using System;
using Animancer;
using TH1Resource;
using TMPro;
using UnityEngine;
using UnityEngine.UI; // 用于 Button 组件

// 自动为该物体添加一个 Button 组件，确保它总是可点击的
[RequireComponent(typeof(Button))]
public class ToggleButtonController : MonoBehaviour
{
 
    private bool _isOn; // 当前开关状态

    //操作对象
    public GameObject Handle;
    public AnimationClip TurnOn;
    public AnimationClip TurnOff;
    private AnimancerComponent _anim;
    public Action On;
    public Action Off;

    void Start()
    {
        // 1. 加载状态
        // PlayerPrefs.GetInt(key, defaultValue) 如果找不到key，则返回1(ON)
        _isOn = true;
        
        // 2. 初始化UI状态 (无动画)
        // 直接将动画播放到最后一帧，瞬间完成状态切换
        _anim = Handle.transform.GetComponent<AnimancerComponent>();

        if (_anim != null)
        {
            //var state = _anim.Play(_isOn ? TurnOn : TurnOff);
            var state = _anim.Play(TurnOn);
            state.NormalizedTime = 1f;
        }
        // 3. 监听点击事件
        GetComponent<Button>().onClick.AddListener(OnToggleClicked);
    }

    public void Refresh(bool isON,Action actOn,Action actOff)
    {
        _isOn = isON;
        On = actOn;
        Off = actOff;
        if (_anim != null)
        {
            //var state = _anim.Play(_isOn ? TurnOn : TurnOff);
            var state = _anim.Play(TurnOn);
            state.NormalizedTime = 1f;
        }   
    }
    
    /// <summary>
    /// 当Toggle被点击时调用
    /// </summary>
    private void OnToggleClicked()
    {
        // 1. 翻转状态
        _isOn = !_isOn;
        if (_isOn)
            On.Invoke();
        else
            Off.Invoke();
        //2. 播放对应动画
        if(_anim != null)
            _anim.Play(_isOn ? TurnOn : TurnOff );
        
        // 3. 传递信息
        
    }

    void OnDestroy()
    {
        // 移除监听，防止内存泄漏
        var button = GetComponent<Button>();
        if (button != null)
        {
            button.onClick.RemoveListener(OnToggleClicked);
        }
    }
}