# mt_spider/logger.py
import os
import logging
from logging.handlers import TimedRotatingFileHandler

LOG_DIR = os.path.join(os.path.dirname(__file__), '..', 'logs')
os.makedirs(LOG_DIR, exist_ok=True)

def setup_logger(name: str = "pdd_spider"):
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    fmt = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')

    console = logging.StreamHandler()
    console.setFormatter(fmt)

    file_handler = TimedRotatingFileHandler(
        filename=os.path.join(LOG_DIR, f'{name}.log'),
        when='midnight',
        interval=1,
        encoding='utf-8',
        backupCount=0  # 不删除历史
    )
    file_handler.suffix = "%Y-%m-%d"
    file_handler.setFormatter(fmt)

    if not logger.handlers:          # 防止重复
        logger.addHandler(console)
        logger.addHandler(file_handler)
    return logger