namespace HistoryView.Controls
{
    /// <summary>
    /// Interaction logic for WarningPopUp.xaml
    /// </summary>
    public partial class WarningPopUp : UserControl
    {
        public WarningPopUp()
        {
            InitializeComponent();
            _timer = new();
            _timer.Elapsed += new System.Timers.ElapsedEventHandler(TimerCallBack);
            _timer.Interval = 10000;
            _timer.AutoReset = false;
            _timer.Enabled = false;

        }

        private readonly System.Timers.Timer _timer;


        private void TimerCallBack(object? sender, System.Timers.ElapsedEventArgs e)
        {
            App.Current.Dispatcher.Invoke(() =>
            {
                this.IsOpen = false;
            });
        }


        private int Counter
        {
            get { return (int)GetValue(CounterProperty); }
            set { SetValue(CounterProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Counter.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty CounterProperty =
            DependencyProperty.Register("Counter", typeof(int), typeof(WarningPopUp), new PropertyMetadata(default));

        internal ObservableDictionary<byte, ObservableDictionary<byte, AlarmInfo>> AlarmSource
        {
            get { return (ObservableDictionary<byte, ObservableDictionary<byte, AlarmInfo>>)GetValue(AlarmSourceProperty); }
            set { SetValue(AlarmSourceProperty, value); }
        }

        // Using a DependencyProperty as the backing store for AlarmSource.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty AlarmSourceProperty =
            DependencyProperty.Register("AlarmSource", typeof(ObservableDictionary<byte, ObservableDictionary<byte, AlarmInfo>>), typeof(WarningPopUp), new PropertyMetadata(default, AlarmsPropertyChangedCallback));


        private static WarningPopUp? _warning;
        static void AlarmsPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (d is not WarningPopUp warning)
                return;
            _warning = warning;
            if (e.NewValue is not ObservableDictionary<byte, ObservableDictionary<byte, AlarmInfo>> and || and is null)
                return;
            and.CollectionChanged += And_CollectionChanged;

            warning.Counter = and.Count;
            warning.WarningHint.Visibility = and.Count switch
            {
                0 => Visibility.Collapsed,
                _ => Visibility.Visible,
            };
        }

        private static void And_CollectionChanged(object? sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            if (_warning is null)
                return;

            if (_warning.AlarmSource.Count == 0)
            {
                _warning.WarningHint.Visibility = Visibility.Collapsed;
                _warning.Counter = 0;
                //animationEvent.Reset();
                _warning.PopPos.Background = new SolidColorBrush(Colors.Transparent);
            }
            else
            {
                _warning.WarningHint.Visibility = Visibility.Visible;
                //_warning.IsOpen = _warning.Counter < _warning.AlarmSource.Count;
                _warning.Counter = _warning.AlarmSource.Count;
                //if (!animationEvent.WaitOne(0))
                //{
                //    animationEvent.Set();
                //    Task.Factory.StartNew(_warning.Animation);
                //}
            }
        }
        private readonly static ManualResetEvent animationEvent = new(false);
        private void Animation()
        {

            while (animationEvent.WaitOne(0))
            {
                try
                {
                    App.Current.Dispatcher.Invoke(() =>
                    {
                        this.PopPos.Background = (Brush)App.Current.Resources["EmergencyColor"];
                    });
                    Thread.Sleep(1000);
                    App.Current.Dispatcher.Invoke(() =>
                    {
                        this.PopPos.Background = new SolidColorBrush(Colors.Transparent);
                    });
                    Thread.Sleep(1000);
                }
                catch
                {

                }
            }
        }

        public ICommand ClCommand
        {
            get { return (ICommand)GetValue(ClCommandProperty); }
            set { SetValue(ClCommandProperty, value); }
        }

        // Using a DependencyProperty as the backing store for ClCommand.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty ClCommandProperty =
            DependencyProperty.Register("ClCommand", typeof(ICommand), typeof(WarningPopUp), new PropertyMetadata(default));

        private bool IsOpen
        {
            get { return (bool)GetValue(IsOpenProperty); }
            set { SetValue(IsOpenProperty, value); }
        }

        public static readonly DependencyProperty IsOpenProperty =
            DependencyProperty.Register("IsOpen", typeof(bool), typeof(WarningPopUp), new PropertyMetadata(false, PropertyChangedCallback));

        private static void PropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (d is not WarningPopUp pop)
                return;

            if (e.NewValue is not bool b || b == false)
                return;

            pop._timer.Stop();
            pop._timer.Start();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            this.IsOpen = false;
            this._timer.Stop();
        }
    }
}