using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Events;

public class UI_Button : MonoBehaviour, IPointerEnterHandler, IPointerDownHandler, IPointerClickHandler,IPointerUpHandler, IPointerExitHandler
{
    public bool m_PointerDown;
    public bool m_PointerClick;
    public bool m_PointerUp;

    public bool m_PointerStay;

    public UnityEvent PointerEnterEvent;
    public UnityEvent PointerDownEvent;
    public UnityEvent PointerClickEvent;
    public UnityEvent PointerUpEvent;
    public UnityEvent PointerExitEvent;
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        PointerEnterEvent?.Invoke();
        m_PointerStay = true;
    }

    public void OnPointerDown(PointerEventData eventData)
    {
        PointerDownEvent?.Invoke();
        Debug.Log("Down");
    }

    public void OnPointerClick(PointerEventData eventData)
    {
        PointerClickEvent?.Invoke();
        Debug.Log("Click");
    }

    public void OnPointerUp(PointerEventData eventData)
    {
        PointerUpEvent?.Invoke();
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        PointerExitEvent?.Invoke();
        m_PointerStay = false;
    }
}