using System;
using System.Threading.Tasks;
using Cysharp.Threading.Tasks;
using Main;
using Stary.Evo.AudioCore;
using UnityEngine;
using UnityEngine.Events;
using YooAsset;

namespace Stary.Evo
{
    /// <summary>
    /// 热更基类,应该继承的基类
    /// </summary>
    public class DomainBase : MonoBehaviour
    {
        public string DomainName { protected get; set; }

        public Transform TransformInfo;
        protected bool isExit { private get; set; }

        /// <summary>
        /// 触发Domain时，调用该方法
        /// </summary>
        /// <param name="param"></param>
        public virtual void OnEnter(string param)
        {
            TransformInfo = transform.Find("TransformInfo");
            
        }

        /// <summary>
        /// Domain被关闭时，会调该方法
        /// </summary>
        /// <param name="param"></param>
        public virtual void OnExit()
        {
            isExit = true;
            AudioCoreManager.StopMusic();
          
        }


  
        public virtual async Task OnEnterAsync(string param)
        {
            isExit = true;
        }

        public virtual  Task OnExitAsync()
        {
            return Task.CompletedTask;
        }

        private async void OnDestroy()
        {
            await ForceUnloadAllAssets();
        }

        // 强制卸载所有资源包，该方法请在合适的时机调用。
        // 注意：Package在销毁的时候也会自动调用该方法。
        private async UniTask ForceUnloadAllAssets()
        {
            var package = YooAssets.TryGetPackage(DomainName);
            if (package != null)
            {
                var operation = package.UnloadAllAssetsAsync();
                await operation;
                await package.DestroyAsync();
                YooAssets.RemovePackage(DomainName);

                Resources.UnloadUnusedAssets();
                GC.Collect();
                GC.WaitForPendingFinalizers();
                Debug.Log($"UnityEvo:{DomainName} 资源包已卸载...");
            }
            else
            {
                Debug.LogWarning($"UnityEvo:{DomainName} 资源包不存在，请检查是否已经卸载还是卸载异常...");
            }
        }
    }
}