<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */
declare (strict_types=1);
namespace ECSPrefix202510\Nette\Utils;

use ECSPrefix202510\Nette;
use function array_unique, ini_get, levenshtein, max, min, ob_end_clean, ob_get_clean, ob_start, preg_replace, strlen;
use const PHP_OS_FAMILY;
class Helpers
{
    public const IsWindows = PHP_OS_FAMILY === 'Windows';
    /**
     * Executes a callback and returns the captured output as a string.
     */
    public static function capture(callable $func) : string
    {
        ob_start(function () {
            return '';
        });
        try {
            $func();
            return ob_get_clean();
        } catch (\Throwable $e) {
            ob_end_clean();
            throw $e;
        }
    }
    /**
     * Returns the last occurred PHP error or an empty string if no error occurred. Unlike error_get_last(),
     * it is nit affected by the PHP directive html_errors and always returns text, not HTML.
     */
    public static function getLastError() : string
    {
        $message = \error_get_last()['message'] ?? '';
        $message = ini_get('html_errors') ? Html::htmlToText($message) : $message;
        $message = preg_replace('#^\\w+\\(.*?\\): #', '', $message);
        return $message;
    }
    /**
     * Converts false to null, does not change other values.
     * @param mixed $value
     * @return mixed
     */
    public static function falseToNull($value)
    {
        return $value === \false ? null : $value;
    }
    /**
     * Returns value clamped to the inclusive range of min and max.
     * @param int|float $value
     * @param int|float $min
     * @param int|float $max
     * @return float|int
     */
    public static function clamp($value, $min, $max)
    {
        if ($min > $max) {
            throw new Nette\InvalidArgumentException("Minimum ({$min}) is not less than maximum ({$max}).");
        }
        return min(max($value, $min), $max);
    }
    /**
     * Looks for a string from possibilities that is most similar to value, but not the same (for 8-bit encoding).
     * @param  string[]  $possibilities
     */
    public static function getSuggestion(array $possibilities, string $value) : ?string
    {
        $best = null;
        $min = (strlen($value) / 4 + 1) * 10 + 0.1;
        foreach (array_unique($possibilities) as $item) {
            if ($item !== $value && ($len = levenshtein($item, $value, 10, 11, 10)) < $min) {
                $min = $len;
                $best = $item;
            }
        }
        return $best;
    }
    /**
     * Compares two values in the same way that PHP does. Recognizes operators: >, >=, <, <=, =, ==, ===, !=, !==, <>
     * @param mixed $left
     * @param mixed $right
     */
    public static function compare($left, string $operator, $right) : bool
    {
        switch ($operator) {
            case '>':
                return $left > $right;
            case '>=':
                return $left >= $right;
            case '<':
                return $left < $right;
            case '<=':
                return $left <= $right;
            case '=':
            case '==':
                return $left == $right;
            case '===':
                return $left === $right;
            case '!=':
            case '<>':
                return $left != $right;
            case '!==':
                return $left !== $right;
            default:
                throw new Nette\InvalidArgumentException("Unknown operator '{$operator}'");
        }
    }
}
