import datetime


class ReportPublicFunsUtils:
    @staticmethod
    def get_time_range_month(type=None):
        """
            获取当月一号到当前时间的时间区间
        :param type 1 :y m d 2: y m d : s m m
        :return:
        """
        now_time = datetime.datetime.now()
        year = now_time.year
        month = now_time.month
        month = str(month) if month > 9 else '0' + str(month)
        first_day_of_month = str(year) + '-' + month
        if type:
            return [first_day_of_month + '-01 00:00:00', ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d %M:%I:%S')]
        else:
            return [first_day_of_month + '-01', ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d')]

    @staticmethod
    def before_day():
        now_time = datetime.datetime.now()
        pre_time = now_time + datetime.timedelta(days=-1)
        return pre_time

    @staticmethod
    def get_prd_day(type=None):
        if type:
            return [ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d %M:%I:%S'), ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d %M:%I:%S')]
        else:
            return [ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d'), ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d')]

    @staticmethod
    def get_all_time_data_range(type=None):
        if type:
            return ['2020-02-18 00:00:00', ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d %M:%I:%S')]
        else:
            return ['2020-02-18', ReportPublicFunsUtils.before_day().strftime('%Y-%m-%d')]

    @staticmethod
    def get_montho_day():
        now = datetime.datetime.now()
        month = now.month
        day = now.day - 1
        return '{}月{}日'.format(month, day)

    @staticmethod
    def get_month():
        now = datetime.datetime.now()
        return str(now.month)

    @staticmethod
    def get_pre_day():
        now = datetime.datetime.now()
        return str(now.day - 1)

    @staticmethod
    def add(a=None, b=None):
        """
            求和
        :param a:
        :param b:
        :return:
        """
        if a and b:
            return a + b
        elif a and not b:
            return a
        elif b and not a:
            return b
        return 0


if __name__ == '__main__':
    print(ReportPublicFunsUtils.get_prd_day())