// ─── Golem Combat Pipeline ─────────────────────────────────────────────────────
// Extracts golem combat setup from gameStore.ts tick()
// to keep the coordinator under the 400-line file limit.

import { useCombatStore } from '../combatStore';
import { useManaStore } from '../manaStore';
import { processGolemRoomDuration } from '../golem-combat-actions';
import type { ActiveGolem } from '../../types';

export interface GolemCombatContext {
  addLog: (msg: string) => void;
  ctx: {
    combat: {
      currentFloor: number;
      currentRoom: { roomType: string; unknown: Array<{ name: string }> };
    };
    prestige: { signedPacts: number[] };
  };
  rawMana: number;
  elements: Record<string, { current: number; max: number; unlocked: boolean }>;
  maxMana: number;
}

export interface GolemCombatResult {
  rawMana: number;
  elements: Record<string, { current: number; max: number; unlocked: boolean }>;
}

/**
 * Build the golem combat pipeline for the current tick.
 * Returns golem state needed by processCombatTick.
 */
export function buildGolemCombatPipeline(_addLog: (msg: string) => void): {
  activeGolems: ActiveGolem[];
  golemApplyDamageToRoom: (dmg: number) => { floorHP: number; floorMaxHP: number; roomCleared: boolean };
} {
  const activeGolems = useCombatStore.getState().golemancy?.activeGolems ?? [];

  const golemApplyDamageToRoom = (dmg: number) => {
    const cs = useCombatStore.getState();
    if (dmg > 0) {
      const newFloorHP = Math.max(0, cs.floorHP - dmg);
      useCombatStore.setState({ floorHP: newFloorHP });
    }
    const roomCleared = useCombatStore.getState().floorHP <= 0;
    return { floorHP: cs.floorHP, floorMaxHP: cs.floorMaxHP, roomCleared };
  };

  return { activeGolems, golemApplyDamageToRoom };
}