using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.UIElements;
using Button = UnityEngine.UI.Button;
using Image = UnityEngine.UI.Image;
using Toggle = UnityEngine.UI.Toggle;
using Framework;
using Cysharp.Threading.Tasks;
using Gameplay;
using cfg.CharacterCfg;
using PhxhSDK;
using System.Threading.Tasks;
using UnityEngine.EventSystems;
using Gameplay.Performance;
using cfg.ActorCfg;
using Gameplay.Utils;
using UnityEngine.Playables;
using Gameplay.Net;
using static CriWare.CriAtomExBeatSync;
using Gameplay.Emoji;

public class SkinChangeController : UIWindow
{
	//UI GameObj
	///Auto Gen Start///
	public Image Image_BG;
	//public Button Button_Back;
	public Button Button_back;
	public TMP_Text Text_Back;
	public Button Button_Home;
	public Image Image_Dark;
	public Image Image_LeftBG;
	public Image Image_ModelPosition;
	public Image Image_Poster;
	public Image Image_PosterPreview;
	public Image Image_MidBG;
	public Button Button_ShowAllPic;
	public TMP_Text Text_Name;
	public TMP_Text Text_SkinName;
	public TMP_Text Text_Info;
	public TMP_Text Text_GetWay;
	public Button Button_Buy;
	public TMP_Text Text_Buy;
	public Button Button_Wear;
	public TMP_Text Text_Wear;

    public GameObject UpperUI;
    private RawImage rawImageGaussianBlurMask;
    ///Auto Gen End///
    private PinchZoomModule PinchZoom;
	private DragForUI Drag;
	private PhxhSDK.PhxhScrollView ScrollView;
	SkinScrollView skinScrollView = new SkinScrollView();
    GameObject _sampleModel;
    GameObject _instModel;

    private UnitEmojiManager _emojiManager;

    private bool isShowPosterPic = false;

	private CharacterDataInfo curCharacterInfo;
	private int curSelectSkinId;
    private int curUsingSkinId;
	List<DataCharacterSkin> characterSkinList;

    Dictionary<int, Sprite> posterLargePics = new();
    Dictionary<int, Sprite> posterHalfPics = new();

    PosterFader fader = new PosterFader();

    public static async UniTask<UIWindow> Open(CharacterDataInfo characterData)
    {
        CommonUtils.CaptureScreenshot();

		return await UIManager.Instance.CreateAndOpenWindow(UINameConst.UI_SkinChange, characterData);
    }

    // deal with input data
    public override void PreLoad(object data = null)
    {
        curCharacterInfo = data as CharacterDataInfo;
        curSelectSkinId = (int)curCharacterInfo.SkinID;// + 1;
        if(curSelectSkinId == 0)
        {
            DebugUtil.LogError("当前角色数据内皮肤ID为0，已设置为默认皮肤ID");
            curSelectSkinId = 1;
        }
        curUsingSkinId = curSelectSkinId;

		characterSkinList = CommonUtils.GetCharacterSkinCfgList((int)curCharacterInfo.ID);

        PreLoadSpritesAsync();
    }
    void refreshCharacterInfo()
    {
        curCharacterInfo = CharacterDataInfoManager.Instance.GetCharacterInfo(curCharacterInfo.ID);
        curSelectSkinId = (int)curCharacterInfo.SkinID;
        if (curSelectSkinId == 0)
        {
            DebugUtil.LogError("当前角色数据内皮肤ID为0，已设置为默认皮肤ID");
            curSelectSkinId = 1;
        }
        curUsingSkinId = curSelectSkinId;
    }

    async void PreLoadSpritesAsync()
    {
        foreach (var dataCharacter in characterSkinList)
        {
            string path = CommonUtils.GetCharacterPicPath((int)curCharacterInfo.ID, CommonUtils.ECharacterPicPathType.Poster, dataCharacter.SkinID);
            var sprite = await LoadAssetAsync<Sprite>(path);
            if (!posterLargePics.ContainsKey(dataCharacter.SkinID))
                posterLargePics.Add(dataCharacter.SkinID, sprite);
            else
                posterLargePics[dataCharacter.SkinID] = sprite;

            //TODO 目前半身图使用好感度图片路径
            path = CommonUtils.GetCharacterPicPath((int)curCharacterInfo.ID, CommonUtils.ECharacterPicPathType.Favorable, dataCharacter.SkinID);
            DebugUtil.Log("目前半身图暂用使用路径为：" + path + ",请待补充相关资源与更新配置表后在此处更新相关代码");
            var halfSprite = await LoadAssetAsync<Sprite>(path);
            if (!posterHalfPics.ContainsKey(dataCharacter.SkinID))
                posterHalfPics.Add(dataCharacter.SkinID, halfSprite);
            else
                posterHalfPics[dataCharacter.SkinID] = halfSprite;
        }
    }
    async void LoadModel()
    {
        //TODO 加载不同皮肤的模型的路径
        var prefabPath = PathEx.GetCharacterDisplayModelPath(curCharacterInfo.Cfg.NameID);
        _sampleModel = await LoadAssetAsync<GameObject>(prefabPath);

        GameObject model = Object.Instantiate(_sampleModel, Image_ModelPosition.transform, true);
        _instModel = model;
        model.transform.localPosition = new Vector3(0, -200, -300);
        model.transform.localRotation = new(0, 180, 0, 1);
        model.transform.localScale = 300 * Vector3.one;
        model.gameObject.SetLayerEx(5);
        var pd = model.GetComponentInChildren<PlayableDirector>();
        if (pd != null)
        {
            pd.enabled = false;
        }
        var animator = model.GetComponentInChildren<Animator>();
        if (animator != null)
        {
            animator.Play("standready001");
        }

        _InitEmoji();
    }
    private void _InitEmoji()
    {
        if (_emojiManager != null)
        {
            _emojiManager.Dispose();
            _emojiManager = null;
        }
        var charSingleData = curCharacterInfo.Cfg;
        _emojiManager = new UnitEmojiManager(_instModel, charSingleData.EmojiEyesColor,
            charSingleData.EmojiEyeBowsType, charSingleData.EmojiEyeBowsColor, true);
        _emojiManager.SwitchEmoji(charSingleData.DefaultDisplayEmojiId);
    }

    // Use this for initialization
    public override void OnInit()
	{
		//bind UI GameObj
		SkinChangeBinder.GetComponents(this);
        UpperUI = FindObj("Image_BG/UpperUI");

        rawImageGaussianBlurMask = GetComponent<RawImage>("GaussianBlurMask");
        rawImageGaussianBlurMask.texture = CommonUtils.screenTexture;

        Image_Poster.GetComponent<RectTransform>().sizeDelta = Vector2.zero;
        PinchZoom = GetComponent<PinchZoomModule>("Image_BG/Image_Poster");
		Drag = GetComponent<DragForUI>("Image_BG/Image_Poster");
        ScrollView = GetComponent<PhxhSDK.PhxhScrollView>("Image_BG/UpperUI/ChangeSkin/ScrollView");
		skinScrollView.SetScrollRect(ScrollView);

        skinScrollView.SetItemCountFunc(() => characterSkinList.Count + 2);//列表上下各加一个空白item作为padding
        skinScrollView.SetItemSizeFunc((index) => skinScrollView.GetItemSizeFromList(index));
        skinScrollView.SetUpdateFunc(_RefreshSkinItem);

        skinScrollView.InitItemCellList(characterSkinList.Count);

        BindButton(Button_ShowAllPic, OnShowPicButton);
		BindButton(Button_back, OnReturnButton);
        BindButton(Button_Wear, OnChangeSkinClick);

        LoadModel();

        Drag.OnDragStarted += OnDragBegin;
        Drag.OnDraging += OnDrag;
        Drag.OnDragCompleted += OnDragEnd;

        EventManager.Instance.Register(EventManager.EventName.CharacterInfoRefresh, CharacterInfoRefreshListener);
        _SetSkinPosYListData();
        skinScrollView.UpdateData();
        skinScrollView.ScrollTo(curSelectSkinId);
    }

    void CharacterInfoRefreshListener()
    {
        refreshCharacterInfo();
        SetSkinInfoAndButton();
    }

	//invoke when open window
	protected override void OnShowWindow(object data = null)
	{
        base.OnShowWindow(data);
		if (PinchZoom != null)
			PinchZoom.enabled = false;
		isShowPosterPic = false;


		SetSkinInfoAndButton();
        SetPosterSkinPic();

    }
	
	//invoke when reload window
	protected override void OnReloadWindow(object data = null)
	{
		
	}
	
	//invoke when close window
	protected override void OnHideWindow()
	{
        base.OnHideWindow();
        EventManager.Instance.Send(EventManager.EventName.EN_UIControllCultivateMainInput, true);
    }
	
	//invoke when destroy
	public override void OnRelease()
	{
	    base.OnRelease();
        EventManager.Instance.Unregister(EventManager.EventName.CharacterInfoRefresh, CharacterInfoRefreshListener);
    }
    #region Button Event
    void OnShowPicButton()
	{
		ShowAllPic(true);
	}
	void OnReturnButton()
	{
		if(isShowPosterPic)
		{
            ShowAllPic(false);
            SetSkinInfoAndButton();
        }
        else
		{
            CloseWindow();
        }
	}
    void _OnClickSkinItem(int to)
    {
        if (curSelectSkinId == to)
        {
            return;
        }
        int from = curSelectSkinId;
        curSelectSkinId = to;
        //_RefreshPosterButton();
        skinScrollView.DoTwoItemScale(to - 1, from - 1, skinScrollView.ItemFullRectTrans.rect.size, skinScrollView.ItemRectTrans.rect.size, 0.1f,
            () =>
            {
                _SetSkinPosYListData(false);
            }, () =>
            {
                skinScrollView.AnimScrollTo(to);
                SetSkinInfoAndButton();
            });
        fader.DoFade(Image_Poster, 0f, 0.12f, () =>
        {
            SetPosterSkinPic();
            fader.DoFade(Image_Poster, 1f, 0.12f);
        });
    }
    #endregion

    #region drag event
    float scaleFactor;
    void OnDragBegin(PointerEventData data)
    {
        if(!isShowPosterPic)
        {
            return;
        }
        scaleFactor = UIRoot.Instance.RootCanvas.GetComponent<RectTransform>().sizeDelta.x / PerformanceManager.instance.fullScreenWidth;
    }
    void OnDrag(PointerEventData data)
    {
        if(!isShowPosterPic)
        {
            return;
        }
        Drag.GetComponent<RectTransform>().anchoredPosition += data.delta * scaleFactor;
        //drag.transform.position = GoRoot.transform.position;
    }
    void OnDragEnd(PointerEventData data)
    {
        if (!isShowPosterPic)
        {
            return;
        }
    }
    #endregion
    private void _SetSkinPosYListData(bool setSize = true)
    {
        if (setSize)
        {
            for (int i = 0; i < characterSkinList.Count; i++)
            {
                Vector2 size = skinScrollView.SkinItemSize(i + 1, curSelectSkinId);
                skinScrollView._itemCells[i].size = size;
            }
        }

        var posY = -skinScrollView.SkinItemSize(-1, curSelectSkinId).y;
        for (int i = 0; i < characterSkinList.Count; i++)
        {
            Vector2 size = skinScrollView._itemCells[i].size;
            posY -= size.y / 2;
            skinScrollView._itemCells[i].localPosY = posY;
            posY -= size.y / 2;
        }
    }

    private async void _RefreshSkinItem(int index, RectTransform item)
    {
        if (index <= 0 || index >= characterSkinList.Count + 1)
        {
            item.gameObject.SetActive(false);
            return;
        }

        var go = item.gameObject;
        go.SetActive(true);

        var posterPic =
            CommonUtils.GetCharacterPicPath((int)curCharacterInfo.ID, CommonUtils.ECharacterPicPathType.Favorable, index);
        var imgSkin = CommonUtils.GetComponent<Image>(go, "ButtonChange/ImageSkin");
        var imgSelect = CommonUtils.GetGameObject(go, "ButtonChange/ImageChooseRect");
        var imgDoSelect = CommonUtils.GetGameObject(go, "ButtonChange/ImageCover");
        var btnChange = CommonUtils.GetComponent<Button>(go, "ButtonChange");
        var btnNotSelect = CommonUtils.GetComponent<Button>(go, "ButtonNotSelect");

        if (posterHalfPics.ContainsKey(index))
            imgSkin.sprite = posterHalfPics[index];
        else
            imgSkin.sprite = await LoadAssetAsync<Sprite>(posterPic);

        btnChange.gameObject.SetActive(true);
        btnNotSelect.gameObject.SetActive(false);
        imgSelect.SetActive(curSelectSkinId == index);
        imgDoSelect.SetActive(curSelectSkinId != index);
        ClearBind(btnChange);
        ClearBind(btnNotSelect);
        BindButton(btnChange, _OnClickSkinItem, index);

        btnChange.GetComponent<RectTransform>().sizeDelta = skinScrollView.GetItemSizeFromList(index);
    }

    void ShowAllPic(bool showPic)
    {
        var UI_HIDE_POSITION = new Vector3(0, -1800, 0);
        isShowPosterPic = showPic;
        PinchZoom.enabled = showPic;

        UpperUI.transform.localPosition = showPic ? UI_HIDE_POSITION : Vector3.zero;
        Image_LeftBG.gameObject.SetActive(!showPic);


        if (!showPic)
        {
            if (curSelectSkinId == 1)
                Image_Poster.transform.position = Image_PosterPreview.transform.position;
            else
                Image_Poster.transform.localPosition = Vector3.zero;
            Image_Poster.transform.localScale = Image_PosterPreview.transform.localScale;
            var animator = _instModel.GetComponentInChildren<Animator>();
            if (animator != null)
            {
                animator.Play("standready001");
            }
        }
    }

    async void SetPosterSkinPic()
    {
        if (posterLargePics.ContainsKey(curSelectSkinId))
        {
            Image_Poster.sprite = posterLargePics[curSelectSkinId];
        }
        else
        {
            var posterPic =
                    CommonUtils.GetCharacterPicPath((int)curCharacterInfo.ID, CommonUtils.ECharacterPicPathType.Poster, curSelectSkinId);

            Image_Poster.sprite = await LoadAssetAsync<Sprite>(posterPic);
        }
        //TODO 尺寸调整
        if (curSelectSkinId != 1)
        {
            Image_Poster.transform.localPosition = Vector3.zero;
            Image_Poster.SetNativeSize();
            if (Image_Poster.sprite.rect.width >= Image_Poster.sprite.rect.height)
            {
                Image_Poster.GetComponent<RectTransform>().sizeDelta = new Vector2(1800, 1800 * Image_Poster.sprite.rect.height / Image_Poster.sprite.rect.width);
            }
            else
            {
                Image_Poster.GetComponent<RectTransform>().sizeDelta = new Vector2(1080 * Image_Poster.sprite.rect.width / Image_Poster.sprite.rect.height, 1080);
            }
        }
        else
        {
            Image_Poster.transform.position = Image_PosterPreview.transform.position;
            Image_Poster.GetComponent<RectTransform>().sizeDelta = Image_PosterPreview.GetComponent<RectTransform>().sizeDelta;
        }
        return;
    }

    /// <summary>
    /// 设置皮肤文本内容与按钮状态
    /// </summary>
	void SetSkinInfoAndButton()
    {
        if (curSelectSkinId == 0)
        {
            return;
        }
        var skinCfg = characterSkinList[curSelectSkinId - 1];
        if (CategoryManager.Instance.TryGetSkinItemInfo((int)curCharacterInfo.ID, curSelectSkinId, out DataItem info))//物品皮肤
        {
            if (CategoryManager.Instance.GetItemCount(info.ID) > 0 || curSelectSkinId == 1)//拥有皮肤
            {
                Button_Buy.gameObject.SetActive(false);
                Button_Wear.gameObject.SetActive(true);
                Text_GetWay.text = string.Empty;
            }
            else
            {
                Button_Buy.gameObject.SetActive(true);
                Button_Buy.transition = Selectable.Transition.None;
                Button_Buy.interactable = false;
                Button_Wear.gameObject.SetActive(false);
                Text_GetWay.text = CommonUtils.GetLocalizeText(skinCfg.AcquireCondition);
                Text_Buy.text = CommonUtils.GetLocalizeText("SkinInfo_PanelLocalText_Locked");
            }
        }
        else
        {
            Button_Buy.gameObject.SetActive(false);
            Button_Wear.gameObject.SetActive(true);
            Text_GetWay.text = string.Empty;

            //if (curSelectSkinId != 1)
            //{
                DebugUtil.LogError("这个皮肤在Item配置表内并未配置为皮肤物品，请检查！\n角色ID：" + curCharacterInfo.ID + " 皮肤ID：" + curSelectSkinId);
            //}
        }
        if (curUsingSkinId == curSelectSkinId)
        {
            Button_Wear.interactable = false;
            Text_Wear.text = CommonUtils.GetLocalizeText("SkinInfo_PanelLocalText_Wearing");
        }
        else
        {
            Button_Wear.interactable = true;
            Text_Wear.text = CommonUtils.GetLocalizeText("SkinInfo_PanelLocalText_DoWear");
        }
        Text_Name.text = CommonUtils.GetLocalizeText(curCharacterInfo.Name);
        Text_SkinName.text = CommonUtils.GetLocalizeText(skinCfg.SkinName);
        Text_Info.text = CommonUtils.GetLocalizeText(skinCfg.SkinDesc);
    }

    void OnChangeSkinClick()
    {
        if (CategoryManager.Instance.TryGetSkinItemInfo((int)curCharacterInfo.ID, curSelectSkinId, out DataItem info))
        {
            NetHelper.UseItem((uint)info.ID, 1);
        }
        else
        {
            DebugUtil.LogError("这个皮肤在Item配置表内并未配置为皮肤物品，请检查！\n角色ID：" + curCharacterInfo.ID + " 皮肤ID：" + curSelectSkinId);
        }
    }

	class SkinScrollView : IPanelScrollView
	{
        public override void SetScrollRect(PhxhScrollView scrollRect)
        {
            centerAnchor = true;
            canDrag = false;
            Self_aligning = false;
            base.SetScrollRect(scrollRect);
            SetItemRectTrans(CommonUtils.GetComponent<RectTransform>(_scrollRect.itemTemplate.gameObject, "ButtonNotSelect"),
                CommonUtils.GetComponent<RectTransform>(_scrollRect.itemTemplate.gameObject, "ButtonChange"));

            SetPaddingSize(_itemRectTrans.rect.size);
        }
        public Vector2 SkinItemSize(int index, int curIndex)
        {
            if (index == 0 || index == _itemCells.Count + 1)
            {
                return _itemRectTrans.rect.size;
            }

            if (index == curIndex)
            {
                return _itemFullRectTrans.rect.size;
            }
            else
            {
                return _itemRectTrans.rect.size;
            }
        }
        /// <summary>
        /// 注意操作完请调用_SetSkinPosYListData
        /// </summary>
        /// <param name="count"></param>
        public void InitItemCellList(int count)
        {
            _itemCells.Clear();
            for (int i = 1; i <= count; i++)
            {
                UIScrollViewItemCell cell = new UIScrollViewItemCell();
                cell.index = i;
                _itemCells.Add(cell);
            }
        }
        /// <summary>
        /// 这个函数用于缓动动画动态的设置需要缩放的item的大小
        /// </summary>
        /// <param name="index"></param>
        /// <returns></returns>
        public Vector2 GetItemSizeFromList(int index)
        {
            if (index > _itemCells.Count + 1)
            {
                DebugUtil.Log("index out of range!index: " + index);
                return _itemFullRectTrans.rect.size;
            }
            if (index == 0 || index == _itemCells.Count + 1)
            {
                return _itemFullRectTrans.rect.size;
            }
            else
            {
                return _itemCells[index - 1].size;
            }
        }
    }
}