import pandas as pd
from datetime import datetime, timedelta
import logging

logger = logging.getLogger(__name__)

def upcoming_amc_devices(df):
    """Identify devices with upcoming AMC expiries."""
    logger.info("Processing AMC expiries...")
    try:
        df["amc_expiry"] = pd.to_datetime(df["amc_expiry"])
        today = datetime.now()
        threshold = today + timedelta(days=14)
        amc_df = df[df["amc_expiry"] <= threshold][["equipment", "amc_expiry"]]
        logger.info(f"Found {len(amc_df)} devices with upcoming AMC expiries.")
        return amc_df
    except Exception as e:
        logger.error(f"Failed to process AMC expiries: {e}")
        raise