// Strategie-Durchspiel: prüft, was das Modell belohnt und bestraft.
// Beantwortet: Funktioniert "Panzer-Rush" (alles sofort bauen)? Braucht man
// Rücklagen für die einmaligen Entscheidungs-Karten (Skirennen …)? Was
// passiert bei Preis-Extremen? Winter-only vs. Ganzjahr in Szene 3?
//   node tests/strategien.mjs
import { createState, simulateDay, canPlace, place, MAP_COLS, MAP_ROWS } from '../js/model.js';
import { BUILDINGS, MILESTONES, DECISIONS } from '../js/data.js';

function fireMilestones(s, fired) {
  for (const m of MILESTONES) {
    if (fired.has(m.id)) continue;
    if (!m.when(s)) continue;
    fired.add(m.id);
    const unlocks = Array.isArray(m.unlock) ? m.unlock : [m.unlock];
    unlocks.forEach(u => s.unlocked.add(u));
    m.apply?.(s);
  }
}

// Entscheidungs-Karten wie im Spiel: einmalig, Ja nur wenn leistbar.
function handleDecisions(s, st) {
  for (const d of DECISIONS) {
    if (s.firedEvents.has(d.id)) continue;
    if (!d.when(s)) continue;
    s.firedEvents.add(d.id);
    st.offered.push(d.id);
    if (!d.yes.can || d.yes.can(s)) { d.yes.apply(s); st.taken.push(d.id); }
    else { st.missed.push(`${d.id} (Tag ${s.day}, nur ${s.money} €)`); d.no.apply(s); }
  }
}

function findSpot(s, type) {
  for (let r = MAP_ROWS - 1; r >= 0; r--) {
    for (let c = 0; c < MAP_COLS; c++) {
      if (canPlace(s, type, c, r).ok) return { c, r };
    }
  }
  return null;
}

function run(name, sceneId, days, buildFn, priceFn) {
  const s = createState(sceneId);
  const fired = new Set();
  const st = { offered: [], taken: [], missed: [], minMoney: s.money, lossDays: 0 };
  for (let d = 1; d <= days; d++) {
    fireMilestones(s, fired);
    buildFn(s, d);
    if (priceFn) s.price = priceFn(s, d);
    simulateDay(s);
    handleDecisions(s, st);
    st.minMoney = Math.min(st.minMoney, s.money);
    if (s.lastNet < 0) st.lossDays++;
    if (!Number.isFinite(s.money)) { console.error(name, 'NaN Tag', d); process.exit(1); }
  }
  const goals = s.scenario.goals.filter(g => g.check(s)).length;
  console.log(
    `${name.padEnd(22)} Geld ${String(s.money).padStart(8)} € · min ${String(st.minMoney).padStart(7)} € `
    + `· maxG ${String(s.stats.maxGuests).padStart(3)} · maxSo ${String(s.stats.maxSummerGuests).padStart(3)} `
    + `· Zufr ${s.satisfaction} % · Natur ${Math.round(s.nature)} % · Ziele ${goals}/${s.scenario.goals.length} `
    + `· Verlusttage ${st.lossDays} · Geb. ${s.buildings.length}`);
  if (st.missed.length) console.log(`  ⚠️ verpasste Chancen: ${st.missed.join(' · ')}`);
  return { s, st };
}

const QUEUE = ['restaurant', 'lift', 'access', 'hotel', 'staffhouse',
  'restaurant', 'lift', 'snow'];

function queueBuilder(queue, reserve = 0) {
  const q = [...queue];
  return s => {
    if (!q.length) return;
    const type = q[0];
    if (!BUILDINGS[type] || s.money - BUILDINGS[type].cost < reserve) return;
    const spot = findSpot(s, type);
    if (spot) { place(s, type, spot.c, spot.r); q.shift(); }
  };
}

// Panzer-Rush: baut JEDEN Tag alles, was geht (freigeschaltet + leistbar).
function rushBuilder() {
  return s => {
    let built = true;
    while (built) {
      built = false;
      for (const type of Object.keys(BUILDINGS)) {
        if (!s.unlocked.has(type)) continue;
        const spot = findSpot(s, type);
        if (spot) { place(s, type, spot.c, spot.r); built = true; break; }
      }
    }
  };
}

console.log('=== SZENE 1 · Pionierzeit, 600 Tage ===');
run('Referenz (Plan)', 'pionierzeit', 600, queueBuilder(QUEUE));
run('Panzer-Rush', 'pionierzeit', 600, rushBuilder());
run('Rücklage 8000 €', 'pionierzeit', 600, queueBuilder(QUEUE, 8000));
run('Geizhals (2 Geb.)', 'pionierzeit', 600, queueBuilder(['restaurant', 'lift']));
run('Preis 45 € (Abzocke)', 'pionierzeit', 600, queueBuilder(QUEUE), () => 45);
run('Preis 15 € (Dumping)', 'pionierzeit', 600, queueBuilder(QUEUE), () => 15);

console.log('\n=== SZENE 3 · Schneegrenze 2035, 600 Tage ===');
run('Nur Winter ausbauen', 'klimawandel', 600,
  queueBuilder(['gondola', 'snow', 'snow', 'staffhouse', 'hotel', 'restaurant']));
run('Ganzjahres-Strategie', 'klimawandel', 600,
  queueBuilder(['badesee', 'sled', 'trail', 'staffhouse', 'hotel', 'bikepark', 'playground', 'bikerental']));
run('Rush Klimawandel', 'klimawandel', 600, rushBuilder());