#pragma once

#include "weakptr.h"
#include "weapon.h"

namespace MetaData
{
    struct Player;
    struct Equip;
    struct Dress;
    struct Skill;
    struct Tank;
    struct Buff;
}

namespace cs
{
    class MFBuff;
}

struct RemoveBuffCbConext
{
    list_head** next;
    list_head entry;
};

class Human;
class Creature;
struct EventHandlerPtr;
struct xtimer_list;
class Buff
{
 public:
    int buff_uniid = 0;
    Creature* owner = nullptr;
    MetaData::Buff* meta = nullptr;
    MetaData::Skill* skill_meta = nullptr;
    a8::XTimerAttacher xtimer_attacher;
    long long add_frameno = 0;
    list_head effect_entry;
    list_head depend_entry;
    list_head cond_entry;
    list_head on_remove_contexts;
    xtimer_list* remover_timer = nullptr;

    Buff();
    void Init();
    void UnInit();
    int GetLeftTime();
    int GetLastingTime();
    bool NeedSync(Human* hum);
    void FillMFBuff(cs::MFBuff* buff_pb);
    bool FreezeOperate();
    CreatureWeakPtr& GetCaster();
    void SetCaster(Creature* caster);

    void ProcOnceChgAttr();
    void ProcDelayAddBuff();
    void ProcIntervalAddBuff();
    void ProcBatchAddBuff();
    void ProcSummonHero();
    void ProcBeRecycle();
    void ProcBecome();
    void ProcRemoveBecome();
    void ProcDriver();
    void ProcRemoveDriver();
    void ProcPassenger();
    void ProcRemovePassenger();
    void ProcSprint();
    void ProcSeletTargetWithSelfPos();
    void ProcTurnOver();
    void ProcPullToWalkable();
    void ProcAutoShot();
    void ProcBeatBack();
    void ProcDisperse();
    void ProcDive();
    void ProcRemoveDive();
    void ProcInWater();
    void ProcRemoveInWater();
    void ProcReserve();
    void ProcReserveMove();
    void ProcMachineGun();
    void ProcRemoveMachineGun();
    void ProcHoldShield();
    void ProcRemoveHoldShield();
    void ProcHide();
    void ProcRemoveHide();
    void ProcRescuer();
    void ProcRemoveRescuer();

    void CalcPassengerShotOffset();

private:
    void InternalTimerAddBuff();
    void RecoverHoldWeapons();
    void ClearEventHandlers();

private:
    int hold_curr_weapon_idx_ = 0;
    std::list<Weapon> hold_weapons_;
    std::list<std::weak_ptr<EventHandlerPtr>> event_handlers_;
    CreatureWeakPtr caster_;
};