using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using TMPro;

public class Tips : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, IPointerClickHandler
{
    public GameObject tip;

    private Text _uiText;
    private TMP_Text _tmpText;
    private string _key;

    void Awake()
    {
        CacheTextRef();

        if (tip != null)
            tip.SetActive(false);
    }

    void CacheTextRef()
    {
        _uiText = null;
        _tmpText = null;
        _key = null;

        if (tip == null) return;

        var all = tip.GetComponentsInChildren<Transform>(true);
        foreach (var t in all)
        {
            if (t.CompareTag("txt"))
            {
                _uiText = t.GetComponent<Text>();
                _key = t.name;
                return;
            }

            if (t.CompareTag("txtpro"))
            {
                _tmpText = t.GetComponent<TMP_Text>();
                _key = t.name;
                return;
            }
        }
    }

    public void Show()
    {
        if (tip == null) return;

        tip.SetActive(true);

        if ((_uiText == null && _tmpText == null) || string.IsNullOrEmpty(_key))
            CacheTextRef();

        if (!string.IsNullOrEmpty(_key))
        {
            string tr = TRANS.This(_key);

            if (_tmpText != null) _tmpText.text = tr;
            else if (_uiText != null) _uiText.text = tr;
        }
    }

    public void Hide()
    {
        if (tip == null) return;
        tip.SetActive(false);
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        Show();
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        Hide();
    }

    public void OnPointerClick(PointerEventData eventData)
    {
        Hide();
    }
}