# scraper/logger.py
import logging
from io import StringIO

# In-memory buffer returned to web UI
LOG_BUFFER = StringIO()


def setup_logger():
    logger = logging.getLogger("bookscraper")
    logger.setLevel(logging.DEBUG)
    logger.handlers = []  # voorkomen dubbele handlers bij reload

    # Console handler
    ch = logging.StreamHandler()
    ch.setLevel(logging.DEBUG)
    ch.setFormatter(logging.Formatter("[%(levelname)s] %(message)s"))

    # Buffer handler for returning to UI
    mh = logging.StreamHandler(LOG_BUFFER)
    mh.setLevel(logging.DEBUG)
    mh.setFormatter(logging.Formatter("[%(levelname)s] %(message)s"))

    logger.addHandler(ch)
    logger.addHandler(mh)

    return logger