Payment Links

static Future<Map<String, dynamic>> createPaymentLink({
  required String reqUserId,
  required String amount,
  required String customerEmail,
  required String mobileNo,
  required String expiryDate,
  required String orderId,
  required String firstName,
  required String lastName,
  required String product,
  required String dialCode,
  required String failureUrl,
  required String successUrl,
  String country = 'ETH',
  String currency = 'ETB',
  List<String> mediaType = const ['API'],
}) async {
  final meId = YagoutPayConfig.apiMerchantId;
  final key = YagoutPayConfig.apiKey;
  
  // Build payload
  final payload = {
    'req_user_id': reqUserId,
    'me_id': meId,
    'amount': amount,
    'customer_email': customerEmail,
    'mobile_no': mobileNo,
    'expiry_date': expiryDate,
    'media_type': mediaType,
    'order_id': orderId,
    'first_name': firstName,
    'last_name': lastName,
    'product': product,
    'dial_code': dialCode,
    'failure_url': failureUrl,
    'success_url': successUrl,
    'country': country,
    'currency': currency,
  };
  
  // Encrypt payload
  final plainStr = jsonEncode(payload);
  final encrypted = AesUtil.encryptToBase64(plainStr, key);
  
  // Make API request
  final response = await http.post(
    Uri.parse(YagoutPayConfig.paymentLinkUrl),
    headers: {
      'Content-Type': 'application/json',
      'me_id': meId,
    },
    body: jsonEncode({'request': encrypted}),
  );
  
  // Process response
  final responseData = json.decode(response.body);
  
  return {
    'status': responseData['status'] ?? 'ERROR',
    'message': responseData['statusMessage'] ?? 'Unknown error',
    'order_id': orderId,
    'response': responseData,
  };
}

// Create payment link
Future<void> _createPaymentLink() async {
  final result = await YagoutPayService.createPaymentLink(
    reqUserId: 'user123',
    amount: '100.00',
    customerEmail: 'customer@example.com',
    mobileNo: '+251912345678',
    expiryDate: '2025-12-31',
    orderId: 'ORDER-123',
    firstName: 'John',
    lastName: 'Doe',
    product: 'Premium Subscription',
    dialCode: '+251',
    failureUrl: 'https://yourapp.com/failure',
    successUrl: 'https://yourapp.com/success',
  );
  
  if (result['status'] == 'SUCCESS') {
    // Share payment link
    _sharePaymentLink(result['payment_link']);
  }
}