using System.Collections;
using Thousandto.Code.Center;
using Thousandto.Code.Global;
using Thousandto.Core.Asset;
using UnityEngine;
using UnityEngine.SceneManagement;
using CoroutinePool = UnityEngine.Gonbest.MagicCube.CoroutinePool;

namespace Thousandto.Code.Logic
{
    public class RetToUpdateState : GameStateBase
    {
        #region//构造函数
        public RetToUpdateState(GameStateId id) : base(id)
        {
        }
        #endregion

        #region//重写父类GameStateBase的函数
        protected override GameStateId OnGetStateID()
        {
            return GameStateId.RetToUpdate;
        }
        protected override void OnLoad()
        {

        }

        protected override void OnRelease()
        {

        }

        protected override void OnEnter()
        {
            GameCenter.HeartSystem.SendReqQuit();

            //打开Loading窗体
            GameCenter.LuaSystem.Adaptor.OpenLoadingForm(() => {

                //先关闭所有窗体
                GameCenter.PushFixEvent(LogicEventDefine.EID_EVENT_CLOSE_ALL_FORM, new string[] { "UILoadingForm" });

                //1.清理逻辑型数据
                GameCenter.ResetLogicSystem(true);

                GameCenter.GameSceneSystem.ClearMapID();

                CoroutinePool.AddTask(ReturnToUpdateProcess());
            });
        }

        protected override void OnLeave()
        {

        }

        protected override bool OnUpdate(float deltaTime)
        {
            return true;
        }
        #endregion

        #region//私有方法
        //切换到开始场景的一些处理
        private IEnumerator ReturnToUpdateProcess()
        {
            try
            {
                yield return null;

                GameCenter.LuaSystem.Adaptor.SetLoadingFormProgress(0.3f);

                GameCenter.GameSceneSystem.SetImmortalInfo(true);

                LocalPlayerRoot.Uninitialize();

                //清除其他Prefab
                GameCenter.GameSceneSystem.SceneSweepPrefab();
                yield return null;

                //清除所有非激活窗体
                GameCenter.PushFixEvent(LogicEventDefine.EID_EVENT_CLEAR_ALL_FORM_ASSET);
                yield return null;
                //5.删除所有没有使用的资源
                Resources.UnloadUnusedAssets();
                GameCenter.LuaSystem.Adaptor.SetLoadingFormProgress(0.7f);
                yield return null;

                //切换到一个中间型场景
                SceneManager.LoadScene(AssetConstDefine.SceneOffName);
                GameCenter.LuaSystem.Adaptor.SetLoadingFormProgress(0.9f);
                yield return null;

                GameCenter.GameSceneSystem.SceneSweepAsset();
                yield return null;
            }
            finally
            {
                //GameCenter.PushFixEvent(LogicEventDefine.EID_EVENT_RESUME_FORM_EVENT_SYSTEM);
                //切换到更新场景
#if UNITY_EDITOR
                SceneManager.LoadScene("Start");
#else
                SceneManager.LoadScene("Update");
#endif
                GameCenter.LuaSystem.Adaptor.SetLoadingFormProgress(1f);
                GameCenter.LuaSystem.Adaptor.CloseLoadingForm();
            }
        }
        #endregion
    }
}