// Plays a soundboard entry to the local default audio output. Used when no
// call pipeline is active (the in-call path routes via the LiveKit
// publishing pipeline so peers hear; this path is local-only). Fetches the
// blob via getSoundBlob and creates a short-lived object URL for the audio
// element.

import { getSoundBlob, type SoundboardEntry } from './soundboardStorage';

const activeAudios = new Set<HTMLAudioElement>();

export async function playSoundboardLocal(entry: SoundboardEntry): Promise<void> {
  const blob = await getSoundBlob(entry.id);
  if (!blob) return;
  const src = URL.createObjectURL(blob);
  const el = new Audio(src);
  // Use the per-entry gain as local volume. SoundboardEntry exposes `gain`
  // (0..1) which mirrors the value used in the in-call pipeline.
  el.volume = Math.max(0, Math.min(1, entry.gain));
  activeAudios.add(el);
  const cleanup = () => {
    activeAudios.delete(el);
    URL.revokeObjectURL(src);
  };
  el.addEventListener('ended', cleanup);
  el.addEventListener('error', cleanup);
  try {
    await el.play();
  } catch (err) {
    cleanup();
    console.warn('soundboardLocalPlay failed', err);
  }
}

export function stopSoundboardLocal(): void {
  for (const el of activeAudios) {
    try {
      el.pause();
      el.currentTime = 0;
    } catch {
      /* ignore */
    }
  }
  activeAudios.clear();
}