#!/usr/bin/env python

# Copyright 2019 Google LLC
#
# 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 argparse


# [START datalabeling_export_data_beta]
def export_data(dataset_resource_name, annotated_dataset_resource_name,
                export_gcs_uri):
    """Exports a dataset from the given Google Cloud project."""
    from google.cloud import datalabeling_v1beta1 as datalabeling
    client = datalabeling.DataLabelingServiceClient()

    gcs_destination = datalabeling.types.GcsDestination(
        output_uri=export_gcs_uri, mime_type='text/csv')

    output_config = datalabeling.types.OutputConfig(
        gcs_destination=gcs_destination)

    response = client.export_data(
        dataset_resource_name,
        annotated_dataset_resource_name,
        output_config
    )

    print('Dataset ID: {}\n'.format(response.result().dataset))
    print('Output config:')
    print('\tGcs destination:')
    print('\t\tOutput URI: {}\n'.format(
        response.result().output_config.gcs_destination.output_uri))
# [END datalabeling_export_data_beta]


if __name__ == '__main__':
    parser = argparse.ArgumentParser(
        description=__doc__,
        formatter_class=argparse.RawDescriptionHelpFormatter
    )

    parser.add_argument(
        '--dataset-resource-name',
        help='Dataset resource name. Required.',
        required=True
    )

    parser.add_argument(
        '--annotated-dataset-resource-name',
        help='Annotated Dataset resource name. Required.',
        required=True
    )

    parser.add_argument(
        '--export-gcs-uri',
        help='The export GCS URI. Required.',
        required=True
    )

    args = parser.parse_args()

    export_data(
        args.dataset_resource_name,
        args.annotated_dataset_resource_name,
        args.export_gcs_uri
    )