using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System;
using System.Threading.Tasks;

public class SkillCoolDownUI : MonoBehaviour
{
    public Image cooldownImage; // 拖动Image组件到这里
    public Text cooldowntext;//显示计时器剩余时间
    public event Action OnCooldownFinished; // 冷却结束事件

    private Coroutine countdownCoroutine;

    public async void StartCooldown(float cooldownTime)
    {
        if (countdownCoroutine != null)
        {
            StopCoroutine(countdownCoroutine);
        }

        // 调用异步方法来启动冷却
        await CooldownRoutine(cooldownTime);
    }

    public async Task CooldownRoutine(float cooldownTime)
    {
        float elapsed = 0f;
        cooldownImage.fillAmount = 1; // 设置为满

        while (elapsed < cooldownTime)
        {
            elapsed += Time.deltaTime;
            cooldownImage.fillAmount = 1 - (elapsed / cooldownTime);
            cooldowntext.text = ((1 - (elapsed / cooldownTime)) * 10).ToString("F1");

            // 使用 Task.Delay 来代替协程的 yield return
            await Task.Yield();  // 让出当前帧，等待下次更新
        }

        HandleCooldownFinished();
    }


    private void HandleCooldownFinished()
    {
        cooldownImage.fillAmount = 0; // 重新设置为0
        OnCooldownFinished?.Invoke(); // 触发冷却结束事件

        Destroy(gameObject);
    }




}