# -*- coding: utf-8 -*- #
# Copyright 2019 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.
"""List all versions for a secret."""

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

from googlecloudsdk.api_lib.secrets import api as secrets_api
from googlecloudsdk.calliope import base
from googlecloudsdk.calliope import parser_arguments
from googlecloudsdk.calliope import parser_extensions
from googlecloudsdk.command_lib.secrets import args as secrets_args
from googlecloudsdk.command_lib.secrets import fmt as secrets_fmt
from googlecloudsdk.core.resource import resource_expr_rewrite
from googlecloudsdk.core.resource import resource_projection_spec


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.GA)
class List(base.ListCommand):
  r"""List all versions for a secret.

  List all versions and their status (For example: active/disabled/destroyed)
  for a secret.

  ## EXAMPLES

  List all versions for the secret named 'my-secret':

    $ {command} my-secret
  """

  @staticmethod
  def Args(parser: parser_arguments.ArgumentInterceptor):
    """Args is called by calliope to gather arguments for secrets versions list command.

    Args:
      parser: An argparse parser that you can use to add arguments that will be
        available to this command.
    """
    secrets_args.AddSecret(
        parser,
        purpose='from which to list versions',
        positional=True,
        required=True,
    )
    secrets_args.AddLocation(parser, purpose='to create secret', hidden=False)
    base.PAGE_SIZE_FLAG.SetDefault(parser, 100)

  def Run(self, args: parser_extensions.Namespace) -> secrets_api.Versions:
    """Run is called by calliope to implement the secret versions list command.

    Args:
      args: an argparse namespace, all the arguments that were provided to this
        command invocation.

    Returns:
      API call to invoke secret version list.
    """
    api_version = secrets_api.GetApiFromTrack(self.ReleaseTrack())
    secret_ref = args.CONCEPTS.secret.Parse()
    if args.location:
      secrets_fmt.RegionalSecretVersionTableUsingArgument(
          args, api_version=api_version
      )
    else:
      secrets_fmt.SecretVersionTableUsingArgument(args, api_version=api_version)
    server_filter = None
    if args.filter:
      rewriter = resource_expr_rewrite.Backend()
      display_info = args.GetDisplayInfo()
      defaults = resource_projection_spec.ProjectionSpec(
          symbols=display_info.transforms, aliases=display_info.aliases
      )
      _, server_filter = rewriter.Rewrite(args.filter, defaults=defaults)

    return secrets_api.Versions(api_version=api_version).ListWithPager(
        secret_ref=secret_ref,
        limit=args.limit,
        request_filter=server_filter,
        secret_location=args.location,
    )


@base.DefaultUniverseOnly
@base.ReleaseTracks(base.ReleaseTrack.BETA)
class ListBeta(List):
  r"""List all versions for a secret.

  List all versions and their status (For example: active/disabled/destroyed)
  for a secret.

  ## EXAMPLES

  List all versions for the secret named 'my-secret':

    $ {command} my-secret
  """

  @staticmethod
  def Args(parser):
    secrets_args.AddSecret(
        parser,
        purpose='from which to list versions',
        positional=True,
        required=True,
    )
    secrets_args.AddLocation(parser, purpose='to create secret', hidden=False)
    base.PAGE_SIZE_FLAG.SetDefault(parser, 100)

  def Run(self, args):
    api_version = secrets_api.GetApiFromTrack(self.ReleaseTrack())
    secret_ref = args.CONCEPTS.secret.Parse()
    if args.location:
      secrets_fmt.RegionalSecretVersionTableUsingArgument(
          args, api_version=api_version
      )
    else:
      secrets_fmt.SecretVersionTableUsingArgument(args, api_version=api_version)
    server_filter = None
    if args.filter:
      rewriter = resource_expr_rewrite.Backend()
      display_info = args.GetDisplayInfo()
      defaults = resource_projection_spec.ProjectionSpec(
          symbols=display_info.transforms, aliases=display_info.aliases
      )
      _, server_filter = rewriter.Rewrite(args.filter, defaults=defaults)

    return secrets_api.Versions(api_version=api_version).ListWithPager(
        secret_ref=secret_ref,
        limit=args.limit,
        request_filter=server_filter,
        secret_location=args.location,
    )