""" List and manage repository signing information """

import logging
import features

from app import tuf_metadata_api
from data import model
from endpoints.api import (require_repo_read, path_param,
                           RepositoryParamResource, resource, nickname, show_if,
                           disallow_for_app_repositories, NotFound)

logger = logging.getLogger(__name__)


@show_if(features.SIGNING)
@resource('/v1/repository/<apirepopath:repository>/signatures')
@path_param('repository', 'The full path of the repository. e.g. namespace/name')
class RepositorySignatures(RepositoryParamResource):
  """ Operations for managing the signatures in a repository image. """

  @require_repo_read
  @nickname('getRepoSignatures')
  @disallow_for_app_repositories
  def get(self, namespace, repository):
    """ Fetches the list of signed tags for the repository. """
    repo = model.repository.get_repository(namespace, repository)
    if repo is None or not repo.trust_enabled:
      raise NotFound()

    tag_data, expiration = tuf_metadata_api.get_default_tags_with_expiration(namespace, repository)
    return {
      'tags': tag_data,
      'expiration': expiration
    }