using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.FSE.Common;

namespace Tango.FSE.UI.Dialogs
{
    public class EmulateMachineEventDialogViewVM : FSEDialogViewVM
    {
        private static EmulateMachineEventDialogViewVM _lastInstance;


        public List<EventType> EventTypes { get; set; }

        private EventType _selectedEventType;
        public EventType SelectedEventType
        {
            get { return _selectedEventType; }
            set { _selectedEventType = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }

        private int _durationSeconds;
        public int DurationSeconds
        {
            get { return _durationSeconds; }
            set { _durationSeconds = value; RaisePropertyChangedAuto(); }
        }

        private String _message;
        public String Message
        {
            get { return _message; }
            set { _message = value; RaisePropertyChangedAuto(); }
        }

        public EmulateMachineEventDialogViewVM()
        {
            EventTypes = new List<EventType>();
            DurationSeconds = 5;
        }

        protected override bool CanOK()
        {
            return base.CanOK() && SelectedEventType != null && DurationSeconds > 0;
        }

        protected override void Accept()
        {
            _lastInstance = this;
            base.Accept();
        }

        public override void OnShow()
        {
            base.OnShow();

            if (_lastInstance != null)
            {
                SelectedEventType = EventTypes.FirstOrDefault(x => x.Code == _lastInstance.SelectedEventType.Code);
                DurationSeconds = _lastInstance.DurationSeconds;
                Message = _lastInstance.Message;
            }
        }
    }
}