using System.Collections;
using UnityEngine;
using UI.LuckyBox;
using System.Collections.Generic;
using FairyGUI;
using System.Threading;
using System.Threading.Tasks;
using System;
using cfg.GfgCfg;
using Random = UnityEngine.Random;

namespace GFGGame
{
    public class LuckyBoxStarView : BaseWindow
    {
        private UI_LuckyBoxStarUI _ui;
        private List<GObject> comStars = new List<GObject>();
        private List<GObject> clickComStars = new List<GObject>();
        private List<GObject> notClickComStars = new List<GObject>();
        private List<EffectUI> dicEffect = new List<EffectUI>();
        private List<EffectUI> effObj = new List<EffectUI>();
        private EffectUI _effectUI1;
        private EffectUI _effectUI2;
        private EffectUI _effectUI3;
        private EffectUI _effectUI4;
        private GObject curComStar; //当前选中的星星
        private Vector2 lastPos; //鼠标的上一个位置，每颗星星初始时默认为Vector2.right;

        private List<ItemData> _rewardList;
        private bool _allEffectsLoaded = false;

        private const int checkDistance = 40; //鼠标靠近星星周围加减40都算选中星星
        private const int imgLineWidth = 10; //线的原始长度
        private bool _isLuckyBox = true; //是抽奖（true）,是限时主题活动（false）

        private bool showGuide = false;

        public override void Dispose()
        {
            EffectUIPool.Recycle(_effectUI1);
            _effectUI1 = null;
            EffectUIPool.Recycle(_effectUI2);
            _effectUI2 = null;
            EffectUIPool.Recycle(_effectUI3);
            _effectUI3 = null;
            EffectUIPool.Recycle(_effectUI4);
            _effectUI4 = null;

            if (_ui != null)
            {
                _ui.Dispose();
                _ui = null;
            }

            ClearAllEffects();
            base.Dispose();
        }

        private void ClearAllEffects()
        {
            for (int i = 0; i < dicEffect.Count; i++)
            {
                EffectUIPool.Recycle(dicEffect[i]);
                dicEffect[i] = null;
            }

            for (int i = 0; i < effObj.Count; i++)
            {
                EffectUIPool.Recycle(effObj[i]);
                effObj[i] = null;
            }

            dicEffect.Clear();
            effObj.Clear();
        }

        protected override void OnHide()
        {
            base.OnHide();
            ClearAllEffects();

            int index = 0;
            GObject star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex,
                _ui.m_ctrlRewardsType.selectedIndex, index));
            while (star != null && star.visible == true)
            {
                UI_ComStar comStar = UI_ComStar.Proxy(star);
                for (int i = comStar.target.numChildren - 1; i >= 0; i--)
                {
                    if (comStar.target.GetChildAt(i).name == "comLine") continue;
                    var starchild = comStar.target.RemoveChildAt(i);
                    starchild.Dispose();
                }

                index++;
                star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex,
                    _ui.m_ctrlRewardsType.selectedIndex, index));
                UI_ComStar.ProxyEnd();
            }

            notClickComStars.Clear();
            clickComStars.Clear();
            Timers.inst.Remove(CheckGuide);
            Debug.Log("OnHide LuckyBoxStarView");
        }

        protected override void OnInit()
        {
            base.OnInit();
            _ui = UI_LuckyBoxStarUI.Create();
            this.viewCom = _ui.target;
            isfullScreen = true;

            _ui.m_btnBack.visible = false;
            _ui.m_btnBack.onClick.Add(OnClickBtnBack);
        }

        protected override void OnShown()
        {
            base.OnShown();
            Debug.Log("OnShown： LuckyBoxStarView");

            _allEffectsLoaded = false;
            _ui.m_star.visible = true;
            _ui.m_effEnd.visible = false;

            _rewardList = LuckyBoxDataManager.Instance.RewardList;
            _ui.m_ctrlBuyType.selectedIndex = _rewardList != null && _rewardList.Count > 1 ? 1 : 0;

            _isLuckyBox = LuckyBoxDataManager.Instance.luckyBoxIds.IndexOf(LuckyBoxDataManager.Instance.currentBoxId) >=
                          0;
            _ui.m_ctrlRewardsType.selectedIndex = LuckyBoxDataManager.Instance.luckyBoxIndex;
            _ui.m_loaBg.url = ResPathUtil.GetBgImgPath("zx_bg");

            // 异步加载所有特效
            Timers.inst.StartCoroutine(LoadAllEffects(() =>
            {
                _allEffectsLoaded = true;
                SetupViewAfterEffectsLoaded();
            }));
        }

        private IEnumerator LoadAllEffects(Action onComplete)
        {
            // 加载背景特效
            EffectUIPool.CreateEffectUI(_ui.m_holder_star, "ui_LuckyBox", "bg_liuxing",
                onComplete: (effect) =>
                {
                    if (effect != null)
                    {
                        _effectUI1 = effect;
                    }
                });
            EffectUIPool.CreateEffectUI(_ui.m_holder_bg, "ui_LuckyBox", "bg_thing",
                onComplete: (effect) =>
                {
                    if (effect != null)
                    {
                        _effectUI2 = effect;
                    }
                });
            EffectUIPool.CreateEffectUI(_ui.m_holder_cloud, "ui_LuckyBox", "bg_cloud",
                onComplete: (effect) =>
                {
                    if (effect != null)
                    {
                        _effectUI3 = effect;
                    }
                });
            EffectUIPool.CreateEffectUI(_ui.m_holder_star_sky, "ui_LuckyBox", "Bg_Sky_lizi",
                onComplete: (effect) =>
                {
                    if (effect != null)
                    {
                        _effectUI4 = effect;
                    }
                });

            // 等待所有背景特效加载完成
            while (_effectUI1.GetObj() == null || _effectUI2.GetObj() == null ||
                   _effectUI3.GetObj() == null || _effectUI4.GetObj() == null)
            {
                yield return null;
            }

            onComplete?.Invoke();
        }

        private void SetupViewAfterEffectsLoaded()
        {
            if (!_allEffectsLoaded) return;

            // 设置触摸事件
            _ui.target.onTouchBegin.Add(OnClickUIBegin);
            _ui.target.onTouchMove.Add(OnClickUIMove);
            _ui.target.onTouchEnd.Add(OnClickUIEnd);

            showGuide = GuideDataManager.IsGuideFinish(ConstGuideId.LUCKY_BOX_LINE) <= 0;
            ResetStartView();
            Timers.inst.AddUpdate(CheckGuide);
        }

        private void ResetStartView()
        {
            curComStar = null;
            comStars.Clear();
            int index = 0;
            GObject star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex,
                _ui.m_ctrlRewardsType.selectedIndex, index));

            while (star != null && star.visible == true)
            {
                UI_ComStar comStar = UI_ComStar.Proxy(star);
                comStar.m_comLine.target.visible = true;

                comStar.m_c1.selectedIndex = 0;
                comStar.m_comLine.target.width = imgLineWidth;
                comStar.m_comLine.target.rotation = 0;

                float scale = Random.Range(0.5f, 1f);
                float rotation = Random.Range(0, 360);

                // 创建星星特效
                CreateStarEffect(comStar, scale, rotation);

                star.data = new Vector2(comStar.target.x, comStar.target.y);
                comStars.Add(star);

                index++;
                star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex,
                    _ui.m_ctrlRewardsType.selectedIndex, index));
                UI_ComStar.ProxyEnd();
            }
        }

        private void CreateStarEffect(UI_ComStar comStar, float scale, float rotation)
        {
            // 创建准备状态的星星
            GComponent gcom = CreateEffect(comStar, 1, _isLuckyBox ? "STAR_Ready_Bule" : "STAR_Ready");
            gcom.visible = true;
            comStar.target.AddChildAt(gcom, 1);
            gcom.scale = new Vector2(scale, scale);
            gcom.rotation = rotation;

            // 创建激活状态的星星
            GComponent gcom1 = CreateEffect(comStar, 2, _isLuckyBox ? "STAR_Bule" : "STAR");
            gcom1.visible = false;
            comStar.target.AddChildAt(gcom1, 2);
            gcom1.scale = new Vector2(scale, scale);
            gcom1.rotation = rotation;
        }

        private GComponent CreateEffect(UI_ComStar comStar, int index, string name)
        {
            GComponent gcom;
            if (comStar.target.numChildren > index)
            {
                gcom = comStar.target.GetChildAt(index).asCom;
            }
            else
            {
                gcom = UIPackage.CreateObject("LuckyBox", "ComHolder").asCom;

                EffectUIPool.CreateEffectUI(gcom.GetChild("holder").asGraph, "ui_LuckyBox", name, 120,
                    onComplete: (effect) =>
                    {
                        if (effect != null)
                        {
                            dicEffect.Add(effect);
                        }
                    });
            }

            return gcom;
        }

        private void OnClickUIBegin(EventContext context)
        {
            if (!_allEffectsLoaded) return;

            context.CaptureTouch();
            InputEvent inputEvent = (InputEvent)context.data;
            Vector2 mousePos = this.viewCom.GlobalToLocal(new Vector2(inputEvent.x, inputEvent.y));
            CheckNearbyPos(mousePos);
        }

        private void OnClickUIMove(EventContext context)
        {
            if (!_allEffectsLoaded) return;

            InputEvent inputEvent = (InputEvent)context.data;
            Vector2 mousePos = this.viewCom.GlobalToLocal(new Vector2(inputEvent.x, inputEvent.y));

            CheckNearbyPos(mousePos);

            if (comStars.Count == 0) //所有星星都点亮了主动结束
            {
                this.OnClickUIEnd();
            }
        }

        //检测鼠标附近的星星
        private void CheckNearbyPos(Vector2 mousePos)
        {
            for (int i = comStars.Count - 1; i >= 0; i--)
            {
                Vector2 comStarPos = (Vector2)comStars[i].data;
                if (IsSamePos(mousePos, comStarPos))
                {
                    if (curComStar != null)
                    {
                        SetCurComStarTransfrom(comStarPos);
                    }

                    UI_ComStar comStar = UI_ComStar.Proxy(comStars[i]);
                    comStar.target.GetChildAt(2).asCom.visible = true;
                    string resPath = _isLuckyBox ? "LINE_Bule" : "LINE";

                    EffectUIPool.CreateEffectUI(comStar.m_comLine.m_holder, "ui_LuckyBox", resPath, 120,
                        onComplete: (effect) =>
                        {
                            if (effect != null)
                            {
                                effObj.Add(effect);
                            }
                        });

                    UI_ComStar.ProxyEnd();

                    curComStar = comStars[i];
                    lastPos = Vector2.right;

                    clickComStars.Add(comStars[i]);
                    comStars.RemoveAt(i);
                }
                else
                {
                    if (curComStar != null)
                    {
                        Vector2 curPos = mousePos - (Vector2)curComStar.data;
                        SetCurComStarTransfrom(mousePos);
                        lastPos = curPos;
                    }
                }
            }
        }

        private void SetCurComStarTransfrom(Vector2 targetPos)
        {
            Vector2 curPos = targetPos - (Vector2)curComStar.data;
            float angle = Vector3.Angle(lastPos, curPos); //求出两向量之间的夹角 
            Vector3 normal = Vector3.Cross(lastPos, curPos); //叉乘求出法线向量 
            angle *= Mathf.Sign(Vector3.Dot(normal,
                Vector3.forward)); //Mathf.Sign()求符号，Vector3.Dot()求方向，求法线向量与物体上方向向量点乘，结果为1或-1，修正旋转方向 

            UI_ComStar comStar = UI_ComStar.Proxy(curComStar);
            comStar.m_comLine.target.rotation += angle;
            comStar.m_comLine.target.width = Vector2.Distance(targetPos, (Vector2)curComStar.data);
            UI_ComStar.ProxyEnd();
        }

        private void OnClickUIEnd()
        {
            if (!_allEffectsLoaded || clickComStars.Count <= 0) return;

            UI_ComStar comStar = UI_ComStar.Proxy(clickComStars[clickComStars.Count - 1]);
            comStar.m_comLine.target.visible = false;
            UI_ComStar.ProxyEnd();

            if (showGuide && clickComStars.Count < 2)
            {
                ResetStartView();
            }
            else
            {
                RemoveListener();
                Timers.inst.Add(0.5f, 1, SetEndEffect);
            }
        }

        private void SetEndEffect(object param)
        {
            _ui.m_t0.Play(() => { ClickUIEnd(null); });
            TryCompleteGuide();
        }

        private void ClickUIEnd(object param)
        {
            if (curComStar != null)
            {
                RemoveListener();
                this.Hide();
                //LuckyBoxVideoView.Instance.Show(_rewardList);
                ViewManager.Show<LuckyBoxBonusShowView>(_rewardList);
            }
        }

        private bool IsSamePos(Vector2 mousePos, Vector2 comStarPos)
        {
            return (mousePos.x < comStarPos.x + checkDistance) &&
                   (mousePos.x > comStarPos.x - checkDistance) &&
                   (mousePos.y < comStarPos.y + checkDistance) &&
                   (mousePos.y > comStarPos.y - checkDistance);
        }

        private void RemoveListener()
        {
            _ui.target.onTouchBegin.Remove(OnClickUIBegin);
            _ui.target.onTouchMove.Remove(OnClickUIMove);
            _ui.target.onTouchEnd.Remove(OnClickUIEnd);
        }

        private void OnClickBtnBack()
        {
            this.Hide();
            RemoveListener();
            ViewManager.Show<LuckyBoxView>();
        }

        private void CheckGuide(object param)
        {
            if (!_allEffectsLoaded) return;

            if (GuideDataManager.IsGuideFinish(ConstGuideId.LUCKY_BOX_LINE) <= 0)
            {
                UpdateToCheckGuide(null);
            }
            else
            {
                Timers.inst.Remove(CheckGuide);
            }
        }

        protected override void UpdateToCheckGuide(object param)
        {
            if (!_allEffectsLoaded || !ViewManager.CheckIsTopView(this.viewCom)) return;

            GuideController.TryGuide(null, ConstGuideId.LUCKY_BOX_LINE, 1, "点击将星连接在一起。", -1, true,
                (int)(this.viewCom.height - 200), true);
            TryCompleteGuide();
        }

        protected override void TryCompleteGuide()
        {
            if (!_allEffectsLoaded) return;

            if (clickComStars.Count >= 2)
            {
                GuideController.TryCompleteGuideIndex(ConstGuideId.LUCKY_BOX_LINE, 1);
                GuideController.TryCompleteGuide(ConstGuideId.LUCKY_BOX_LINE, 1);
            }
            else
            {
                GuideDataManager.SetGuideIndexState(GuideDataManager.currentGuideId,
                    GuideDataManager.currentGuideIdIndex, 0);
                GuideDataManager.currentGuideIdIndex = 3;
            }
        }
    }
}