/*
 This file is part of GNU Taler
 (C) 2021 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler 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 General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

import { useState, useEffect } from "preact/hooks";
import * as wxApi from "../wxApi";
import { getPermissionsApi } from "../compat";
import { getReadRequestPermissions } from "../permissions";

export function useExtendedPermissions(): [boolean, () => void] {
  const [enabled, setEnabled] = useState(false);

  const toggle = () => {
    handleExtendedPerm(enabled, setEnabled)
  };

  useEffect(() => {
    async function getExtendedPermValue(): Promise<void> {
      const res = await wxApi.getExtendedPermissions();
      setEnabled(res.newValue);
    }
    getExtendedPermValue();
  }, []);
  return [enabled, toggle];
}

function handleExtendedPerm(isEnabled: boolean, onChange: (value: boolean) => void): void {
  if (!isEnabled) {
    // We set permissions here, since apparently FF wants this to be done
    // as the result of an input event ...
    getPermissionsApi().request(getReadRequestPermissions(), async (granted: boolean) => {
      if (chrome.runtime.lastError) {
        console.error("error requesting permissions");
        console.error(chrome.runtime.lastError);
        onChange(false);
        return;
      }
      console.log("permissions granted:", granted);
      const res = await wxApi.setExtendedPermissions(granted);
      onChange(res.newValue);
    });
  } else {
    wxApi.setExtendedPermissions(false).then(r => onChange(r.newValue));
  }
}