using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace GeneralTools
{
    /// <summary>
    /// 所有释放资源的方法放这里
    /// </summary>
    public class ReleaseResources : SingletonBaseAttribute<ReleaseResources>
    {
        private int releaseTime = 30;
        private event Action ReleaseActionListeners;

        public override void IAwake()
        {
            ReleaseActionListeners += ResoucesUnLoad;
            ReleaseActionListeners += GCCollect;
        }
        public override void IStart()
        {
            releaseTime = ConfigHelper.releaseTime;
            if (releaseTime > 0)
            {
                StartCoroutine(Release());
            }
        }
        /// <summary>
        /// 添加一个释放资源方法
        /// </summary>
        /// <param name="action"></param>
        public void AddReleaseAction(Action action)
        {
            if (action != null)
            {
                ReleaseActionListeners += action;
            }
        }
        private void ResoucesUnLoad()
        {
            Resources.UnloadUnusedAssets();
        }
        private void GCCollect()
        {
            GC.Collect();
        }
        IEnumerator Release()
        {
            while (true)
            {
                yield return new WaitForSeconds(releaseTime);
                if (ReleaseActionListeners != null)
                    ReleaseActionListeners();
            }
        }
    }
}