from enum import Enum


class JammingPolicy(Enum):
    FREQUENCY_MODULATION = "噪声调频"
    AMPLITUDE_MODULATION = "噪声调幅"
    REPEATER = "噪声直放"
    VELOCITY_DECEPTION = "速度多假目标"
    RANGE_DECEPTION = "距离多假目标"

    @classmethod
    def is_valid(cls, value):
        return any(value == item.value for item in cls)


class AntiJammingPolicy(Enum):
    FREQUENCY_AGILITY = "频率捷变"
    WAVEFORM_AGILITY = "波形捷变"
    POLARIZATION_FILTER = "自适应极化滤波"

    @classmethod
    def is_valid(cls, value):
        return any(value == item.value for item in cls)