using System.Collections;
using System.Collections.Generic;
using System.Threading;
using cfg.LevelCfg;
using Cysharp.Threading.Tasks;
using Gameplay.Level;
using Gameplay.Net;
using LC.Google.Protobuf.WellKnownTypes;
using PhxhSDK;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;
using UnityEngine.UIElements;
using Utils;
using Button = UnityEngine.UI.Button;
using Enum = Google.Protobuf.WellKnownTypes.Enum;
using Image = UnityEngine.UI.Image;
using ScrollView = AillieoUtils.ScrollView;

public class UI_LevelSelectController : UIWindow
{
    //UI GameObj
    ///Auto Gen Start///
    public Button Button_Back;

    public TMP_Text Text_Back;
    public Button Button_Home;
    public Button Button_MainLevel;
    public TMP_Text Text_MainLevel;
    public TMP_Text Text_MainLevelNum;
    public TMP_Text Text_MainLevelName;
    public Image Image_MainlevelLogo;
    public Image Image_BlackBar;
    public TMP_Text Text_MainLevelProcess;
    public Button Button_BranchLevel;
    public Button Button_DungeonlEVEL;
    public Image Image_ChapterBG;
    public Image Image_LevelBG;
    public Image Image_LevelTitle;
    public TMP_Text Text_ChapterNum;
    public TMP_Text Text_ChapterName;
    public Image Image_ProcessBG;
    public Image Image_LevelProcess;
    public Image Image_ProcessBar;
    public TMP_Text Text_StarNum;
    public Image Image_SelectBG;
    public Button Button_Plot;
    public TMP_Text Text_Read;
    public Button Button_Easy;
    public TMP_Text Text_Simple;
    public Button Button_Hard;
    public TMP_Text Text_Hard;
    public Image Image_WhiteRect;
    [FormerlySerializedAs("Image_Read")] public Image Image_Plot;
    [FormerlySerializedAs("Image_Simple")] public Image Image_Easy;
    public Image Image_RedRect;
    public Image Image_Hard;

    ///Auto Gen End///
    private enum PageType
    {
        Mode = 1,
        LevelGroup = 2,
        Level = 3,
    }

    private PageType _currPage = PageType.Mode;
    private LevelGroupType _currGroupType;
    private LevelGroupInfo _currLevelGroupInfo;
    private ChapterInfo _currEasyChapterInfo;
    private ChapterInfo _currHardChapterInfo;
    private ChapterInfo _currPlotChapterInfo;
    private ChapterInfo _currChapterInfo;
    private LevelInfo _currSelectLevelInfo;
    private List<LevelGroupInfo> _showLevelGroupInfoList = new();
    private List<LevelInfo> _showLevelInfoList = new();

    private RectTransform UI_ModeChoose;
    private RectTransform UI_LevelGroupChoose;
    private RectTransform UI_LevelChoose;
    private RectTransform _modeParent;
    private ScrollView _levelGroupScrollView;
    private ScrollView _levelScrollView;
    private RectTransform _starRewardsParent;

    private const string STAR_REWARD_PREFAB_PATH = "Assets/Art/UI/Prefab/LevelSelect/Button_StarReward.prefab";
    private List<GameObject> _starRewardPool = new();
    private List<GameObject> _showStarReward = new();

    private float _totalMoveTime = 1f;
    private CancellationTokenSource _cts;

    public override void OnAwake()
    {
        //bind UI GameObj
        UI_LevelSelectBinder.GetComponents(this);
        BindProperty();
        BindEvent();
        RegisterSignal();
    }

    private void BindProperty()
    {
        UI_ModeChoose = transform.Find("UI_ModeChoose") as RectTransform;
        UI_LevelGroupChoose = transform.Find("UI_LevelGroupChoose") as RectTransform;
        UI_LevelChoose = transform.Find("UI_LevelChoose") as RectTransform;
        _modeParent = UI_ModeChoose.Find("Scroll View/Viewport/Content") as RectTransform;
        _levelGroupScrollView = UI_LevelGroupChoose.Find("Image_ChapterBG/Scroll View").GetComponent<ScrollView>();
        _levelScrollView = UI_LevelChoose.Find("Image_LevelBG/Scroll View").GetComponent<ScrollView>();
        _starRewardsParent = Image_LevelProcess.transform.Find("StarRewardProgress/starRewards") as RectTransform;

        _levelGroupScrollView.SetUpdateFunc(OnRenderLevelGroup);
        _levelGroupScrollView.SetItemCountFunc(GetLevelGroupCount);
        _levelGroupScrollView.SetButton(SetOnLevelGroupClick);

        _levelScrollView.SetUpdateFunc(OnRenderLevelInfo);
        _levelScrollView.SetItemCountFunc(GetLevelCount);
        _levelScrollView.SetButton(SetOnLevelClick);
    }

    private void BindEvent()
    {
        BindButton("UI_Topbtn/Button_Back", OnClickBack);
        BindButton("UI_Topbtn/Button_Home", OnClickHome);
        BindButton("UI_LevelChoose/Image_ProcessBG/Image_SelectBG/Button_Easy", OnClickEasy);
        BindButton("UI_LevelChoose/Image_ProcessBG/Image_SelectBG/Button_Hard", OnClickHard);
        BindButton("UI_LevelChoose/Image_ProcessBG/Image_SelectBG/Button_Plot", OnClickPlot);
        var modeButtonCount = _modeParent.childCount;
        for (int i = 0; i < modeButtonCount; i++)
        {
            var modeButton = _modeParent.GetChild(i).GetComponent<Button>();
            modeButton.onClick.RemoveAllListeners();
            var index = i;
            modeButton.onClick.AddListener(() =>
            {
                var levelGroupType = (LevelGroupType)index;
                EnterSelectLevelGroup(levelGroupType);
            });
        }
    }

    private void RegisterSignal()
    {
    }

    private void UnRegisterSignal()
    {
    }

    private void Refresh()
    {
        RefreshPage();
        switch (_currPage)
        {
            case PageType.Mode:
                RefreshMode();
                break;
            case PageType.LevelGroup:
                RefreshLevelGroup();
                break;
            case PageType.Level:
                RefreshLevel();
                break;
        }
    }

    //将当前UI看成是三个页面，选模式，选关卡组，选关
    private void RefreshPage()
    {
        UI_ModeChoose.gameObject.SetActive(_currPage == PageType.Mode);
        UI_LevelGroupChoose.gameObject.SetActive(_currPage == PageType.LevelGroup);
        UI_LevelChoose.gameObject.SetActive(_currPage == PageType.Level);
    }

    private void RefreshMode()
    {
    }

    private void RefreshLevelGroup()
    {
        RefreshLevelGroupToShow();
        _levelGroupScrollView.UpdateData(true);
    }

    private void RefreshLevelGroupToShow()
    {
        _showLevelGroupInfoList.Clear();
        var allLevelGroup = LevelManager.Instance.GetAllLevelGroupInfo();
        foreach (var levelGroupInfo in allLevelGroup)
        {
            if (levelGroupInfo.GroupType == _currGroupType && !levelGroupInfo.IsLock)
            {
                _showLevelGroupInfoList.Add(levelGroupInfo);
            }
        }

        _showLevelGroupInfoList.Sort((a, b) => { return a.Index.CompareTo(b.Index); });
    }

    private void RefreshLevel()
    {
        RefreshLevelToShow();
        _levelScrollView.UpdateData(true);
    }

    private void RefreshLevelToShow()
    {
        _showLevelInfoList.Clear();
        foreach (LevelInfo levelInfo in _currChapterInfo)
        {
            if (!levelInfo.Lock)
                _showLevelInfoList.Add(levelInfo);
        }

        _showLevelInfoList.Sort((a, b) => a.Index.CompareTo(b.Index));
    }

    private void EnterSelectLevelGroup(LevelGroupType type)
    {
        _currGroupType = type;
        _currPage = PageType.LevelGroup;
        Refresh();
    }

    private void ExitSelectLevelGroup()
    {
        _currPage = PageType.Mode;
        Refresh();
    }

    private void EnterSelectLevel(LevelGroupInfo levelGroupInfo)
    {
        _currLevelGroupInfo = levelGroupInfo;
        _currPage = PageType.Level;
        var defaultChapter = InitChapter();
        if (defaultChapter != null)
            ChangeChapter(defaultChapter);
    }

    private void ExitSelectLevel()
    {
        _currLevelGroupInfo = null;
        _currEasyChapterInfo = null;
        _currHardChapterInfo = null;
        _currPlotChapterInfo = null;
        _currChapterInfo = null;
        _currSelectLevelInfo = null;
        _currPage = PageType.LevelGroup;
        Refresh();
    }

    private ChapterInfo InitChapter()
    {
        _currEasyChapterInfo = _currLevelGroupInfo.EasyChapter;
        _currHardChapterInfo = _currLevelGroupInfo.HardChapter;
        _currPlotChapterInfo = _currLevelGroupInfo.PlotChapter;

        Button_Easy.interactable = IsChapterValid(_currEasyChapterInfo);
        Button_Hard.interactable = IsChapterValid(_currHardChapterInfo);
        Button_Plot.interactable = IsChapterValid(_currPlotChapterInfo);

        var result =
            IsChapterValid(_currEasyChapterInfo) ? _currEasyChapterInfo :
            IsChapterValid(_currHardChapterInfo) ? _currHardChapterInfo : _currPlotChapterInfo;
        return result;
    }

    private bool IsChapterValid(ChapterInfo chapter)
    {
        return chapter != null && !chapter.IsLock;
    }

    private async void ChangeChapter(ChapterInfo currChapterInfo)
    {
        if (_currChapterInfo == currChapterInfo)
            return;
        _currChapterInfo = currChapterInfo;
        Image_Plot.gameObject.SetActive(currChapterInfo == _currPlotChapterInfo);
        Image_Easy.gameObject.SetActive(currChapterInfo == _currEasyChapterInfo);
        Image_Hard.gameObject.SetActive(currChapterInfo == _currHardChapterInfo);
        ReturnAllStarReward();
        int maxTarget = currChapterInfo.StarList[^1];
        var progressLength = _starRewardsParent.rect.width;
        var currStarCount = currChapterInfo.StarCount;
        for (int i = 0; i < currChapterInfo.StarList.Length; i++)
        {
            var target = currChapterInfo.StarList[i];
            var starReward = await GetAStarReward();
            var button = starReward.GetComponent<Button>();
            button.onClick.RemoveAllListeners();
            if (currStarCount >= target)
            {
                button.enabled = true;
                var index = i;
                button.onClick.AddListener(() => { OnClickStarReward(index); });
            }
            else
                button.enabled = false;
            _showStarReward.Add(starReward);
            var targetText = starReward.transform.Find("target_green").GetComponent<TMP_Text>();
            var targetWhiteText = starReward.transform.Find("target_white").GetComponent<TMP_Text>();
            targetText.text = target.ToString();
            targetWhiteText.text = target.ToString();
            var x = ((float)target / maxTarget) * progressLength;
            var rectTrans = starReward.transform as RectTransform;
            rectTrans.anchoredPosition = new Vector2(x, rectTrans.anchoredPosition.y);
            SetStarRewardEnable(starReward, false);
        }
        
        var ratio = (float)currStarCount / maxTarget;
        Text_StarNum.text = currStarCount.ToString();
        _cts?.Cancel();
        _cts?.Dispose();
        _cts = new CancellationTokenSource();
        PlayProgressAnimation(ratio, progressLength, _cts.Token);
        Refresh();
    }

    private void SetStarRewardEnable(GameObject starReward, bool isEnable)
    {
        var starRewardGreen = starReward.transform.Find("starReward_green").gameObject;
        var starReward_white = starReward.transform.Find("starReward_white").gameObject;
        var star_green = starReward.transform.Find("star_green").gameObject;
        var star_white = starReward.transform.Find("star_white").gameObject;
        var target_green = starReward.transform.Find("target_green").gameObject;
        var target_white = starReward.transform.Find("target_white").gameObject;

        starRewardGreen.SetActive(isEnable);
        starReward_white.SetActive(!isEnable);
        star_green.SetActive(isEnable);
        star_white.SetActive(!isEnable);
        target_green.SetActive(isEnable);
        target_white.SetActive(!isEnable);
    }

    private async void PlayProgressAnimation(float ratio, float progressLength, CancellationToken token)
    {
        var currMoveTime = 0f;
        var rewardTList = new List<float>();
        var maxStarCount = _currChapterInfo.StarList[^1];
        foreach (var starCount in _currChapterInfo.StarList)
        {
            var t = (float)starCount / maxStarCount;
            rewardTList.Add(t);
        }

        var currStarIndex = 0;
        while (currMoveTime < ratio * _totalMoveTime)
        {
            currMoveTime += Time.deltaTime;
            var t = currMoveTime / _totalMoveTime;
            var x = Mathf.Min(progressLength * ratio, progressLength * t);
            Image_ProcessBar.rectTransform.anchoredPosition =
                new Vector2(x, Image_ProcessBar.rectTransform.anchoredPosition.y);
            if (t >= rewardTList[0])
            {
                rewardTList.RemoveAt(0);
                SetStarRewardEnable(_showStarReward[currStarIndex], true);
                currStarIndex++;
            }


            var isCanceled = await UniTask.DelayFrame(1, PlayerLoopTiming.Update, token).SuppressCancellationThrow();
            if (isCanceled)
                return;
        }
    }

    private async UniTask<GameObject> GetAStarReward()
    {
        GameObject result = null;
        if (_starRewardPool.Count > 0)
        {
            result = _starRewardPool[^1];
            _starRewardPool.RemoveAt(_starRewardPool.Count - 1);
        }
        else
        {
            var prefab = await AssetManager.Instance.LoadAssetAsync<GameObject>(STAR_REWARD_PREFAB_PATH);
            if (prefab == null)
            {
                return null;
            }

            GameObject go = Instantiate(prefab, _starRewardsParent.transform);
            result = go;
        }

        result.SetActive(true);
        return result;
    }

    private void ReturnAllStarReward()
    {
        foreach (var go in _showStarReward)
        {
            go.SetActive(false);
            _starRewardPool.Add(go);
        }

        _showStarReward.Clear();
    }

    private void ShowLevelDetail()
    {
        if (_currSelectLevelInfo == null)
            return;
        UIManager.Instance.OpenWindow(UINameConst.UI_BeforeFight, _currSelectLevelInfo.ID);
        //LevelManager.Instance.TryEnterLevel(_currSelectLevelInfo.ID, CloseSelf);
    }

    private int GetLevelGroupCount()
    {
        return _showLevelGroupInfoList.Count;
    }

    private void OnRenderLevelGroup(int index, RectTransform item)
    {
        if (index >= _showLevelGroupInfoList.Count || index < 0)
        {
            DebugUtil.LogError($"index out of range,index:{index}");
            return;
        }

        var levelGroupInfo = _showLevelGroupInfoList[index];
        var Text_ChapterNum = item.Find("Text_ChapterNum").GetComponent<TMP_Text>();
        var Text_ChapterName = item.Find("Text_ChapterName").GetComponent<TMP_Text>();
        var Image_ProcessBarEasy = item.Find("UI_Easy/Image_ProcessBarEasy").GetComponent<Image>();
        var Text_EasyStarNow = item.Find("UI_Easy/Text_EasyStarNow").GetComponent<TMP_Text>();
        var Text_EasyStarMax = item.Find("UI_Easy/Text_EasyStarMax").GetComponent<TMP_Text>();
        var Image_ProcessBarHard = item.Find("UI_Hard/Image_ProcessBarHard").GetComponent<Image>();
        var Text_HardStarNow = item.Find("UI_Hard/Text_HardStarNow").GetComponent<TMP_Text>();
        var Text_HardStarMax = item.Find("UI_Hard/Text_HardStarMax").GetComponent<TMP_Text>();

        Text_ChapterNum.text = string.Format("{0:D2}", levelGroupInfo.Index);
        Text_ChapterName.text = levelGroupInfo.Name;

        var starCountEasy = levelGroupInfo.EasyChapter?.StarCount ?? 0;
        var starMaxEasy = levelGroupInfo.EasyChapter?.StarMax ?? 0;
        Image_ProcessBarEasy.fillAmount = (float)starCountEasy / starMaxEasy;
        Text_EasyStarNow.text = starCountEasy.ToString();
        Text_EasyStarMax.text = starMaxEasy.ToString();

        var starCountHard = levelGroupInfo.HardChapter?.StarCount ?? 0;
        var starMaxHard = levelGroupInfo.HardChapter?.StarMax ?? 0;
        Image_ProcessBarHard.fillAmount = (float)starCountHard / starMaxHard;
        Text_HardStarNow.text = starCountHard.ToString();
        Text_HardStarMax.text = starMaxHard.ToString();
    }

    private void SetOnLevelGroupClick(GameObject obj)
    {
        var index = CommonUtils.GetTransformIndex(obj.transform);
        if (index >= _showLevelGroupInfoList.Count || index < 0)
        {
            DebugUtil.LogError($"index out of range,index:{index}");
            return;
        }

        BindButton(obj, () =>
        {
            var selectedLevelGroup = _showLevelGroupInfoList[index];
            EnterSelectLevel(selectedLevelGroup);
            Refresh();
        });
    }

    private int GetLevelCount()
    {
        return _showLevelInfoList.Count;
    }

    private async void OnRenderLevelInfo(int index, RectTransform item)
    {
        if (index < 0 || index >= _showLevelInfoList.Count)
        {
            DebugUtil.LogError("index out of range,index:{0}", index);
            return;
        }

        var levelInfo = _showLevelInfoList[index];
        var Text_LevelNum = item.Find("Text_LevelNum").GetComponent<TMP_Text>();
        var Text_LevelName = item.Find("Text_LevelName").GetComponent<TMP_Text>();
        var Image_Star01 = item.Find("LevelStar/Image_Star01").gameObject;
        var Image_Star02 = item.Find("LevelStar/Image_Star02").gameObject;
        var Image_Star03 = item.Find("LevelStar/Image_Star03").gameObject;
        var Image_environment = item.Find("MapLogo/Image_environment").GetComponent<Image>();
        var Image_weather = item.Find("MapLogo/Image_weather").GetComponent<Image>();
        var Image_daynight = item.Find("MapLogo/Image_daynight").GetComponent<Image>();

        Text_LevelNum.text = $"{_currLevelGroupInfo.Index:D2}-{levelInfo.Index:D2}";
        Text_LevelName.text = levelInfo.Name;
        var starCount = levelInfo.StarCount;
        Image_Star01.SetActive(starCount >= 1);
        Image_Star02.SetActive(starCount >= 2);
        Image_Star03.SetActive(starCount >= 3);
        Image_environment.sprite = await CommonUtils.GetEnvironmentIcon(levelInfo.EnvironmentType);
        Image_weather.sprite = await CommonUtils.GetWeatherIcon(levelInfo.WeatherType);
        Image_daynight.sprite = await CommonUtils.GetDayNightIcon(levelInfo.DayNightType);
    }

    private void SetOnLevelClick(GameObject go)
    {
        var index = CommonUtils.GetTransformIndex(go.transform);
        if (index >= _showLevelInfoList.Count || index < 0)
        {
            DebugUtil.LogError("index out of range!,{0}", index);
        }

        BindButton(go, () =>
        {
            var levelInfo = _showLevelInfoList[index];
            if (levelInfo != null)
            {
                _currSelectLevelInfo = levelInfo;
                ShowLevelDetail();
            }
        });
    }

    #region Event

    private void OnClickBack()
    {
        switch (_currPage)
        {
            case PageType.Mode:
                CloseSelf();
                break;
            case PageType.LevelGroup:
                ExitSelectLevelGroup();
                break;
            case PageType.Level:
                ExitSelectLevel();
                break;
        }
    }

    private void OnClickHome()
    {
        CloseSelf();
    }

    private void OnClickEasy()
    {
        if (_currEasyChapterInfo != null)
            ChangeChapter(_currEasyChapterInfo);
    }

    private void OnClickHard()
    {
        if (_currHardChapterInfo != null)
            ChangeChapter(_currHardChapterInfo);
    }

    private void OnClickPlot()
    {
        if (_currPlotChapterInfo != null)
            ChangeChapter(_currPlotChapterInfo);
    }

    private void OnClickStarReward(int index)
    {
        NetHelper.ChapterReward((uint)_currChapterInfo.ID, (uint)index);
    }

    #endregion Event

    #region override method

    protected override void OnOpenWindow()
    {
        Refresh();
    }

    //invoke when open window
    protected override void OnOpenWindow(object data = null)
    {
        Refresh();
    }

    //invoke when reload window
    protected override void OnReloadWindow(object data = null)
    {
        Refresh();
    }

    //invoke when close window
    protected override void OnCloseWindow(bool destroy = false)
    {
        UnRegisterSignal();
        _currPage = PageType.Mode;
        _cts?.Cancel();
        _cts?.Dispose();
    }

    #endregion
}