import time
import logging
from typing import Optional
from app.database import pool

logger = logging.getLogger(__name__)

async def track_usage(
    user_id:  str,
    action:   str,
    store_id: Optional[str] = None,
    tokens:   int   = 0,
    duration: float = 0
):
    try:
        async with pool.acquire() as conn:
            await conn.execute(
                """INSERT INTO usage_stats
                   (user_id, store_id, action, tokens, duration)
                   VALUES ($1, $2, $3, $4, $5)""",
                user_id, store_id, action, tokens, round(duration, 3)
            )
    except Exception as e:
        logger.error(f"Tracking Fehler: {e}")