using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace FSI.Lib.MVVM.ViewModel
{
    public class CurrentTimeViewModel : INotifyPropertyChanged
    {
        private string _currentTime;

        public CurrentTimeViewModel()
        {
            UpdateTime();
        }

        private async void UpdateTime()
        {
            CurrentTime = DateTime.Now.ToString("G");
            await Task.Delay(1000);
            UpdateTime();
        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        public string CurrentTime
        {
            get { return _currentTime; }
            set { _currentTime = value; OnPropertyChanged(); }
        }
    }
}