using CodeStage.AntiCheat.ObscuredTypes;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public enum eProjectileStartPos { None, Shooter, ShooterCenter, Target, TargetCenter, Custom }
public enum eProjectileStrait { Forward, Down }

public class ProjectileData
{
    public ProjectileBase m_ProjectileBase;
    public Actor shooter, target;
    public SkillListTableData m_SkillListTableData;
    public OptionConfigTableData m_OptionConfigTableData;
    public SkillTypeConfigTableData m_skillTypeConfigTable;
    public eEffect m_Skill = eEffect.None;
    public eSkillExtraType e_SkillExtraType = eSkillExtraType.None;
    public float Speed = 5f, LifeTime = 4f, HitDamage, DamageArea;
    public eProjectileStartPos eStartPos = eProjectileStartPos.None;
    public Vector3 v3_StartPos;
    public bool SetSkillExtraType = true, IsRandomPos, LookTarget = true, CheckOptionWhenStart = true;
    public double Amount;
    public Action<Actor> Action_OnHit;

    ObscuredDouble _BaseDmg;
    ObscuredFloat _AddDmgPercent, _CC_AddTime, _CC_AddDmg, _CC_AddVal1, _CC_AddVal2;
    public ObscuredDouble BaseDmg { get { return _BaseDmg; } set { _BaseDmg = value; _BaseDmg.RandomizeCryptoKey(); } }
    public ObscuredFloat AddDmgPercent { get { return _AddDmgPercent; } set { _AddDmgPercent = value; _AddDmgPercent.RandomizeCryptoKey(); } }
    public ObscuredFloat CC_AddTime { get { return _CC_AddTime; } set { _CC_AddTime = value; _CC_AddTime.RandomizeCryptoKey(); } }
    public ObscuredFloat CC_AddDmg { get { return _CC_AddDmg; } set { _CC_AddDmg = value; _CC_AddDmg.RandomizeCryptoKey(); } }
    public ObscuredFloat CC_AddVal1 { get { return _CC_AddVal1; } set { _CC_AddVal1 = value; _CC_AddVal1.RandomizeCryptoKey(); } }
    public ObscuredFloat CC_AddVal2 { get { return _CC_AddVal2; } set { _CC_AddVal2 = value; _CC_AddVal2.RandomizeCryptoKey(); } }

    public bool IsSkill() { return !DSUtil.CheckNull(m_SkillListTableData); }
    public bool IsSkill(eEffect skill) { return IsSkill() && m_SkillListTableData.e_Skill == skill; }
    public Vector3 Get_EffectPos(Actor target)
    {
        var stcData = m_skillTypeConfigTable;
        if (!DSUtil.CheckNull(stcData))
        {
            Vector3 effectPos;
            switch (stcData.e_EffectLocation)
            {
                case eEffectLocation.Top: effectPos = target.Get_Top_postion(); break;
                default: effectPos = target.Get_Center_position(); break;
                case eEffectLocation.Bottom: effectPos = target.Get_position(); break;
            }
            return new Vector3(effectPos.x + stcData.n_EffectPosition_X, effectPos.y + stcData.n_EffectPosition_Y, effectPos.z);
        }
        return Vector3.right * 1000000f;
    }
    public float Get_SkillDamagePercent()
    {
        var lv = shooter.Get_ServerData().Get_SkillLv(shooter.m_Role, m_SkillListTableData.n_SkillID);
        var tabledmg = m_SkillListTableData.Get_SkillDamage(shooter.Get_StatInfo(), lv);
        return tabledmg + (float)shooter.Get_StatInfo().Get_Stat(eStat.SKILL_Multiplier) + AddDmgPercent;
    }

    public ProjectileData Copy()
    {
        ProjectileData pd = new ProjectileData();
        Copy(pd);
        return pd;
    }
    public void Copy(ProjectileData pd)
    {
        pd.m_ProjectileBase = m_ProjectileBase;
        pd.shooter = shooter;
        pd.Action_OnHit = Action_OnHit;
        pd.target = target;
        pd.m_skillTypeConfigTable = m_skillTypeConfigTable;
        pd.IsRandomPos = IsRandomPos;
        pd.LifeTime = LifeTime;
        pd.m_SkillListTableData = m_SkillListTableData;
        pd.m_Skill = m_Skill;
        pd.Speed = Speed;
        pd.v3_StartPos = v3_StartPos;
        pd.eStartPos = eStartPos;
        pd.HitDamage = HitDamage;
        pd.BaseDmg = BaseDmg;
        pd.CC_AddTime = CC_AddTime;
        pd.CC_AddDmg = CC_AddDmg;
        pd.CC_AddVal1 = CC_AddVal1;
        pd.CC_AddVal2 = CC_AddVal2;
        pd.DamageArea = DamageArea;
    }
}

public class ProjectileBase : MonoBehaviour
{
    public bool m_Pierce;
    public string str_HitEffect;
    protected bool bFirstLoad = true;
    protected ProjectileData m_ProjectTileData;
    protected float m_LifeTime;
    protected Vector3 v3_scale;
    protected Action<double> act_returnDmg;
    protected Action<Actor> act_afterFreezing;
    DamageInfo m_DamageInfo;

    private void Awake() { v3_scale = transform.localScale; }
    private void OnEnable()
    {
        if (bFirstLoad)
        {
            Off_FisrLoad();
            transform.position = Vector3.one * 100000f;
            Off(true);
        }
    }
    public void Off_FisrLoad() { bFirstLoad = false; }

    public virtual void Set(ProjectileData _data)
    {
        _data.AddDmgPercent = _data.CC_AddTime = _data.CC_AddDmg = _data.CC_AddVal1 = _data.CC_AddVal2 = 0f;
        m_ProjectTileData = _data;
        m_ProjectTileData.m_ProjectileBase = this;
        m_DamageInfo = Get_NewDamageInfo();

        var isNullTarget = DSUtil.CheckNull(m_ProjectTileData.target);

        if (m_ProjectTileData.IsSkill())
        {
            var skillData = m_ProjectTileData.m_SkillListTableData;
            if (m_ProjectTileData.SetSkillExtraType)
                m_ProjectTileData.e_SkillExtraType = skillData.e_SkillExtraType;
        }
        else
        {
            transform.localScale = v3_scale;
            var statinfo = m_ProjectTileData.shooter.Get_StatInfo();
            if (!DSUtil.CheckNull(statinfo))
            {
                m_ProjectTileData.Speed += (float)statinfo.Get_Stat(eStat.ProjectileSpeed_Up);
                transform.localScale += v3_scale * (float)statinfo.Get_Stat(eStat.ProjectileSize_Up);
            }
        }

        m_ProjectTileData.m_skillTypeConfigTable = table_skilltypeconfig.Ins.Get_Data_orNull(m_ProjectTileData.e_SkillExtraType);
        if (!isNullTarget && !DSUtil.CheckNull(m_ProjectTileData.m_skillTypeConfigTable) &&
            m_ProjectTileData.m_skillTypeConfigTable.e_SkillExtraTiming == eSkillExtraTiming.Start)
            m_ProjectTileData.target.Check_Extra(m_DamageInfo);

        if (m_ProjectTileData.CheckOptionWhenStart)
        {
            m_ProjectTileData.CheckOptionWhenStart = false;
            m_ProjectTileData.shooter.Check_EnchantOption(m_DamageInfo, false);
        }

        Set_Checkers();

        m_LifeTime = _data.LifeTime;

        gameObject.SetActive(true);

        switch (_data.eStartPos)
        {
            case eProjectileStartPos.Shooter:       transform.position = _data.shooter.Get_CenterPositionFoward(); break;
            case eProjectileStartPos.ShooterCenter: transform.position = _data.shooter.Get_CenterPositionFoward(); break;
            default:                                transform.position = _data.target.Get_CenterPositionFoward(); break;
            case eProjectileStartPos.TargetCenter:  transform.position = _data.target.Get_CenterPositionFoward(); break;
            case eProjectileStartPos.Custom:        transform.position = _data.v3_StartPos; break;
        }

        if (!isNullTarget)
        {
            if (_data.LookTarget)
            {
                switch (_data.eStartPos)
                {
                    case eProjectileStartPos.Shooter:
                    case eProjectileStartPos.Target:
                        transform.LookAt(_data.target.Get_position());
                        break;
                    default:
                        Vector3 targetPosition = _data.target.Get_Center_position();
                        targetPosition.y = _data.shooter.Get_Center_position().y;
                        transform.LookAt(targetPosition);
                        break;
                }
            }
        }
        else if (_data.LookTarget)
            transform.eulerAngles = _data.shooter.transform.eulerAngles;
    }

    protected void LookAt_ShooterFoward()
    {
        transform.rotation = m_ProjectTileData.shooter.transform.rotation;
        transform.eulerAngles = new Vector3(0f, transform.eulerAngles.y);
    }

    /// <summary>
    /// 쿨타임을 감소시킨다. f_ExtraValue1 값을 사용한다.
    /// </summary>
    protected void Set_ReduceCoolTime_byStep(int step)
    {
        if (IsStep(step))
            m_ProjectTileData.shooter.Set_SkillCoolTime(false, m_ProjectTileData.m_SkillListTableData.n_SkillID,
            Get_AwakenData(step, 1));
    }

    /// <summary>
    /// active 스킬 실행 여부
    /// </summary>
    public void Show_Effect(Actor target, float effectLifeTime = 5f, CCData ccdata = null)
    {
        InGameInfo.Ins.Show_SkillTypeEffect(m_ProjectTileData, target, effectLifeTime, ccdata);
    }
    public virtual void Set_Shooter(Actor _shoter) { if (m_ProjectTileData != null) m_ProjectTileData.shooter = _shoter; }
    protected void Check_TargetBoss()
    {
        if (m_ProjectTileData != null)
        {
            if (!m_ProjectTileData.target.IsRole(eRole.Boss) || m_ProjectTileData.target.transform.localScale.x <= 2f)
            {
                var enemies = Get_Enemies(transform, 8f);
                var boss = enemies.Find(f => f.IsRole(eRole.Boss) || f.transform.localScale.x > 2f);
                if (boss != null)
                    m_ProjectTileData.target = boss;
            }
        } 
    }
    public ProjectileData Get_ProjectTileData() { return m_ProjectTileData; }
    DamageInfo Get_SkillDamage()
    {
        var dinfo = m_ProjectTileData.shooter.Get_DamageInfo(m_ProjectTileData, m_ProjectTileData.Get_SkillDamagePercent(),
            m_ProjectTileData.CC_AddVal2 > 0 && m_ProjectTileData.m_SkillListTableData.e_Skill == eEffect.Skill_IceBolt && 
            m_ProjectTileData.target.IsSkillExtraStatus(eSkillExtraType.Frost));
        dinfo.act_returnLastDmg = act_returnDmg;
        dinfo.act_AfterFreezing = act_afterFreezing;
        return dinfo;
    }
    protected DamageInfo Get_NewDamageInfo() 
    {
        return m_ProjectTileData.IsSkill() ? Get_SkillDamage() : m_ProjectTileData.shooter.Get_DamageInfo(m_ProjectTileData);
    }
    protected DamageInfo Get_DamageInfo(bool extradmg = false, bool calcri = true)
    {
        m_DamageInfo.Damage = m_DamageInfo.BaseDmg;
        m_DamageInfo.bExtraDmg = extradmg;
        if (calcri) m_DamageInfo.Cal_Cri(m_ProjectTileData.shooter.m_AttackType, m_ProjectTileData.shooter.Get_StatInfo());
        return m_DamageInfo;
    }
    protected bool IsStep(int _step)
    {
        var sdata = m_ProjectTileData.shooter.Get_ServerData();
        if (!DSUtil.CheckNull(sdata))
        {
            if (m_ProjectTileData.shooter.IsRole(eRole.PC))
                return sdata.Get_SkillAwakenLv(m_ProjectTileData.m_SkillListTableData.n_SkillID) >= _step;
            else
                return sdata.Get_PetSkillAwakenLv(m_ProjectTileData.shooter.Get_ID()) >= _step;
        }
        return false;
    }
    protected Actor Get_NearstEnemy(float dist = 20f)
    { return ActorInfo.Ins.Get_Nearest_EnemyActor_orNull(m_ProjectTileData.shooter.IsEnemy(), transform.position, dist); }
    protected List<Actor> Get_Enemies()
    { return ActorInfo.Ins.Get_EnemyActors(m_ProjectTileData.shooter.IsEnemy(), transform.position); }
    protected List<Actor> Get_Enemies(Transform tf, float dist)
    {
#if UNITY_EDITOR
        if (UnityEngine.SceneManagement.SceneManager.GetActiveScene().name == "StatTest")
            return new List<Actor> { MainToStatTest.Ins.actors[1] };
#endif
        return ActorInfo.Ins.Get_EnemyActors(m_ProjectTileData.shooter.IsEnemy(), tf.position, dist);
    }

    protected void Show_HitEffect(bool effectbyHit, Actor target)
    {
        if (!DSUtil.CheckNull(m_ProjectTileData) && !string.IsNullOrEmpty(str_HitEffect))
            InGameInfo.Ins.Show_Effect(str_HitEffect, Get_HitEffectPos(effectbyHit, target));
    }
    Vector3 Get_HitEffectPos(bool effectbyHit, Actor target)
    {
        if (DSUtil.CheckNull(target)) effectbyHit = false;
        return effectbyHit ? target.Get_Center_position() : transform.position;
    }

    protected virtual void Off(bool forceoff = false)
    {
        if (forceoff || !m_Pierce) gameObject.SetActive(false);
        if (!bFirstLoad)           Show_HitEffect(false, null);
    }
    protected IEnumerator Co_Off(float delay)
    {
        yield return new WaitForSeconds(delay);
        Off(true);
    }

    /// <summary>
    /// 포물선 움직임
    /// </summary>
    /// <param name="journeyTime">시작위치에서 종료위치까지 도달하는 시간, 값이 높을수록 느리게 간다.</param>
    /// <param name="reduceHeight">Center값을 줄이기, 해당 값이 높을수록 포물선의 높이는 낮아진다.</param>
    /// <returns></returns>
    protected IEnumerator Co_Move_Split(Action _actreach, Vector3 startpos, Vector3 targetpos, float journeyTime = 1.0f, float reduceHeight = 0.25f)
    {
        float startTime = Time.time;

        while (true)
        {
            Vector3 center = (startpos + targetpos) * 0.5f; //Center 값만큼 위로 올라간다.
            center -= new Vector3(0, 1f * reduceHeight, 0); //y값을 높이면 높이가 낮아진다.
            Vector3 riseRelCenter = startpos - center;
            Vector3 setRelCenter = targetpos - center;
            float fracComplete = (Time.time - startTime) / journeyTime;
            transform.position = Vector3.Slerp(riseRelCenter, setRelCenter, fracComplete);
            transform.position += center;

            if (fracComplete >= 1f)
            {
                _actreach?.Invoke();
                break;
            }
            yield return null;
        }
    }
    protected IEnumerator Co_Move_Strait(eProjectileStrait direction)
    {
        while (m_ProjectTileData.LifeTime > 0f)
        {
            if (DSUtil.CheckNull(m_ProjectTileData.shooter)) break;
            if (direction == eProjectileStrait.Forward)
                transform.Translate(m_ProjectTileData.Speed * Time.deltaTime * Vector3.forward);
            else
                transform.Translate(m_ProjectTileData.Speed * Time.deltaTime * Vector3.down);

            m_ProjectTileData.LifeTime -= Time.deltaTime;
            yield return null;
        }

        Off(true);
    }

    protected virtual void OnTriggerEnter(Collider other) { ProcessCollider(other); }
    protected virtual void OnCollisionEnter(Collision collision) { ProcessCollider(collision.collider); }
    public virtual bool ProcessCollider(Collider other, bool Off_byHit = true)
    {
        switch (other.tag)
        {
            case "Player":
            case "Pet":
            case "Mob":
            case "Summon":
                if (DSUtil.CheckNull(m_ProjectTileData)) break;

                var hitter = other.GetComponent<Actor>();
                if (m_ProjectTileData.shooter.IsEnemy() != hitter.IsEnemy())
                {
                    hitter.Get_Damage(Get_DamageInfo());
                    m_ProjectTileData.Action_OnHit?.Invoke(hitter);
                    Show_HitEffect(true, hitter);
                    if (Off_byHit) Off(false);
                    return true;
                }
                break;
        }
        return false;
    }

    public void Set_Checkers()
    {
        var chekers = GetComponentsInChildren<ProjectileHitChecker>(true);
        for (int i = 0; i < chekers.Length; i++)
            chekers[i].Set(this);
    }
    public void Set_CheckersSize(float addsize)
    {
        var chekers = GetComponentsInChildren<ProjectileHitChecker>(true);
        for (int i = 0; i < chekers.Length; i++)
            chekers[i].Set_Size(addsize);
    }

    protected float Get_AwakenData(int step, int index)
    {
        var data = table_skillawakenconfig.Ins.Get_Data_orNull(m_ProjectTileData.m_SkillListTableData.n_SkillID, step);
        if (DSUtil.CheckNull(data))
            return 0f;

        switch (index)
        {
            case 1: return data.f_ExtraValue1;
            case 2: return data.f_ExtraValue2;
            case 3: return data.f_ExtraValue3;
            default: return 0f;
        }
    }
    protected int Get_FairyCount(eEffect _effect)
    {
        return m_ProjectTileData.shooter.Get_SelectSkill(_effect) ? 4 : 1;
    }

#if UNITY_EDITOR
    protected void Add_AwakendLv(int lv)
    {
        if (m_ProjectTileData.shooter.IsRole(eRole.PC))
            for (int i = 0; i < lv; i++)
                m_ProjectTileData.shooter.Get_ServerData().Add_SkillAwakenLv(m_ProjectTileData.m_SkillListTableData.n_SkillID);
        else if (m_ProjectTileData.shooter.IsRole(eRole.Pet))
            m_ProjectTileData.shooter.Get_ServerData().Add_PetLv(m_ProjectTileData.shooter.Get_ID(), lv * 15);
    }
#endif
}