namespace OMNIPruefung.ViewModels.Content
{
    using OMNIPruefung.ViewModels.Base;

    using System.Collections.ObjectModel;

    public class MainContentVM : ContentVM
    {
        public MainContentVM() : base()
        {
            this.Content = this;
            this.Header = "OMNI+ Prüfung";
            this.ContentSelected += this.SetContentSelected;
            this.Options = new ObservableCollection<OptionVM>();

            var exchangeHubVM = new ExchangeHubContentVM();
            exchangeHubVM.ContentSelected += this.SetContentSelected;

            var contentEOL = new EOLContentVM();
            contentEOL.ContentSelected += this.SetContentSelected;
            
            this.Nodes.Add(exchangeHubVM);
            this.Nodes.Add(contentEOL);
            
            this.Options.Add(exchangeHubVM.Option);
            this.Options.Add(contentEOL.Option);
        }

        private ContentVM content;
        public ContentVM Content
        {
            get => this.content;
            set
            {
                this.content = value;

                this.NotifyPropertyChanged(nameof(this.Content));
            }
        }

        public ObservableCollection<OptionVM> Options { get; }

        private void SetContentSelected(ContentVM content)
            => this.Content = content;
    }
}