using System;
using System.ComponentModel;
using System.Threading.Tasks;
using DTS.Common.Base;
using DTS.Common.Events;
using DTS.Common.Interface;
using Microsoft.Practices.Prism.Events;
using Microsoft.Practices.Prism.Interactivity.InteractionRequest;
using Microsoft.Practices.Prism.Regions;
using Microsoft.Practices.Unity;

namespace DTS.Common.Property
{
    public class PropertyViewModel : BaseViewModel<IGraphPropertyViewModel>, IPropertyViewModel
    {
        public IPropertyView View { get; private set; }
        private IBaseWindowModel Parent { get; set; }
        private IEventAggregator EventAggregator { get; set; }
        private new IRegionManager _regionManager;
        private IUnityContainer UnityContainer { get; set; }

        public InteractionRequest<Notification> NotificationRequest { get; private set; }
        public new InteractionRequest<Confirmation> ConfirmationRequest { get; private set; }

        public PropertyViewModel(IPropertyView view, IRegionManager regionManager, IEventAggregator eventAggregator, IUnityContainer unityContainer)
            : base(regionManager, eventAggregator, unityContainer)
        {
            View = view;
            View.DataContext = this;
            NotificationRequest = new InteractionRequest<Notification>();
            ConfirmationRequest = new InteractionRequest<Confirmation>();

            EventAggregator = eventAggregator;
            UnityContainer = unityContainer;
            _regionManager = regionManager;
            EventAggregator.GetEvent<RaiseNotification>().Subscribe(OnRaiseNotification);
        }

        #region Methods
        /// <summary>
        /// Private Event handler for RaiseNotification event.
        /// </summary>
        private void OnRaiseNotification(NotificationContentEventArgs eventArgsWithTitle)
        {
            // Notification object expects a NotificationContentEventArgsWithoutTitle object and a Title string.
            var eventArgsWithoutTitle = new NotificationContentEventArgs(eventArgsWithTitle.Message, eventArgsWithTitle.MessageDetails, eventArgsWithTitle.Image);

            NotificationRequest.Raise(new Notification
            {
                Content = eventArgsWithoutTitle,
                Title = eventArgsWithTitle.Title
            });
        }

        public override void Initialize()
        {

        }

        public override void Initialize(object parameter)
        {
            Parent = (IBaseWindowModel)parameter;
        }
        public void Initialize(object parameter, object properties)
        {
            Parent = (IBaseWindowModel)parameter;
            _properties = properties;

        }
        public override void Activated()
        {
            throw new NotImplementedException();
        }

        public override void Cleanup()
        {
            throw new NotImplementedException();
        }

        public new Task CleanupAsync()
        {
            throw new NotImplementedException();
        }

        public override Task InitializeAsync()
        {
            throw new NotImplementedException();
        }

        public override Task InitializeAsync(object parameter)
        {
            throw new NotImplementedException();
        }
        #endregion

        #region ContextRegion



        #endregion


        #region Properties

        private object _properties;
        public object Properties {
            get { return _properties; }
            set { _properties = value; OnPropertyChanged("Properties"); }
        }

        ///<summary>
        ///Occurs when a property value changes.
        ///</summary>
        public new event PropertyChangedEventHandler PropertyChanged;

        private new void OnPropertyChanged(string propertyName)
        {
            var eventHandler = PropertyChanged;
            if (eventHandler != null)
            {
                eventHandler(this, new PropertyChangedEventArgs(propertyName));
            }
        }

        /// <summary>
        /// Gets the HeaderInfo.
        /// </summary>
        public string HeaderInfo
        {
            get { return "Graph Property"; }
        }

        public new bool IsBusy
        {
            get { throw new NotImplementedException(); }
            set { throw new NotImplementedException(); }
        }

        public new bool IsDirty
        {
            get { throw new NotImplementedException(); }
        }

        #endregion
    }
}