import 'dart:io';

void main() async {
  final ipConfig = WindowsIpConfig();
  final ip = await ipConfig.getIp();
  print("Your IPv4 Address: $ip");
}
// Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter IPENABLED=TRUE | Select IPAddress

abstract class IpConfig {
  final String kLoopbackAddress = "127.0.0.1";

  String get command;

  List<String> get arguments;

  String extractIP(String output);

  Future<String> getIp() async {
    final prResult = await Process.run(command, arguments);

    if (prResult.exitCode == 0) {
      return extractIP(prResult.stdout);
    }
    return "";
  }
}

class WindowsIpConfig extends IpConfig {
  final _winIpRegExp = RegExp(r'\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b');
  @override
  List<String> get arguments => [
        "-c",
        "Get-WmiObject",
        " -Class",
        "Win32_NetworkAdapterConfiguration",
        "-Filter",
        "IPENABLED=TRUE",
        "|",
        "Select",
        "IPAddress",
      ];

  @override
  String get command => "powershell";

  @override
  String extractIP(String output) {
    return _winIpRegExp.firstMatch(output)!.group(0)!;
  }
}