# Copyright The PyTorch Lightning team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import List, Optional, Sequence, Tuple, Union

from torch import Tensor
from torchmetrics.functional import roc as _roc

from pytorch_lightning.metrics.utils import deprecated_metrics


@deprecated_metrics(target=_roc)
def roc(
    preds: Tensor,
    target: Tensor,
    num_classes: Optional[int] = None,
    pos_label: Optional[int] = None,
    sample_weights: Optional[Sequence] = None,
) -> Union[Tuple[Tensor, Tensor, Tensor], Tuple[List[Tensor], List[Tensor], List[Tensor]]]:
    """
    .. deprecated::
        Use :func:`torchmetrics.functional.roc`. Will be removed in v1.5.0.
    """