#pragma once

#include "weakptr.h"

namespace MetaData
{
    struct Equip;
    struct Skill;
}

namespace cs
{
    struct CMJoin;
}

class Room;
class Buff;
class Creature;

struct AddItemDTO
{
    int uniid = 0;
    int item_id = 0;
    int count = 0;
    int item_level = 0;
    const mt::Equip* item_meta = nullptr;
    bool handled = false;
};

struct BulletCheckResult
{
    float flyed_distance = 0.0f;
    int c_hit_num = 0;
    int t_hit_num = 0;
    int o_hit_num = 0;
    bool eat = false;
    std::set<Entity*> objects;
};

class ITask
{
 public:
    virtual void Update(int delta_time) = 0;
    virtual bool IsDone() = 0;
};

class DelayAddBuffHandle
{
public:
    std::function<void(Creature*)> pre_add_cb;
    std::function<void(Creature*, int)> post_add_cb;
};

struct Position
{
    void SetX(float x) { loc_.x = x; };
    void SetY(float y) { loc_.y = y; };
    void SetZ(float z) { loc_.z = z; };
    float GetX() const { return loc_.x; };
    float GetY() const { return loc_.y; };
    float GetZ() const { return loc_.z; };

    float Distance2D2(const Position& pos) const;
    float DistanceGlmVec3(const glm::vec3& v) const;
    float ManhattanDistance2D(const Position& target_pos) const;
    glm::vec3 CalcDir(const Position& target_pos) const;

    void FromGlmVec3(const glm::vec3 v) { loc_ = v; };

    glm::vec3 ToGlmVec3() const { return loc_; };

    const Position& AddGlmVec3(const glm::vec3& v) { loc_ += v; return *this; };

private:
    glm::vec3 loc_ = glm::vec3(0.0, 0.0, 0.0);
};

class IBullet
{
 public:
    virtual const Position& GetPos() = 0;
    virtual float GetStrengthenWall() = 0;
    virtual long long GetWeaponUniId() = 0;
    virtual const mt::Skill* GetSkillMeta() = 0;
    virtual const mt::Equip* GetGunMeta() = 0;
    virtual const mt::Equip* GetBulletMeta() = 0;
    virtual CreatureWeakPtr GetSender() = 0;
    virtual CreatureWeakPtr GetPassenger() = 0;
    virtual bool IsBomb() = 0;
    virtual bool IsPreBattleBullet() = 0;
    virtual Room* GetRoom() = 0;
    virtual float GetHitRadius() = 0;
};