using Spine.Unity;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Serialization;

public enum IFF { Our, Enemy }
public enum DamageType { None, Fixed, Rate, RateHP, Bomb }

public class Character : MonoBehaviour
{
    public enum State { HP_Change, AH_Change, Mana_Change, Inventory, EquipItem, Status, ActiveItem }
    public EventConnect ec = new EventConnect();

    [HideInInspector]
    public MapManager map;

    public string NAME = "";
    CharacterData data;
    [Space(10)]
    public IFF iff = IFF.Our;
    public bool ALL_HIT = false;
    public Collider hitBox;

    [HideInInspector]
    public int layerEnemy = 0;
    private void Awake()
    {
        map = (MapManager)FindObjectOfType(typeof(MapManager));

        skill = GetComponent<Skill>();
        motion = GetComponent<Motion>();
        statusEffect = GetComponent<StatusEffect>();
    }
    private void Start()
    {
        tag = $"{iff}";
        //gameObject.layer = LayerMask.NameToLayer($"{(iff)}");

        layerEnemy = ALL_HIT ? LayerMask.NameToLayer($"HitAll") : LayerMask.NameToLayer($"Hit{(iff == IFF.Our ? IFF.Enemy : IFF.Our)}");
        hitBox.gameObject.layer = LayerMask.NameToLayer($"{(iff)}");
        gameObject.tag = $"{(iff)}";

        if (matHP30Down != null)
        {
            matHP30Down_Copy = new Material(matHP30Down);
            matHP30Down_Copy.SetTexture("_MainTex", mainTexture);
            scvHP30Down.Init(matHP30Down_Copy);
        }

        matHit_Copy = new Material(matHit);
        matHit_Copy.SetTexture("_MainTex", mainTexture);

        if (matHitResist != null)
        {
            matHitResist_Copy = new Material(matHitResist);
            matHitResist_Copy.SetTexture("_MainTex", mainTexture);
        }

        matHide_Copy = new Material(matHide);
        matHide_Copy.SetTexture("_MainTex", mainTexture);
        scvHide.Init(matHide_Copy);
    }

    Collider col;
    void OnCollider(bool ON)
    {
        if (col == null)
            col = GetComponent<Collider>();

        col.enabled = ON;
    }
    /// <summary>
    /// 캐릭터의 초기화를 진행합니다
    /// </summary>
    /// <param name="HP"></param>
    /// <param name="HP_Max"></param>
    public void OnInitialized(int HP, int HP_Max)
    {
        if(HP == 0)
        {
            if (data == null)
                data = DataManager.Instance.dataMonster.DataGet(NAME);

            HP = HP_Max = data.HP;

            ATK = data.ATK;
            DLAATK = data.DLA_ATK;

            SPDMOVE = data.SPD_MOVE;
            motion.RunMotionTimeScaleChanged(data.MOVE_TIME_SCALE);
        }

        statusEffect.OnInitialized();//생성했을때 상태이상 초기화

        this.HP_Max = HP_Max;
        ec.Invoke((int)State.HP_Change, this.HP = HP);

        OnCollider(true);
        Material_Restore();

        OnDefense = null;
        hitBox.gameObject.SetActive(true);

        Show_Start();
    }

    //public void ProjectileCreate(Projectile projectile, Vector3 dir)
    //{
    //    if (projectile != null)
    //    {
    //        projectile.spdMovePer = SPDATK_PER;
    //        projectile.OnInitialized(this, layerEnemy, dir, RANGE);
    //    }
    //}

    [Space(10)]
    public int ATK = 1;
    /// <summary>
    /// 캐릭터의 공격력이 변경 되어 이를 적용합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <param name="ADD"></param>
    public void ATKChanged(int value, bool ADD = true)
    {
        if (ADD)
            ATK += value;
        else
            ATK = value;

        ec.Invoke((int)Character.State.Status, null);
    }
    public float ATK_PER = 1f;
    /// <summary>
    /// 캐릭터의 공경력 % 가 변경 되어 이를 적용합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <param name="ADD"></param>
    public void ATKRateChanged(float value, bool ADD = true)
    {
        if (ADD)
            ATK_PER += value;
        else
            ATK_PER = value;

        ec.Invoke((int)Character.State.Status, null);
    }
    /// <summary>
    /// 현재 데미지를 계산합니다.
    /// </summary>
    /// <returns></returns>
    public int CalculateATK()
    {
        return (int)(ATK * ATK_PER);
    }

    [Space(10)]
    public float SPDATK_PER = 1f;
    [System.Serializable]
    public class SpeedAttackEvent : UnityEvent<float> { }
    [FormerlySerializedAs("onSpeedAttacked")]
    [SerializeField]
    [Space(10)]
    private SpeedAttackEvent onSpeedAttacked = new SpeedAttackEvent();
    /// <summary>
    /// 공격 모션의 속도가 변경 되어 이를 적용합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <param name="ADD"></param>
    public void SpeedAttackChanged(float value, bool ADD = true)
    {
        if (ADD)
            SPDATK_PER += value;
        else
            SPDATK_PER = value;

        onSpeedAttacked.Invoke(SPDATK_PER);

        ec.Invoke((int)Character.State.Status, null);
    }

    [Space(10)]
    public float DLAATK = 0;
    public float DLAATK_PER = 1f;
    public float DLAATK_MIN = 0.2f;
    //[System.Serializable]
    //public class DelayAttackEvent : UnityEvent<float, bool> { }
    //[FormerlySerializedAs("onDelayAttacked")]
    //[SerializeField]
    //[Space(10)]
    //private DelayAttackEvent onDelayAttacked = new DelayAttackEvent();
    /// <summary>
    /// 공격 후 딜레이가 변경되어 이를 적용합니다.
    /// </summary>
    /// <param name="add"></param>
    /// <param name="RATE"></param>
    public void DelayAttackChanged(float add, bool RATE = true)
    {
        if (RATE)
        {
            DLAATK_PER += add;
            //onDelayAttacked.Invoke(DLAATK_PER, RATE);
        }
        else
        {
            DLAATK = add;
            //onDelayAttacked.Invoke(DLAATK, RATE);
        }

        //ec.Invoke((int)Character.State.Status, null);
    }
    /// <summary>
    /// 현재 후 딜레이를 계산합니다.
    /// </summary>
    /// <returns></returns>
    public float CalculateAttackDelay()
    {
        float apply = DLAATK * DLAATK_PER;
        apply = apply < DLAATK_MIN ? DLAATK_MIN : apply;
        return apply;
    }

    [Space(10)]
    public float RANGE = 0;
    //[System.Serializable]
    //public class RangeEvent : UnityEvent<float, bool> { }
    //[FormerlySerializedAs("onRangeed")]
    //[SerializeField]
    //[Space(10)]
    //private RangeEvent onRangeed = new RangeEvent();
    /// <summary>
    /// 사거리가 변경 되어 이를 적용합니다.
    /// </summary>
    /// <param name="add"></param>
    /// <param name="RATE"></param>
    public void RangeChanged(float add, bool RATE)
    {
        if (RATE)
        {
            RANGE += add;
            //onRangeed.Invoke(DLAATK_PER, RATE);
        }
        else
        {
            RANGE = add;
            //onRangeed.Invoke(DLAATK, RATE);
        }

        //ec.Invoke((int)Character.State.Status, null);
    }

    [Space(10)]
    public float SPDMOVE = 40;//기본 이동 속도, 캐릭터 마다 다름
    public float SPDMOVE_PER = 1f;
    [System.Serializable]
    public class SpeedMoveEvent : UnityEvent<float> { }
    [FormerlySerializedAs("onSpeedMoveed")]
    [SerializeField]
    [Space(10)]
    private SpeedMoveEvent onSpeedMoveed = new SpeedMoveEvent();
    /// <summary>
    /// 이동 속도가 변경되어 이를 적용합니다.
    /// </summary>
    /// <param name="add"></param>
    public void SpeedMoveChanged(float add)
    {
        SPDMOVE_PER += add;
        onSpeedMoveed.Invoke(SPDMOVE_PER);

        ec.Invoke((int)Character.State.Status, null);
    }
    /// <summary>
    /// 현재 이동속도를 계산합니다.
    /// </summary>
    /// <returns></returns>
    public float CalculateMoveSpeed()
    {
        float spdMoveApply = SPDMOVE * SPDMOVE_PER;
        return spdMoveApply < 60 ? spdMoveApply : 60;
    }

    int LIFE_MAX = 20;
    public bool LifeMaxCheck()
    {
        return HP_Max + AH <= LIFE_MAX;
    }
    [Space(10)]
    public int HP = 3;
    public bool DieCheck()
    {
        return HP < 1;
    }
    public int HP_Max = 4;
    /// <summary>
    /// HP 에 데미지를 적용합니다.
    /// </summary>
    /// <param name="Damage"></param>
    public void CalculateHP(int Damage)
    {
        if (0 < AH)
        {
            AH -= Damage;
            Damage = AH < 0 ? -AH : 0;
        }

        HP -= Damage;
    }
    /// <summary>
    /// HP 가 회복 가능한 상태인지 확인합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <returns></returns>
    public bool RestoreCheck(int value)
    {
        return HP < HP_Max;
    }
    /// <summary>
    /// HP 를 회복합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <returns></returns>
    public bool Restore(int value)
    {
        if (HP < HP_Max)
        {
            HP += value;
            HP = HP_Max < HP ? HP_Max : HP;

            ec.Invoke((int)State.HP_Change, HP);

            return true;
        }

        return false;
    }
    /// <summary>
    /// HP 를 최대 HP 의 % 로 회복합니다.
    /// </summary>
    /// <param name="value"></param>
    /// <returns></returns>
    public bool Restore_MaxRate(float value)
    {
        HP += (int)(HP_Max * value);
        HP = HP_Max < HP ? HP_Max : HP;

        Material_Restore();

        ec.Invoke((int)State.HP_Change, HP);

        return true;
    }

    private void OnDisable()
    {
        //scvHide.isPlay = false;
        scvHide.Stop();
    }

    public int AH = 0;
    /// <summary>
    /// 아머하트가 변경되어 이를 적용합니다.
    /// </summary>
    /// <param name="value"></param>
    public void OnChanged_ArmorHeart(int value)
    {
        AH = value;

        ec.Invoke((int)State.HP_Change, 0);
    }
    /// <summary>
    /// 아머하트가 회복 가능한지 확인합니다.
    /// </summary>
    /// <param name="add"></param>
    /// <returns></returns>
    public bool ArmorHeartCheck(int add)
    {
        int MAX = LIFE_MAX - HP_Max;
        return AH + add <= MAX;
    }
    /// <summary>
    /// 아머하트를 회복합니다.
    /// </summary>
    /// <param name="add"></param>
    /// <returns></returns>
    public bool OnAdded_ArmorHeart(int add)
    {
        int MAX = LIFE_MAX - HP_Max;
        if (AH + add <= MAX)
        {
            AH = AH + add;
            ec.Invoke((int)State.HP_Change, HP);
            return true;
        }
        return false;
    }

    public int MANA = 0;
    public int MANA_MAX = 0;
    /// <summary>
    /// 마나 회복 가능한지 확인합니다.
    /// </summary>
    /// <returns></returns>
    public bool ManaCheck()
    {
        return MANA < MANA_MAX;
    }
    /// <summary>
    /// 마나를 회복 혹은 사용 합니다.
    /// </summary>
    /// <param name="add"></param>
    /// <returns></returns>
    public bool OnAdded_Mana(int add)
    {
        if (MANA + add <= MANA_MAX)
        {
            MANA += add;
            MANA = MANA_MAX < MANA ? MANA_MAX : MANA;
            ec.Invoke((int)State.Mana_Change, MANA);

            return true;
        }
        return false;
    }

    public System.Action<Character, Vector3> OnDie;//Character -> 때린 캐릭터
    public System.Action<Character, Vector3, float, bool, System.Action> OnHit;//Character -> 죽은 캐릭터
    public System.Action<Character> OnDefense;
    public System.Action<Character> OnResurrection;
    /// <summary>
    /// 공격을 받았으며 이를 처리합니다.
    /// HitBox.cs -> OnDamaged 에서 호출
    /// </summary>
    /// <param name="data"></param>
    public void Damaged(object data)
    {
        if (NO_DAMAGE)
            return;

        HitCheck hitCheck = (HitCheck)data;
        //if (hitCheck.owner == this && hitCheck.damageType != DamageType.Bomb)
        //    return;

        if (OnDefense != null)
        {
            Debug.LogWarning($"{name} 가 {((HitCheck)data).owner.name} 의 공격을 방어");

            System.Action<Character> OnDefenseTmp = OnDefense;
            OnDefense = null;

            OnDefenseTmp(((HitCheck)data).owner);

            return;
        }

        //회피 스킬이 있는 경우, 회피율 확인
        if (skill.Active("Hit", "Flee") != null)
        {
            Debug.LogWarning($"{name} 가 {hitCheck.owner.name} 의 공격을 회피");
        }
        else
        {
            Damaged_Process(hitCheck);
        }
    }
    [Space(10)]
    public SoundPlayer spHit;
    public SoundPlayer spDie;
    /// <summary>
    /// 캐릭터가 받은 데미지를 적용합니다.
    /// </summary>
    /// <param name="attacker">공격한 캐릭터</param>
    void Damaged_Process(HitCheck attacker)
    {
        if (spHit != null)
            SoundManager.Instance.EffectPlay(spHit.gameObject);

        Character owner = attacker.owner;

        int damage = 0;
        switch(attacker.damageType)
        {
            case DamageType.None:
                damage = owner.CalculateATK();
                break;
            case DamageType.Fixed://고정 데미지
                damage = (int)attacker.damageValue;
                break;
            case DamageType.Rate://배율 데미지
                damage = (int)(owner.CalculateATK() * attacker.damageValue);
                break;
            case DamageType.RateHP://HP 비율
                {
                    if (iff == IFF.Enemy)
                        damage = (int)(HP * attacker.damageValue);
                    else if (iff == IFF.Our)
                        damage = 1;//플레이어는 HP 방식이 다름
                }
                break;
            case DamageType.Bomb://폭탄 데미지
                {
                    if (iff == IFF.Enemy)
                        damage = (int)attacker.damageValue;
                    else if (iff == IFF.Our)
                        damage = 1;//플레이어는 HP 방식이 다름
                }
                break;
        }

        Damage_Added(ref damage);

        //if (iff == owner.iff)
        //{
        //    if (iff == IFF.Enemy)
        //        damage = 150;
        //    else if (iff == IFF.Our)
        //        damage = 1;//플레이어는 HP 방식이 다름
        //}

        Vector3 dir = -(attacker.transform.position - transform.position).normalized;

        Damage_Apply(damage, owner, dir, 0, false, () =>
        {
            List<SkillData> list = owner.skill.SkillList_Trigger("HitEnd");

            for (int i = 0; i < list.Count; i++)
            {
                if (list[i].Activate("HitEnd"))
                {
                    switch (list[i].work)
                    {
                        case "StatusEffect":
                            {
                                statusEffect.Add(list[i]);
                            }
                            break;
                    }
                }
            }
        });
    }
    void Damage_Added(ref int damage)
    {
        float mag = 1;

        StatusEffect.Data data = statusEffect.Check("Freeze");//상태이상:빙결 효과 걸린 상태에서 맞게되면 추가 데미지
        if (data != null)
            mag += data.skill.value;

        //Debug.LogWarning($"추가데미지 : {damage} * {mag}");

        damage = (int)(damage * mag);

        //Debug.LogWarning($"최종데미지 : {damage}");
    }
    public void Damage_Apply(int damage, Character attacker, Vector3 knockBackDir, float knockBackAddRate, bool MOTION_FORCE, System.Action OnEnd)
    {
        CalculateHP(damage);//데미지 적용
        ec.Invoke((int)State.HP_Change, 0);

        if (DieCheck())
        {
            NO_DAMAGE = true;
            hitBox.gameObject.SetActive(false);
            OnLocked(true);//죽었음 행동 정지
            statusEffect.OnInitialized();//죽었을 경우, 상태이상 초기화

            bool SKILL = skill.Active("Die", null, active =>
            {
                switch (active.work)
                {
                    case "Resurrection"://몬스터 부활
                        {
                            motion.isSkill = true;
                            Restore_MaxRate(active.value);

                            motion.typeBefore = Motion.Type.AttackEnd;
                            motion.Play_Force(active.motion2, () =>
                            {
                                OnCollider(true);

                                motion.Play(Motion.Type.Idle, true);
                                Invoke("Resurrection", 0.5f);
                            });
                        }
                        break;
                }
            });

            //캐릭터 죽음
            if (OnDie != null && !SKILL)
            {
                if (spDie != null)
                    SoundManager.Instance.EffectPlay(spDie.gameObject);

                OnCollider(false);
                OnDie(this, Vector3.zero);
            }
        }
        else
        {
            Hit_Start(durationHit);//히트 이팩트 실행
            if (OnHit != null)
                OnHit(attacker, knockBackDir, knockBackAddRate, false, () =>
                {
                    if (OnEnd != null)
                        OnEnd();
                });
        }
    }

    /// <summary>
    /// 스킬 등에 의해 부활했을 경우 초기화를 진행합니다
    /// </summary>
    public void Resurrection()
    {
        NO_DAMAGE = false;
        motion.isSkill = false;

        OnDefense = null;
        hitBox.gameObject.SetActive(true);

        gameObject.SetActive(true);

        OnLocked(false);

        OnResurrection(this);
    }

    [Space(10)]
    public Motion motion;
    [Space(10)]
    public Skill skill;
    [Space(10)]
    public StatusEffect statusEffect;
    [Space(5)]
    public bool STUN = false;

    [Space(10)]
    public List<DropItemData> drops;
    void DropInitialized()
    {
        for (int i = 0; i < drops.Count; i++)
            drops[i].Get();
    }

    [System.Serializable]
    public class LockEvent : UnityEvent<bool> { }
    [FormerlySerializedAs("onLocked")]
    [SerializeField]
    [Space(10)]
    private LockEvent onLocked = new LockEvent();
    /// <summary>
    /// 캐릭터의 행동을 제한 합니다.
    /// </summary>
    /// <param name="LOCK"></param>
    public void OnLocked(bool LOCK)
    {
        onLocked.Invoke(LOCK);
    }

    [System.Serializable]
    public class WarpEvent : UnityEvent<Vector3> { }
    [FormerlySerializedAs("onWarp")]
    [SerializeField]
    [Space(10)]
    private WarpEvent onWarp = new WarpEvent();
    /// <summary>
    /// 캐릭터를 해당 위치로 이동시킵니다.
    /// </summary>
    /// <param name="pos"></param>
    public void OnWarp(Vector3 pos)
    {
        onWarp.Invoke(pos);
    }

    /// <summary>
    /// 아이템을 습득했으므로 습득모션을 재생합니다.
    /// </summary>
    /// <param name="dropItem"></param>
    /// <param name="OnEvent"></param>
    public void OnGain(GameObject dropItem, System.Action OnEvent)
    {
        OnLocked(NO_DAMAGE = true);

        motion.Play(Motion.Type.AttackEnd);
        motion.Play(Motion.Type.Get, true, () =>
        {
            OnLocked(NO_DAMAGE = false);
        }, ev =>
        {
            OnEvent();
        }, true);
    }

    [Space(10)]
    public SkeletonAnimation skeletonAnimation;
    public Texture mainTexture;
    public Material matOrigin;

    [Space(5)]
    public bool USE_HP30DOWN = true;
    public float hpDownRate = 0.2f;
    public ShaderControlValue scvHP30Down;
    public Material matHP30Down;
    Material matHP30Down_Copy;
    /// <summary>
    /// HP 의 % 에 따라 다른 효과를 적용합니다.
    /// </summary>
    public void Material_Restore()
    {
        if (USE_HP30DOWN && matHP30Down_Copy != null && HP < HP_Max * hpDownRate)
        {
            skeletonAnimation.CustomMaterialOverride[matOrigin] = matHP30Down_Copy;
            scvHP30Down.Play(true, true, null);
        }
        else
        {
            skeletonAnimation.CustomMaterialOverride.Remove(matOrigin);
            scvHP30Down.Play(false, false, null);
        }
    }
    [Space(5)]
    public Material matHit;
    Material matHit_Copy;
    public float durationHit = 0f;
    [System.Serializable]
    public class HitSyncEvent : UnityEvent<float> { }
    [FormerlySerializedAs("onHitSynced")]
    [SerializeField]
    private HitSyncEvent onHitSynced = new HitSyncEvent();

    [Space(5)]
    public Material matHitResist;
    Material matHitResist_Copy;
    public bool HIT_RESIST = false;
    public float durationHitResist = 0f;
    public bool NO_DAMAGE = false;
    [System.Serializable]
    public class ResistSyncEvent : UnityEvent<float> { }
    [FormerlySerializedAs("onResistSynced")]
    [SerializeField]
    private ResistSyncEvent onResistSynced = new ResistSyncEvent();

    /// <summary>
    /// 히트 이팩트를 시작합니다.
    /// </summary>
    /// <param name="duration"></param>
    public void Hit_Start(float duration)
    {
        if (duration == 0)
            return;

        CancelInvoke("Hit_End");

        skeletonAnimation.CustomMaterialOverride[matOrigin] = matHit_Copy;

        if (HIT_RESIST)
            NO_DAMAGE = true;

        Invoke("Hit_End", duration);//히트 이팩트 종료

        onHitSynced.Invoke(duration);//스파인, 어태치먼트의 경우 따로 적용해야함
    }
    /// <summary>
    /// 히트 이팩트를 종료하고 원상태로 되돌립니다
    /// </summary>
    void Hit_End()
    {
        //skeletonAnimation.CustomMaterialOverride.Remove(matOrigin);
        Material_Restore();

        //무적상태 적용
        if (HIT_RESIST)
        {
            skeletonAnimation.CustomMaterialOverride[matOrigin] = matHitResist_Copy;
            Invoke("HitResist_End", durationHitResist);

            onResistSynced.Invoke(durationHitResist);
        }
    }
    /// <summary>
    /// 무적상태를 종료합니다.
    /// </summary>
    void HitResist_End()
    {
        //skeletonAnimation.CustomMaterialOverride.Remove(matOrigin);
        Material_Restore();

        NO_DAMAGE = false;
    }

    [Space(10)]
    public ShaderControlValue scvHide;
    public Material matHide;
    Material matHide_Copy;
    /// <summary>
    /// 캐릭터가 죽었으므로 숨김이팩트를 시작합니다.
    /// </summary>
    public void Hide_Start()
    {
        skeletonAnimation.CustomMaterialOverride[matOrigin] = matHide_Copy;
        scvHide.Play();
    }
    public void Hide_End()
    {
        Debug.LogWarning($"Hide_End");
        //skeletonAnimation.CustomMaterialOverride.Remove(matOrigin);
        Material_Restore();

        gameObject.SetActive(false);
    }

    [Space(10)]
    public ShaderControlValue scvShow;
    public Material matShow;
    Material matShow_Copy;
    /// <summary>
    /// 캐릭터가 초기화 됐으면 맵에 나타나게 합니다.
    /// </summary>
    public void Show_Start()
    {
        return;

        if (scvShow != null)
        {
            if (matShow != null)
            {
                if (matShow_Copy == null)
                {
                    matShow_Copy = new Material(matShow);
                    matShow_Copy.SetTexture("_MainTex", mainTexture);
                    scvShow.Init(matShow_Copy);
                }

                skeletonAnimation.CustomMaterialOverride[matOrigin] = matShow_Copy;
                scvShow.Play();
            }
        }
    }
}