using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.Integration.ExternalBridge;
using Tango.PPC.Common;

namespace Tango.PPC.Technician.ViewModels
{
    public class RemoteConnectionsViewVM : PPCViewModel
    {
        public RelayCommand DisconnectCommand { get; set; }

        private ExternalBridgeReceiver _selectedReceiver;
        public ExternalBridgeReceiver SelectedReceiver
        {
            get { return _selectedReceiver; }
            set
            {
                if (value != null)
                {
                    _selectedReceiver = value;
                    InvalidateRelayCommands();
                }
            }
        }

        public RemoteConnectionsViewVM()
        {
            DisconnectCommand = new RelayCommand(DisconnectReceiver, () => SelectedReceiver != null);
        }

        private async void DisconnectReceiver()
        {
            if (SelectedReceiver != null)
            {
                try
                {
                    await Task.Factory.StartNew(() =>
                    {
                        SelectedReceiver.Disconnect().Wait();
                    });
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, "Error disconnecting the specified receiver.");
                }
                finally
                {
                    _selectedReceiver = null;
                    RaisePropertyChanged(nameof(SelectedReceiver));
                    InvalidateRelayCommands();
                }
            }
        }

        public override void OnApplicationStarted()
        {

        }
    }
}