using System.Net;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using System;

namespace BF
{
    public enum EliminationTouchEventType
    {
        Unknown = 0,
        Enter,
        Down,
        Up,
        Cancel,
        Exit
    }

    [RequireComponent(typeof(Graphic))]
    public class EliminationTouchEvent : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IPointerEnterHandler, IPointerExitHandler, ICancelHandler
    {
        protected Action<int, float, float> luaFunc;
#if UNITY_EDITOR
        private EliminationTouchEventType touchEvent = EliminationTouchEventType.Unknown;
#endif

        public void AddTouchEventListener(Action<int, float, float> func)
        {
            luaFunc = func;
        }

        public void RemoveEventListener()
        {
            luaFunc = null;
        }

        public void OnCancel(BaseEventData eventData)
        {
            if (luaFunc != null)
            {
                luaFunc((int)EliminationTouchEventType.Cancel, 0, 0);
            }
        }

        public void OnPointerDown(PointerEventData eventData)
        {
            if (luaFunc != null)
            {
                luaFunc((int)EliminationTouchEventType.Down, eventData.position.x, eventData.position.y);
            }
        }

        public void OnPointerEnter(PointerEventData eventData)
        {
            // if (!ReferenceEquals(eventData.pointerPress, eventData.pointerEnter))
            // {
            //     return;
            // }
// #if UNITY_EDITOR
//             if (touchEvent != EliminationTouchEventType.Down)
//             {
//                 return;
//             }
// #endif
            if (luaFunc != null)
            {
                luaFunc((int)EliminationTouchEventType.Enter, eventData.position.x, eventData.position.y);
            }
        }

        public void OnPointerExit(PointerEventData eventData)
        {
            if (luaFunc != null)
            {
                luaFunc((int)EliminationTouchEventType.Exit, eventData.position.x, eventData.position.y);
            }
        }

        public void OnPointerUp(PointerEventData eventData)
        {
            if (luaFunc != null)
            {
                luaFunc((int)EliminationTouchEventType.Up, eventData.position.x, eventData.position.y);
            }
        }
    }
}