import {
	getSolidDataset,
	getStringNoLocale,
	getThingAll,
	getUrl,
	toRdfJsDataset
} from '@inrupt/solid-client';
import { FOAF, VCARD } from '@inrupt/vocab-common-rdf';
import jsonld from 'jsonld';
import { JsonLdSerializer } from 'jsonld-streaming-serializer';
import d from 'stream-to-string';

export const fetchPod: typeof fetch = async (resource: URL | RequestInfo) => {
	const response = await fetch(`/solid/fetch?resource=${encodeURIComponent(resource.toString())}`);
	Object.defineProperty(response, 'url', { value: decodeURIComponent(resource.toString()) });
	return response;
};

export const getAllSubjects = async (iri: string) => {
	const dataset = await getSolidDataset(iri, { fetch: fetchPod });
	const subjects = getThingAll(dataset);
	return subjects;
};

export const getProfile = async (webId: string) => {
	const subjects = getAllSubjects(webId);

	const findValue = (predicate: string) =>
		subjects
			.map((subject) => getStringNoLocale(subject, predicate) || getUrl(subject, predicate))
			?.filter((i) => !!i)[0];

	return {
		name: findValue(FOAF.name),
		organization: findValue(VCARD.organization_name),
		image: findValue(VCARD.hasPhoto)
	};
};