import logging
import sys
from logging.handlers import RotatingFileHandler
from pathlib import Path

def setup_logging(log_level: str = "INFO"):
    """Настройка логирования"""
    log_dir = Path("logs")
    log_dir.mkdir(exist_ok=True)
    
    # Формат логов
    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S"
    )
    
    # Консольный handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(formatter)
    
    # Файловый handler
    file_handler = RotatingFileHandler(
        log_dir / "app.log",
        maxBytes=10 * 1024 * 1024,  # 10MB
        backupCount=5
    )
    file_handler.setFormatter(formatter)
    
    # Root logger
    root_logger = logging.getLogger()
    root_logger.setLevel(log_level)
    root_logger.addHandler(console_handler)
    root_logger.addHandler(file_handler)
    
    return root_logger