import G from './state.js';
import { STAFF_TRAITS } from '../data/furniture.js';
import { clamp, chance, randi, choice, emit, toast } from '../util.js';

// ============================================================
// STAFF — hiring, daily work effects, loyalty, drama
// ============================================================

export function hireCandidate(candId) {
  const d = G.data;
  const cap = G.levelInfo().staffCap;
  if (d.staff.length >= cap) return { ok: false, reason: `Staff cap is ${cap}. Expand the shop!` };
  const idx = d.candidates.findIndex(c => c.id === candId);
  if (idx < 0) return { ok: false, reason: 'Candidate gone' };
  const c = d.candidates[idx];
  d.staff.push({ ...c, hiredDay: d.shop.day });
  d.candidates.splice(idx, 1);
  toast(`${c.name} joins as your ${c.role}! Say hi! 👋`, 'good', '🤝');
  emit('staffChanged');
  return { ok: true };
}

export function fireStaff(id) {
  const i = G.data.staff.findIndex(s => s.id === id);
  if (i < 0) return;
  const s = G.data.staff[i];
  G.data.staff.splice(i, 1);
  G.addRep(-1);
  toast(`${s.name} was let go. Word gets around… (-1 reputation)`, 'bad', '📦');
  // friends get sad
  for (const o of G.data.staff) o.loyalty = clamp(o.loyalty - 6, 5, 100);
  emit('staffChanged');
}

export function giveRaise(s) {
  s.salary = Math.round(s.salary * 1.15);
  s.loyalty = clamp(s.loyalty + 18, 0, 100);
  toast(`${s.name} beams — “Best boss ever!” (+loyalty)`, 'good', '🥰');
  emit('staffChanged');
}

// called each morning
export function staffMorning() {
  const d = G.data;
  for (const s of [...d.staff]) {
    // loyalty drift toward fairness
    const fairPay = 18 + s.skill * 0.42;
    if (s.salary < fairPay * 0.85) s.loyalty -= 2;
    else s.loyalty += 1;
    s.loyalty = clamp(s.loyalty + randi(-1, 1), 0, 100);

    // quit?
    if (s.loyalty < 22 && chance(0.5)) {
      d.staff.splice(d.staff.indexOf(s), 1);
      toast(`${s.name} packed up and QUIT! “I deserve better…”`, 'bad', '🚪');
      G.addRep(-0.5);
      continue;
    }
    // raise request
    if (s.loyalty < 45 && s.skill > 60 && chance(0.3)) {
      emit('raiseRequest', s);
    }
    // grumpy clashes
    const otherGrump = d.staff.find(o => o !== s && o.traits.includes('grumpy') && s.traits.includes('grumpy'));
    if (otherGrump && chance(0.25)) {
      toast(`${s.name} and ${otherGrump.name} argue about shelf organization… again.`, '', '😤');
      s.loyalty -= 1; otherGrump.loyalty -= 1;
    }
    if (s.traits.includes('sticky') && !s.traits.includes('honest') && chance(0.12)) {
      const loss = Math.min(G.gold, randi(4, 14));
      G.addGold(-loss);
      toast(`You catch ${s.name} pocketing ${loss}g from the till!`, 'bad', '🖐️');
    }
  }
  // friendship boosts between friendly folks
  const friendlies = d.staff.filter(s => s.traits.includes('friendly'));
  if (friendlies.length === d.staff.length && d.staff.length >= 2) {
    for (const s of friendlies) s.loyalty = clamp(s.loyalty + 1, 0, 100);
  }
}

// speed multiplier a role benefits from
export function traitSpeed(s) {
  let m = 1;
  for (const t of s.traits) m *= STAFF_TRAITS[t]?.speed ?? 1;
  return m;
}
export function traitSatBonus(s) {
  let b = 0;
  for (const t of s.traits) b += STAFF_TRAITS[t]?.satBonus ?? 0;
  return b;
}

// stocker auto-restock tick (during open hours)
let restockTimer = 0;
export function updateStocker(dtMin) {
  const stockers = G.staffByRole('stocker');
  if (!stockers.length || !G.shop.isOpen) return;
  restockTimer += dtMin;
  const interval = 30 / traitSpeed(stockers[0]);
  if (restockTimer < interval) return;
  restockTimer = 0;
  // move most-demanded item from storage to any shelf with room
  for (const [pid, lot] of Object.entries(G.data.inventory)) {
    if (lot.qty <= 0) continue;
    for (const f of G.shelves()) {
      const cap = f.type === 'table' ? 6 : f.type === 'pedestal' ? 1 : 12;
      const stock = G.data.shelfStock[f.id] ||= {};
      const used = Object.values(stock).reduce((a, b) => a + b, 0);
      if (used >= cap) continue;
      const move = Math.min(lot.qty, cap - used);
      lot.qty -= move;
      stock[pid] = (stock[pid] || 0) + move;
      if (lot.qty <= 0) delete G.data.inventory[pid];
      emit('stockChanged');
      return; // one box at a time — they're chill
    }
  }
}

// cleaner keeps beauty up (visual sparkle handled by gfx)
export function cleanerBonus() {
  const cleaners = G.staffByRole('cleaner');
  if (!cleaners.length) return 0;
  return Math.round(cleaners.reduce((a, c) => a + c.skill / 40, 0));
}