from enum import IntEnum


class InverterBrand(IntEnum):
    SMA = 1
    DELTA = 2

    @property
    def label(self):
        return {
            self.SMA: 'SMA',
            self.DELTA: 'Delta',
        }[self]

    @classmethod
    def default_value(cls):
        return cls.SMA.value

    @classmethod
    def all(cls):
        return [cls.SMA, cls.DELTA]

    @classmethod
    def dict(cls):
        return {cls.SMA.label: cls.SMA.value, cls.DELTA.label: cls.DELTA.value}