using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System;
using System.IO;

namespace GeneralTools
{
    public class LoadingManager : SingletonBaseAttribute<LoadingManager>
    {
        protected bool canAddAction = true;
        public event Action LoadingFinshedListeners;
        public override void IAwake()
        {
            canAddAction = true;
        }
        public override void IStart()
        {
            StartCoroutine(WaitRegister());
        }
        IEnumerator WaitRegister()
        {
            MessageBox.Instance.ShowNotice("正在加载中", "等待组件注册");
            yield return new WaitForSeconds(3);
            canAddAction = false;

            List<Action> loadingListeners = WaitLoadResources.loadingListeners;
            float progress = 0;

            int loadNum = loadingListeners.Count;
            MessageBox.Instance.HideNotice();
            //加载注册事件
            for (int i = 0; i < loadingListeners.Count; i++)
            {
                float p = progress / loadNum;
                MessageBox.Instance.ShowProgressBar("正在加载中", (p * 100).ToString("F1") + "%", p);
                yield return new WaitForEndOfFrame();
                yield return new WaitForEndOfFrame();
                yield return new WaitForEndOfFrame();
                yield return new WaitForEndOfFrame();
                yield return new WaitForEndOfFrame();
                loadingListeners[i]();
                progress += 1;
                yield return new WaitForEndOfFrame();
            }
            MessageBox.Instance.ShowProgressBar("加载完成", "加载完成", 1);
            yield return new WaitForSeconds(2.0f);
            MessageBox.Instance.HideProgressBar();
            LoadingFinshedListeners?.Invoke();
        }
    }
}