#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# 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.

import paddle.fluid as fluid
from data_reader import data_reader


def create_data(cfgs, direction='AtoB', eval_mode=False):
    if eval_mode == False:
        mode = 'TRAIN'
    else:
        mode = 'EVAL'
    reader = data_reader(cfgs, mode=mode)
    data, id2name = reader.make_data(direction)
    loader = fluid.io.DataLoader.from_generator(
        capacity=4, iterable=True, use_double_buffer=True)

    loader.set_batch_generator(
        data,
        places=fluid.CUDAPlace(0)
        if cfgs.use_gpu else fluid.cpu_places())  ### fluid.cuda_places()
    return loader, id2name


def create_eval_data(cfgs, direction='AtoB'):
    return create_data(cfgs, eval_mode=True)