using System.Collections.Generic;
using DG.Tweening;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace BlueWater.Uis
{
    public class TycoonUiManager : Singleton<TycoonUiManager>
    {
        // Variables
        #region Variables

        [field: SerializeField]
        public Canvas MainCanvas { get; private set; }
        
        [field: SerializeField]
        public Canvas WorldCanvas { get; private set; }
        
        [SerializeField]
        private Image _fadeImage;

        [Title("테스트")]
        [SerializeField]
        private bool _isUiClickTest;
        
        [SerializeField]
        private GraphicRaycaster _raycaster;
        
        [SerializeField]
        private EventSystem _eventSystem;
        
        #endregion
        
        // Unity events
        #region Unity events
        
        protected override void OnAwake()
        {
            InitializeComponents();
        }
        
        private void Start()
        {
            EventManager.OnFadeInOut += FadeInOut;
        }
        
        private void Update()
        {
            if (!_isUiClickTest) return;
            
            if (Input.GetMouseButtonDown(0))
            {
                // 1. UI Raycast
                PointerEventData pointerData = new PointerEventData(_eventSystem)
                {
                    position = Input.mousePosition
                };

                List<RaycastResult> uiResults = new List<RaycastResult>();
                _raycaster.Raycast(pointerData, uiResults);

                if (uiResults.Count > 0)
                {
                    Debug.Log($"Clicked on UI: {uiResults[0].gameObject.name}");
                    return;
                }

                // 2. 3D Raycast
                Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                if (Physics.Raycast(ray, out RaycastHit hit))
                {
                    Debug.Log($"Clicked on 3D Object: {hit.collider.gameObject.name}");
                    return;
                }

                // 3. 2D Raycast
                Vector2 mousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
                RaycastHit2D hit2D = Physics2D.Raycast(mousePosition, Vector2.zero);

                if (hit2D.collider != null)
                {
                    Debug.Log($"Clicked on 2D Object: {hit2D.collider.gameObject.name}");
                }
            }
        }

        private void OnDestroy()
        {
            EventManager.OnFadeInOut -= FadeInOut;
        }

        #endregion

        // Initialize methods
        #region Initialize methods

        [Button("셋팅 초기화")]
        private void InitializeComponents()
        {
            MainCanvas = GetComponent<Canvas>();
            WorldCanvas = GameObject.Find("WorldCanvas").GetComponent<Canvas>();
        }
        
        #endregion

        // Methods
        #region Methods
        
        public void FadeInOut(float fadeInTime, float fadeOutTime, Color? fadeColor = null, float delayAfterFadeIn = 0f)
        {
            var newColor = new Color(1f, 1f, 1f, 0f);
            if (fadeColor != null)
            {
                newColor = (Color)fadeColor;
            }
            _fadeImage.color = newColor;
            _fadeImage.enabled = true;
            _fadeImage.DOFade(1f, fadeInTime).OnComplete(() =>
            {
                DOVirtual.DelayedCall(delayAfterFadeIn, () =>
                {
                    _fadeImage.DOFade(0f, fadeOutTime).OnComplete(() =>
                    {
                        _fadeImage.enabled = false;
                    });
                });
            });
        }

        #endregion
    }
}