using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;

namespace YLBattle
{
    /// <summary>
    /// 技能控制器
    /// </summary>
    //[RequireComponent(typeof(SkillReady))]
    //[RequireComponent(typeof(SkillShoot))]
    //[RequireComponent(typeof(SkillExplode))]
    public partial class SkillControl : MonoBehaviour
    {

        /// <summary>
        /// 技能准备.
        /// </summary>
        private SkillReady skillReady;

        /// <summary>
        /// 技能发射.
        /// </summary>
        private SkillShoot skillShoot;

        /// <summary>
        /// 技能爆炸.
        /// </summary>
        private SkillExplode skillExplode;


        /// <summary>
        /// 地图中心位置（特效 type=2 敌方）
        /// </summary>
        private Vector3 mMapCenter = Vector3.zero;

        /// <summary>
        /// 地图中心位置（特效 type=2 己方）
        /// </summary>
        private Vector3 mUICenter = Vector3.zero;

        /// <summary>
        /// 实例
        /// </summary>
        public static SkillControl mInstance;

        /// <summary>
        /// 数据交互接口
        /// </summary>
        private IBattleGlobalOper mBattleFeildAdapter = null;

        /// <summary>
        /// 子弹字典
        /// </summary>
        private Dictionary<string, ProjectileBase> ProjectileBases = new Dictionary<string, ProjectileBase>();

        /// <summary>
        /// 爆炸字典
        /// </summary>
        private Dictionary<string, ExplodeBase> ExplodeBases = new Dictionary<string, ExplodeBase>();

        /// <summary>
        /// 准备阶段 技能字典
        /// </summary>
        public Dictionary<string, GameObject> mCommonBaseObjs = new Dictionary<string, GameObject>();

        /// <summary>
        /// 画布
        /// </summary>
        private Canvas m_Canvas = null;

        /// <summary>
        /// 
        /// </summary>
        public Canvas SkillCanvas
        {
            get { return m_Canvas; }
        }

        /// <summary>
        ///坐标 
        /// </summary>
        private RectTransform rectTransform;

        /// <summary>
        /// 获取单键
        /// </summary>
        /// <returns>单键实例</returns>
        public static SkillControl Instance
        {
            get
            {
                if (mInstance == null)
                {
                    GameObject obj = GameObject.Find("SkillControl");
                    if (obj != null)
                    {
                        mInstance = obj.AddComponent<SkillControl>();
                    }
                }

                return mInstance;
            }
        }

        /// <summary>
        /// Start
        /// </summary>
        private void Start()
        {
            this.gameObject.AddComponent<SkillReady>();
            this.gameObject.AddComponent<SkillShoot>();
            this.gameObject.AddComponent<SkillExplode>();

            skillReady = GetComponent<SkillReady>();
            skillShoot = GetComponent<SkillShoot>();
            skillExplode = GetComponent<SkillExplode>();

            m_Canvas = GetComponent<Canvas>();
            rectTransform = m_Canvas.transform as RectTransform;

            this.mMapCenter = transform.Find("MapEffectPoint").transform.position;
            this.mUICenter = transform.Find("UIEffectPoint").transform.position;
        }

        /// <summary>
        /// 设置数据交互接口.
        /// </summary>
        /// <param name="op">Op.</param>
        public void SetOp(IBattleGlobalOper op)
        {
            mBattleFeildAdapter = op;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="resName"></param>
        /// <param name="pos"></param>
        public void createPosEffect(string resName, Vector3 pos, Action<GameObject> ac)
        {
            ResourceHelper.Instance.LoadAssetBundle(resName, ab =>
            {
                if (ab != null)
                {
                    GameObject comUIEff = (GameObject)Instantiate(ab.LoadAsset(resName));
                    comUIEff.SetActive(false);
                    this.TranformHandle(comUIEff.transform, pos);
                    if (ac != null)
                    {
                        ac.Invoke(comUIEff);
                    }

                }
            });
        }


        /// <summary>
        /// 在目标位置(UI层）上创建特效
        /// </summary>
        /// <param name="Id">目标Id</param>
        /// <param name="resName">资源名称</param>
        /// <param name="posType">位置类型 0=transform脚底 1=shoot/hit 2=指定位置</param>
        public void createPosEffect(string Id, string resName, Vector3 pos, int posType = 0, float time = 1.0f)
        {

            Fighter target = FightingManager.Instance.GetFighter(Id);
            #region 加载准备阶段光效
            ResourceHelper.Instance.LoadAssetBundle(resName, ab =>
            {
                if (ab != null)
                {
                    GameObject comUIEff = (GameObject)Instantiate(ab.LoadAsset(resName));

                    Vector3 targetPos = Vector3.zero;

                    if (posType == 2)
                    {
                        targetPos = WorldToGUI(pos);
                    }
                    else if (target != null)
                    {
                        if (posType == 1)
                        {
                            if (target.mTeam == EBattleTeam.REDTEAM)
                            {
                                targetPos = WorldToGUI(target.mBodyCenterPos);
                            }
                            else
                            {
                                targetPos = target.mBodyCenterPos;
                            }
                        }
                        else
                        {
                            if (target.mTeam == EBattleTeam.REDTEAM)
                            {
                                targetPos = WorldToGUI(target.mBodyRootPos);
                            }
                            else
                            {
                                targetPos = target.mBodyRootPos;
                            }
                        }
                    }

                    this.TranformHandle(comUIEff.transform, targetPos);
                    ExplodeBase exloreScript = comUIEff.GetComponent<ExplodeBase>();
                    if (exloreScript != null)
                    {
                        exloreScript.enabled = false;
                    }
                    ///(用于非战斗的定点位置爆炸跟踪使用)
                    ExplodeTraceBase explode = comUIEff.GetComponent<ExplodeTraceBase>();
                    if (explode == null)
                    {
                        explode = comUIEff.AddComponent<ExplodeTraceBase>();
                    }

                    explode.lifeTime = time;
                    explode.TargetId = Id;
                    explode.posType = posType;

                }
                else
                {
                    LogHelper.LogWarning("特效模版数据有误!!!  " + resName);
                }
            });
            #endregion
        }

        /// <summary>
        /// 创建UI屏幕特效（例如，boss出现[全屏])
        /// </summary>
        /// <param name="Id"></param>
        /// <param name="resName"></param>
        public void createUIScreenEffect(string Id, string resName)
        {
            ResourceHelper.Instance.LoadAssetBundle(resName, ab =>
            {
                if (ab != null)
                {
                    GameObject uiEff = (GameObject)Instantiate(ab.LoadAsset(Id));
                    uiEff.transform.SetParent(transform);
                    uiEff.transform.position = Vector3.zero;
                    uiEff.transform.rotation = Quaternion.identity;
                    uiEff.transform.localScale = new Vector3(1, 1, 1);
                    this.mCommonBaseObjs.Add(Id, uiEff);
                }
            }
           );
        }

        /// <summary>
        /// Tranform的处理，3D->UI
        /// </summary>
        /// <param name="model"></param>
        /// <param name="trgPos"></param>
        public void TranformHandle(Transform model, Vector3 trgPos)
        {
            Transform[] all = model.GetComponentsInChildren<Transform>();

            ///默认UI相机照射所有特效
            ///如果是bomb在敌人身上（3D)身上，则使用3D摄像机；
            foreach (Transform rc in all)
            {
                rc.gameObject.layer = LayerMask.NameToLayer("UI"); //指定Layer 
            }

            model.transform.SetParent(transform);
            model.transform.position = trgPos;
            model.transform.rotation = Quaternion.identity;
            model.transform.localScale = new Vector3(1, 1, 1);
        }

        /// <summary>
        /// 创建子弹.
        /// </summary>
        /// <param name="_bulletLoadParam">子弹参数</param>
        public void createProjectile(BulletLoadParam _bulletLoadParam)
        {
            ///发起者
            Fighter tempCaster = FightingManager.Instance.GetFighter(_bulletLoadParam.uid);
            if (tempCaster == null)
            {
                LogHelper.Log("发起者 id=" + _bulletLoadParam.uid + " 不存在（死亡）,反射失败");
                return;
            }

            Vector3 point = tempCaster.mBodyCenterPos;

            #region 弹道设定
            ///无弹道->模拟
            if (_bulletLoadParam.traject == EBulletTrajectoryType.EBULLET_TRAJECT_NONE)
            {
                CreateNoneTrajectBullet(_bulletLoadParam, point);
                return;
            }
            CreatePrebBullet(_bulletLoadParam, point, tempCaster.mTeam == EBattleTeam.BLUETEAM);

            #endregion
        }

        /// <summary>
        /// 查找Transform
        /// </summary>
        /// <param name="tran">父级</param>
        /// <param name="name">名称</param>
        /// <returns>Transform</returns>
        private Transform FindTransform(Transform tran, string name)
        {
            Transform[] trans = tran.GetComponentsInChildren<Transform>();
            for (int i = 0; i < trans.Length; i++)
            {
                if (trans[i].name.Trim().IndexOf(name.Trim(), 0, trans[i].name.Trim().Length) != -1)
                {
                    return trans[i];
                }
            }

            return null;
        }

        /// <summary>
        /// 创建外部预置物体类型子弹
        /// </summary>
        /// <param name="_bulletloadParam"></param>
        /// <param name="muzzplePos">发射点</param>
        void CreatePrebBullet(BulletLoadParam _bulletLoadParam, Vector3 muzzplePos, bool isScreen)
        {
            ///弹道效果
            GameObject projectileEff = null;
            ResourceHelper.Instance.LoadAssetBundle(_bulletLoadParam.res + "_sending", ab =>
            {
                if (ab != null)
                {
                    projectileEff = (GameObject)Instantiate(ab.LoadAsset(_bulletLoadParam.res));
                }
                else
                {
                    projectileEff = new GameObject();
                    projectileEff.name = _bulletLoadParam.tid + "_sending";
                }

                this.TranformHandle(projectileEff.transform, muzzplePos);
                AddProjectileComponent(_bulletLoadParam, projectileEff);

            });
        }

        /// <summary>
        /// 子弹增加轨道组件
        /// </summary>
        /// <param name="_bulletLoadParam"></param>
        /// <param name="projectileEff"></param>
        public void AddProjectileComponent(BulletLoadParam _bulletLoadParam, GameObject projectileEff)
        {
            ProjectileBase Projectile = null;

            switch (_bulletLoadParam.traject)
            {
                /// 无弹道,直接出现在目标位置处
                case EBulletTrajectoryType.EBULLET_TRAJECT_NONE:
                    ///不会走到这里滴~~
                    Debug.LogError("擦，真没数据啊。。。。。");
                    break;
                /// 抛物线子弹
                case EBulletTrajectoryType.EBULLET_TRAJECT_PARABOLA:

                    Projectile = projectileEff.AddComponent<ProjectileArcGUI>() as ProjectileArcGUI;
                    break;
                case EBulletTrajectoryType.EBULLET_TRAJECT_LINE:

                    Projectile = projectileEff.AddComponent<ProjectileArcLine>() as ProjectileArcLine;
                    break;
                    /// 屏幕
            }
            ///创建子弹完毕，隐藏，待shoot调用
            if (Projectile != null)
            {
                projectileEff.SetActive(false);///关闭对象显示
                Projectile.bulletLoadParam = _bulletLoadParam;

                if (ProjectileBases.ContainsKey(_bulletLoadParam.id) == false)
                {
                    ProjectileBases.Add(_bulletLoadParam.id, Projectile);
                }
                else
                {
                    ProjectileBases[_bulletLoadParam.id] = Projectile;
                }
            }
        }

        /// <summary>
        /// 创建无弹道轨迹的子弹
        /// </summary>
        /// <param name="_bulletloadParam"></param>
        /// <param name="muzzplePos">发射点</param>
        void CreateNoneTrajectBullet(BulletLoadParam _bulletloadParam, Vector3 muzzplePos)
        {
            GameObject projNoneObj = new GameObject(_bulletloadParam.res + "+_ProjectileNONE");
            projNoneObj.transform.SetParent(transform);
            ProjectileBase ProjectileNONE = projNoneObj.AddComponent<ProjectileBase>();
            ProjectileNONE.isHit = true;
            ProjectileNONE.bulletLoadParam = _bulletloadParam;

            if (ProjectileBases.ContainsKey(_bulletloadParam.id))
            {
                ProjectileBases[_bulletloadParam.id] = ProjectileNONE;
            }
            else
            {
                ProjectileBases.Add(_bulletloadParam.id, ProjectileNONE);
            }

        }

        /// <summary>
        /// 创建发射阶段效果.
        /// </summary>
        /// <param name="id">目标</param>
        /// <param name="_targetPoint">目标位置</param>
        /// <param name="_targetTransform">目标trans</param>
        /// <param name="isMapProjectile">是否为(地图坐标型）全屏特效</param>
        public void createSkillShoot(string id, Vector3 _targetPoint, string targetID, bool isMapProjectile, int posType)
        {
            Fighter temp = FightingManager.Instance.GetFighter(targetID);//获取目标对象
            if (temp == null && isMapProjectile == false)
            {
                ///角色已死亡
                return;
            }
            ///根据id获取子弹对象
            if (ProjectileBases.ContainsKey(id))
            {
                ProjectileBase _projectileBase = ProjectileBases[id];
                _projectileBase.bulletLoadParam.targetId = targetID;
                ///bulletlaunch时设定是否为地图定点子弹，主要根据其子弹目标类型
                ///地图坐标型子弹.
                _projectileBase.isMapProjectile = isMapProjectile;
                _projectileBase.posType = posType;

                ///无弹道直接爆炸/全屏特效无坐标
                if (_projectileBase.bulletLoadParam.traject == EBulletTrajectoryType.EBULLET_TRAJECT_NONE ||
                    _targetPoint == Vector3.zero) //||
                                                  //    isMapProjectile == true)
                {
                    createSkillExplode(_targetPoint, _projectileBase.bulletLoadParam, isMapProjectile, posType);
                }
                else
                {
                    skillShoot.Shoot(_projectileBase, _targetPoint, temp != null ? temp.transform : null);//发射弹道

                }

            }
            else
            {
                SkillControl.Instance.removeExplode(id);

            }
        }

        /// <summary>
        /// 创建爆炸阶段效果.
        /// </summary>
        /// <param name="point">目标位置</param>
        /// <param name="_bulletLoadParam">参数</param>
        /// <param name="isMapProjectile">是否为场景坐标轨迹型子弹</param>
        /// <param name="posType">位置类型</param>
        public void createSkillExplode(Vector3 point, BulletLoadParam _bulletLoadParam, bool isMapProjectile, int posType = 0)
        {
            ///发起者     
            Fighter temp = FightingManager.Instance.GetFighter(_bulletLoadParam.uid);
            ///加载爆炸光效
            ResourceHelper.Instance.LoadAssetBundle(_bulletLoadParam.res + "_bomb", ab =>
            {
                GameObject explodeEff = null;
                ExplodeBase newExplode = null;
                if (ab != null)
                {
                    if (temp == null)
                    {
                        ///角色已死亡
                        return;
                    }

                    explodeEff = (GameObject)Instantiate(ab.LoadAsset(_bulletLoadParam.res));
                    newExplode = explodeEff.GetComponent<ExplodeBase>();
                }
                else
                {
                    explodeEff = new GameObject();
                    explodeEff.name = _bulletLoadParam.res + "_bomb";
                }

                if (newExplode == null)
                {
                    newExplode = explodeEff.AddComponent<ExplodeBase>();
                }
                ///子弹参数
                newExplode.bulletId = _bulletLoadParam.id;
                newExplode.OnDestoryAction = removeExplode;


                //***************************位置处理***************************
                //Debug.LogError("子弹模板:"+_bulletLoadParam.tid);
                if (posType == 3)
                ///全屏特效 屏幕中心
                {
                    if (_bulletLoadParam.team == EBattleTeam.BLUETEAM)
                    {
                        this.TranformHandle(explodeEff.transform, this.mUICenter);

                    }
                    else
                    {
                        this.TranformHandle(explodeEff.transform, this.mMapCenter);

                    }
                }
                else if (posType == 4)
                {
                    this.TranformHandle(explodeEff.transform, Vector3.zero);
                }
                else if (posType == 2)  //地图跟随
                {
                    if (_bulletLoadParam.team == EBattleTeam.BLUETEAM)
                    {
                        this.TranformHandle(explodeEff.transform, this.mUICenter);

                    }
                    else
                    {

                        this.TranformHandle(explodeEff.transform, WorldToGUI(FightingMap.Instance.MapPos));
                        ///如果是蓝队，则会出现镜头转向时，特效被旋转偏移
                        ///子弹（附加）追踪脚本
                        ExplodeTrace newExplodeTrace = explodeEff.AddComponent<ExplodeTrace>();

                        newExplodeTrace.SetMapFollow((int)_bulletLoadParam.hitpoint, this.rectTransform, this.m_Canvas);
                        newExplodeTrace.gameObject.SetActive(false);

                    }
                }
                else//角色跟随
                {

                    this.TranformHandle(explodeEff.transform, point);
                    ///如果是蓝队，则会出现镜头转向时，特效被旋转偏移
                    ///子弹（附加）追踪脚本
                    ExplodeTrace newExplodeTrace = explodeEff.AddComponent<ExplodeTrace>();

                    newExplodeTrace.SetFighterFollow(_bulletLoadParam.id, _bulletLoadParam.targetId, (int)_bulletLoadParam.hitpoint);
                    newExplodeTrace.gameObject.SetActive(false);

                }


                //***************************位置处理结束 ***************************

                if (!ExplodeBases.ContainsKey(_bulletLoadParam.id))
                {
                    ExplodeBases.Add(_bulletLoadParam.id, newExplode);
                }
                else
                {
                    LogHelper.LogError("error: uid=" + _bulletLoadParam.uid +
                        "、tid " + _bulletLoadParam.tid +
                        "、targetId" + _bulletLoadParam.targetId +
                        "、id" + _bulletLoadParam.id
                        );
                }
                Fighter trgFighter = FightingManager.Instance.GetFighter(_bulletLoadParam.targetId);

                if ((trgFighter != null && !trgFighter.IsDead) || isMapProjectile)
                {
                    //LogHelper.LogError(_bulletLoadParam.tid + ".............................bomb");
                    skillExplode.create(_bulletLoadParam.tid, explodeEff);
                }
                else
                {
                    LogHelper.Log("角色死亡 " + _bulletLoadParam.targetId + "/" + _bulletLoadParam.tid + ".............................bomb");
                    //if (!isMapProjectile)
                    //{
                    SkillControl.Instance.removeExplode(_bulletLoadParam.id);
                    return;
                    //}
                }
                if (_bulletLoadParam.audio.Length >= 3)
                {
                    AudioManager.Instance.PlaySkillSoundEffect(_bulletLoadParam.audio[2]);
                }
                else
                {
                    //LogHelper.LogError("audio :"+_bulletLoadParam.tid+" 没有音效数据[cfg_bullet无此模板数据，请添加]"); 
                }
                //LogHelper.LogError(_bulletLoadParam.tid + ".............................bomb");
                ///通知子弹碰撞
                if (mBattleFeildAdapter != null)
                {
                    mBattleFeildAdapter.OnBulletCollideEvent(_bulletLoadParam.id, _bulletLoadParam.uid);
                }

            });
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public Vector3 WorldToGUI(Vector3 orgPos)
        {
            Vector2 pos;
            Vector3 screenPos = CameraManager.Instance.SenceCamara.WorldToScreenPoint(orgPos);
            RectTransformUtility.ScreenPointToLocalPointInRectangle(this.rectTransform,
                screenPos, CameraManager.Instance.SenceUICamera, out pos);
            return pos;
        }

        /// <summary>
        ///  清理当前运行时的技能数据
        /// </summary>
        public void ClearRuningSkill()
        {
            /// 子弹字典
            List<ProjectileBase> projectileBases = new List<ProjectileBase>(ProjectileBases.Values);
            for (int i = 0; i < projectileBases.Count; i++)
            {
                Destroy(projectileBases[i].gameObject);
            }

            ProjectileBases.Clear();

            ///爆炸字典
            List<ExplodeBase> explodeBase = new List<ExplodeBase>(ExplodeBases.Values);
            for (int i = 0; i < explodeBase.Count; i++)
            {
                Destroy(explodeBase[i].gameObject);
            }

            ExplodeBases.Clear();
        }

        /// <summary>
        /// 清除所有技能特效
        /// </summary>
        public void ClearAllSkill()
        {
            this.ClearRuningSkill();

            List<GameObject> commReses = new List<GameObject>(mCommonBaseObjs.Values);
            /// 准备阶段
            for (int i = 0; i < commReses.Count; i++)
            {
                Destroy(commReses[i]);
            }

            mCommonBaseObjs.Clear();

        }


    }

}