import 'package:flutter_dotenv/flutter_dotenv.dart';

String runtimeOriginFallback() {
  try {
    final origin = Uri.base.origin;
    if (origin.isNotEmpty && origin != 'null') {
      return origin;
    }
  } catch (_) {}
  return 'https://sso-test.hmac.kr';
}

String envOrDefault(String key, String fallback) {
  if (!dotenv.isInitialized) {
    return fallback;
  }
  final value = dotenv.env[key];
  if (value == null || value.trim().isEmpty) {
    return fallback;
  }
  return value;
}

String sanitizedUrl(String value) {
  return value.replaceAll(r'$', '').trim().replaceAll(RegExp(r'/$'), '');
}

String runtimeBackendUrl() {
  return sanitizedUrl(envOrDefault('BACKEND_URL', runtimeOriginFallback()));
}

String runtimeUserfrontUrl() {
  return sanitizedUrl(envOrDefault('USERFRONT_URL', runtimeOriginFallback()));
}