import { useEffect, useState } from 'react';
import { getPlayerDuration, getPlayerTime, subscribePlayerTime } from './player-time';

/**
 * Position + duration, straight off the engine's per-frame feed.
 *
 * A scrubber genuinely wants every frame, so — unlike the lyrics — this does re-render at 60fps. Keep it
 * in the smallest component that draws the bar: whatever calls this hook repaints with it.
 */
export const usePlayerClock = () => {
  const [clock, setClock] = useState(() => ({ position: getPlayerTime(), duration: getPlayerDuration() }));

  useEffect(() => subscribePlayerTime((position, duration) => setClock({ position, duration })), []);

  return clock;
};