# agent/llm.py
from typing import List, Dict, Any
import requests

from .config import settings

class DeepSeekClient:
    def __init__(
        self,
        api_key: str | None = None,
        base_url: str | None = None,
        model: str | None = None,
    ):
        self.api_key = api_key or settings.deepseek_api_key
        self.base_url = base_url or settings.deepseek_base_url
        self.model = model or settings.model

    def complete(self, messages: List[Dict[str, Any]]) -> str:
        """
        messages: liste de dicts {role: 'system'|'user'|'assistant', content: str}
        Retourne content (str) du premier choix.
        """
        if not self.api_key:
            return "Erreur côté agent : DEEPSEEK_API_KEY manquant dans l'environnement backend."

        url = f"{self.base_url}/v1/chat/completions"
        headers = {
            "Authorization": f"Bearer {self.api_key}",
            "Content-Type": "application/json",
        }
        payload = {
            "model": self.model,
            "messages": messages,
            "temperature": settings.temperature,
        }

        resp = requests.post(url, headers=headers, json=payload, timeout=60)
        resp.raise_for_status()
        data = resp.json()
        print("DeepSeek response:", data)
        return data["choices"][0]["message"]["content"]