import { TTSBackend } from "@/types/backend";

export async function openaiTTS(
  config: TTSBackend["openai_tts"],
  message: string,
) {
  const apiKey = config?.openai_tts_apikey;
  if (!apiKey) {
    throw new Error("Invalid OpenAI TTS API Key");
  }

  try {
    const res = await fetch(`${config.openai_tts_url}/v1/audio/speech`, {
      method: "POST",
      body: JSON.stringify({
        model: config.openai_tts_model,
        input: message,
        voice: config.openai_tts_voice,
      }),
      headers: {
        "Content-Type": "application/json",
        "Authorization": `Bearer ${apiKey}`,
      },
    });
    if (! res.ok) {
      console.error(res);
      throw new Error("OpenAI TTS API Error");
    }
    const data = (await res.arrayBuffer()) as any;

    return { audio: data };
  } catch (e) {
    console.error('ERROR', e);
    throw new Error("OpenAI TTS API Error");
  }
}