/*
 * (c) Copyright Ascensio System SIA 2010-2024
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

const {describe, test, expect} = require('@jest/globals');
const config = require('../../Common/node_modules/config');

const operationContext = require('../../Common/sources/operationContext');
const utils = require('../../Common/sources/utils');

const ctx = new operationContext.Context();
const minimumIterationsByteLength = 4;

describe('AES encryption & decryption', () => {
  test('Iterations range', async () => {
    const configuration = config.util.cloneDeep(config.get('aesEncrypt.config'));
    const encrypted = await utils.encryptPassword(ctx, 'secretstring');
    const {iterationsByteLength = 5} = configuration;

    const [iterationsHex] = encrypted.split(':');
    const iterations = parseInt(iterationsHex, 16);

    const iterationsLength = iterationsByteLength < minimumIterationsByteLength ? minimumIterationsByteLength : iterationsByteLength;
    expect(iterations).toBeGreaterThanOrEqual(Math.pow(10, iterationsLength - 1));
    expect(iterations).toBeLessThanOrEqual(Math.pow(10, iterationsLength) - 1);
  });

  test('Correct workflow', async () => {
    const encrypted = await utils.encryptPassword(ctx, 'secretstring');
    const decrypted = await utils.decryptPassword(ctx, encrypted);
    expect(decrypted).toEqual('secretstring');
  });
});
