# -*- coding: utf-8 -*-

# copyright 2019 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr -- mailto:contact@logilab.fr

#

# This program is free software: you can redistribute it and/or modify it under

# the terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# This program is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

from rdflib import plugin, namespace

import rdflib_jsonld  # noqa

plugin.register("jsonld", plugin.Serializer, "rdflib_jsonld.serializer", "JsonLDSerializer")

RDF_MIMETYPE_TO_FORMAT = {

    'application/rdf+xml': 'xml',

    'text/turtle': 'turtle',

    'text/n3': 'n3',

    'application/n-quads': 'nquads',

    'application/n-triples': 'nt',

    'application/trig': 'trig',

    'application/ld+json': 'json-ld',

}

NAMESPACES = {

    "rdf": namespace.RDF,

    "rdfs": namespace.RDFS,

    "owl": namespace.OWL,

    "xsd": namespace.XSD,

    "skos": namespace.SKOS,

    "void": namespace.VOID,

    "dc": namespace.DC,

    "dcterms": namespace.DCTERMS,

    "foaf": namespace.FOAF,

    "doap": namespace.DOAP,

    "schema": namespace.Namespace("http://schema.org/"),

    "cubicweb": namespace.Namespace("http://ns.cubicweb.org/cubicweb/0.0/")

}

def add_entity_to_graph(graph, entity):

    adapter = entity.cw_adapt_to("rdf")

    if adapter:

        for triple in adapter.triples():

            graph.add(triple)

        for prefix, rdfns in adapter.used_namespaces.items():

            graph.bind(prefix, rdfns)