import json
from datetime import datetime
from pathlib import Path

LOG_PATH = Path("logs/mcp_log.jsonl")
LOG_PATH.parent.mkdir(parents=True, exist_ok=True)

def log_mcp_entry(agent_id: str, user_query: str, response: str, model_name: str, base_url: str):
    entry = {
        "timestamp": datetime.utcnow().isoformat(),
        "agent_id": agent_id,
        "user_query": user_query,
        "response": response,
        "model_name": model_name,
        "base_url": base_url
    }
    with open(LOG_PATH, "a", encoding="utf-8") as f:
        f.write(json.dumps(entry) + "\n")