using System;
using Cysharp.Threading.Tasks;

// ReSharper disable UnassignedGetOnlyAutoProperty

namespace BITKit.UX
{
	/// <summary>
	/// 基本UX面板接口,定义了基本的UX面板功能
	/// </summary>
	/// <para>⭐同步打开与关闭</para>
	/// <para>⭐异步打开与关闭</para>
	/// <para>⭐当前可见状态</para>
	/// <para>⭐基本UI导航回调</para>
	public interface IUXPanel:IEntryElement,IUpdate
	{
		/// <summary>
		/// 该面板是否具有动画
		/// </summary>
		bool IsAnimate { get; }
		/// <summary>
		/// 该面板是否有效,用于检查该面板是否已经被销毁
		/// </summary>
		bool IsValid { get; }
		/// <summary>
		/// 该面板的索引(入口,Key)
		/// </summary>
		string Index { get; }
		/// <summary>
		/// 该面板是否启用指针
		/// </summary>
		bool AllowCursor { get; }
		/// <summary>
		/// 该面板是否启用玩家输入
		/// </summary>
		bool AllowInput { get; }
		/// <summary>
		/// 事件回调,当面板被打开时触发
		/// </summary>
		event Action OnEntry;
		/// <summary>
		/// 事件回调,当面板被关闭时触发
		/// </summary>
		event Action OnExit;
	}
	public abstract class UXPanelImplement:IUXPanel
	{
		protected abstract IUXPanel service { get; }
		 private IUXPanel _iuxPanelImplementation => service;
		public bool IsAnimate => _iuxPanelImplementation.IsAnimate;

		public bool IsValid => _iuxPanelImplementation.IsValid;

		public string Index => _iuxPanelImplementation.Index;

		public bool AllowCursor => _iuxPanelImplementation.AllowCursor;

		public bool AllowInput => _iuxPanelImplementation.AllowInput;

		public bool IsEntered
		{
			get => service.IsEntered;
			set => service.IsEntered = value;
		}

		public void Entry()
		{
			_iuxPanelImplementation.Entry();
		}

		public UniTask EntryAsync()
		{
			return service.EntryAsync();
		}

		public void Entered()
		{
			service.Entered();
		}

		public void Exit()
		{
			_iuxPanelImplementation.Exit();
		}

		public UniTask ExitAsync()
		{
			return service.ExitAsync();
		}

		public void Exited()
		{
			service.Exited();
		}

		public event Action OnEntry
		{
			add => _iuxPanelImplementation.OnEntry += value;
			remove => _iuxPanelImplementation.OnEntry -= value;
		}

		public event Action OnExit
		{
			add => _iuxPanelImplementation.OnExit += value;
			remove => _iuxPanelImplementation.OnExit -= value;
		}

		public void OnUpdate(float deltaTime)
		{
			service.OnUpdate(deltaTime);
		}
	}
}