import 'dart:convert';
import 'dart:io';
import 'package:http/http.dart' as http;

/// Get the current WAN IP address of the device.
Future<String> getWanIp() async {
  // Get the IP address of the server. https://api.ipify.org?format=json
  var ipResponse = await http.get(Uri.parse('https://api.ipify.org?format=json'));
  if (ipResponse.statusCode == 200) {
    var ipData = jsonDecode(ipResponse.body);
    return ipData['ip'] as String;
  } else {
    throw Exception('Failed to get server IP address');
  }
}

/// Check if Wireguard is installed on the system.
Future<bool> isWireguardInstalled() async {
  try {
    var result = await Process.run('wg', ['--version']);
    return result.exitCode == 0;
  } catch (e) {
    print('Error checking WireGuard installation: $e');
    return false;
  }
}

bool get kIsRunningInDocker => File('/.dockerenv').existsSync();