using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;
using Tango.Integration.ExternalBridge;
using Tango.PMR.Integration;
using Tango.SharedUI;

namespace Tango.PPC.UI.Dialogs
{
    public class SafetyLevelOperationsConfirmationViewVM : DialogViewVM
    {
        private DispatcherTimer _timer;

        private int _maxSeconds;
        public int MaxSeconds
        {
            get { return _maxSeconds; }
            set { _maxSeconds = value; RaisePropertyChangedAuto(); }
        }

        private int _secondsRemaining;
        public int SecondsRemaining
        {
            get { return _secondsRemaining; }
            set { _secondsRemaining = value; RaisePropertyChangedAuto(); }
        }

        private ExternalBridgeClientConnectedEventArgs _connection;
        /// <summary>
        /// Gets or sets the last client connection event arguments.
        /// </summary>
        public ExternalBridgeClientConnectedEventArgs Connection
        {
            get { return _connection; }
            set { _connection = value; RaisePropertyChangedAuto(); }
        }

        public SafetyLevelOperationsConfirmationViewVM(ExternalBridgeClientConnectedEventArgs connection)
        {
            Connection = connection;

            MaxSeconds = 30;
            SecondsRemaining = 30;

            _timer = new DispatcherTimer(DispatcherPriority.Background, Application.Current.Dispatcher);
            _timer.Interval = TimeSpan.FromMilliseconds(800);
            _timer.Tick += _timer_Tick;
        }

        public override void OnShow()
        {
            base.OnShow();
            _timer.Start();
        }

        protected override void Accept()
        {
            _timer.Stop();
            base.Accept();
        }

        protected override void Cancel()
        {
            _timer.Stop();
            base.Cancel();
        }

        private void _timer_Tick(object sender, EventArgs e)
        {
            SecondsRemaining--;

            if (SecondsRemaining == 0)
            {
                Cancel();
            }
        }
    }
}