using System.Collections.Concurrent;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using Configuration.Annotations;

namespace Configuration
{
    public class Notifications : INotifyPropertyChanged
    {
        private readonly ConcurrentDictionary<NotificationType, NotificationState> _notificationStates =
            new ConcurrentDictionary<NotificationType, NotificationState>();

        private NotificationState[] _notificationState =
        {
            new NotificationState { Type = NotificationType.SignalScanDetect, Enabled = false, LingerTime = 1000 }
        };

        public Notifications()
        {
            if (_notificationStates.Count != 0)
            {
                return;
            }

            /*
            foreach (var state in _notificationState)
            {
                _notificationStates.TryAdd(state.Type, state);
            }*/
        }

        public NotificationState[] State
        {
            get => _notificationState;
            set
            {
                if (value == _notificationState) return;

                _notificationState = value;
                foreach (var state in value)
                {
                    _notificationStates.AddOrUpdate(state.Type, state, (k, v) => state);
                }
                OnPropertyChanged();
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;

        public bool TryGetNotificationState(NotificationType notificationType, out NotificationState notificationState)
        {
            return _notificationStates.TryGetValue(notificationType, out notificationState);
        }

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