'use strict';
/* Headless smoke test: runs the engine without a browser. */
const fs=require('fs'),path=require('path'),vm=require('vm');
const ctx={console,Math,Date,JSON,Object,Array,Set,Map,Number,String,Boolean,RegExp,parseInt,parseFloat,isFinite,NaN,Infinity,undefined};
ctx.globalThis=ctx;
vm.createContext(ctx);
const dir=path.join(__dirname,'..','js');
for(const f of ['util.js','data.js','game.js','match.js']){
  vm.runInContext(fs.readFileSync(path.join(dir,f),'utf8'),ctx,{filename:f});
}
const t=(name,cond)=>{if(!cond){console.error('❌ FAIL:',name);process.exitCode=1;}else console.log('✔',name);};

let out=vm.runInContext(`
(function(){
  const log=[];
  Game.newWorld('normal');
  log.push('teams='+Object.keys(G.teams).length+' players='+Object.keys(G.players).length+' staffPool='+Object.keys(G.staff).length+' events='+G.calendar.length);
  // sanity: every team has 5-man lineup
  let badLineup=[...Object.values(G.teams)].filter(t=>t.lineup.length!==5).map(t=>t.name);
  log.push('badLineups='+JSON.stringify(badLineup));
  Game.startWithTeam('t0'); // NAVI
  const meId=G.playerTeamId;
  // register everything
  G.calendar.forEach(e=>{const r=Game.registerEvent(e.id);});
  // fast-forward two years
  let userMatches=0,eventsDone=0,champs={},errors=[];
  for(let i=0;i<760;i++){
    try{
      const fx=Game.advanceOneDay();
      if(fx){
        userMatches++;
        const ev=fx.evId?G.calendar.find(e=>e.id===fx.evId):null;
        MatchEngine.simulate(fx,ev);
      }
    }catch(e){errors.push(i+':'+e.stack.split(String.fromCharCode(10)).slice(0,3).join(' | '));}
  }
  eventsDone=G.calendar.filter(e=>e.status==='done').length;
  G.calendar.forEach(e=>{if(e.champion)champs[e.name]=Game.team(e.champion).tag;});
  const me=Game.team(meId);
  log.push('userMatches='+userMatches+' eventsDone='+eventsDone);
  log.push('myRank=#'+(G.ranking.indexOf(meId)+1)+' pts='+Math.round(me.ratingPts)+' money='+Math.round(G.money)+' fans='+G.fans+' board='+Math.round(G.board));
  log.push('season='+G.season+' newsCount='+G.news.length);
  log.push('champSample='+JSON.stringify(Object.fromEntries(Object.entries(champs).slice(0,6))));
  log.push('errors='+JSON.stringify(errors));
  // stats sanity for star player
  const star=me.lineup.map(id=>G.players[id]).filter(Boolean).sort((a,b)=>b.seasonStats.maps-a.seasonStats.maps)[0];
  log.push('star='+(star?star.nick+' maps='+star.seasonStats.maps+' rating='+(star.seasonStats.maps?(star.seasonStats.ratingSum/star.seasonStats.maps).toFixed(2):'n/a'):'none (empty lineup)'));
  // transfer mechanics
  const faId=G.freeAgents[0];
  G.money=5000000;
  const r1=Game.signFreeAgent(faId,wageDemand(Game.p(faId),G)*1.2,3,100000);
  log.push('signFA='+r1.ok+':'+r1.msg.slice(0,40));
  // interactive session test vs weakest AI team
  const weakest=Object.values(G.teams).filter(x=>x.id!==meId).sort((a,b)=>a.ratingPts-b.ratingPts)[0];
  const fx={id:'testfx',a:meId,b:weakest.id,bo:3,day:G.day};
  const before=me.ratingPts;
  const S=SimSession.start(fx,null);
  let guard=0;
  while(S.phase==='veto'||S.phase==='pregame'){SimSession.vetoAction([...S.veto.pool][0]);if(guard++>20)break;}
  SimSession.beginMap(0);
  guard=0;
  while(S.phase!=='done'&&guard++<800){
    if(S.phase==='intermission')SimSession.beginMap(S.results.length);
    else if(S.awaiting==='buy')SimSession.chooseBuy(S.cur.fund[S.userId]>=11800?'full':'eco');
    else if(S.awaiting==='tactic')SimSession.chooseTactic(['aggr','default','patient','fake'][guard%4]);
    else if(S.awaiting==='next')SimSession.nextRound();
  }
  log.push('simMode: phase='+S.phase+' score='+S.scoreA+'-'+S.scoreB+' maps='+S.results.map(r=>r.map+' '+r.sa+'-'+r.sb).join(', '));
  // save/load round-trip
  const snap=Game.serialize();
  Game.staticLoad(snap);
  log.push('saveRoundTrip='+(G.playerTeamId===meId&&Object.keys(G.players).length>100?'OK':'BROKEN'));
  return log.join('\\n');
})()
`,ctx);
console.log(out);