<?php

namespace Modules\EcommerceFinance\Services;

use PDO;
use PDOException;
use SensitiveParameter;
use Symfony\Component\HttpKernel\Exception\ServiceUnavailableHttpException;

/** The test button and business readers share one driver implementation. */
class UpstreamDatabaseProbe
{
    public function probe(string $driver, #[SensitiveParameter] array $connection, string $label): void
    {
        if ($driver === 'sqlsrv') {
            UpstreamOdbcConnection::probeConfiguration($connection, $label);
            return;
        }
        if (! in_array($driver, ['pgsql', 'mysql'], true)) {
            throw new ServiceUnavailableHttpException(30, '不支持此数据库类型。');
        }
        try {
            $pdo = $this->connect($driver, $connection);
            $statement = $pdo->query('SELECT 1');
            if ($statement === false || (int) $statement->fetchColumn() !== 1) {
                throw new ServiceUnavailableHttpException(30, '只读测试未返回预期结果。');
            }
            $statement->closeCursor();
        } catch (PDOException) {
            throw new ServiceUnavailableHttpException(30, '上游只读连接失败，请检查账号、权限、网络和 TLS 配置。');
        }
    }

    protected function connect(string $driver, #[SensitiveParameter] array $connection): PDO
    {
        return UpstreamConnection::openNative($driver, $connection);
    }
}