import 'dart:convert';
import 'dart:io';
import 'package:udp/udp.dart';

class UdpService {
  Future<bool> sendPackage({
    required String data,
    required String ipAddress,
    required int port,
  }) async {
    UDP? sender;
    try {
      // Create UDP instance
      sender = await UDP.bind(Endpoint.any());
      
      // Convert data to bytes
      final dataBytes = utf8.encode(data);
      
      // Parse IP address
      final address = InternetAddress(ipAddress);
      
      // Create endpoint
      final destination = Endpoint.unicast(address, port: Port(port));
      
      // Send the packet
      final bytesSent = await sender.send(dataBytes, destination);
      
      // Give a small delay to ensure packet is sent
      await Future.delayed(const Duration(milliseconds: 100));
      
      return bytesSent > 0;
    } catch (e) {
      // Error occurred while sending UDP package
      return false;
    } finally {
      // Always close the socket
      sender?.close();
    }
  }
}