#pragma once

#include "core/Core.hpp"
#include "JSON.hpp"

#include "Transport.hpp"
#include "Chunking.hpp"
#include "Entities.hpp"

#include <map>
#include <unordered_map>
#include <vector>
#include <set>

#define RESURRECT_HEIGHT 400

typedef void (*NPCEventHandler)(CombatNPC*);

struct NPCEvent {
    int32_t npcType;
    AIState triggerState;
    NPCEventHandler handler;

    NPCEvent(int32_t t, AIState tr, NPCEventHandler hndlr)
        : npcType(t), triggerState(tr), handler(hndlr) {}
};

namespace NPCManager {
    extern std::unordered_map<int32_t, BaseNPC*> NPCs;
    extern std::map<int32_t, WarpLocation> Warps;
    extern std::vector<WarpLocation> RespawnPoints;
    extern std::vector<NPCEvent> NPCEvents;
    extern nlohmann::json NPCData;
    extern int32_t nextId;
    void init();

    void queueNPCRemoval(int32_t);
    void destroyNPC(int32_t);
    void updateNPCPosition(int32_t, int X, int Y, int Z, uint64_t I, int angle);

    void sendToViewable(Entity* npc, void* buf, uint32_t type, size_t size);

    BaseNPC *summonNPC(int x, int y, int z, uint64_t instance, int type, bool respawn=false, bool baseInstance=false);

    BaseNPC* getNearestNPC(std::set<Chunk*>* chunks, int X, int Y, int Z);
}