"""Execute production LFG re-entry path, including native denial and retry pacing."""
from pathlib import Path
import subprocess, tempfile
root = Path(__file__).resolve().parents[2]
s = (root/'src/server/game/World/AdventureEncounterMgr.cpp').read_text()
a = s.index('bool AdventureEncounterMgr::FollowIntoInstance(')
b = s.index('    AreaTriggerEntry const* entrance=', a)
# The physical-portal fallback is independent: exercise the complete browser
# branch and its real prerequisites without fabricating world/graph geometry.
code = r'''
#include <cassert>
#include <ctime>
#include <unordered_map>
using uint32=unsigned;
#define TC_LOG_INFO(...) ((void)0)
namespace GameTime{time_t now=100;time_t GetGameTime(){return now;}}
struct Guid{unsigned id;unsigned GetCounter(){return id;}};
struct Map{bool dungeon=false;bool IsDungeon(){return dungeon;}};
struct Player;
struct Ref{Player*p;Ref*following=nullptr;Player*GetSource(){return p;}Ref*next(){return following;}};
struct Group{bool lfg=true;Ref*first=nullptr;bool isLFGGroup(){return lfg;}Ref*GetFirstMember(){return first;}Guid GetGUID(){return {9};}}group;
struct Session{Player*p;bool bot=true;unsigned acks=0;bool IsClientless(){return bot;}void CompleteClientlessTeleport();};
struct Player{unsigned id,map=0,instance=0;bool combat=false,pending=false,alive=true;Map terrain;Session session{this};
 bool IsInCombat(){return combat;}bool IsBeingTeleported(){return pending;}bool IsAlive(){return alive;}
 Group*GetGroup(){return &group;}Guid GetGUID(){return {id};}unsigned GetMapId(){return map;}unsigned GetInstanceId(){return instance;}
 Session*GetSession(){return &session;}Map*GetMap(){return &terrain;}
};
void Session::CompleteClientlessTeleport(){++acks;p->pending=false;p->map=645;p->instance=3;}
struct Dungeon{int map=645;}dungeon;
struct LFG{bool present=true,allowed=true;unsigned attempts=0;unsigned GetDungeon(Guid g){assert(g.id==9);return 123;}
 Dungeon*GetLFGDungeon(unsigned id){assert(id==123);return present?&dungeon:nullptr;}
 void TeleportPlayer(Player*p,bool out){assert(!out);++attempts;if(allowed)p->pending=true;}
}lfg;auto sLFGMgr=&lfg;
struct AdventureEncounterMgr{std::unordered_map<unsigned,time_t>_entryAttempts;bool mixed=true;
 bool MixedGroup(Player*){return mixed;}bool FollowIntoInstance(Player*);
};
''' + s[a:b] + '    return false;\n}\n' + r'''
int main(){
 Player bot{121},human{6};human.session.bot=false;human.map=645;human.terrain.dungeon=true;
 Ref h{&human};group.first=&h;AdventureEncounterMgr mgr;
 // Native LFG denial is respected; no administrator teleport bypass.
 lfg.allowed=false;assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==1&&bot.map==0&&bot.session.acks==0);
 assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==1);GameTime::now+=2;
 assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==1);++GameTime::now;
 lfg.allowed=true;assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==2&&bot.map==645&&bot.instance==3&&bot.session.acks==1&&!bot.pending);
 // Missing/mismatched native dungeon data cannot silently choose a portal.
 bot.map=0;GameTime::now+=3;lfg.present=false;assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==2);
 lfg.present=true;human.map=36;assert(mgr.FollowIntoInstance(&bot)&&lfg.attempts==2);human.map=645;
 bot.combat=true;assert(!mgr.FollowIntoInstance(&bot));bot.combat=false;
 bot.pending=true;assert(!mgr.FollowIntoInstance(&bot));bot.pending=false;
 human.terrain.dungeon=false;assert(!mgr.FollowIntoInstance(&bot));human.terrain.dungeon=true;
 mgr.mixed=false;assert(!mgr.FollowIntoInstance(&bot));mgr.mixed=true;
 group.lfg=false;assert(!mgr.FollowIntoInstance(&bot));assert(lfg.attempts==2);
}
'''
with tempfile.TemporaryDirectory() as directory:
    p=Path(directory);(p/'test.cpp').write_text(code)
    subprocess.run(['c++','-std=c++17',str(p/'test.cpp'),'-o',str(p/'test')],check=True)
    subprocess.run([str(p/'test')],check=True)
print('Instance browser re-entry: native group selection, denial, 3s retry, clientless ACK and combat/transfer guards PASS')