import logging

import bottle
import jwt
from rdflib import URIRef

log = logging.getLogger(__name__)

jwks_client = jwt.PyJWKClient(uri='https://authenticate.bigasterisk.com/.well-known/pomerium/jwks.json')


def bottleGetAgent() -> URIRef:
    pomAssertion = bottle.request.headers.get('X-Pomerium-Jwt-Assertion', None)

    sk = jwks_client.get_signing_key_from_jwt(pomAssertion)
    j = jwt.decode(pomAssertion,
                   key=sk.key,
                   algorithms=['ES256'],
                   audience="bigasterisk.com")

    foaf = {
        'drewpca@gmail.com': 'http://bigasterisk.com/foaf.rdf#drewp',
        'kelsimp@gmail.com': 'http://bigasterisk.com/kelsi/foaf.rdf#kelsi',
    }[j['email']]
    return URIRef(foaf)