# ---------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# ---------------------------------------------------------

from typing import Union

from azure.ai.ml._restclient.v2022_10_01_preview.models import NlpSweepSettings as RestNlpSweepSettings
from azure.ai.ml._restclient.v2022_10_01_preview.models import SamplingAlgorithmType
from azure.ai.ml.entities._job.sweep.early_termination_policy import EarlyTerminationPolicy
from azure.ai.ml.entities._mixins import RestTranslatableMixin


# pylint: disable=protected-access
class NlpSweepSettings(RestTranslatableMixin):
    """Sweep settings for all AutoML NLP tasks."""
    def __init__(
            self,
            *,
            sampling_algorithm: Union[str, SamplingAlgorithmType],
            early_termination: EarlyTerminationPolicy = None,
    ):
        self.sampling_algorithm = sampling_algorithm
        self.early_termination = early_termination

    def _to_rest_object(self) -> RestNlpSweepSettings:
        return RestNlpSweepSettings(
            sampling_algorithm=self.sampling_algorithm,
            early_termination=self.early_termination._to_rest_object()
            if self.early_termination else None,
        )

    @classmethod
    def _from_rest_object(cls, obj: RestNlpSweepSettings) -> "NlpSweepSettings":
        return cls(
            sampling_algorithm=obj.sampling_algorithm,
            early_termination=EarlyTerminationPolicy._from_rest_object(obj.early_termination)
            if obj.early_termination else None
        )

    def __eq__(self, other: object) -> bool:
        if not isinstance(other, NlpSweepSettings):
            return NotImplemented

        return (
            self.sampling_algorithm == other.sampling_algorithm
            and self.early_termination == other.early_termination
        )

    def __ne__(self, other: object) -> bool:
        return not self.__eq__(other)
