using System.Collections.Generic;
using UnityEngine;
using System;
using Sirenix.OdinInspector;
using DG.Tweening;


//各个状态
public enum SpecialState
{
    Null = -1,
    FloatState = 0,
    BlownUp = 1,
    ShotDown = 2,
    Weak = 3,
}

public class AttributeStatus : MonoBehaviour
{
    //组件
    private MoveCharacter character;
    private Rigidbody rb;
    private Foot foot;
    private HitFeedbackSystem hitFeedbackSystem;

    //behit参数
    [DisplayOnly] public SpecialState curSpecialStates = SpecialState.Null;
    public AttackController.AttackMethod attackMethod;

    [LabelText("控制时间")] [DisplayOnly] public float attributeTime;

    [TabGroup("漂浮")]
    [DisplayOnly] public int floatingState;      //0:不漂浮；1:漂浮中；2:飘着；3:掉下去
    private Vector3 origPos;        //初始位置
    private float curHeight;        //当前所在高度
    private float riseTime;         //上升时间
    private float backSpeed;        //返回速度
    private float rotateSpeed;      //旋转速度
    private float rotateDir;        //旋转方向
    private float height;           //漂浮高度
    private float rise = 1;
    private float normalFallSpeed = 15f;

    [TabGroup("击飞击落")] [DisplayOnly] public int hitState;
    [TabGroup("击飞击落")] [DisplayOnly] public bool isFly;
    [TabGroup("击飞击落")] [DisplayOnly] public int jumpNum;
    [TabGroup("击飞击落")] [LabelText("弹跳力比例")] public float jumpNumRate;
    [TabGroup("击飞击落")] [LabelText("X方向阻力")] public float decelerationRatioX = 2f;
    [TabGroup("击飞击落")] [LabelText("Y方向重力")] public float decelerationRatioY = 15f;
    public Character landingDamageFrom;
    private Vector3 startFlyPos;

    [TabGroup("击飞击落")] [LabelText("旋转中心高度")] public float rotateCenterHeight = 1f;
    [TabGroup("击飞击落")] [LabelText("起飞预设角度")] public float startFlyAngle = 15f;
    [Tooltip("x为最小值，y为最大值")]
    [TabGroup("击飞击落")] [LabelText("飞行预设角速度随机范围")] public Vector2 flyingRotateSpeedRange = new Vector2(15, 45);
    private float flyingRotateSpeed;
    private Vector3 scale;
    [TabGroup("击飞击落")] [LabelText("压缩程度")] public float compressionDegree = 0.8f;
    [Tooltip("x为向下压缩经过的时间，y为回弹经过的时间")]
    [TabGroup("击飞击落")] [LabelText("压缩速度")] public Vector2 compressionSpeed = new Vector2(0.2f, 0.4f);
    [TabGroup("击飞击落")] [LabelText("弹跳速度")] public float jumpVel = 5f;
    [TabGroup("击飞击落")] private Vector3 flyForce;

    [TabGroup("易伤")]
    [DisplayOnly] public bool haveVulnerable = false;
    [TabGroup("易伤")]
    [DisplayOnly] public float vulnerableRate = 0f;
    [DisplayOnly] public float vulnerableTime;

    [TabGroup("累伤")] [DisplayOnly] public float stackingWoudsTime;
    [TabGroup("累伤")] [DisplayOnly] public float stackingWords;

    //抗性
    [Serializable]
    public struct Resistances
    {
        [LabelText("控制层级")] public int controlOrder;

        //控制效果抗性
        [Range(0, 1)]
        [LabelText("漂浮抗性")]
        public float Float;
        [Range(0, 1)]
        [LabelText("击飞抗性")]
        public float BlowUp;
        [Range(0, 1)]
        [LabelText("击落抗性")]
        public float ShotDown;
        [Range(0, 1)]
        [LabelText("击晕抗性")]
        public float Weak;

        [Space]
        //非控制效果抗性
        [LabelText("护甲值")] public int armor;
        [LabelText("闪避")] public int dodge;
    }
    [LabelText("抗性")] public Resistances resistances;

    public void Init()
    {
        stackingWoudsTime = 0;
        stackingWords = 0;
    }


    private void Awake()
    {
        character = GetComponentInParent<MoveCharacter>();
        rb = character.rb;
        foot = character.foot;
        hitFeedbackSystem = GetComponent<HitFeedbackSystem>();
        scale = character.mecanim.transform.localScale;
    }

    public void Update()
    {
        //易伤
        if (haveVulnerable)
        {
            vulnerableTime -= Time.deltaTime;
            if (vulnerableTime <= 0)
            {
                vulnerableRate = 0f;
                haveVulnerable = false;
            }
        }

        //累伤
        if (stackingWords > 0)
        {
            stackingWoudsTime -= Time.deltaTime;
            if (stackingWoudsTime <= 0)
            {
                stackingWords = 0;
            }
        }
    }

    public void AddSpecialState(AttackController.AttackMethod attackMethod, Character attackFrom)
    {
        if (attackMethod.attackInfo.attackEffect.Count > 0)
        {
            AttackEffect attackEffect = AttackEffect.Null;
            foreach (AttackEffect ae in attackMethod.attackInfo.attackEffect)
            {
                switch (attackMethod.attackInfo.attackEffect[0])
                {
                    /*控制*/
                    //漂浮
                    case AttackEffect.FloatState:
                        if (resistances.Float == 1)
                        {
                            break;
                        }
                        if (PriorityOrder(SpecialState.FloatState, attackMethod.attackInfo.floatState.ControlOrder))
                        {
                            attackEffect = AttackEffect.FloatState;
                        }
                        break;
                    //击飞
                    case AttackEffect.BlowUp:
                        if (resistances.BlowUp == 1)
                        {
                            break;
                        }
                        if (!character.nowCanFly)
                        {
                            if (PriorityOrder(SpecialState.BlownUp,attackMethod.attackInfo.blowUp.ControlOrder))
                            {
                                attackEffect = AttackEffect.BlowUp;
                            }
                        }
                        break;
                    //击落
                    case AttackEffect.ShotDown:
                        if (resistances.ShotDown == 1)
                        {
                            break;
                        }
                        if (character.nowCanFly || !character.canNotShotDown)
                        {
                            if (PriorityOrder(SpecialState.ShotDown,attackMethod.attackInfo.shotDown.ControlOrder))
                            {
                                attackEffect = AttackEffect.ShotDown;
                            }
                        }
                        break;
                    //击晕
                    case AttackEffect.Weak:
                        if (resistances.Weak == 1)
                        {
                            break;
                        }
                        if (PriorityOrder(SpecialState.Weak,attackMethod.attackInfo.weak.ControlOrder))
                        {
                            attackEffect = AttackEffect.Weak;
                        }
                        break;
                }

            }
            if (attackEffect != AttackEffect.Null)
            {
                switch (attackEffect)
                {
                    /*控制*/
                    //漂浮
                    case AttackEffect.FloatState:
                        AddFloat(attackMethod);
                        break;
                    //击飞
                    case AttackEffect.BlowUp:
                        AddBlowUp(attackMethod, attackFrom.bodyTrans);
                        if (attackMethod.attackInfo.blowUp.haveLandingDamage)
                        {
                            landingDamageFrom = attackFrom;
                        }
                        break;
                    //击落
                    case AttackEffect.ShotDown:
                        AddShotDown(attackMethod, attackFrom.bodyTrans);
                        if (attackMethod.attackInfo.shotDown.haveLandingDamage)
                        {
                            landingDamageFrom = attackFrom;
                        }
                        break;
                    //击晕
                    case AttackEffect.Weak:
                        AddWeak(attackMethod);
                        break;
                }
                return;
            }


        }
        if (curSpecialStates == SpecialState.Null)
        {
            hitFeedbackSystem.EnterHitStun(attackFrom);
        }
        else
        {
            hitFeedbackSystem.canBeHitStun = false;
        }

    }

    //CharacterState为SpecialStatus时调用此函数
    public void SpecialStateEffect(SpecialState specialState)
    {
        switch (specialState)
        {
            //漂浮
            case SpecialState.FloatState:
                switch (floatingState)
                {
                    case 1:
                        character.transform.localEulerAngles += new Vector3(0, 0, 1) * rotateDir * rotateSpeed * Time.deltaTime;
                        curHeight = Mathf.SmoothDamp(curHeight, height, ref rise, riseTime);
                        character.transform.position = new Vector3(origPos.x, curHeight, origPos.z);
                        if (curHeight >= height - 0.02f)
                        {
                            floatingState = 2;
                            height = character.transform.position.y;
                        }
                        break;
                    case 2:
                        character.transform.localEulerAngles += new Vector3(0, 0, 1) * rotateDir * rotateSpeed * Time.deltaTime;
                        break;
                    case 3:
                        if (character.transform.position.y >= origPos.y + 0.05f)
                        {
                            curHeight -= normalFallSpeed * Time.deltaTime;
                            character.transform.position = new Vector3(origPos.x, curHeight, origPos.z);
                        }
                        else if (foot.TrigGround || curHeight <= origPos.y + 0.05f)
                        {
                            floatingState = 0;
                            character.bodyCollider.layer = character.gameObject.layer;
                            character.isAdjustHeight = 1;
                            OutSpecialState();
                            return;
                        }
                        break;
                }
                PlayerController playerController = GetComponent<PlayerController>();
                if (playerController != null)
                {
                    if (playerController.mp > 0)
                    {
                        playerController.lostMp += playerController.mpReplySpeed * Time.deltaTime;
                        playerController.mp -= playerController.mpReplySpeed * Time.deltaTime;
                    }
                    if (playerController.lostMp >= playerController.addMp)
                    {
                        PoolManager.Instantiate(playerController.soul, character.transform.position, new Quaternion(0, 0, 0, 0), null);
                        playerController.lostMp = 0;
                    }
                }
                attributeTime -= Time.deltaTime;
                if (attributeTime <= 0)
                {
                    character.transform.localEulerAngles = Vector3.zero;
                    floatingState = 3;
                    rb.useGravity = true;
                }
                break;
            //击飞
            case SpecialState.BlownUp:
            //击落
            case SpecialState.ShotDown:
                Vector3 vel = rb.velocity;
                switch (hitState)
                {
                    case -1:
                        break;
                    case 0:
                        if (isFly && foot.TrigGround && vel.y < 0.1f)
                        {
                            if (!foot.haveGravity)
                            {
                                character.transform.position = new Vector3(transform.position.x, character.platformPosY, transform.position.z);
                            }
                            int landingDamage;
                            if (specialState == SpecialState.BlownUp)
                            {
                                if (attackMethod.attackInfo.blowUp.haveLandingDamage)
                                {
                                    landingDamage = (int)(Mathf.Abs(transform.position.x - startFlyPos.x) * attackMethod.attackInfo.blowUp.landingDamageRate)/* + GameManager.instance.blowUpDamage*/;
                                    if (landingDamage > 0)
                                    {
                                        character.BeHit(attackMethod, landingDamageFrom, landingDamage);
                                    }
                                }
                            }
                            else
                            {
                                AttackInfo.ShotDown shotDown = attackMethod.attackInfo.shotDown;
                                if (shotDown.haveLandingDamage)
                                {
                                    landingDamage = (int)(Mathf.Abs(transform.position.y - startFlyPos.y) * shotDown.landingDamageRate * (1 - resistances.ShotDown)) /*+ GameManager.instance.downDamage*/;
                                    landingDamage = Mathf.Clamp(landingDamage, shotDown.minLandingDamage, landingDamage);
                                    if (landingDamage > 0)
                                    {
                                        character.BeHit(attackMethod, landingDamageFrom, landingDamage);
                                    }
                                }
                            }
                            jumpNum--;
                            if (jumpNum < 0)
                            {
                                vel = vel / 5f;
                                vel.y = jumpVel;
                                character.mecanim.transform.localPosition = Vector3.zero;
                                character.mecanim.transform.localRotation = Quaternion.Euler(0, 0, 0);
                                character.transform.rotation = Quaternion.Euler(transform.rotation.eulerAngles.x, transform.rotation.eulerAngles.y, character.platformRotZ);
                                character.ani.Play(AnimatorHash.ANIMATOR_weak, 0, 0);
                                character.bodyCollider.layer = character.gameObject.layer;
                                hitState = 1;
                            }
                            else
                            {
                                flyForce *= jumpNumRate;
                                rb.AddForce(flyForce, ForceMode.Impulse);
                                
                            }
                            BounceEffect();
                        }
                        else
                        {
                            if (vel.x > 0)
                            {
                                vel.x -= decelerationRatioX * Time.deltaTime;
                            }
                            else
                            {
                                vel.x += decelerationRatioX * Time.deltaTime;
                            }
                            vel.y -= decelerationRatioY * Time.deltaTime;
                            character.mecanim.transform.RotateAround(
                                character.transform.position + rotateCenterHeight * Vector3.up, 
                                Vector3.forward, 
                                flyingRotateSpeed * Time.deltaTime);
                            isFly = true;
                        }
                        break;
                    case 1:
                        //眩晕状态
                        if (attributeTime <= 0)
                        {
                            character.isAdjustHeight = 1;
                            character.nowCanFly = character.canFly;

                            OutSpecialState();
                        }
                        else
                        {
                            if (vel.x > 0)
                            {
                                vel.x -= decelerationRatioX * Time.deltaTime;
                            }
                            else
                            {
                                vel.x += decelerationRatioX * Time.deltaTime;
                            }
                            if (!foot.TrigGround || vel.y > 0.1f)
                            {
                                vel.y -= decelerationRatioY * Time.deltaTime;
                            }


                            attributeTime -= Time.deltaTime;
                        }
                        break;
                }
                rb.velocity = vel;
                break;
            //眩晕
            case SpecialState.Weak:
                if (attributeTime <= 0)
                {
                    OutSpecialState();
                }
                else
                {
                    if (!character.isFrozen) rb.velocity = Vector3.zero;
                    attributeTime -= Time.deltaTime;
                }
                break;
        }
    }
    void BounceEffect()
    {
        Transform spine = character.mecanim.transform;
        Sequence landSequence = DOTween.Sequence();
        landSequence.Append(spine.DOScaleY(scale.y * compressionDegree, compressionSpeed.x));
        landSequence.Append(spine.DOScaleY(scale.y, compressionSpeed.y));
    }


    public void OutSpecialState()
    {
        character.mecanim.transform.localRotation = Quaternion.Euler(0, 0, 0);
        curSpecialStates = SpecialState.Null;
        if (character.canFly)
        {
            rb.useGravity = false;
            character.isAdjustHeight = 1;
        }

        character.ChangeState(CharacterState.Idle);
    }


    //判断优先级,ture为优先级高于当前控制
    public bool PriorityOrder(SpecialState specialState, int controlOrder)
    {
        //控制层级小于控制抗性层级，该控制效果无效
        if (controlOrder < resistances.controlOrder)
        {
            return false;
        }

        if (curSpecialStates == SpecialState.Null)
        {
            curSpecialStates = specialState;
            return true;
        }
        else
        {
            if (curSpecialStates >= specialState)
            {
                curSpecialStates = specialState;
                return true;
            }
        }
        return false;
    }

    //受到漂浮
    public void AddFloat(AttackController.AttackMethod attackMethod)
    {
        if (resistances.Float == 1)
        {
            return;
        }
        this.attackMethod = attackMethod;
        AttackInfo.FloatState floatState = attackMethod.attackInfo.floatState;
        rb.isKinematic = false;
        rb.useGravity = false;
        floatingState = 1;
        origPos = character.transform.position;
        curHeight = origPos.y;
        riseTime = UnityEngine.Random.Range(floatState.upTime.x, floatState.upTime.y);
        backSpeed = UnityEngine.Random.Range(floatState.backSpeed.x, floatState.backSpeed.y);
        if (gameObject.tag == "Enemy" || gameObject.tag == "Player")
        {
            backSpeed = -backSpeed;
        }
        rotateSpeed = UnityEngine.Random.Range(floatState.rotateSpeed.x, floatState.rotateSpeed.y);
        rotateDir = (1.5f - UnityEngine.Random.Range(1, 3)) * 2;
        height = UnityEngine.Random.Range(floatState.height.x, floatState.height.y);
        attributeTime = floatState.time * (1 - resistances.Float);
        character.ChangeState(CharacterState.SpecialStatus_Float);
        character.ChangeStateText(CharacterState.SpecialStatus_Float);
    }

    //受到击飞
    public void AddBlowUp(AttackController.AttackMethod attackMethod, Transform attackFrom)
    {
        if (resistances.BlowUp == 1)
        {
            return;
        }
        this.attackMethod = attackMethod;
        AttackInfo.BlowUp blowUp = attackMethod.attackInfo.blowUp;
        attributeTime = blowUp.time * (1 - resistances.BlowUp);
        Vector3 vec3 = new Vector3(
            blowUp.dir.x + UnityEngine.Random.Range(-blowUp.dirRandom.x / 2f, blowUp.dirRandom.x / 2f),
            blowUp.dir.y + UnityEngine.Random.Range(-blowUp.dirRandom.y / 2f, blowUp.dirRandom.y / 2f),
            0).normalized;
        int attackDir = 0;
        switch (blowUp.directionType)
        {
            case AttackInfo.BlowUp.DirectionType.Common:
                attackDir = attackFrom.localScale.x < 0 ? -1 : 1;
                break;
            case AttackInfo.BlowUp.DirectionType.Spread:
                attackDir = attackFrom.position.x < transform.position.x ? -1 : 1;
                break;
            case AttackInfo.BlowUp.DirectionType.Explosion:
                attackDir = 1;
                vec3 = transform.position - attackFrom.transform.position;
                vec3.y += 0.5f;
                break;
        }
        if (attackDir < 0)
        {
            vec3.x = -vec3.x;
        }
        hitState = -1;
        character.ChangeState(CharacterState.SpecialStatus_BlowUp);
        character.ChangeStateText(CharacterState.SpecialStatus_BlowUp);
        rb.useGravity = true;
        rb.constraints = RigidbodyConstraints.FreezeRotation | RigidbodyConstraints.FreezePositionZ;
        rb.velocity = Vector3.zero;
        flyForce = vec3 * blowUp.force * (1 - resistances.BlowUp);
        rb.AddForce(flyForce, ForceMode.Impulse);
       
        rb.transform.rotation = Quaternion.Euler(0, 0, 0);
        character.mecanim.transform.RotateAround(
            character.transform.position + rotateCenterHeight * Vector3.up,
            Vector3.forward,
            startFlyAngle * attackDir);
        flyingRotateSpeed = UnityEngine.Random.Range(flyingRotateSpeedRange.x, flyingRotateSpeedRange.y) * attackDir;
        startFlyPos = transform.position;
        hitState = 0;
        isFly = false;
        jumpNum = blowUp.jumpNum;
        character.ani.Play("hitted", 0, 0);
    }

    //受到击落
    public void AddShotDown(AttackController.AttackMethod attackMethod, Transform attackFrom)
    {
        if (resistances.ShotDown == 1)
        {
            return;
        }
        this.attackMethod = attackMethod;
        AttackInfo.ShotDown shotDown = attackMethod.attackInfo.shotDown;
        attributeTime = shotDown.time;
        Vector3 vec3 = new Vector3(
            shotDown.dir.x + UnityEngine.Random.Range(-shotDown.dirRandom.x / 2f, shotDown.dirRandom.x / 2f),
            shotDown.dir.y + UnityEngine.Random.Range(-shotDown.dirRandom.y / 2f, shotDown.dirRandom.y / 2f),
            0).normalized;
        int attackDir = 0;
        switch (shotDown.directionType)
        {
            case AttackInfo.ShotDown.DirectionType.Common:
                attackDir = attackFrom.localScale.x < 0 ? -1 : 1;
                break;
            case AttackInfo.ShotDown.DirectionType.Spread:
                attackDir = attackFrom.position.x < transform.position.x ? -1 : 1;
                break;
        }
        if (attackDir < 0)
        {
            vec3.x = -vec3.x;
        }
        rb.useGravity = true;
        rb.constraints = RigidbodyConstraints.FreezeRotation | RigidbodyConstraints.FreezePositionZ;
        rb.velocity = Vector3.zero;
        rb.AddForce(vec3 * shotDown.force, ForceMode.Impulse);
        rb.transform.rotation = Quaternion.Euler(0, 0, 0);
        character.ani.Play("hitted", 0, 0);
        character.nowCanFly = false;
        startFlyPos = transform.position;
        hitState = 0;
        isFly = false;
        character.ChangeState(CharacterState.SpecialStatus_ShotDown);
        character.ChangeStateText(CharacterState.SpecialStatus_ShotDown);
    }

    //受到击晕
    public void AddWeak(AttackController.AttackMethod attackMethod)
    {
        if (resistances.Weak == 1)
        {
            return;
        }
        this.attackMethod = attackMethod;
        AttackInfo.Weak weak = attackMethod.attackInfo.weak;
        attributeTime = weak.time * (1 - resistances.Weak);
        character.ani.Play("weak", 0, 0);
        character.ChangeState(CharacterState.SpecialStatus_Weak);
        character.ChangeStateText(CharacterState.SpecialStatus_Weak);
    }

    public void AddWeak(float _attributeTime)
    {
        if (resistances.Weak == 1 || character.isDie)
        {
            return;
        }
        attributeTime = _attributeTime;
        character.ani.Play("weak", 0, 0);
        character.ChangeState(CharacterState.SpecialStatus_Weak);
        character.ChangeStateText(CharacterState.SpecialStatus_Weak);
    }

    //受到穿甲
    public int AddArmorPiercing(AttackController.AttackMethod attackMethod)
    {
        this.attackMethod = attackMethod;
        AttackInfo.ArmorPiercing armor = attackMethod.attackInfo.armorPiercing;
        //计算护甲减免
        int am = resistances.armor;
        if (am > 0)
        {
            am = am - armor.rate;
            if (am < 0)
            {
                am = 0;
            }
        }
        return am;
    }

    //受到易伤
    public void AddVulnerable(float _vulnerableRate,float _vulnerableTime)
    {
        if(vulnerableRate < _vulnerableRate) vulnerableRate += _vulnerableRate;
        vulnerableTime = _vulnerableTime;
        haveVulnerable = true;
        Debug.Log("添加易伤,vulnerableTime:" + vulnerableTime + ",vulnerableRate:" + vulnerableRate);
    }

    //受到累伤
    public void AddStackingWouds(AttackController.AttackMethod attackMethod)
    {
        this.attackMethod = attackMethod;
        AttackInfo.StackingWounds stackingWounds = attackMethod.attackInfo.stackingWounds;
        if(stackingWoudsTime > 0)
        {
            stackingWords += attackMethod.attackInfo.stackingWounds.damage;
        }
        stackingWoudsTime = stackingWounds.time;
    }
}