import {
  getSolidDataset,
  getStringNoLocale,
  getThingAll,
  getUrl,
} from "@inrupt/solid-client";
import { fetch, getDefaultSession } from "@inrupt/solid-client-authn-browser";
import { FOAF, VCARD } from "@inrupt/vocab-common-rdf";
import { thingToTask } from "./models/task";

export const getPodTasks = async (podUrl: string) => {
  const tasksDataset = await getSolidDataset(`${podUrl}/tasks/default`, {
    fetch: fetch,
  });
  const things = getThingAll(tasksDataset);
  return things.map(thingToTask);
};

export const getProfile = async () => {
  const session = getDefaultSession();
  const webId = session.info.webId;
  if (!webId) return null;
  const profileDataset = await getSolidDataset(webId, { fetch: fetch });
  const subjects = getThingAll(profileDataset);

  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),
    webId,
  };
};