import logging
import os

def setup_logger(log_file='app.log', log_level=logging.DEBUG):
    # 로거 생성
    logger = logging.getLogger("MainLogger")
    logger.setLevel(log_level)

    # 기존 핸들러 제거
    if logger.hasHandlers():
        logger.handlers.clear()

    # 콘솔 핸들러 설정
    console_handler = logging.StreamHandler()
    console_handler.setLevel(log_level)
    console_format = logging.Formatter('[%(levelname)s] %(message)s')
    console_handler.setFormatter(console_format)

    # 파일 핸들러 설정
    log_file_path = os.path.join(os.getcwd(), log_file)
    file_handler = logging.FileHandler(log_file_path, encoding="utf-8")
    file_handler.setLevel(log_level)
    file_format = logging.Formatter('%(asctime)s - %(name)s - [%(levelname)s] - %(message)s')
    file_handler.setFormatter(file_format)

    # 핸들러 추가
    logger.addHandler(console_handler)
    logger.addHandler(file_handler)
    
    return logger