using System.Collections.Generic;

using Framework;

using Framework.Wrapper;

using Gameplay.Character;

using Gameplay.Level;
using Gameplay.Unit;
using PhxhSDK;
using TMPro;

using UnityEngine;

using Utils;



public class UIDebugShowIDController : UIWindow

{



    public class UIInfos : UIGameObjectWrapper

    {

        public TextMeshProUGUI Text_ID;

        public TextMeshProUGUI Text_State;

        public UIInfos(GameObject go) : base(go, true)

        {

            Text_ID = GetItem<TextMeshProUGUI>("Text_ID");

            Text_State = GetItem<TextMeshProUGUI>("Text_State");

            

        }

    }

    private Dictionary<uint, UIInfos> _idInfos = new Dictionary<uint, UIInfos>(16);

    private Stack<UIInfos> _infoPool = new Stack<UIInfos>(16);

    private GameObject _template;

    

    private HashSet<uint> _tempRemoveSet = new HashSet<uint>(16);



    public override void OnInit()

    {

        _template = FindObj("TemplateRoot");

        _template.SetActive(false);

    }



    private void Update()

    {

        var characterManager = GameUnitManager.instance.characterManager;

        if (characterManager == null)

        {

            HideWindow();

            return;

        }



        // -------------------

        _tempRemoveSet.Clear();

        foreach (var info in _idInfos)

        {

            if (characterManager.Get(info.Key) == null)

            {
                
                _tempRemoveSet.Add(info.Key);

            }

        }

        foreach (var id in _tempRemoveSet)

        {

            RecycleInfoGo(_idInfos[id]);

            _idInfos.Remove(id);

        }

        //-------------------

        

        characterManager.ForEach(delegate(Character character)

        {

            var id = character.GetID();

            if (!_idInfos.ContainsKey(id))

            {

                _idInfos.Add(id, CreateInfo(id));

            }

            var infos = _idInfos[id];



            var pos = PhxhSDK.Utils.WorldPos2ScreenPos(character.transData.pos, CameraManager.Instance.MainCamera);

            pos = PhxhSDK.Utils.ScreenPos2WorldPos(pos, CameraManager.Instance.UICamera);

            pos = new Vector3(pos.x, pos.y, 0);

            infos.SetPosition(pos);

            infos.Text_State.text = $"{character?.downFSM?.currentState?.GetType().Name}" +

                                    $", {character?.upFSM?.currentState?.GetType().Name}" +

                                    $", {character?.fullFSM?.currentState?.GetType().Name}";

        });

    }



    private void RecycleInfoGo(UIInfos info)

    {

        if (info != null)

        {

            info.IsActive = false;

        }

        _infoPool.Push(info);

    }



    private UIInfos CreateInfo(uint id)

    {

        if (!_infoPool.TryPop(out var infos))

        {

            infos = new UIInfos(GameObject.Instantiate(_template, _template.transform.parent));

        }

        infos.IsActive = true;

        infos.Text_ID.text = $"ID:{id:000000}";

        infos.Text_State.text = $"State:{EDownState.None}";

        return infos;

    }

}