using Avalonia.Controls;
using Shaker.Models;
using ShakerApp.Tools;
using SukiUI.Toasts;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Input;

namespace ShakerApp.ViewModels
{
    public class DeviceMangerViewModel : ViewModelBase<IModel>
    {
        public override bool CanResize => false;
        public override double Width => 960;
        public override double Height => 660;
        private object locker = new object();
        private DeviceMangerViewModel()
        {
            ButtonVisibily = false;
            Content = typeof(Views.DeviceMangerView);
        }
        static DeviceMangerViewModel()
        {

        }
        public static DeviceMangerViewModel Instance { get; } = new DeviceMangerViewModel();
        [AllowNull]
        private DeviceInfoViewModel? currentDevice;

        public ObservableCollection<IndexValueItemViewModel<DeviceInfoViewModel>> Devices { get; } = new ObservableCollection<IndexValueItemViewModel<DeviceInfoViewModel>>();
        public ICommand SearchDeviceCommand => new CommunityToolkit.Mvvm.Input.RelayCommand(() =>
        {
            SearchEnabled = false;
            Task.Run(() => SearchDevice());
        });
        public override void InitData()
        {
            base.InitData();
            Devices.Clear();
            CurrentDevice = null;
            PopupVisibily = false;
        }
        public bool SearchEnabled { get => searchEnabled; set => SetProperty(ref searchEnabled, value); }
        private CancellationTokenSource source = new CancellationTokenSource();
        private void WaitMsg(int timeout, CancellationTokenSource source)
        {
            Task.Run(async () =>
            {
                await Task.Delay(timeout, source.Token);
                source.Cancel();
            });
        }
        public string Msg { get => msg; set =>SetProperty(ref msg , value); }
        private void SearchDevice()
        {
            int timeout = 5000;
            Tools.DispatherInovke.Inovke(() =>
            {
                Devices.Clear();
                CurrentDevice = null;
            });
            Msg = App.Current?.FindResource("DeviceSearching") + "";
            PopupVisibily = true;
            DateTime start = DateTime.Now;
            LogViewModel.Instance.AddLog(App.Current?.FindResource("DeviceSearch") + "");
            System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient(Topic.DISCOVERYPORT - 1);
            udpClient.JoinMulticastGroup(IPAddress.Parse("239.1.0.2"));
            source = new CancellationTokenSource();

            var tast = Task.Run(() =>
            {
                System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces()
                .SelectMany(x => x.GetIPProperties().UnicastAddresses.Where(x => x.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork))
                .ToList()
                .ForEach(x =>
                {
                    Task.Run(async () =>
                    {
                        try
                        {
                            System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient(new IPEndPoint(x.Address, Topic.DISCOVERYPORT - 1));
                            udpClient.JoinMulticastGroup(IPAddress.Parse("239.1.0.2"));
                            SearchDeviceModel search = new Shaker.Models.SearchDeviceModel();
                            udpClient.Send(search.GetBytes(), new System.Net.IPEndPoint(IPAddress.Broadcast, Topic.DISCOVERYPORT));
                            while (!source.IsCancellationRequested)
                            {
                                var result = await udpClient.ReceiveAsync(source.Token);
                                if (!source.IsCancellationRequested && result.Buffer != null && result.Buffer.Length > 0)
                                {
                                    try
                                    {
                                        var deviceinfo = result.Buffer.GetValue<ResultDeviceModel>();
                                        if (deviceinfo != null && deviceinfo.Success)
                                        {
                                            Tools.DispatherInovke.Inovke(() =>
                                            {
                                                lock (locker)
                                                {
                                                    if (Devices.Any(x => x.Value.IP == deviceinfo.DeviceInfoModel.IP)) return;
                                                    Devices.Add(new IndexValueItemViewModel<DeviceInfoViewModel>(Devices.Count + 1, new DeviceInfoViewModel(deviceinfo.DeviceInfoModel)));
                                                    Msg = string.Format(App.Current?.FindResource("DeviceFoundCount") + "", Devices.Count);
                                                    LogViewModel.Instance.AddLog($"{App.Current?.FindResource("FindedDeviceInfo")}:{deviceinfo.DeviceInfoModel}");
                                                }
                                            });
                                        }
                                    }
                                    catch
                                    {

                                    }
                                }
                            }
                            udpClient.Close();
                        }
                        catch
                        {

                        }

                    });
                });
            });
            Task.Delay(timeout, source.Token).Wait();
            source?.Cancel();
            PopupVisibily = false;
            udpClient.Close();
            Tools.DispatherInovke.Inovke(() =>
            {
                SearchEnabled = true;
                if (Devices.Count == 0)
                {
                    LogViewModel.Instance.AddLog(App.Current?.FindResource("DeviceNoFound") + "");
                    ShowToast(App.Current?.FindResource("DeviceNoFound") + "", Avalonia.Controls.Notifications.NotificationType.Error);
                }
            });
        }
        private bool popupVisibily = false;
        public bool PopupVisibily { get => popupVisibily; set => SetProperty(ref popupVisibily, value); }
        [AllowNull]
        private bool searchEnabled = true;
        private string msg = string.Empty;

        public ICommand ConnectDeviceCommand => new CommunityToolkit.Mvvm.Input.RelayCommand(ConnectDevice);
        private async void ConnectDevice()
        {
            if (CurrentDevice == null) return;
            Msg = App.Current?.FindResource("DeviceConnecting") + "";
            PopupVisibily = true;
            await Task.Run(() => CommunicationViewModel.Instance.Connect(CurrentDevice.IP, CurrentDevice.Port));
            if (CommunicationViewModel.Instance.LocalIsConnect)
            {
                CloseWindowAction?.Invoke();
                ShowToast(App.Current?.FindResource("DeviceConnectSuccess") + "", Avalonia.Controls.Notifications.NotificationType.Error);
                return;
            }
            MainPageViewModel.Instance.ShowToast(App.Current?.FindResource("DeviceNoFound") + "", Avalonia.Controls.Notifications.NotificationType.Success);
        }
        public ICommand DisConnectDeviceCommand => new CommunityToolkit.Mvvm.Input.RelayCommand(DisConnectDevice);
        private void DisConnectDevice()
        {
            CommunicationViewModel.Instance.DisConnect();
            CurrentDevice = null;

        }
        public DeviceInfoViewModel? CurrentDevice
        {
            get => currentDevice;
            set => SetProperty(ref currentDevice, value);
        }


    }
}