using System;
using System.Collections;
using AibisDream.Framework;
using AibisDream.Kit;
using UnityEngine;
using Yarn.Unity;

namespace AibisDream
{
    public class GameLoopManager : Singleton<GameLoopManager>
    {
        private static readonly string TestSaveFilePath = Application.streamingAssetsPath + "/TestSaveFiles";

        #region 运行模式相关

        [Header("可用so合集")] public TalkSceneSO[] totalSceneSos;

        public RunMode runMode;

        [Header("生产环境数据（一般不动）")] public TalkSceneSO firstTalkSo;
        [Header("单场景测试")] public TalkSceneSO testTalkSo;
        [Header("存档测试")] public string saveFileName;

        #endregion

        private BindProperty<TalkSceneSO> _currentTalkSceneSo;

        private GameLoopData _data = new();

        public void Start()
        {
            // 先注册
            Register();
            // 加载其他部分
#if UNITY_EDITOR
            if (runMode == RunMode.SingleScene)
            {
                StartMenu.Instance.HideStartMenu();
                StartSingleSceneTest();
            }
            else if (runMode == RunMode.SaveFile)
            {
                // MainUIController.Instance.TVFadeOut(1);
                StartMenu.Instance.HideStartMenu();
                LoadSaveFile($"{TestSaveFilePath}/{saveFileName}");
            }
            else
            {
                StartCoroutine(LoadClinicOut());
            }
#else
            StartCoroutine(LoadClinicOut());
            runMode = RunMode.Product;
#endif
        }

        private void Register()
        {
            // 数据类注册
            StorageSystem.Instance.RegisterData(_data);
            // 场景So事件注册
            _currentTalkSceneSo = new BindProperty<TalkSceneSO>();
            _currentTalkSceneSo.Register(item => _data.curSceneSoName = item.name);
        }

        private IEnumerator LoadClinicOut()
        {
            yield return SceneLoader.Instance.LoadSceneAsync("ClinicOut");
            // FindObjectOfType<EnvironmentManager>().SetTimeOfDayCommand("day");
        }

        public void StartWithTalkSceneSO(TalkSceneSO sceneSO)
        {
            _currentTalkSceneSo.Value = sceneSO;
            StartCoroutine(LoadScene());
        }

        public void StartWithSaveFile(string saveFileName)
        {
            StartMenu.Instance.HideStartMenu();
            LoadSaveFile(saveFileName);
        }
        
        private void LoadSaveFile(string savePath)
        {
            StorageSystem.Instance.Load(savePath);
        }

        public void StartNewGame()
        {
            _currentTalkSceneSo.Value = firstTalkSo;
            StartCoroutine(LoadClinicScene());
        }

        private void StartSingleSceneTest()
        {
            _currentTalkSceneSo.Value = testTalkSo;
            StartCoroutine(LoadClinicScene());
        }

        private IEnumerator LoadClinicScene()
        {
            yield return SceneLoader.Instance.LoadSceneAsync(_currentTalkSceneSo.Value.firstSceneName);
            StartMenu.Instance.HideStartMenu();
            DialogController.Instance.StartDialog(_currentTalkSceneSo.Value.yarnProject);
        }

        private IEnumerator LoadScene()
        {
            yield return SceneLoader.Instance.LoadSceneAsync(_currentTalkSceneSo.Value.firstSceneName);
            StartMenu.Instance.HideStartMenu();
            DialogController.Instance.StartDialog(_currentTalkSceneSo.Value.yarnProject);
        }

        public IEnumerator NextSceneSo()
        {
            if (_currentTalkSceneSo.Value && _currentTalkSceneSo.Value.nextScene)
            {
                _currentTalkSceneSo.Value = _currentTalkSceneSo.Value.nextScene;
                yield return MainUIController.Instance.FadeInSync(1);
                yield return LoadClinicScene();
                // yield return MainUIController.Instance.FadeOutSync(1);
            }
            else
            {
                yield return null;
                Debug.Log("没有下个场景了");
            }
        }

        public void SetSceneSoByName(string soName)
        {
            _currentTalkSceneSo.Value = Array.Find(totalSceneSos, so => so.name == soName);
        }

        public void StartDialog()
        {
            DialogController.Instance.LoadDialog(_currentTalkSceneSo.Value.yarnProject);
        }

        #region 重新开始游戏功能

        /// <summary>
        /// 重新开始游戏，重新加载当前场景
        /// </summary>
        public void RestartGame()
        {
            // 确保场景正在加载或卸载前，先重置相关状态
            StartCoroutine(RestartGameCoroutine());
        }

        private IEnumerator RestartGameCoroutine()
        {
            yield return SceneLoader.Instance.UnloadSceneAsync();
            yield return MainUIController.Instance.FadeInSync(1);
            yield return LoadClinicOut();
            MainUIController.Instance.ShowMainUI();
            StartMenu.Instance.showStartMenu();
            StartMenu.Instance.HideEndMenu();
            yield return MainUIController.Instance.FadeOutSync(1);
        }

        #endregion
    }

    public enum RunMode
    {
        Product,
        SingleScene,
        SaveFile
    }

    public static class GameLoopYarnCommand
    {
        [YarnCommand("auto_save")]
        public static void AutoSave()
        {
            StorageSystem.Instance.Save();
        }
    }

    [Serializable]
    [LoadIndex(10)]
    public class GameLoopData : IData
    {
        public string curSceneSoName;

        public IEnumerator Load()
        {
            GameLoopManager.Instance.SetSceneSoByName(curSceneSoName);
            GameLoopManager.Instance.StartDialog();
            yield break;
        }
    }
}