Bicycle/System/Classes/Config.php

<?php
/**
 * @package       Bicycle
 * @author        Egor Isaev
 * @description   Config.php
 * @copyright (c) 04/06/2026
 */

namespace System\Classes;

class Config
{
    private static ?array $config = null;

    private static function load(): void
    {
        if (self::$config !== null) {
            return;
        }

        $base  = APPPATH . '/config/config.php';
        $local = APPPATH . '/config/config.local.php';

        $config = file_exists($base) ? (include $base) : [];

        if (file_exists($local)) {
            $config = self::merge($config, include $local);
        }

        self::$config = $config;
    }

    public static function get(string $name, ?string $group = null): mixed
    {
        self::load();

        if ($group === null) {
            return self::$config[$name] ?? null;
        }

        return self::$config[$name][$group] ?? null;
    }

    public static function set(string $name, mixed $value): void
    {
        self::load();
        self::$config[$name] = $value;
    }

    /**
     * Глубокое слияние двух массивов конфигурации.
     */
    public static function merge(array $base, array $override): array
    {
        foreach ($override as $key => $value) {
            if (is_array($value) && isset($base[$key]) && is_array($base[$key])) {
                $base[$key] = self::merge($base[$key], $value);
            } else {
                $base[$key] = $value;
            }
        }

        return $base;
    }
}