import os
import requests

OPENROUTER_API_KEY = os.getenv("OPENROUTER_API_KEY", "")

def transcribe_with_openrouter(audio_path):
    """Transcribe audio using OpenRouter API (speech-to-text)."""
    if not OPENROUTER_API_KEY:
        return "[No OpenRouter API key set]"
    url = "https://openrouter.ai/api/v1/audio/transcriptions"
    headers = {"Authorization": f"Bearer {OPENROUTER_API_KEY}"}
    files = {"file": open(audio_path, "rb")}
    data = {"model": "whisper-large-v3"}
    try:
        response = requests.post(url, headers=headers, files=files, data=data, timeout=60)
        response.raise_for_status()
        result = response.json()
        return result.get("text", "")
    except Exception as e:
        return f"[ASR API error: {e}]"