import 'package:postgres/postgres.dart' as pg;

void main() async {
  print('Testing PostgreSQL connection...');

  try {
    // Direct PostgreSQL connection test
    final connection = await pg.Connection.open(
      pg.Endpoint(
        host: 'localhost',
        port: 5432,
        database: 'mnemo_cards_dev',
        username: 'mnemo_user',
        password: 'dev_password_change_me',
      ),
      settings: pg.ConnectionSettings(sslMode: pg.SslMode.disable),
    );

    print('✅ PostgreSQL connection successful');

    // Test query
    final result = await connection.execute('SELECT 1 as test');
    print('✅ Query executed successfully');

    await connection.close();
    print('✅ Database connection closed');
    print('🎉 PostgreSQL backend can connect to database!');
  } catch (e, s) {
    print('❌ Error: $e');
    print('Stack trace: $s');
  }
}