<?php

declare (strict_types=1);
/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */
namespace RectorPrefix202605\Nette\Utils;

use RectorPrefix202605\Nette;
use Random\Randomizer;
use function strlen;
use const PHP_VERSION_ID;
/**
 * Secure random string generator.
 */
final class Random
{
    use Nette\StaticClass;
    /**
     * Generates a random string of given length from characters specified in second argument.
     * Supports intervals, such as `0-9` or `A-Z`.
     */
    public static function generate(int $length = 10, string $charlist = '0-9a-z'): string
    {
        $charlist = preg_replace_callback('#.-.#', fn(array $m): string => implode('', range($m[0][0], $m[0][2])), $charlist);
        $charlist = count_chars($charlist, 3);
        $chLen = strlen($charlist);
        if ($length < 1) {
            throw new Nette\InvalidArgumentException('Length must be greater than zero.');
        } elseif ($chLen < 2) {
            throw new Nette\InvalidArgumentException('Character list must contain at least two chars.');
        } elseif (PHP_VERSION_ID >= 80300) {
            return (new Randomizer())->getBytesFromString($charlist, $length);
        }
        $res = '';
        for ($i = 0; $i < $length; $i++) {
            $res .= $charlist[random_int(0, $chLen - 1)];
        }
        return $res;
    }
}
