using System;
using System.Collections;
using System.Collections.Generic;

namespace BITKit.UX.Hotkey
{
	public interface IHotkeyProvider
	{
		string Name { get; }
		string Description { get; }
		object Data { get; }
		bool Enabled { get; }
		Action OnPerform { get; }
		float HoldDuration => 0;
	}
	public struct HotkeyProvider : IHotkeyProvider
	{
		public string Name { get; set; }
		public string Description { get; set; }
		public object Data { get; set; }
		public bool Enabled { get; set; }
		public Action OnPerform { get; set; }

		public float HoldDuration { get; set; }
	}
	public interface IHotkeyCollection
	{
		IEnumerable<IHotkeyProvider> Hotkeys { get; }
		void Register(IHotkeyProvider hotkey);
		void UnRegister(IHotkeyProvider hotkey);
	}

	public class HotkeyCollection:IHotkeyCollection
	{
		private readonly HashSet<IHotkeyProvider> _hotkeys = new();
		public IEnumerable<IHotkeyProvider> Hotkeys => _hotkeys;
		public void Register(IHotkeyProvider hotkey)
		{
			_hotkeys.Add(hotkey);
		}

		public void UnRegister(IHotkeyProvider hotkey)
		{
			_hotkeys.Remove(hotkey);
		}
	}
}