Social Login

Future<void> handleSocialLogin(OAuthMethod provider) async {
  try {
    final authState = await para.verifyOAuth(
      provider: provider,
      appScheme: 'yourapp',
    );

    if (authState.loginUrl?.isNotEmpty == true) {
      await para.presentAuthUrl(
        url: authState.loginUrl!,
        webAuthenticationSession: webAuthSession,
      );

      final nextStage = authState.effectiveNextStage;
      if (nextStage == AuthStage.signup) {
        await para.waitForSignup();
      } else {
        await para.waitForLogin();
      }

      await para.touchSession();
      await para.fetchWallets();
      return;
    }

    if (authState.stage == AuthStage.login) {
      try {
        await para.touchSession();
      } catch (_) {
        // Session refresh is best-effort for OAuth callbacks
      }
      await para.fetchWallets();
      // Navigate to your main app flow
    }
  } catch (e) {
    debugPrint('OAuth login failed: $e');
  }
}