import os
import json
import re
from config import MODEL

try:
    from groq import Groq
except Exception:
    Groq = None


def init_groq_client():
    api_key = os.getenv("GROQ_API_KEY")
    if not api_key or Groq is None:
        return None
    return Groq(api_key=api_key)


def ask_groq_for_matches(system, user, model=MODEL):
    client = init_groq_client()
    if not client:
        raise RuntimeError("Groq client not initialized.")

    resp = client.chat.completions.create(
        model=model,
        messages=[
            {"role": "system", "content": system},
            {"role": "user", "content": user},
        ],
    )

    content = resp.choices[0].message.content or ""
    match = re.search(r"(\[\s*\{[\s\S]*?\}\s*\])", content)
    if not match:
        raise RuntimeError("No JSON array found.")
    return json.loads(match.group(1))