using System;
using System.Collections;
using System.Collections.Generic;
using Framework;
using TMPro;
using UnityEngine;

public class UIMedalCountNode : MonoBehaviour
{
    [SerializeField] 
    private uint medalItemId;
    [SerializeField]
    private TMP_Text numText;
    [SerializeField]
    private uint medalItemCount;
    [SerializeField]
    private CanvasGroup canvasGroup;

    private bool isShow=false;
    private Func<uint,uint> GetMedalCountFunc;

    private void EnsureUIReferences()
    {
        if (numText == null)
            numText = GetComponentInChildren<TMP_Text>(true);
        if (canvasGroup == null)
            canvasGroup = GetComponentInChildren<CanvasGroup>(true);
    }
    
    private void Awake()
    {
        EnsureUIReferences();
        if (canvasGroup != null)
            canvasGroup.alpha = 0;
    }

    private void OnEnable()
    {
        EventManager.Instance.Register<uint>(EventManager.EventName.ItemChange,Refresh);
    }

    private void Refresh(uint id)
    {
        if(id!=medalItemId||!isShow) return;
        
        EnsureUIReferences();
        medalItemCount = GetMedalCountFunc?.Invoke(medalItemId) ?? 0;
        if (canvasGroup != null)
            canvasGroup.alpha = medalItemCount > 0 ? 1 : 0;
        if (numText != null)
            numText.text = medalItemCount.ToString();
    }
    
    public void SetNode(uint id,Func<uint,uint> getMedalCountFunc,int repeat=0)
    {
        if (repeat == 0)
        {
            EnsureUIReferences();
            if (canvasGroup != null)
                canvasGroup.alpha = 0;
            isShow = false;
            return;
        }
        
        isShow = true;
        medalItemId = id;
        GetMedalCountFunc = getMedalCountFunc;
        medalItemCount = GetMedalCountFunc?.Invoke(medalItemId) ?? 0;
        
        gameObject.SetActive(true);
        gameObject.transform.parent.gameObject.SetActive(true);
        EnsureUIReferences();
        Refresh(medalItemId);
    }

    private void OnDisable()
    {
        EventManager.Instance.Unregister<uint>(EventManager.EventName.ItemChange,Refresh);
    }

    private void OnDestroy()
    {
        EventManager.Instance.Unregister<uint>(EventManager.EventName.ItemChange,Refresh);
        GetMedalCountFunc = null;
    }
}