# Copyright 2025 The TensorFlow Authors. All Rights Reserved.
#
# 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,
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"""Factory to provide model configs."""

from official.legacy.detection.configs import maskrcnn_config
from official.legacy.detection.configs import olnmask_config
from official.legacy.detection.configs import retinanet_config
from official.legacy.detection.configs import shapemask_config
from official.modeling.hyperparams import params_dict


def config_generator(model):
  """Model function generator."""
  if model == 'retinanet':
    default_config = retinanet_config.RETINANET_CFG
    restrictions = retinanet_config.RETINANET_RESTRICTIONS
  elif model == 'mask_rcnn':
    default_config = maskrcnn_config.MASKRCNN_CFG
    restrictions = maskrcnn_config.MASKRCNN_RESTRICTIONS
  elif model == 'olnmask':
    default_config = olnmask_config.OLNMASK_CFG
    restrictions = olnmask_config.OLNMASK_RESTRICTIONS
  elif model == 'shapemask':
    default_config = shapemask_config.SHAPEMASK_CFG
    restrictions = shapemask_config.SHAPEMASK_RESTRICTIONS
  else:
    raise ValueError('Model %s is not supported.' % model)

  return params_dict.ParamsDict(default_config, restrictions)
