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# SPDX-License-Identifier: Apache-2.0
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# Licensed under the Apache License, Version 2.0 (the "License");
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# http://www.apache.org/licenses/LICENSE-2.0
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import attrs
from hydra.core.config_store import ConfigStore


@attrs.define(slots=False)
class EMAConfig:
    """
    Config for the EMA.
    """

    enabled: bool = False  # deactivated by default for inference.
    rate: float = 0.1
    iteration_shift: int = 0


PowerEMAConfig: EMAConfig = EMAConfig(
    enabled=True,
    rate=0.10,
    iteration_shift=0,
)

InferenceEMAConfig: EMAConfig = EMAConfig(
    enabled=False,
)


def register_ema() -> None:
    cs = ConfigStore.instance()
    cs.store(group="ema", package="model.config.ema", name="power", node=PowerEMAConfig)