# Copyright 2018 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.

"""This script is used to synthesize generated parts of this library."""

import synthtool as s
from synthtool import gcp

gapic = gcp.GAPICGenerator()

versions = ['v1', 'v1p1beta1', 'v1p2beta1', 'v1p3beta1']


for version in versions:
    library = gapic.py_library('vision', version)

    s.move(library / f'google/cloud/vision_{version}/gapic')
    s.move(library / f'google/cloud/vision_{version}/__init__.py')
    s.move(library / f'google/cloud/vision_{version}/types.py')
    s.move(library / f'google/cloud/vision_{version}/proto')
    s.move(library / f'tests/unit/gapic/{version}')
    # don't publish docs for these versions
    if version not in ['v1p1beta1']:
        s.move(library / f'docs/gapic/{version}')

    # Add vision helpers to each version
    s.replace(
        f'google/cloud/vision_{version}/__init__.py',
        f'from __future__ import absolute_import', f'\g<0>\n\n'
        f'from google.cloud.vision_helpers.decorators import '
        f'add_single_feature_methods\n'
        f'from google.cloud.vision_helpers import VisionHelpers')

    s.replace(
        f'google/cloud/vision_{version}/__init__.py',
        f'image_annotator_client',
        f'iac')

    s.replace(
        f'google/cloud/vision_{version}/__init__.py',
        f'from google.cloud.vision_{version}.gapic import iac',
        f'from google.cloud.vision_{version}.gapic import '
        f'image_annotator_client as iac')

    s.replace(
        f'google/cloud/vision_{version}/__init__.py',
        f'class ImageAnnotatorClient\(iac.ImageAnnotatorClient\):',
        f'@add_single_feature_methods\n'
        f'class ImageAnnotatorClient(VisionHelpers, iac.ImageAnnotatorClient):'
    )

    # Fix import of operations
    s.replace(
        [f'google/cloud/vision_{version}/**/*.py',
         f'tests/system/gapic/{version}/**/*.py'],
        f'import google.api_core.operations_v1',
        f'from google.api_core import operations_v1')

    # fix issues with imports of vision from wrong directory
    s.replace(
        [f'google/cloud/vision_{version}/**/*.py',
         f'tests/system/gapic/{version}/**/*.py'],
        f'from google.cloud.gapic.vision import enums',
        f'from google.cloud.vision_{version}.gapic import enums')

    s.replace(
        f'tests/system/gapic/{version}/**/*.py',
        f'from google.cloud.gapic import vision',
        f'import google.cloud.vision_{version} as vision')

    s.replace(
        f'google/cloud/vision_{version}/**/*.py',
        f'from google.cloud.gapic.vision.{version}',
        f'from google.cloud.vision_{version}')

    # under indented second line of docstring
    s.replace(
        "google/cloud/vision_v1p3beta1/gapic/product_search_client.py",
        "    (- The API has a collection of ``ProductSet.*\n)"
        "\s+(``project.*\n)\s+(products.*)",
        "    \g<1>      \g<2>      \g<3>")

    s.replace(
        'google/cloud/vision_v1p3beta1/gapic/product_search_client.py',
        '(        \* .*\n        )([^\s*])',
        '\g<1>  \g<2>')

    # Blank line needed after bullet list
    s.replace(
        'google/cloud/vision_v1p3beta1/gapic/product_search_client.py',
        "(- Each ``Product`` has a collection .*\n.*\n)(\s+\"\"\")",
        '\g<1>\n\g<2>')
