import datetime

time_periods = {
    1: {"period_name": "一、二节", "start_time": "08:00:00", "end_time": "09:30:00"},
    2: {"period_name": "三、四节", "start_time": "10:00:00", "end_time": "11:30:00"},
    3: {"period_name": "五、六节", "start_time": "14:30:00", "end_time": "16:00:00"},
    4: {"period_name": "七、八节", "start_time": "16:30:00", "end_time": "18:00:00"}
}


def check_now_time():
    # 获取当前时间
    current_time = datetime.datetime.now().time()

    # 遍历time_periods的每个时间段
    for period_id, period_info in time_periods.items():
        start_time = datetime.datetime.strptime(period_info["start_time"], "%H:%M:%S").time()
        end_time = datetime.datetime.strptime(period_info["end_time"], "%H:%M:%S").time()

        # 检查当前时间是否在时间段内
        if start_time <= current_time <= end_time:
            return period_id, period_info["period_name"]

    # 如果当前时间不在任何一个时间段内
    return None, "当前不在任何课程时间段内"