import { AxiosError } from 'axios';
import { AppError } from '../types/errors';
import { showToast } from './toast';

export function handleApiError(error: unknown): never {
  if (error instanceof AppError) {
    throw error;
  }

  if (error instanceof AxiosError) {
    const status = error.response?.status;
    const message = error.response?.data?.message || error.message;
    const code = error.response?.data?.code;

    throw new AppError(message, status, code);
  }

  if (error instanceof Error) {
    throw new AppError(error.message);
  }

  throw new AppError('Unknown error occurred');
}

export function showErrorToast(error: unknown): void {
  let message = 'An unexpected error occurred';

  if (error instanceof AppError) {
    message = error.message;
  } else if (error instanceof AxiosError) {
    message = error.response?.data?.message || error.message;
  } else if (error instanceof Error) {
    message = error.message;
  }

  showToast.error(message);
}

export function getErrorMessage(error: unknown): string {
  if (error instanceof AppError) {
    return error.message;
  }

  if (error instanceof AxiosError) {
    return error.response?.data?.message || error.message;
  }

  if (error instanceof Error) {
    return error.message;
  }

  return 'An unexpected error occurred';
}