using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;
using DG.Tweening.Core;
using DG.Tweening.Plugins.Options;

public enum BattleCamp
{
    Friendly,
    Enemy
}

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 string BattleObjectId { get; protected set; }
    
    public BattleCamp Camp { get; protected set; } = BattleCamp.Friendly;
    
    public TeamCard teamCard { get; protected set; }

    protected MotionBase motionBase;

    protected GameObject cardGO;
    
    public virtual void Init(TeamCard _teamCard)
    {
        this.teamCard = _teamCard;
        motionBase = new MotionBase();
    }

    protected void LoadCard()
    {
        
    }
    
    
    #region 战斗相关函数
    
    public virtual void AttackTarget(List<BattleObject> targets)
    {
        // 找离自己最近的

        if (0 == targets.Count) return;

        BattleObject target = targets[0];

        if (1 != targets.Count)
        {
            for (int i = 1; i < targets.Count; i++)
            {
                if (Vector3.Distance(cardGO.transform.position, targets[i].cardGO.transform.position) < Vector3.Distance(cardGO.transform.position, target.cardGO.transform.position))
                {
                    target = targets[i];
                }
            }
        }

        Vector3 tempPos = cardGO.transform.position;

        motionBase.OnAttackAnimationComplete = () => {
            // 攻击动画结束之后 回到原来的位置

            cardGO.transform.DOMove(tempPos, 1f).OnComplete(() => {
                // motionBase.ClearEvent();// = null;

                //  通知本次攻击行动结束
                //  通过battleFieldId来告知BattleFieldMgr
            });  
        };

        cardGO.transform.DOMove(target.cardGO.transform.position, 1f).OnComplete(() => {
            // 播放攻击动画
            motionBase.OnAttackHitEvent = (int attackIndex) => {
                for (int i = 0; i < targets.Count; i++)
                {
                    targets[i].UnderAttack(this);
                }
            };

            //普攻是hit1

            motionBase.PlayAnimationEx(MotionName.atk1, false, new List<int>(){
                5//假设是5帧 目前还没有数据
            });
        });
    }

    public virtual void CastSkill(List<BattleObject> targets)
    {
        //  需不需要move 攻击目标是谁 
    }
    
    public virtual float UnderAttack(BattleObject attacker)
    {
        return 0;
    }
    
    public virtual float HealTargets(List<BattleObject> targets)
    {
        return 0;
    }
    
    public virtual float BeHealed(BattleObject healer, float healAmount)
    {
        return 0;
    }
    
    public virtual bool Revive(BattleObject target)
    {
        return false;
    }
    
    public virtual bool BeRevived(BattleObject reviver, float healthPercent = 0.5f)
    {
        return false;
    }
    
    #endregion
    
    #region 辅助函数
    
    public virtual bool IsEnemy(BattleObject other)
    {
        if (other == null) return false;
        
        return Camp != other.Camp;
    }
    
    public virtual bool IsFriendly(BattleObject other)
    {
        if (other == null) return false;
        
        return Camp == other.Camp;
    }

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