import logging
import sys
from pathlib import Path
from wechat_auto.config import settings


def setup_logger(name: str = "wechat_auto") -> logging.Logger:
    logger = logging.getLogger(name)
    
    if logger.handlers:
        return logger
    
    logger.setLevel(getattr(logging, settings.log_level.upper()))
    
    formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )
    
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    
    try:
        file_handler = logging.FileHandler(settings.log_file)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)
    except Exception as e:
        logger.warning(f"无法创建日志文件: {e}")
    
    return logger


logger = setup_logger()