using System;
using System.Collections.Generic;

namespace Cryville.Crtr.Browsing {
	public interface IResourceManager {
		int Count { get; }

		IResourceMeta this[int index] { get; }
		Uri GetItemUri(int index);

		event Action ItemChanged;
		bool IsReadOnly { get; }
		bool ImportFrom(Uri uri);
		void RemoveAt(int index);

		void Activate();
		void Deactivate();

		void ApplyFilter(string filter);
	}
	public interface IResourceManager<out T> : IResourceManager where T : IResourceMeta {
		new T this[int index] { get; }
	}
	public interface IPathedResourceManager<out T> : IResourceManager<T> where T : IResourceMeta {
		event Action DirectoryChanged;
		IList<string> CurrentDirectory { get; }
		void ChangeDirectory(IEnumerable<string> dir);
		bool IsDirectory(int index);
		void OpenDirectory(int index);
		void ReturnToDirectory(int index);
	}
}