// 本脚本只在不存在时会生成一次。已存在不会再次生成覆盖

using System.Collections.Generic;
using System.Linq;
using FairyGUI;
using UnityEngine;
using NBC;
using UIPanel = NBC.UIPanel;

namespace NBF
{
    public partial class NoticesPanel : UIPanel
    {
        private static HashSet<INoticeComponent> _noticeComponents = new();
        private static Queue<INoticeComponent> _waitAddComponents = new();
        private static bool _isOpen;

        public static void TryAddNoticeComponent(INoticeComponent noticeComponent)
        {
            if (!_isOpen)
            {
                Show();
            }

            if (_noticeComponents.Any(iNoticeComponent => iNoticeComponent.GetType() == noticeComponent.GetType()))
            {
                return;
            }

            if (_waitAddComponents.Any(waitAddComponent => waitAddComponent.GetType() == noticeComponent.GetType()))
            {
                return;
            }

            _waitAddComponents.Enqueue(noticeComponent);
        }


        protected override void OnInit()
        {
            ContentPane.sortingOrder = UIDef.UIOrder.Notices;
        }

        protected override void OnShow()
        {
            _isOpen = true;
        }

        protected override void OnUpdate()
        {
            foreach (var noticeComponent in _noticeComponents)
            {
                noticeComponent?.OnUpdate();
            }

            if (_waitAddComponents.Count > 0)
            {
                var com = _waitAddComponents.Dequeue();
                var noticeComponent = UIPackage.CreateObject(UIDef.Pack.Common, "CommonContainer") as GComponent;
                noticeComponent.width = ContentPane.width;
                noticeComponent.height = ContentPane.height;
                ContentPane.AddChild(noticeComponent);
                com.OnInit(noticeComponent);
                _noticeComponents.Add(com);
            }
        }


        protected override void OnHide()
        {
            _isOpen = false;
        }

        protected override void OnDestroy()
        {
            foreach (var noticeComponent in _noticeComponents)
            {
                noticeComponent?.OnDestroy();
            }
        }
    }
}