using System;
using System.Collections.Concurrent;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace OnvifTest
{
    internal class Program
    {
        private static readonly object thisLock = new object();

        [System.Diagnostics.CodeAnalysis.SuppressMessage("样式", "IDE0060:删除未使用的参数", Justification = "<挂起>")]
        private static void Main(string[] args)
        {
            using (var tokenSource = new CancellationTokenSource())
            {
                var ips = NetworkInterface.GetAllNetworkInterfaces()
                                .Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback)
                                .Select(nic => nic.GetIPProperties().UnicastAddresses)
                                .SelectMany(o => o.ToList())
                                .Select(o => o.Address)
                                .Where(o => o.AddressFamily == AddressFamily.InterNetwork)
                                .ToList();
                var ipAddress = ips.First();
                using (var client = new UdpClient(new IPEndPoint(ipAddress, 0)))
                {
                    var probeMessage = string.Format(CultureInfo.CurrentCulture, Template.GetServiceRequestTemplage, Guid.NewGuid());
                    var message = Encoding.UTF8.GetBytes(probeMessage);
                    Task.Run(() =>
                    {
                        try
                        {
                            var ep = new IPEndPoint(IPAddress.Any, 3702);
                            while (!tokenSource.IsCancellationRequested)
                            {
                                if (client.Available > 0)
                                {
                                    var buffer = client.Receive(ref ep);
                                    var result = Encoding.UTF8.GetString(buffer);
                                    Console.WriteLine(result);
                                }
                                Thread.Sleep(1);
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine(ex.Message);
                        }
                    }, tokenSource.Token);
                    var timer = new System.Timers.Timer(5000);
                    timer.Elapsed += (s, e) =>
                    {
                        Console.WriteLine("send");
                        //client.Send(message, message.Length, new IPEndPoint(IPAddress.Parse("239.255.255.250"), 3702));
                        var message2 = Encoding.ASCII.GetBytes("GETIP\r\n");
                        client.Send(message2, message2.Length, new IPEndPoint(IPAddress.Parse("255.255.255.255"), 9090));
                    };
                    timer.Start();
                    Thread.Sleep(60 * 1000);
                    timer.Stop();
                    timer.Dispose();
                }
            }
        }
    }
}