'use strict';

import { arrayify } from './convert';

//import * as crypto from 'crypto';

//@TODO: Figure out how to fix crypto
function getRandomValues(buffer) {
            for (var round = 0; round < 20; round++) {
                for (var i = 0; i < buffer.length; i++) {
                    if (round) {
                        buffer[i] ^= Math.trunc(256 * Math.random());
                    } else {
                        buffer[i] = Math.trunc(256 * Math.random());
                    }
                }
            }

            return buffer;
        }

export function randomBytes(length) {
    if (length <= 0 || length > 1024 || parseInt(length) != length) {
        throw new Error('invalid length');
    }

    var result = new Uint8Array(length);
    getRandomValues(result);
    return arrayify(result);
};