import { Director } from "./director";
import { useOfficeStore } from "@/store/office-store";
import { liveConnect, liveDisconnect } from "@/gateway/live";

let director = new Director();
let running = false;

export function getDirector() {
  return director;
}

/** Switch between the scripted simulation and the live transcript feed. */
export function setMode(mode: "sim" | "live") {
  const S = useOfficeStore.getState();
  if (S.mode === mode) return;
  S.clearWorld();
  S.setMode(mode);
  if (mode === "sim") {
    liveDisconnect();
    director = new Director();
  } else {
    liveConnect();
  }
}

/** Single rAF loop: advances the store clock/movements, then the director's FSMs. */
export function startRuntime() {
  if (running) return;
  running = true;

  let last = performance.now();
  const frame = (now: number) => {
    const raw = Math.min((now - last) / 1000, 0.1);
    last = now;
    const S = useOfficeStore.getState();
    if (!S.paused) {
      const dt = raw * S.speed;
      S.tick(dt);
      if (S.mode === "sim") director.update(dt);
    }
    requestAnimationFrame(frame);
  };
  requestAnimationFrame(frame);
}