<?php

namespace Tests\Unit\EcommerceFinance;

use Modules\EcommerceFinance\Services\UpstreamOdbcConnection;
use PDO;
use ReflectionMethod;
use Tests\TestCase;

class UpstreamOdbcConnectionTest extends TestCase
{
    public function test_operations_replica_dblib_dsn_uses_only_endpoint_and_database_metadata(): void
    {
        $method = new ReflectionMethod(UpstreamOdbcConnection::class, 'pdoDblibDsn');

        $dsn = $method->invoke(null, '127.0.0.1', 15433, 'reporting', '7.4');

        $this->assertSame(
            'dblib:host=127.0.0.1:15433;dbname=reporting;version=7.4;charset=UTF-8',
            $dsn,
        );
        $this->assertStringNotContainsString('PWD=', $dsn);
        $this->assertStringNotContainsString('UID=', $dsn);
    }

    public function test_production_dblib_transport_is_only_opted_in_for_the_marked_source(): void
    {
        $method = new ReflectionMethod(UpstreamOdbcConnection::class, 'shouldUsePdoDblib');

        config()->set('upstreams.sources.operations_replica.use_pdo_dblib', true);
        config()->set('upstreams.sources.jiansun.use_pdo_dblib', false);

        $operations = $method->invoke(null, 'operations_replica', 'FreeTDS', 'request');
        $jiansun = $method->invoke(null, 'jiansun', 'FreeTDS', 'request');

        if (PHP_OS_FAMILY !== 'Windows' && extension_loaded('pdo_dblib')) {
            $this->assertTrue($operations);
        } else {
            $this->assertFalse($operations);
        }

        $this->assertFalse($jiansun);
        $this->assertFalse($method->invoke(null, 'operations_replica', 'FreeTDS', 'strict'));
    }

    public function test_sql_server_connection_enables_required_ansi_session_options(): void
    {
        $pdo = new class extends PDO
        {
            /** @var array<int,string> */
            public array $statements = [];

            public function __construct()
            {
            }

            public function exec(string $statement): int|false
            {
                $this->statements[] = $statement;

                return 0;
            }
        };
        $method = new ReflectionMethod(UpstreamOdbcConnection::class, 'initializeSqlServerSession');

        $result = $method->invoke(null, $pdo);

        $this->assertSame($pdo, $result);
        $this->assertSame([
            'SET ANSI_NULLS ON',
            'SET ANSI_WARNINGS ON',
        ], $pdo->statements);
    }
}