# XXX This code is not yet ready to be run in production, and should remain disabled until such
# XXX time as this notice is removed.

from flask import jsonify, request, url_for

from app import get_app_url
from endpoints.v2 import v2_bp, require_repo_read
from endpoints.v2.errors import NameUnknown
from auth.jwt_auth import process_jwt_auth
from endpoints.decorators import anon_protect
from data import model

def _add_pagination(query, url):
  limit = request.args.get('n', None)
  page = request.args.get('page', 1)

  if limit is None:
    return None, query

  url = get_app_url() + url
  query = query.paginate(page, limit)
  link = url + '?n=%s&last=%s; rel="next"' % (limit, page + 1)
  return link, query


@v2_bp.route('/<namespace>/<repo_name>/tags/list', methods=['GET'])
@process_jwt_auth
@require_repo_read
@anon_protect
def list_all_tags(namespace, repo_name):
  repository = model.repository.get_repository(namespace, repo_name)
  if repository is None:
    raise NameUnknown()

  query = model.tag.list_repository_tags(namespace, repo_name)

  url = url_for('v2.list_all_tags', namespace=namespace, repo_name=repo_name)
  link, query = _add_pagination(query, url)

  response = jsonify({
    'name': '{0}/{1}'.format(namespace, repo_name),
    'tags': [tag.name for tag in query],
  })

  if link is not None:
    response.headers['Link'] = link

  return response