using System.Net;
using System.Net.Sockets;

namespace IP_port_checker.PortScanner
{
    public class IPValidator
    {
        public static IPAddress ValidateAndReadIPv4orIPv6(ref bool isIPv4)
        {
            while (true)
            {
                IPAddress? address = null;
                string? ip = Console.ReadLine();

                if (IPAddress.TryParse(ip, out IPAddress? ipv4) && ipv4.AddressFamily == AddressFamily.InterNetwork)
                {
                    address = ipv4;
                    isIPv4 = true;
                }
                else if (IPAddress.TryParse(ip, out IPAddress? ipv6) && ipv6.AddressFamily == AddressFamily.InterNetworkV6)
                {
                    address = ipv6;
                    isIPv4 = false;
                }
                if (address is not null)
                {
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine($"IP: {ip} принят");
                    Console.ResetColor();
                    return address;
                }
                Console.ForegroundColor = ConsoleColor.Red;
                Console.Write("Неправильный ввод ip-адреcа, попробуйте еще раз: ");
                Console.ResetColor();
            }
        }
    }
}
//предыдущий способ проверки айпи 4 версии. Вечная память герою
//string[] parts = ip.Split('.');
//bool IPv4Valid = parts.Length == 4 && parts.All(p => byte.TryParse(p, out _));