<?php

namespace App\Models;

use App\Config\Database;

class Config
{
    public static function getByKey(string $key): ?array
    {
        $db = Database::getInstance();
        $stmt = $db->prepare('SELECT * FROM config WHERE config_key = :config_key');
        $stmt->execute(['config_key' => $key]);
        $result = $stmt->fetch();
        return $result ?: null;
    }

    public static function setByKey(string $key, string $value): bool
    {
        $db = Database::getInstance();
        $stmt = $db->prepare('INSERT INTO config (config_key, config_value) VALUES (:config_key, :config_value) ON DUPLICATE KEY UPDATE config_value = VALUES(config_value)');
        return $stmt->execute([
            'config_key' => $key,
            'config_value' => $value,
        ]);
    }
}