# -*- coding: utf-8 -*- #
# Copyright 2017 Google LLC. All Rights Reserved.
#
# 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.
"""Imports data into a Cloud SQL instance from a SQL dump file.

Imports data into a Cloud SQL instance from a SQL dump file in Google Cloud
Storage.
"""

from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals

import textwrap

from googlecloudsdk.api_lib.sql import api_util
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.sql import flags
from googlecloudsdk.command_lib.sql import import_util


@base.ReleaseTracks(base.ReleaseTrack.GA, base.ReleaseTrack.BETA,
                    base.ReleaseTrack.ALPHA)
@base.DefaultUniverseOnly
class Sql(base.Command):
  """Imports data into a Cloud SQL instance from a SQL dump file."""

  detailed_help = {
      'DESCRIPTION':
          textwrap.dedent("""\
          {command} imports data into a Cloud SQL instance from a SQL dump file
          in Google Cloud Storage.

          NOTE: Certain roles and permissions are required to import data into
          Google Cloud SQL. For more information on importing data into Google
          Cloud SQL see [Import a SQL dump file](https://cloud.google.com/sql/docs/mysql/import-export/import-export-sql#gcloud_1).

          For detailed help on importing data into Cloud SQL, refer to this
          guide: https://cloud.google.com/sql/docs/mysql/import-export/importing
          """),
      'EXAMPLES':
          textwrap.dedent("""\
          To import data from a SQL dump file into a database, `testdb`, on the
          specified Cloud SQL instance `test-instance-1`, run:

            $  gcloud sql import sql test-instance-1 gs://test-bucket/test-file.sql.gz --database=testdb
          """),
      }

  @staticmethod
  def Args(parser):
    """Args is called by calliope to gather arguments for this command.

    Args:
      parser: An argparse parser that you can use to add arguments that go
          on the command line after this command. Positional arguments are
          allowed.
    """
    import_util.AddBaseImportFlags(parser, filetype='MySQL dump')
    flags.AddDatabase(parser, flags.DEFAULT_DATABASE_IMPORT_HELP_TEXT)
    flags.AddParallelArgument(parser, operation='import')
    flags.AddThreadsArgument(parser, operation='import')
    flags.AddCleanImportArgument(parser)
    flags.AddIfExistsImportsArgument(parser)

  def Run(self, args):
    """Runs the command to import into the Cloud SQL instance."""
    client = api_util.SqlClient(api_util.API_VERSION_DEFAULT)
    return import_util.RunSqlImportCommand(args, client)