using Code.Scripts.Gameplay.Utils;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Level;
using Gameplay.Story;
using Gameplay.SubSystems;

namespace Code.Scripts.Gameplay.Game
{
    public class GameStateStory : IState
    {

        private readonly cfg.StoryCfg.DataStoryMain _storyConfig;

        private bool _isReady;

        private bool _needExit;

        public GameStateStory(int storyId)
        {
            _storyConfig = TableManager.Instance.Tables.StoryMainConfig.Get(storyId);
        }

        public void OnEnter()
        {
            _needExit = false;
            _isReady = false;

            EventManager.Instance.Register(EventManager.EventName.STORY_CLICK_SKIP, _OnRecvExit);
            _AsyncAction();
        }

        private async void _AsyncAction()
        {

            await _LoadScene();

            // 设置阴影距离
            ShadowEx.SetShadowDistance(_storyConfig.ShadowDistance);
            StoryManager.instance.InitForGame();
            await UIManager.Instance.OpenWindow(UINameConst.UIStoryMain);

            _isReady = true;
        }

        private async UniTask _LoadScene()
        {
            var scenePath = _storyConfig.ScenePath;
            await GameSceneManager.Instance.LoadSceneAsync(scenePath);
        }

        public void OnUpdate(float deltaTime)
        {
            if (!_isReady) return;

            StoryManager.instance.LogicUpdate(deltaTime);

            // if (_needExit)
            // {
            //     GameStateManager.Instance.ChangeState(new GameStateMainScene());
            // }
        }

        private void _OnRecvExit()
        {
            _needExit = true;
            if(LevelManager.Instance.IsInLevel)
                LevelManager.Instance.TryExitLevel(true);
            else
                GameStateManager.Instance.ChangeState(new GameStateMainScene());
        }

        public void OnExit()
        {
            UIManager.Instance.CloseAllUI(UIWindowCloseType.HideAndDestroy);
            EventManager.Instance.Unregister(EventManager.EventName.STORY_CLICK_SKIP, _OnRecvExit);
            // TODO: 卸载场景
            StoryManager.instance.DisposeForGame();
        }
    }
}