# -*- coding: utf-8 -*- #
# Copyright 2025 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
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"""Utility functions for GAE to CR migration."""

import argparse
import collections
import enum
import json
import logging
import os
import os.path
import re
import subprocess

from googlecloudsdk.api_lib.app import appengine_api_client
from googlecloudsdk.api_lib.resource_manager import folders
from googlecloudsdk.api_lib.run import api_enabler
from googlecloudsdk.api_lib.run import k8s_object
from googlecloudsdk.api_lib.run import service as service_lib
from googlecloudsdk.api_lib.run import traffic
from googlecloudsdk.calliope import base
from googlecloudsdk.calliope import exceptions as c_exceptions
from googlecloudsdk.command_lib.app.gae_to_cr_migration_util import list_incompatible_features
from googlecloudsdk.command_lib.app.gae_to_cr_migration_util import translate
from googlecloudsdk.command_lib.artifacts import docker_util
from googlecloudsdk.command_lib.run import artifact_registry
from googlecloudsdk.command_lib.run import build_util
from googlecloudsdk.command_lib.run import config_changes
from googlecloudsdk.command_lib.run import connection_context
from googlecloudsdk.command_lib.run import container_parser
from googlecloudsdk.command_lib.run import exceptions
from googlecloudsdk.command_lib.run import flags
from googlecloudsdk.command_lib.run import messages_util
from googlecloudsdk.command_lib.run import platforms
from googlecloudsdk.command_lib.run import pretty_print
from googlecloudsdk.command_lib.run import resource_args
from googlecloudsdk.command_lib.run import resource_change_validators
from googlecloudsdk.command_lib.run import serverless_operations
from googlecloudsdk.command_lib.run import stages
from googlecloudsdk.command_lib.util.args import map_util
from googlecloudsdk.command_lib.util.concepts import concept_parsers
from googlecloudsdk.command_lib.util.concepts import presentation_specs
from googlecloudsdk.core import properties
from googlecloudsdk.core.console import console_io
from googlecloudsdk.core.console import progress_tracker


class GAEToCRMigrationUtil():
  """Utility class for GAE to CR migration."""

  DEFAULT_APPYAML = 'app.yaml'
  DEFAULT_SERVICE_NAME = 'default'
  SERVICE_FIELD = 'service'

  def __init__(self, api_client, args):
    """Initializes the GAEToCRMigration utility class.

    Args:
      api_client: The AppEngine API client.
      args: The argparse arguments.
    """
    print('\nDeploying to Cloud Run...\n')
    self.api_client = api_client
    self.input_dir = os.getcwd()

    # if app.yaml is not provided, use app.yaml in current directory
    if args.appyaml:
      self.appyaml_path = os.path.relpath(args.appyaml)
    elif args.service is None or args.version is None:
      print(
          'Using app.yaml in current directory.\n'
      )
      self.appyaml_path = os.path.join(self.input_dir, self.DEFAULT_APPYAML)
    self.project = properties.VALUES.core.project.Get()