-next-line @typescript-eslint/restrict-template-expressions -- intentional unknown coercion
  return `${error}`;
}