"""
标准日志模块：统一管理 info / warning / error 输出
"""

import logging
import sys

_logger = None


def get_logger(name="military_digest"):
    """获取或创建全局 logger 实例"""
    global _logger
    if _logger is not None:
        return _logger

    _logger = logging.getLogger(name)
    _logger.setLevel(logging.INFO)

    fmt = logging.Formatter(
        "%(asctime)s [%(levelname)s] %(message)s",
        datefmt="%H:%M:%S",
    )

    handler = logging.StreamHandler(sys.stdout)
    handler.setFormatter(fmt)
    _logger.addHandler(handler)

    return _logger