# 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 logging
from pathlib import Path
import subprocess

import synthtool as s
from synthtool.languages import php
from synthtool import _tracked_paths

logging.basicConfig(level=logging.DEBUG)

src = Path(f"../{php.STAGING_DIR}/Firestore").resolve()
dest = Path().resolve()

# For preserving the copyright year, we use php._merge function
preserve_copyright_year = php._merge

# Added so that we can pass copy_excludes in the owlbot_main() call
_tracked_paths.add(src)

php.owlbot_main(
    src=src,
    dest=dest,
    copy_excludes=[
        src / '*/src/V1/FirestoreClient.php',
        src / '*/src/Admin/V1/FirestoreAdminClient.php',
        src / "*/src/V1/TransactionOptions/ReadOnly.php",
    ]
)

# Firestore Admin also lives here
admin_library = Path(f"../{php.STAGING_DIR}/Firestore/v1/Admin").resolve()

# copy all src
s.move(
    admin_library / f'src',
    'src/Admin',
    merge=preserve_copyright_year,
    excludes=[
        admin_library / 'src/V1/FirestoreAdminClient.php',
    ]
)

# copy proto files to src also
s.move(admin_library / f'proto/src/Google/Cloud/Firestore', f'src/', merge=preserve_copyright_year)
s.move(admin_library / f'tests/Unit', 'tests/Unit/Admin', merge=preserve_copyright_year)

# copy GPBMetadata file to metadata
s.move(admin_library / f'proto/src/GPBMetadata/Google/Firestore', f'metadata/', merge=preserve_copyright_year)

# document and utilize apiEndpoint instead of serviceAddress
s.replace(
    "**/Gapic/*GapicClient.php",
    r"'serviceAddress' =>",
    r"'apiEndpoint' =>")
s.replace(
    "**/Gapic/*GapicClient.php",
    r"@type string \$serviceAddress\n\s+\*\s+The address",
    r"""@type string $serviceAddress
     *           **Deprecated**. This option will be removed in a future major release. Please
     *           utilize the `$apiEndpoint` option instead.
     *     @type string $apiEndpoint
     *           The address""")
s.replace(
    "**/Gapic/*GapicClient.php",
    r"\$transportConfig, and any \$serviceAddress",
    r"$transportConfig, and any `$apiEndpoint`")

yearFixes = [
    {
        "year": "2017",
        "files": [
            "src/V1beta1/Gapic/*GapicClient.php",
            "src/V1beta1/*Client.php",
            "tests/**/V1beta1/*Test.php"
        ]
    }, {
        "year": "2019",
        "files": [
            "src/V1/Gapic/*GapicClient.php",
            "src/V1/*Client.php",
            "tests/**/V1/*Test.php",
            "src/Admin/V1/*Client.php",
            'src/Admin/V1/Gapic/*GapicClient.php',
        ]
    }
]

for fix in yearFixes:
    year = fix.get("year")
    for path in fix.get("files"):
        s.replace(
            path,
            r'Copyright \d{4}',
            f'Copyright {year}'
        )

# fix test group
s.replace(
    'tests/**/Admin/V1/*Test.php',
    r'@group admin',
    '@group firestore-admin')

# remove ReadOnly class_alias code
s.replace(
    "src/V*/**/PBReadOnly.php",
    r"^// Adding a class alias for backwards compatibility with the \"readonly\" keyword.$"
    + "\n"
    + r"^class_alias\(PBReadOnly::class, __NAMESPACE__ . '\\ReadOnly'\);$"
    + "\n",
    '')

### [START] protoc backwards compatibility fixes

# roll back to private properties.
s.replace(
    "src/**/V*/**/*.php",
    r"Generated from protobuf field ([^\n]{0,})\n\s{5}\*/\n\s{4}protected \$",
    r"""Generated from protobuf field \1
     */
    private $""")

# prevent proto messages from being marked final
s.replace(
    "src/**/V*/**/*.php",
    r"final class",
    r"class")

# Replace "Unwrapped" with "Value" for method names.
s.replace(
    "src/**/V*/**/*.php",
    r"public function ([s|g]\w{3,})Unwrapped",
    r"public function \1Value"
)

### [END] protoc backwards compatibility fixes

# fix relative cloud.google.com links
s.replace(
    "src/**/V*/**/*.php",
    r"(.{0,})\]\((/.{0,})\)",
    r"\1](https://cloud.google.com\2)"
)

# fix backwards-compatibility issues with LRO methods
lro_methods = ['createIndex', 'exportDocuments', 'importDocuments', 'updateField']
for lro_method in lro_methods:
    s.replace(
        "src/Admin/V1/Gapic/FirestoreAdminGapicClient.php",
        rf'{lro_method}\(',
        rf'{lro_method}LRO(',
    )
    s.replace(
        "tests/Unit/Admin/V1/FirestoreAdminClientTest.php",
        rf'{lro_method}\(',
        rf'{lro_method}LRO(',
    )
# fix backwards-compatibility issues with paginated methods
paginated_method = 'partitionQuery'
s.replace(
    "src/V1/Gapic/FirestoreGapicClient.php",
    rf'{paginated_method}\(',
    rf'{paginated_method}Paginated(',
)
s.replace(
    "tests/Unit/V1/FirestoreClientTest.php",
    rf'{paginated_method}\(',
    rf'{paginated_method}Paginated(',
)