using Caliburn.Micro.Core;
using System.Collections.Generic;

namespace OpenSEMI.ClientBase
{
	public class BaseModel : Screen
	{
		private int permission = 0;

		private int token = 0;

		public PageID Page
		{
			get;
			set;
		}

		public List<string> PageStateList
		{
			get;
			set;
		}

		public int Permission
		{
			get
			{
				return permission;
			}
			set
			{
				if (permission != value)
				{
					permission = value;
					NotifyOfPropertyChange("Permission");
				}
			}
		}

		public bool HasToken => token > 0 && true;

		public int Token
		{
			get
			{
				return token;
			}
			set
			{
				if (token != value)
				{
					token = value;
					OnTokenChanged(token);
					NotifyOfPropertyChange("Token");
				}
			}
		}

		public BaseModel()
		{
			PageStateList = new List<string>();
		}

		protected virtual void OnTokenChanged(int nNewToken)
		{
		}

		protected override void OnActivate()
		{
			base.OnActivate();
			BaseApp.Instance.StatesManager.Register(PageStateList, false);
		}

		protected override void OnDeactivate(bool close)
		{
			base.OnDeactivate(close);
			BaseApp.Instance.StatesManager.UnRegister(PageStateList);
		}
	}
}