import clr

clr.AddReference('System')
from System import DateTime, TimeSpan, Convert


class Duration:
    time_span: TimeSpan

    def __init__(self, *args, **kwargs):
        if len(args) == 1:
            if args[0] is Duration:
                self.time_span = args[0]
            else:
                raise ValueError("Invalid arguments for Duration initialization")
        else:
            raise ValueError("Invalid arguments for Duration initialization")

    @staticmethod
    def from_seconds(second: int):
        return Duration(TimeSpan.FromSeconds(second))

    @staticmethod
    def from_minutes(minute: int):
        return Duration(TimeSpan.FromMinutes(minute))

    @staticmethod
    def from_hours(hour: int):
        return Duration(TimeSpan.FromHours(hour))

    def __lt__(self, other):
        return self.time_span < other.time_span

    def __le__(self, other):
        return self.time_span <= other.time_span

    def __eq__(self, other):
        return self.time_span == other.time_span

    def __ne__(self, other):
        return self.time_span != other.time_span

    def __gt__(self, other):
        return self.time_span > other.time_span

    def __ge__(self, other):
        return self.time_span >= other.time_span


class Time:
    struct_time: DateTime

    def __init__(self, *args, **kwargs):
        if len(args) == 0:
            self.struct_time = DateTime.Now
        elif len(args) == 1:
            print(type(args[0]))
            if args[0] is str:
                self.struct_time = Convert.ToDateTime(args[0])
            else:
                self.struct_time = args[0]
        else:
            raise ValueError("Invalid arguments for Time initialization")

    def __lt__(self, other):
        return self.struct_time < other.struct_time

    def __le__(self, other):
        return self.struct_time <= other.struct_time

    def __eq__(self, other):
        return self.struct_time == other.struct_time

    def __ne__(self, other):
        return self.struct_time != other.struct_time

    def __gt__(self, other):
        return self.struct_time > other.struct_time

    def __ge__(self, other):
        return self.struct_time >= other.struct_time

    def __add__(self, other: Duration):
        return Time(self.struct_time + other.time_span)

    def __sub__(self, other: 'Time'):
        return TimeSpan(self.struct_time - other.struct_time)