# -*- coding: utf-8 -*- #
# Copyright 2021 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.
"""Helper class to handle non-compute references."""

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

from googlecloudsdk.api_lib import network_security
from googlecloudsdk.api_lib import network_services
from googlecloudsdk.core import resources


CERTIFICATE_MANAGER_BASE_API = 'https://certificatemanager.googleapis.com/v1/'


def BuildFullResourceUrl(base_uri, container_type, container_name, location,
                         collection_name, resource_name):
  """Creates a reference to a non-compute resource in the full URL format."""
  # base_uri ends with slash.
  return '{}{}/{}/locations/{}/{}/{}'.format(base_uri, container_type,
                                             container_name, location,
                                             collection_name, resource_name)


def BuildFullResourceUrlForProjectBasedResource(base_uri, project_name,
                                                location, collection_name,
                                                resource_name):
  """Note: base_uri ends with slash."""
  return BuildFullResourceUrl(base_uri, 'projects', project_name, location,
                              collection_name, resource_name)


def BuildFullResourceUrlForOrgBasedResource(base_uri, org_id, collection_name,
                                            resource_name):
  """Note: base_uri ends with slash."""
  return BuildFullResourceUrl(base_uri, 'organizations', org_id, 'global',
                              collection_name, resource_name)


def BuildBackendAuthenticationConfigUrl(
    project_name: str, location: str, bac_name: str, release_track: str
) -> str:
  """Builds the URL for a BackendAuthenticationConfig resource.

  Args:
    project_name: The project name of the BackendAuthenticationConfig.
    location: The location of the BackendAuthenticationConfig.
    bac_name: The name of the BackendAuthenticationConfig.
    release_track: The release track of the BackendAuthenticationConfig.

  Returns:
    The URL for the BackendAuthenticationConfig resource.
  """
  return BuildFullResourceUrlForProjectBasedResource(
      base_uri=network_security.GetApiBaseUrl(release_track),
      project_name=project_name,
      location=location,
      collection_name='backendAuthenticationConfigs',
      resource_name=bac_name,
  )


def BuildServerTlsPolicyUrl(project_name, location, policy_name):
  return BuildFullResourceUrlForProjectBasedResource(
      base_uri=network_security.GetApiBaseUrl(),
      project_name=project_name,
      location=location,
      collection_name='serverTlsPolicies',
      resource_name=policy_name)


def BuildServiceLbPolicyUrl(project_name, location, policy_name, release_track):
  return BuildFullResourceUrlForProjectBasedResource(
      base_uri=network_services.GetApiBaseUrl(release_track),
      project_name=project_name,
      location=location,
      collection_name='serviceLbPolicies',
      resource_name=policy_name)


def BuildServiceBindingUrl(project_name, location, binding_name):
  return BuildFullResourceUrlForProjectBasedResource(
      base_uri=network_services.GetApiBaseUrl(
          network_services.base.ReleaseTrack.GA),
      project_name=project_name,
      location=location,
      collection_name='serviceBindings',
      resource_name=binding_name)


def BuildCcmCertificateUrl(project_name, location, certificate_name):
  base_uri = (
      resources.GetApiBaseUrl('certificatemanager', 'v1')
      or CERTIFICATE_MANAGER_BASE_API
  )
  return BuildFullResourceUrlForProjectBasedResource(
      base_uri=base_uri,
      project_name=project_name,
      location=location,
      collection_name='certificates',
      resource_name=certificate_name,
  )


def CompareUrlRelativeReferences(url1, url2):
  """Compares relative resource references (skips namespace)."""
  return url1.split('projects')[1] == url2.split('projects')[1]


def UrlInReferences(url, references):
  return bool(
      list(
          filter(lambda ref: CompareUrlRelativeReferences(url, ref),
                 references)))


def FilterReferences(references, references_to_remove):
  return list(
      filter(lambda ref: not (UrlInReferences(ref, references_to_remove)),
             references))