using System.Reactive.Linq;

using AvaloniaEdit.Document;

using Dock.Model.Mvvm.Controls;

using DynamicData.Binding;

using InkForge.Desktop.Models;

namespace InkForge.Desktop.ViewModels.Documents;

public class NoteEditDocumentViewModel : Document
{
	public Note Note { get; }

	public TextDocument Document { get; }

	public NoteEditDocumentViewModel(Note note, TextDocument textDocument)
	{
		Note = note;
		Document = textDocument;

		Observable.CombineLatest(
			this.WhenValueChanged(v => v.Note.Name),
			this.WhenValueChanged(v => v.Document.UndoStack.IsOriginalFile),
			(name, original) => original ? name : $"{name} *"
		).Subscribe(title => Title = title!);
	}
}