// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

import { LightswitchError } from '../../error';

export const toBase64 = (data: string | Uint8Array | null | undefined): string => {
  if (!data) return '';

  if (typeof data === 'string') {
    data = new (globalThis as any).TextEncoder().encode(data);
  }

  if (typeof (globalThis as any).Buffer !== 'undefined') {
    return (globalThis as any).Buffer.from(data).toString('base64');
  }

  if (typeof btoa !== 'undefined') {
    return btoa(String.fromCharCode.apply(null, data as any));
  }

  throw new LightswitchError('Cannot generate base64 string; Expected `Buffer` or `btoa` to be defined');
};

export const fromBase64 = (str: string): Uint8Array => {
  if (typeof (globalThis as any).Buffer !== 'undefined') {
    return new Uint8Array((globalThis as any).Buffer.from(str, 'base64'));
  }

  if (typeof atob !== 'undefined') {
    return new Uint8Array(
      atob(str)
        .split('')
        .map((c) => c.charCodeAt(0)),
    );
  }

  throw new LightswitchError('Cannot decode base64 string; Expected `Buffer` or `atob` to be defined');
};