<?php
declare(strict_types=1);

namespace Core\Services;

use Throwable;

class Settings
{
    private static array $data = [];
    private static bool $loaded = false;

    public static function init(string $path): void
    {
        if (self::$loaded) {
            return;
        }
        if (is_file($path)) {
            $loaded = require $path;
            if (is_array($loaded)) {
                self::$data = $loaded;
            }
        }
        self::reload();
        self::$loaded = true;
    }

    public static function get(string $key, string $default = ''): string
    {
        return array_key_exists($key, self::$data) ? (string)self::$data[$key] : $default;
    }

    public static function reload(): void
    {
        $db = Database::get();
        if (!$db) {
            return;
        }
        try {
            $rows = $db->query("SELECT setting_key, setting_value FROM ac_settings")->fetchAll();
            foreach ($rows as $row) {
                $k = (string)($row['setting_key'] ?? '');
                $v = (string)($row['setting_value'] ?? '');
                if ($k !== '') {
                    self::$data[$k] = $v;
                }
            }
        } catch (Throwable $e) {
            return;
        }
    }

    public static function set(string $key, string $value): void
    {
        self::$data[$key] = $value;
        $db = Database::get();
        if (!$db) {
            return;
        }
        try {
            $stmt = $db->prepare("REPLACE INTO ac_settings (setting_key, setting_value) VALUES (:k, :v)");
            $stmt->execute([':k' => $key, ':v' => $value]);
        } catch (Throwable $e) {
            return;
        }
    }
}