using System;
using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using BrewMonster.Scripts.UI;
namespace BrewMonster.Scripts.Task.UI
{
    public class TaskTreeViewItem : MonoBehaviour, IRefreshLayout
    {
        [SerializeField] private TextOutlet m_text;
        [SerializeField] private Button m_Button;
        [SerializeField] private Toggle _expandToggle;
        [SerializeField] private Image _expandBG;
        [SerializeField] private Sprite ExpandBGActive;
        [SerializeField] private Sprite ExpandBGInactive;
        [SerializeField] private RectTransform _rectTransform;
        public UnityEvent OnClick = new UnityEvent();
        public UnityEvent<bool> OnExpand = new UnityEvent<bool>();

        #region UNITY_METHODS

        private void Awake()
        {
            m_Button.onClick.AddListener(OnClick.Invoke);
            _expandToggle.onValueChanged.AddListener(SetExpand);
            _rectTransform = GetComponent<RectTransform>();
        }

        // private void Start()
        // {
        //     RectTransform parent = transform.parent.GetComponent<RectTransform>();
        //     if (parent != null && parent.GetComponent<ContentSizeFitter>())
        //     {
        //         // Force Unity to rebuild layout immediately
        //         parent.ForceUpdateRectTransforms();
        //         LayoutRebuilder.ForceRebuildLayoutImmediate(parent);
        //     }
        // }

        #endregion

        #region PUBLIC_METHODS

        public void SetItemData(uint uItemData)
        {
            gameObject.name = $"Task_{uItemData}";
        }
          
        public void SetItemTextColor(Color color)
        {
            
            if (m_text != null)
            {
               m_text.SetColor(color);
            }
        }
        public void SetLastItem(bool isLastItem)
        {
            if(isLastItem)
            {
                _expandToggle.onValueChanged.RemoveAllListeners();
            }
            else
            {
                _expandToggle.onValueChanged.AddListener(OnExpandToggleValueChanged);
            }
        }
        public void SetItemText(string text)
        {
            if (m_text != null)
            {
                m_text.Set(text);
            }
        }
        
        
        public void SetExpand(bool expand)
        {
            _expandBG.sprite = expand ? ExpandBGActive : ExpandBGInactive;
            //_expandButton.gameObject.SetActive(!expand);
            //_collapseButton.gameObject.SetActive(expand);
            //RefreshLayout();
            OnExpand.Invoke(expand);
            RefreshLayout();
        }

        #endregion

        // public void OnPointerClick(PointerEventData eventData)
        // {
        //     OnClick.Invoke(m_uItemData);
        //     EventBus.Publish(new TaskItemClickEvent() { Data = m_uItemData });
        //     // TaskWindow.Instance.OnEventLButtonDown_Tv_Quest(m_uItemData);
        // }
        
        public void RefreshLayout()
        {
            if (transform.parent &&
                transform.parent.TryGetComponent<IRefreshLayout>(out var refreshLayout))
            {
                refreshLayout.RefreshLayout();
            }
        }
        public void RefreshSelf()
        {
            var rectTransform = _rectTransform;
            if (rectTransform == null)
            {
                return;
            }
            rectTransform.ForceUpdateRectTransforms();
            LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform);
        }

        void OnExpandToggleValueChanged(bool isOn)
        {
            SetExpand(isOn);
        }
    }
    
    public struct TaskItemClickEvent
    {
        public uint Data;
        
        public TaskItemClickEvent(uint data)
        {
            Data = data;
        }
    }
}