"""项目统一日志工具。"""

import logging
import os
from logging.handlers import RotatingFileHandler


def get_project_logger(name: str) -> logging.Logger:
    """返回统一配置的日志实例，避免重复添加处理器。"""
    logger = logging.getLogger(name)
    if logger.handlers:
        return logger

    os.makedirs("logs", exist_ok=True)

    logger.setLevel(logging.INFO)
    logger.propagate = False

    formatter = logging.Formatter(
        "%(asctime)s | %(name)s | %(levelname)s | %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )

    file_handler = RotatingFileHandler(
        "logs/project.log",
        maxBytes=10 * 1024 * 1024,
        backupCount=5,
        encoding="utf-8",
    )
    file_handler.setFormatter(formatter)
    file_handler.setLevel(logging.INFO)

    console_handler = logging.StreamHandler()
    console_handler.setFormatter(formatter)
    console_handler.setLevel(logging.INFO)

    logger.addHandler(file_handler)
    logger.addHandler(console_handler)

    return logger