"use client"

let utterance: SpeechSynthesisUtterance | null = null

export async function speak(
  text: string,
  _rate = 0.85,
): Promise<void> {
  return new Promise((resolve) => {
    stopSpeaking()

    const u = new SpeechSynthesisUtterance(text)
    u.lang = "es-AR"
    u.rate = _rate

    u.onend = () => resolve()
    u.onerror = () => resolve()

    utterance = u
    speechSynthesis.speak(u)
  })
}

export function stopSpeaking(): void {
  if (utterance) {
    speechSynthesis.cancel()
    utterance = null
  }
}