//using BeinLab.Util;
using DG.Tweening;
using ShadowStudio.Tool;
using System;
using UnityEngine;
using XRTool.Util;

namespace XRTool.WorldUI
{
    public struct DlgRect
    {
        public Vector3 upLeft;
        public Vector3 upRight;
        public Vector3 downLeft;
        public Vector3 downRight;
        public Vector3[] points;
        public void CombinePoints()
        {
            if (points == null)
            {
                points = new Vector3[4];
            }
            points[0] = upRight;
            points[1] = upLeft;
            points[2] = downLeft;
            points[3] = downRight;
        }
    }
    public enum ContainerState
    {
        /// <summary>
        /// 自由状态
        /// </summary>
        Free = 0,
        /// <summary>
        /// 稳定与黑板状态
        /// </summary>
        OnBoard = 1,
        /// <summary>
        /// 自由移动状态
        /// </summary>
        FreeMove = 2,
        /// <summary>
        /// 在黑板中移动状态
        /// </summary>
        BoardMove = 3
    }
    /// <summary>
    /// 世界UI对话框
    /// </summary>
    public class WorldDlg : MonoBehaviour
    {

        private RectTransform dlgTrans;
        private RectTransform root;
        private RectTransform dlgRoot;
        private RectTransform fullUIRoot;
        private RectTransform container;
        private XRImage bG;
        private TransferCell transfer;
        public Vector2 dragOffset = Vector2.zero;
        private BoxCollider boxCollider;
        //[HideInInspector]
        public ContainerState containerState = ContainerState.Free;
        public bool isAddBgCollider = true;
        /// <summary>
        /// 是否可编辑姿态（位置，角度，比例）
        /// 可编辑状态时，取消面部锁定，编辑完成后，设置为世界锁定
        /// </summary>
        private bool isDragEnable;
        /// <summary>
        /// 是否面部锁定
        /// 如果面部锁定，代表自动跟随头部进行位移
        /// </summary>
        private bool isFaceLock;

        [HideInInspector]
        public bool isShowTitle;
        private XRImage xRTitle;
        [HideInInspector]
        public float titleDis = 10f;
        private Vector3 scaleDefault;
        private DlgRect dlgRect = new DlgRect();
        /// <summary>
        /// UI的缩放比例
        /// </summary>
        public const float UIScale = 3;
        public const float UIDistance = -0.003f;
        private Ease activeType = Ease.Linear;

        //public Effect effectType = Effect.None;
        public event Action<ContainerState> OnChangeContainerState;
        private bool isFristEnable = true;
        [HideInInspector]
        public bool isOnBoard;
        public bool isShowEffect = true;
        public bool isDisCollider = true;
        public bool IsDragEnable
        {
            get => isDragEnable;
            set
            {
                isDragEnable = value;
                if (isDragEnable)
                {
                    ActiveDragDlg();
                }
                else
                {
                    DisActiveDragDlg();
                }
            }
        }

        public bool IsFaceLock
        {
            get => isFaceLock;
            set
            {
                isFaceLock = value;
                if (isFaceLock)
                {
                    LockDlg();
                }
                else
                {
                    UnLockDlg();
                }
            }
        }

        public RectTransform DlgTrans
        {
            get
            {
                if (dlgTrans == null)
                {
                    return dlgTrans = GetComponent<RectTransform>();
                }
                return dlgTrans;
            }
        }

        public void ResetScale()
        {

        }

        public RectTransform Root
        {
            get
            {
                if (root == null)
                {
                    return root = GetChild<RectTransform>("UIRoot");
                }
                return root;
            }
        }
        public XRImage BG
        {
            get
            {
                if (bG == null)
                {
                    return bG = GetChild<XRImage>("BG");
                }
                return bG;
            }
        }

        public XRImage XRTitle
        {
            get
            {
                if (!xRTitle)
                {
                    xRTitle = GetBreadthChild<XRImage>("XRTitle");
                }
                return xRTitle;
            }
            set => xRTitle = value;
        }

        public RectTransform FullUIRoot
        {
            get
            {
                if (!fullUIRoot)
                {
                    fullUIRoot = GetChild<RectTransform>("FullUIRoot");
                }
                return fullUIRoot;
            }
            set => fullUIRoot = value;
        }
        /// <summary>
        /// 转换
        /// </summary>
        public TransferCell Transfer
        {
            get
            {
                if (!transfer)
                {
                    transfer = GetComponent<TransferCell>();
                }
                return transfer;
            }
        }

        public ContainerState ContainerState
        {
            get => containerState;
            set
            {
                if (containerState != value)
                {
                    containerState = value;
                    OnChangeContainerState?.Invoke(value);
                }
            }
        }

        private void Start()
        {
            if (isFristEnable && isShowEffect)
            {
                TimerMgr.Instance.CreateTimer(() =>
                {
                    //showDlg();
                    isFristEnable = false;
                    if (Transfer && Transfer.BoundBox && Transfer.BoundBox.BoundBoxCollider)
                    {
                        Transfer.BoundBox.BoundBoxCollider.enabled = !isDisCollider;
                    }
                }, 0.02f);
            }
            //RefreshBounds();
        }
        private void Awake()
        {
            scaleDefault = transform.localScale;
            if (isShowEffect)
            {
                transform.localScale = new Vector3(0, 0, 0);
                // this.gameObject.SetActive(false);
            }
        }

        //private void OnEnable()
        //{
        //    if (!isFristEnable)
        //    {
        //        ShowActiveEffect();
        //    }
        //}

        //public void showDlg(Action action = null)
        //{
        //    ShowActiveEffect(action);
        //    this.gameObject.SetActive(true);
        //}

        //public void hideDlg(Action action = null)
        //{
        //    switch (effectType)
        //    {
        //        case Effect.None:
        //            transform.localScale = scaleDefault;
        //            if (action != null)
        //                action.Invoke();
        //            break;
        //        case Effect.Normal:
        //            hideNormalEffect(action);
        //            break;
        //        case Effect.NormalY:
        //            hideNormalYEffect(action);
        //            break;
        //        case Effect.RotateX:
        //            hideRotateXEffect(action);
        //            break;
        //    }
        //}


        //void ShowActiveEffect(Action action = null)
        //{
        //    switch (effectType)
        //    {
        //        case Effect.None:
        //            transform.localScale = scaleDefault;
        //            break;
        //        case Effect.Normal:
        //            showNormalEffect(action);
        //            break;
        //        case Effect.NormalY:
        //            showNormalYEffect(action);
        //            break;
        //        case Effect.RotateX:
        //            showRotateXEffect(action);
        //            break;
        //    }
        //}

        void showRotateXEffect(Action action = null)
        {
            Ease ease = Ease.OutBack;
            if (scaleDefault != Vector3.zero)
            {
                transform.DOKill();
                transform.localScale = scaleDefault;
                Vector3 pos = transform.localPosition;
                transform.localPosition = new Vector3(GSXRManager.Instance.head.position.x, GSXRManager.Instance.head.position.y - 0.5f, GSXRManager.Instance.head.position.z);
                float activeTime = 0.6f;
                Vector3 qa = transform.localEulerAngles;
                transform.localEulerAngles = new Vector3(90, 0, 0);
                transform.DOLocalRotate(qa, activeTime).OnComplete<Tweener>(() =>
                {
                    if (action != null)
                        action.Invoke();
                });
                transform.DOLocalMove(pos, activeTime).SetEase(Ease.OutBack);
            }
        }
        void showNormalYEffect(Action action = null)
        {
            Ease ease = Ease.OutBack;
            if (scaleDefault != Vector3.zero)
            {
                transform.DOKill();
                transform.localScale = new Vector3(scaleDefault.x, scaleDefault.y / 100, scaleDefault.z);
                float activeTime = 0.3f;
                transform.DOScale(scaleDefault, activeTime).SetEase(ease).OnComplete<Tweener>(() =>
                {
                    if (action != null)
                        action.Invoke();
                });
            }
        }

        void showNormalEffect(Action action = null)
        {
            Ease ease = Ease.OutBack;
            if (scaleDefault != Vector3.zero)
            {
                transform.DOKill();
                transform.localScale = scaleDefault / 100;
                float activeTime = 0.3f;
                transform.DOScale(scaleDefault, activeTime).SetEase(ease).OnComplete<Tweener>(() =>
                {
                    if (action != null)
                        action.Invoke();
                });
            }
        }

        void hideNormalYEffect(Action action)
        {
            Ease ease = Ease.InBack;
            transform.DOKill();
            float activeTime = 0.3f;
            transform.DOScale(new Vector3(transform.localScale.x, Vector3.zero.y, transform.localScale.z), activeTime).SetEase(ease).OnComplete<Tweener>(() =>
            {
                if (action != null)
                    action.Invoke();
                this.gameObject.SetActive(false);
            });
        }

        void hideNormalEffect(Action action)
        {
            Ease ease = Ease.InBack;
            transform.DOKill();
            float activeTime = 0.3f;
            transform.DOScale(Vector3.zero, activeTime).SetEase(ease).OnComplete<Tweener>(() =>
            {
                if (action != null)
                    action.Invoke();
                this.gameObject.SetActive(false);
            });
        }
        void hideRotateXEffect(Action action)
        {
            Ease ease = Ease.InBack;
            transform.DOKill();
            float activeTime = 0.3f;
            transform.DOLocalRotate(new Vector3(45, 0, 0), activeTime).OnComplete<Tweener>(() =>
            {
                if (action != null)
                    action.Invoke();
            });
            transform.DOMove(new Vector3(GSXRManager.Instance.head.position.x, GSXRManager.Instance.head.position.y - 0.5f, GSXRManager.Instance.head.position.z), activeTime).SetEase(Ease.InBack);

        }

        /// <summary>
        /// 获取指定名称类型的对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="childName"></param>
        /// <returns></returns>
        public T GetChild<T>(Transform target, string childName)
        {
            return UnityUtil.GetChild<T>(target, childName);
        }
        /// <summary>
        /// 获取指定名称类型的对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="childName"></param>
        /// <returns></returns>
        public T GetChild<T>(string childName)
        {
            if (DlgRoot)
            {
                return GetChild<T>(DlgRoot, childName);
            }
            return GetChild<T>(transform, childName);
        }

        /// <summary>
        /// 深度优先搜索查找子物体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="childName"></param>
        /// <returns></returns>
        public T GetDepthChild<T>(string childName)
        {
            return UnityUtil.GetDepthChild<T>(transform, childName);
        }
        /// <summary>
        /// 广度优先查找子物体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="childName"></param>
        /// <returns></returns>
        public T GetBreadthChild<T>(string childName)
        {
            return UnityUtil.GetBreadthChild<T>(transform, childName);
        }
        public GameObject GetBreadthChild(string childName)
        {
            return UnityUtil.GetBreadthChild(transform, childName);
        }
        public T GetParent<T>()
        {
            return GetComponentInParent<T>();
        }
        public T GetChild<T>()
        {
            return GetComponentInChildren<T>();
        }
        public T GetT<T>(GameObject target)
        {
            return target.GetComponent<T>();
        }
        public T GetT<T>()
        {
            return GetT<T>(gameObject);
        }
        public T Get<T>()
        {
            return GetComponent<T>();
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="isDes"></param>
        public void Close(bool isDes = false)
        {
            if (isDes)
            {
                Destroy(gameObject);
            }
            else
            {
                gameObject.SetActive(false);
            }
        }
        /// <summary>
        /// 隐藏
        /// </summary>
        public void Show()
        {
            if (!gameObject.activeSelf)
            {
                gameObject.SetActive(true);
            }
        }
        /// <summary>
        /// 激活拖拽窗口组件
        /// 窗口可以拖拽移动旋转缩放，同时不再跟随视角移动变化
        /// </summary>
        public void ActiveDragDlg()
        {
            ///锁定视角
            IsFaceLock = true;
            if (Transfer)
            {
                Transfer.IsDragEnable = true;
            }
        }
        /// <summary>
        /// 失活拖拽窗口组件
        /// 窗口不可被移动缩放或者旋转
        /// </summary>
        public void DisActiveDragDlg()
        {
            if (Transfer)
            {
                Transfer.IsDragEnable = false;
            }
        }
        /// <summary>
        /// 锁定窗口，
        /// </summary>
        public void LockDlg()
        {

        }
        /// <summary>
        /// 解锁窗口，此窗口将跟随用户移动而移动
        /// </summary>
        public void UnLockDlg()
        {

        }
        public void SetScale(Vector2 size, float infoSize = 1)
        {
            size = DlgTrans.rect.size;
            AutoSetScale(DlgTrans, size);
            //print(gameObject);
            BG.UpdateSize(size * WorldDlg.UIScale);
            SetBoundSize(BG.Back, dragOffset * infoSize);
            if (isShowTitle)
            {
                AutoSetTitle(size);
            }
            //RefreshBounds();
        }

        public void AutoSetScale(Transform body, Vector2 size)
        {
            if (DlgRoot)
            {
                for (int i = 0; i < DlgRoot.childCount; i++)
                {
                    var child = DlgRoot.GetChild(i) as RectTransform;
                    if (child)
                    {
                        child.sizeDelta = size * WorldDlg.UIScale;
                        child.localScale = Vector3.one / WorldDlg.UIScale;
                    }
                }
            }

            if (FullUIRoot)
            {
                FullUIRoot.localScale = Vector3.one;
                FullUIRoot.sizeDelta = size;
            }
        }
        public void SetBoundSize(RectTransform back, Vector2 dragOffset)
        {
            if (isAddBgCollider)
            {
                if (!boxCollider)
                {
                    if (!(boxCollider = BG.GetComponentInChildren<BoxCollider>()))
                    {
                        boxCollider = BG.gameObject.AddComponent<BoxCollider>();
                    }
                    //UIRayCast
                }
                Vector3 boxSize = boxCollider.size;
                boxSize.x = back.rect.size.x + dragOffset.x;
                boxSize.y = back.rect.size.y + dragOffset.y;
                boxCollider.size = boxSize;
            }
        }
        public Vector2 DlgSize
        {
            get
            {
                Vector2 size = DlgTrans.sizeDelta;
                size.x *= DlgTrans.localScale.x;
                size.y *= DlgTrans.localScale.y;
                if (DlgRoot)
                {
                    size.x *= DlgRoot.localScale.x;
                    size.y *= DlgRoot.localScale.y;
                }
                return size;
            }
        }
        /// <summary>
        /// 获取窗口的绝对坐标点
        /// </summary>
        public DlgRect DlgRect
        {
            get
            {
                Vector2 size = DlgTrans.sizeDelta / 2;
                Vector2 pos = size;
                dlgRect.upRight = DlgTrans.TransformPoint(pos);
                pos.x = -size.x;
                dlgRect.upLeft = DlgTrans.TransformPoint(pos);
                pos.y = -size.y;
                dlgRect.downLeft = DlgTrans.TransformPoint(pos);
                pos.x = size.x;
                dlgRect.downRight = DlgTrans.TransformPoint(pos);
                dlgRect.CombinePoints();
                return dlgRect;
            }
        }

        public RectTransform DlgRoot
        {
            get
            {
                if (!dlgRoot)
                {
                    dlgRoot = GetBreadthChild<RectTransform>("DlgRoot");
                }
                return dlgRoot;
            }
        }

        public RectTransform Container
        {
            get
            {
                if (!container)
                {
                    if (FullUIRoot)
                    {
                        container = UnityUtil.GetBreadthChild<RectTransform>(FullUIRoot, "Container");
                    }
                }
                return container;
            }
        }



        /// <summary>
        /// 自动调整标题板的位置
        /// </summary>
        /// <param name="size"></param>
        public void AutoSetTitle(Vector2 size)
        {
            var tmp = XRTitle.rectTransform.rect.size;
            tmp.x = size.x * WorldDlg.UIScale;
            XRTitle.UpdateSize(tmp);
            XRTitle.rectTransform.sizeDelta = tmp;
            var pos = XRTitle.rectTransform.anchoredPosition3D;
            pos.y = size.y * WorldDlg.UIScale / 2 + tmp.y / 2 + titleDis;
            XRTitle.rectTransform.anchoredPosition3D = pos;
        }
        /// <summary>
        /// 判断两个窗口是否相交
        /// 将另一个窗口转化为本窗口的坐标系
        /// </summary>
        /// <param name="otherDlg"></param>
        /// <returns></returns>
        public bool IsIntersect(WorldDlg otherDlg)
        {
            Vector3[] other = otherDlg.DlgRect.points;
            for (int i = 0; i < other.Length; i++)
            {
                other[i] = DlgTrans.InverseTransformPoint(other[i]);
            }
            for (int i = 0; i < other.Length / 2; i++)
            {
                float z = other[2 * i].z * other[2 * i + 1].z;
                if (z < 0)
                {
                    if ((Math.Abs(other[2 * i].x) < DlgTrans.sizeDelta.x / 2 && Math.Abs(other[2 * i].y) < DlgTrans.sizeDelta.y / 2) ||
                        (Math.Abs(other[2 * i + 1].x) < DlgTrans.sizeDelta.x / 2 && Math.Abs(other[2 * i + 1].y) < DlgTrans.sizeDelta.y / 2))
                    {
                        return true;
                    }
                }
            }
            return false;
        }
    }
}