Mana-Loop/src/lib/game/effects/discipline-effects.ts

// ─── Discipline Effects ───────────────────────────────────────────────────────
// Computes bonuses from active disciplines and integrates with the unified effect system

import type { GameState } from '../types';
import { useDisciplineStore } from '../stores/discipline-slice';
import { ALL_DISCIPLINES } from '../data/disciplines';
import { calculateStatBonus, getUnlockedPerks } from '../utils/discipline-math';

export function computeDisciplineEffects(state: GameState): {
  bonuses: Record<string, number>;
  multipliers: Record<string, number>;
  specials: Set<string>;
} {
  const { disciplines } = useDisciplineStore.getState();
  const activeDiscs = Object.entries(disciplines)
    .filter(([, disc]) => disc && !disc.paused)
    .map(([id, disc]) => ({ id, disc, def: ALL_DISCIPLINES.find(d => d.id === id) }))
    .filter((entry): entry is { id: string; disc: any; def: NonNullable<typeof ALL_DISCIPLINES[0]> } => !!entry.def);

  const bonuses: Record<string, number> = {};
  const multipliers: Record<string, number> = {};
  const specials = new Set<string>();

  for (const { disc, def } of activeDiscs) {
    // Continuous stat bonus
    const statBonus = calculateStatBonus(def.statBonus.baseValue, disc.xp, def.scalingFactor);
    if (def.statBonus.stat) {
      bonuses[def.statBonus.stat] = (bonuses[def.statBonus.stat] || 0) + statBonus;
    }

    // Perk unlocks
    const perks = getUnlockedPerks(def, disc.xp);
    for (const perk of perks) {
      if (perk.type === 'once' || perk.type === 'infinite') {
        // Once/infinite perks can be treated as additive bonuses or special flags
        // For simplicity, we add them as a special flag; actual effect depends on perk.id
        specials.add(perk.id);
      } else if (perk.type === 'capped') {
        // Capped perks act as multipliers after certain thresholds
        // For now, we treat them as additive to a multiplier stat (example)
        // In a real implementation, each perk would have a specific effect.
        // Here we just add a generic perk multiplier placeholder.
        multipliers[`perk_${perk.id}`] = (multipliers[`perk_${perk.id}`] || 1) + perk.value / 100;
      }
    }
  }

  return { bonuses, multipliers, specials };
}