using ET;
using ET;
using FairyGUI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;

namespace ET
{
    public class HudComponentAwakeSystem: AwakeSystem<HudComponent>
    {
        public override void Awake(HudComponent self)
        {
            HudComponent.Instance = self;
        }
    }

    public class HudComponent: Entity
    {
        public static HudComponent Instance { get; set; }

        /// <summary>
        /// 运行中的组件
        /// </summary>
        private Queue<GComponent> PreQue = new Queue<GComponent>();

        private readonly int sortingOrder = 100;

        public void Init(Unit unit)
        {
            if (PreQue.Count == 0)
            {
                GameObject hud = new GameObject("Hud");
                GComponent c = hud.Add3DUI(FUI_HeadTitleInfo.UIPackageName, FUI_HeadTitleInfo.UIResName, Camera.main, sortingOrder);
                this.PreQue.Enqueue(c);
            }
            HudCharacter hudCharacter = unit.AddComponent<HudCharacter>();

            GComponent gComponent = this.PreQue.Dequeue();
            UnitView unitView = unit.GetComponent<UnitView>();
            FUI_HeadTitleInfo fui = FUI_HeadTitleInfo.GetFormPool(FUIComponent.Instance, gComponent);
            fui.Name = fui.Id.ToString();
            hudCharacter.fui = fui;
            
            Transform go = fui.self.container.cachedTransform.parent.parent;
            go.SetParent(unitView.transform);
            go.position = unitView.HeadPoint.position;
            go.localScale = Vector3.one / 100;
            go.gameObject.SetActive(true);
            FairyGUI.Stage.inst.SortWorldSpacePanelsByZOrder(sortingOrder);

            hudCharacter.SetUnitType(unit);
        }

        public void Remove(Unit unit)
        {
            FUI_HeadTitleInfo fui = unit.GetComponent<HudCharacter>().fui;
            if (fui == null)
            {
                Log.Error($"fui == null");
                return;
            }

            this.PreQue.Enqueue(fui.self);
            Transform go = fui.self.container.cachedTransform.parent.parent;
            go.SetParent(UnityRoot.Instance.ObjPoolParent);
            go.gameObject.SetActive(false);
            unit.RemoveComponent<HudCharacter>();
        }
    }
}