using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;
using DG.Tweening.Core;
using DG.Tweening.Plugins.Options;
using Spine.Unity;
using UnityEngine.UI;
using System.Linq;

public enum BattleCamp
{
    Red,
    Blue
}

public enum BattleState
{
    None = 0,
    Stunned = 1 << 0,
    Poisoned = 1 << 1,
    Bleeding = 1 << 2,
    Silenced = 1 << 3,
    Frozen = 1 << 4,
    Burned = 1 << 5
}

public class BattleObject
{
    public BattleField battleField;

    public int BattleObjectId { get; set; }

    public BattleCamp Camp { get; protected set; }

    public TeamHero teamHero { get; protected set; }

    // public BuffMgr buffMgr;

    protected MotionBase motionBase;

    protected GameObject heroGo;

    public BattleObject(BattleField _battleField)
    {
        battleField = _battleField;
    }

    public virtual void Init(GameObject _heroGo, TeamHero _teamHero, BattleCamp _camp)
    {
        heroGo = _heroGo;
        teamHero = _teamHero;
        Camp = _camp;
        motionBase = new MotionBase();
        motionBase.Init(heroGo.GetComponentInChildren<SkeletonGraphic>(true));
    }



    public virtual void Run()
    {
        motionBase.Run();
    }

    public virtual void Pause()
    {
        motionBase.Pause();
    }

    public virtual void Resume()
    {
        motionBase.Resume();
    }

    public virtual void Destroy()
    {
        if (heroGo != null)
        {
            GameObject.DestroyImmediate(heroGo);
            heroGo = null;
        }

        motionBase.Release();
        motionBase = null;
        teamHero = null;
        BattleObjectId = 0;
    }

    //  眩晕
    public bool IsStunned()
    {
        return teamHero.isStunned;
    }

    //  冰冻
    public bool IsFrozen()
    {
        return teamHero.isFrozen;
    }

    //  石化
    public bool IsStoned()
    {
        return teamHero.isStoned;
    }

    // //   禁锢
    // public bool IsConfined()
    // {
    //     return false;
    // }

    //  被沉默
    public bool IsSlient()
    {
        return teamHero.isSlient;
    }

    //  被缴械
    public bool IsDisarmed()
    {
        return teamHero.isDisarmed;
    }

    //  是否无敌
    public bool IsInvincable()
    {
        return teamHero.isInvinceble;
    }

    //  是否死亡
    public bool IsDead()
    {
        return teamHero.isDead;
    }

    //  是否被控住了
    public bool IsCrowdControlled()
    {
        return IsStunned() || IsStoned() || IsFrozen();
    }

    public virtual bool IsCanCastSkill()
    {
        //  被控住
        if (IsCrowdControlled())
        {
            return false;
        }

        //  被沉默
        if (IsSlient())
        {
            return false;
        }

        //  看看怒气是否达到释放要求
        return teamHero.rage >= 100;
    }

    public virtual bool IsCanNormalAttack()
    {
        //  被控住
        if (IsCrowdControlled())
        {
            return false;
        }

        //  缴械
        if (IsDisarmed())
        {
            return false;
        }

        return true;
    }
    
    public virtual void TakeDamage(List<int> damageValues)
    {
        if (IsDead())
            return;

        PopDamage(damageValues);

        motionBase.PlayAnimation(MotionName.hit, false);

        //  计算伤害
        int totalDamage = 0;
        foreach (var damage in damageValues)
        {
            totalDamage += damage;
        }

        //  扣血
        teamHero.curHp -= totalDamage;

        //  其实这里应该是等服务器发death的action
        // if (IsDead())
        // {
        //     OnDeath();
        // }
    }

    //  闪避开始
    public virtual void OnDodgeBegin()
    {
        float pingpongTime = 0.2f;
        RectTransform rectTrans = heroGo.GetComponent<RectTransform>();
        rectTrans.DOAnchorPos(new Vector3(-50, 50, 0), pingpongTime)
            .SetEase(Ease.OutCubic);
    }

    //  闪避结束
    public virtual void OnDodgeEnd()
    {
        float pingpongTime = 0.2f;
        RectTransform rectTrans = heroGo.GetComponent<RectTransform>();
        rectTrans.DOAnchorPos(Vector3.zero, pingpongTime)
                            .SetEase(Ease.OutCubic);
    }

    protected virtual void OnDeath()
    {
        motionBase.OnOtherAnimationComplete = OnOtherAnimationComplete;
        motionBase.PlayAnimation(MotionName.dead, false);
    }

    protected virtual void OnOtherAnimationComplete(MotionName motionName)
    {
        if (motionName == MotionName.dead)
        {
            OnDeadAnimationComplete();
        }
    }

    protected virtual void OnDeadAnimationComplete()
    {
        //  或许看看溶解特效？ YYL TODO
        heroGo.SetActive(false);
    }

     // 伤害还要看 是否闪避 暴击 and so on 需要有一个DamageType 服务器应该会给
    protected virtual void PopDamage(List<int> damageValues)
    {
        //  其实应该通知出去给UI界面解耦 让UI界面自己来显示的 YYL TODO
        //  播放伤害数字
        //  这里可以实现一个伤害数字的弹出效果
        //  比如使用一个UI组件来显示伤害数字
        foreach (var damage in damageValues)
        {
            Debug.Log($"Damage: {damage}");
        }
    }

    public void PlaySkill(SkillConfig skillConfig, List<Dictionary<int, List<int>>> damageList, Action _onComplete)
    {
        bool moveToTarget = true;

        if (moveToTarget)
        {
            int targetId = damageList[0].First().Key;
            BattleObject _targetObj = battleField.battleObjMgr.GetBattleObject(targetId);

            RectTransform selfRect = heroGo.GetComponent<RectTransform>();
            RectTransform targetRect = _targetObj.heroGo.GetComponent<RectTransform>();
            Vector2 curAnchoredPos = selfRect.anchoredPosition;

            MoveToTargetUI(selfRect, targetRect, new Vector2(100f, 0f), () =>
            {
                PlaySkillAnimation(skillConfig, damageList, () =>
                {
                    // 回到原位置
                    selfRect.DOAnchorPos(curAnchoredPos, 0.2f)
                        .SetEase(Ease.Linear)
                        .OnComplete(() => {
                            _onComplete?.Invoke();
                        });
                });
            });
        }
        else
        {
            PlaySkillAnimation(skillConfig, damageList, _onComplete);
        }
    }

    protected void MoveToTargetUI(RectTransform selfRect, RectTransform targetRect, Vector2 offset, Action _onComplete)
    {
        // 1. 目标的本地坐标转为世界坐标
        Vector3 targetWorldPos = targetRect.TransformPoint(targetRect.anchoredPosition + offset);

        // 2. 世界坐标转为自己父节点下的本地坐标
        RectTransform parentRect = selfRect.parent as RectTransform;
        Vector2 targetAnchoredPos;
        RectTransformUtility.ScreenPointToLocalPointInRectangle(
            parentRect,
            RectTransformUtility.WorldToScreenPoint(null, targetWorldPos),
            null,
            out targetAnchoredPos);

        // 3. DOTween 移动
        selfRect.DOAnchorPos(targetAnchoredPos, 0.2f)
            .SetEase(Ease.Linear)
            .OnComplete(() => _onComplete?.Invoke());
    }


    protected void PlaySkillAnimation(SkillConfig skillConfig, List<Dictionary<int, List<int>>> damageList, Action _onComplete)
    {

        //  关键帧列表
        List<int> keyFrameList = new List<int>() { 15 };
        motionBase.OnAttackHitEvent = (int _frame) =>
        {
            Dictionary<int, List<int>> oneRoundDamage = damageList[keyFrameList.IndexOf(_frame)];

            foreach (var kvp in oneRoundDamage)
            {
                int targetId = kvp.Key;
                List<int> damageValues = kvp.Value;

                BattleObject targetObj = battleField.battleObjMgr.GetBattleObject(targetId);
                if (targetObj != null && !targetObj.IsDead())
                {
                    targetObj.TakeDamage(damageValues);
                }
            }
        };

        motionBase.OnAttackAnimationComplete = () =>
        {
            _onComplete?.Invoke();

            motionBase.OnAttackHitEvent = null;
            motionBase.OnAttackAnimationComplete = null;

            //  死亡确定其实不应该在这里进行触发 应该由服务器下发 YYL TODO

#if UNITY_EDITOR
            //  暂时的处理
            HashSet<int> hitTargets = new HashSet<int>();

            foreach (var dmgDict in damageList)
            {
                foreach (var kvp in dmgDict)
                {
                    int targetId = kvp.Key;
                    hitTargets.Add(targetId);
                }
            }

            foreach (int targetId in hitTargets)
            {
                BattleObject targetObj = battleField.battleObjMgr.GetBattleObject(targetId);
                if (targetObj != null && targetObj.IsDead())
                {
                    targetObj.OnDeath();
                }
            }
#endif
        };

        motionBase.PlayAnimationEx(MotionName.attack, false, keyFrameList);
    }

#if UNITY_EDITOR
    public void EditorRevive()
    {
        teamHero.curHp = 100;
        heroGo.SetActive(true);
        motionBase.PlayAnimation(MotionName.idle, true);
    }

    public List<int> TryAttack(BattleObject obj, SkillConfig skillConfig)
    {
        List<int> damageList = new List<int>();

        int totalDamage = teamHero.attack - obj.teamHero.defense;

        damageList.Add(totalDamage);

        return damageList;
    }
#endif

}