import { assert, driver } from 'mocha-webdriver';
import * as gu from 'test/nbrowser/gristUtils';
import { server, setupTestSuite } from 'test/nbrowser/testUtils';
import { EnvironmentSnapshot } from 'test/server/testUtils';

describe('Features', function () {
  this.timeout(20000);
  setupTestSuite();

  let session: gu.Session;
  let oldEnv: EnvironmentSnapshot;

  before(async function () {
    oldEnv = new EnvironmentSnapshot();
    session = await gu.session().teamSite.login();
  });

  after(async function () {
    oldEnv.restore();
    await server.restart();
  });

  it('can be enabled with the GRIST_UI_FEATURES env variable', async function () {
    process.env.GRIST_UI_FEATURES = 'helpCenter,templates';
    await server.restart();
    await session.loadDocMenu('/');
    assert.isTrue(await driver.find('.test-dm-templates-page').isDisplayed());
    assert.isTrue(await driver.find('.test-left-feedback').isDisplayed());
    assert.isFalse(await driver.find('.test-dm-basic-tutorial').isDisplayed());
  });

  it('can be disabled with the GRIST_HIDE_UI_ELEMENTS env variable', async function () {
    delete process.env.GRIST_UI_FEATURES;
    process.env.GRIST_HIDE_UI_ELEMENTS = 'templates';
    await server.restart();
    await session.loadDocMenu('/');
    assert.isTrue(await driver.find('.test-left-feedback').isDisplayed());
    assert.isTrue(await driver.find('.test-dm-basic-tutorial').isDisplayed());
    assert.isFalse(await driver.find('.test-dm-templates-page').isDisplayed());
  });

  it('that are disabled take precedence if also enabled', async function () {
    process.env.GRIST_UI_FEATURES = 'tutorials,templates';
    process.env.GRIST_HIDE_UI_ELEMENTS = 'helpCenter,templates';
    await server.restart();
    await session.loadDocMenu('/');
    assert.isTrue(await driver.find('.test-dm-basic-tutorial').isDisplayed());
    assert.isFalse(await driver.find('.test-left-feedback').isPresent());
    assert.isFalse(await driver.find('.test-dm-templates-page').isDisplayed());
  });
});