# -*- coding: utf-8 -*-
# Copyright 2020 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.
#
from collections import OrderedDict
import functools
import re
from typing import Dict, Sequence, Tuple, Type, Union
import pkg_resources

from google.api_core.client_options import ClientOptions
from google.api_core import exceptions as core_exceptions
from google.api_core import gapic_v1
from google.api_core import retry as retries
from google.auth import credentials as ga_credentials  # type: ignore
from google.oauth2 import service_account  # type: ignore

try:
    OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
except AttributeError:  # pragma: NO COVER
    OptionalRetry = Union[retries.Retry, object]  # type: ignore

from google.api_core import operation  # type: ignore
from google.api_core import operation_async  # type: ignore
from google.cloud.aiplatform_v1.services.migration_service import pagers
from google.cloud.aiplatform_v1.types import migratable_resource
from google.cloud.aiplatform_v1.types import migration_service
from .transports.base import MigrationServiceTransport, DEFAULT_CLIENT_INFO
from .transports.grpc_asyncio import MigrationServiceGrpcAsyncIOTransport
from .client import MigrationServiceClient


class MigrationServiceAsyncClient:
    """A service that migrates resources from automl.googleapis.com,
    datalabeling.googleapis.com and ml.googleapis.com to Vertex AI.
    """

    _client: MigrationServiceClient

    DEFAULT_ENDPOINT = MigrationServiceClient.DEFAULT_ENDPOINT
    DEFAULT_MTLS_ENDPOINT = MigrationServiceClient.DEFAULT_MTLS_ENDPOINT

    annotated_dataset_path = staticmethod(MigrationServiceClient.annotated_dataset_path)
    parse_annotated_dataset_path = staticmethod(
        MigrationServiceClient.parse_annotated_dataset_path
    )
    dataset_path = staticmethod(MigrationServiceClient.dataset_path)
    parse_dataset_path = staticmethod(MigrationServiceClient.parse_dataset_path)
    dataset_path = staticmethod(MigrationServiceClient.dataset_path)
    parse_dataset_path = staticmethod(MigrationServiceClient.parse_dataset_path)
    dataset_path = staticmethod(MigrationServiceClient.dataset_path)
    parse_dataset_path = staticmethod(MigrationServiceClient.parse_dataset_path)
    model_path = staticmethod(MigrationServiceClient.model_path)
    parse_model_path = staticmethod(MigrationServiceClient.parse_model_path)
    model_path = staticmethod(MigrationServiceClient.model_path)
    parse_model_path = staticmethod(MigrationServiceClient.parse_model_path)
    version_path = staticmethod(MigrationServiceClient.version_path)
    parse_version_path = staticmethod(MigrationServiceClient.parse_version_path)
    common_billing_account_path = staticmethod(
        MigrationServiceClient.common_billing_account_path
    )
    parse_common_billing_account_path = staticmethod(
        MigrationServiceClient.parse_common_billing_account_path
    )
    common_folder_path = staticmethod(MigrationServiceClient.common_folder_path)
    parse_common_folder_path = staticmethod(
        MigrationServiceClient.parse_common_folder_path
    )
    common_organization_path = staticmethod(
        MigrationServiceClient.common_organization_path
    )
    parse_common_organization_path = staticmethod(
        MigrationServiceClient.parse_common_organization_path
    )
    common_project_path = staticmethod(MigrationServiceClient.common_project_path)
    parse_common_project_path = staticmethod(
        MigrationServiceClient.parse_common_project_path
    )
    common_location_path = staticmethod(MigrationServiceClient.common_location_path)
    parse_common_location_path = staticmethod(
        MigrationServiceClient.parse_common_location_path
    )

    @classmethod
    def from_service_account_info(cls, info: dict, *args, **kwargs):
        """Creates an instance of this client using the provided credentials
            info.

        Args:
            info (dict): The service account private key info.
            args: Additional arguments to pass to the constructor.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            MigrationServiceAsyncClient: The constructed client.
        """
        return MigrationServiceClient.from_service_account_info.__func__(MigrationServiceAsyncClient, info, *args, **kwargs)  # type: ignore

    @classmethod
    def from_service_account_file(cls, filename: str, *args, **kwargs):
        """Creates an instance of this client using the provided credentials
            file.

        Args:
            filename (str): The path to the service account private key json
                file.
            args: Additional arguments to pass to the constructor.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            MigrationServiceAsyncClient: The constructed client.
        """
        return MigrationServiceClient.from_service_account_file.__func__(MigrationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore

    from_service_account_json = from_service_account_file

    @property
    def transport(self) -> MigrationServiceTransport:
        """Returns the transport used by the client instance.

        Returns:
            MigrationServiceTransport: The transport used by the client instance.
        """
        return self._client.transport

    get_transport_class = functools.partial(
        type(MigrationServiceClient).get_transport_class, type(MigrationServiceClient)
    )

    def __init__(
        self,
        *,
        credentials: ga_credentials.Credentials = None,
        transport: Union[str, MigrationServiceTransport] = "grpc_asyncio",
        client_options: ClientOptions = None,
        client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
    ) -> None:
        """Instantiates the migration service client.

        Args:
            credentials (Optional[google.auth.credentials.Credentials]): The
                authorization credentials to attach to requests. These
                credentials identify the application to the service; if none
                are specified, the client will attempt to ascertain the
                credentials from the environment.
            transport (Union[str, ~.MigrationServiceTransport]): The
                transport to use. If set to None, a transport is chosen
                automatically.
            client_options (ClientOptions): Custom options for the client. It
                won't take effect if a ``transport`` instance is provided.
                (1) The ``api_endpoint`` property can be used to override the
                default endpoint provided by the client. GOOGLE_API_USE_MTLS_ENDPOINT
                environment variable can also be used to override the endpoint:
                "always" (always use the default mTLS endpoint), "never" (always
                use the default regular endpoint) and "auto" (auto switch to the
                default mTLS endpoint if client certificate is present, this is
                the default value). However, the ``api_endpoint`` property takes
                precedence if provided.
                (2) If GOOGLE_API_USE_CLIENT_CERTIFICATE environment variable
                is "true", then the ``client_cert_source`` property can be used
                to provide client certificate for mutual TLS transport. If
                not provided, the default SSL client certificate will be used if
                present. If GOOGLE_API_USE_CLIENT_CERTIFICATE is "false" or not
                set, no client certificate will be used.

        Raises:
            google.auth.exceptions.MutualTlsChannelError: If mutual TLS transport
                creation failed for any reason.
        """
        self._client = MigrationServiceClient(
            credentials=credentials,
            transport=transport,
            client_options=client_options,
            client_info=client_info,
        )

    async def search_migratable_resources(
        self,
        request: Union[migration_service.SearchMigratableResourcesRequest, dict] = None,
        *,
        parent: str = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pagers.SearchMigratableResourcesAsyncPager:
        r"""Searches all of the resources in
        automl.googleapis.com, datalabeling.googleapis.com and
        ml.googleapis.com that can be migrated to Vertex AI's
        given location.

        Args:
            request (Union[google.cloud.aiplatform_v1.types.SearchMigratableResourcesRequest, dict]):
                The request object. Request message for
                [MigrationService.SearchMigratableResources][google.cloud.aiplatform.v1.MigrationService.SearchMigratableResources].
            parent (:class:`str`):
                Required. The location that the migratable resources
                should be searched from. It's the Vertex AI location
                that the resources can be migrated to, not the
                resources' original location. Format:
                ``projects/{project}/locations/{location}``

                This corresponds to the ``parent`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.cloud.aiplatform_v1.services.migration_service.pagers.SearchMigratableResourcesAsyncPager:
                Response message for
                [MigrationService.SearchMigratableResources][google.cloud.aiplatform.v1.MigrationService.SearchMigratableResources].

                Iterating over this object will yield results and
                resolve additional pages automatically.

        """
        # Create or coerce a protobuf request object.
        # Sanity check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([parent])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        request = migration_service.SearchMigratableResourcesRequest(request)

        # If we have keyword arguments corresponding to fields on the
        # request, apply these.
        if parent is not None:
            request.parent = parent

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = gapic_v1.method_async.wrap_method(
            self._client._transport.search_migratable_resources,
            default_timeout=None,
            client_info=DEFAULT_CLIENT_INFO,
        )

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", request.parent),)),
        )

        # Send the request.
        response = await rpc(request, retry=retry, timeout=timeout, metadata=metadata,)

        # This method is paged; wrap the response in a pager, which provides
        # an `__aiter__` convenience method.
        response = pagers.SearchMigratableResourcesAsyncPager(
            method=rpc, request=request, response=response, metadata=metadata,
        )

        # Done; return the response.
        return response

    async def batch_migrate_resources(
        self,
        request: Union[migration_service.BatchMigrateResourcesRequest, dict] = None,
        *,
        parent: str = None,
        migrate_resource_requests: Sequence[
            migration_service.MigrateResourceRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> operation_async.AsyncOperation:
        r"""Batch migrates resources from ml.googleapis.com,
        automl.googleapis.com, and datalabeling.googleapis.com
        to Vertex AI.

        Args:
            request (Union[google.cloud.aiplatform_v1.types.BatchMigrateResourcesRequest, dict]):
                The request object. Request message for
                [MigrationService.BatchMigrateResources][google.cloud.aiplatform.v1.MigrationService.BatchMigrateResources].
            parent (:class:`str`):
                Required. The location of the migrated resource will
                live in. Format:
                ``projects/{project}/locations/{location}``

                This corresponds to the ``parent`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            migrate_resource_requests (:class:`Sequence[google.cloud.aiplatform_v1.types.MigrateResourceRequest]`):
                Required. The request messages
                specifying the resources to migrate.
                They must be in the same location as the
                destination. Up to 50 resources can be
                migrated in one batch.

                This corresponds to the ``migrate_resource_requests`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.operation_async.AsyncOperation:
                An object representing a long-running operation.

                The result type for the operation will be
                :class:`google.cloud.aiplatform_v1.types.BatchMigrateResourcesResponse`
                Response message for
                [MigrationService.BatchMigrateResources][google.cloud.aiplatform.v1.MigrationService.BatchMigrateResources].

        """
        # Create or coerce a protobuf request object.
        # Sanity check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([parent, migrate_resource_requests])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        request = migration_service.BatchMigrateResourcesRequest(request)

        # If we have keyword arguments corresponding to fields on the
        # request, apply these.
        if parent is not None:
            request.parent = parent
        if migrate_resource_requests:
            request.migrate_resource_requests.extend(migrate_resource_requests)

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = gapic_v1.method_async.wrap_method(
            self._client._transport.batch_migrate_resources,
            default_timeout=None,
            client_info=DEFAULT_CLIENT_INFO,
        )

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", request.parent),)),
        )

        # Send the request.
        response = await rpc(request, retry=retry, timeout=timeout, metadata=metadata,)

        # Wrap the response in an operation future.
        response = operation_async.from_gapic(
            response,
            self._client._transport.operations_client,
            migration_service.BatchMigrateResourcesResponse,
            metadata_type=migration_service.BatchMigrateResourcesOperationMetadata,
        )

        # Done; return the response.
        return response

    async def __aenter__(self):
        return self

    async def __aexit__(self, exc_type, exc, tb):
        await self.transport.close()


try:
    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
        gapic_version=pkg_resources.get_distribution(
            "google-cloud-aiplatform",
        ).version,
    )
except pkg_resources.DistributionNotFound:
    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()


__all__ = ("MigrationServiceAsyncClient",)
