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

public class UI_LoadingPanel : BasePanel
{
    public Slider loadSlider;

    public CanvasGroup canvasGroup;
    private float currentProgress = 0;
    public float speed;
    public bool isLoading = false;
    public TextMeshProUGUI Slider_Text;
    public Sprite[] frames; // ÿһ֡µÄSpriteͼƬ
    private Image image;
    public int index = 0;
    protected override void Awake()
    {
        base.Awake();
        //canvasGroup.alpha = 0;
        loadSlider = GetControl<Slider>("loadSlider");
        Slider_Text = GetControl<TextMeshProUGUI>("%");
        image = GetControl<Image>("middleImage"); // Ñ­»·²¥·Å
    }

    public override  void ShowMe(int time = 0)
    {
        base.ShowMe(); // Ñ­»·²¥·Å
        index = 0;
        Slider_Text.text = "0%";
       // await ToolManager.CanvasFadeIn(canvasGroup, 0.5f);
        Bootstrap.Instance.eventCenter.AddEventListener<float>(Enum_EventType.UpdateProgress, UpdateProgress);

    }

    public override  void HideMe(int time = 0)
    {
        base.HideMe();
        loadSlider.value = 0;
        currentProgress = 0;
        speed = 0;
        //await ToolManager.CanvasFadeOut(canvasGroup, 0.5f);
        Bootstrap.Instance.eventCenter.RemoveEventListener<float>(Enum_EventType.UpdateProgress, UpdateProgress);

    }

    private  void Update()
    {
        if (isLoading)
        {
            if (currentProgress < 0.98f)
            {
                currentProgress += Time.deltaTime * speed;
                loadSlider.value = currentProgress;
                float percent = loadSlider.value * 100f;
                Slider_Text.text = Mathf.RoundToInt(percent) + "%";
            }
            else
            {
                isLoading = false;
                HideMe();
            }
        }

    }

    public async UniTask Loading()
    {
        while (isLoading) 
        {
            index++;
            //Debug.Log(index+"°¡°¡°¡°¡°¡°¡°¡°¡°¡");
            await UniTask.Delay(50);
            if (index >= frames.Length)
            {
                index = 0;
            }
            image.sprite = frames[index];
        }
       
    }
    private async void UpdateProgress(float speed)
    {
        isLoading = true;
        this.speed = speed;
        await Loading();
    }

    //private IEnumerator Animate()
    //{
    //    for (int i = 0; i < frames.Length; i++)
    //    {
    //        image.sprite = frames[i];
    //        yield return new WaitForSeconds(1f / frameRate);
    //    }

    //}
}