const path = require('path');
const IS_EE = require('../../../config/helpers/is_ee_env');

// controls --------------------------------------------------------------------
const HTML_TO_REMOVE = [
  'style',
  'script',
  'link[rel="stylesheet"]',
  '.content-wrapper',
  '#js-peek',
  '.modal',
  '.feature-highlight',
  // The user has to open up the responsive nav, so we don't need it on load
  '.top-nav-responsive',
  // We don't want to capture all the children of a dropdown-menu
  '.dropdown-menu',
];
const CSS_TO_REMOVE = [
  '.tooltip',
  '.tooltip.show',
  '.fa',
  '.gl-accessibility:focus',
  '.toasted-container',
  'body .toasted-container.bottom-left',
  '.popover',
  '.with-performance-bar .navbar-gitlab',
  '.text-secondary',
  /\.feature-highlight-popover-content/,
  /\.commit/,
  /\.md/,
  /\.with-performance-bar/,
];
const APPLICATION_CSS_PREFIX = 'application';
const APPLICATION_DARK_CSS_PREFIX = 'application_dark';
const UTILITIES_CSS_PREFIX = 'application_utilities';
const UTILITIES_DARK_CSS_PREFIX = 'application_utilities_dark';

// paths -----------------------------------------------------------------------
const ROOT = path.resolve(__dirname, '../../..');
const ROOT_RAILS = IS_EE ? path.join(ROOT, 'ee') : ROOT;
const FIXTURES_FOLDER_NAME = IS_EE ? 'fixtures-ee' : 'fixtures';
const FIXTURES_ROOT = path.join(ROOT, 'tmp/tests/frontend', FIXTURES_FOLDER_NAME);
const PATH_SIGNIN_HTML = path.join(FIXTURES_ROOT, 'startup_css/sign-in.html');
const PATH_SIGNIN_OLD_HTML = path.join(FIXTURES_ROOT, 'startup_css/sign-in-old.html');
const PATH_ASSETS = path.join(ROOT, 'tmp/startup_css_assets');
const PATH_STARTUP_SCSS = path.join(ROOT_RAILS, 'app/assets/stylesheets/startup');

// helpers ---------------------------------------------------------------------
const createMainOutput = ({ outFile, cssKeys, type }) => ({
  outFile,
  htmlPaths: [
    path.join(FIXTURES_ROOT, `startup_css/project-${type}.html`),
    path.join(FIXTURES_ROOT, `startup_css/project-${type}-signed-out.html`),
    path.join(FIXTURES_ROOT, `startup_css/project-${type}-super-sidebar.html`),
  ],
  cssKeys,
  purgeOptions: {
    safelist: {
      standard: [
        'page-with-super-sidebar',
        'page-with-super-sidebar-collapsed',
        'page-with-icon-sidebar',
        'sidebar-collapsed-desktop',
        // We want to include the root dropdown-menu style since it should be hidden by default
        'dropdown-menu',
      ],
      // We want to include the identicon backgrounds
      greedy: [/^bg[0-9]$/],
    },
  },
});

const OUTPUTS = [
  createMainOutput({
    type: 'general',
    outFile: 'startup-general',
    cssKeys: [APPLICATION_CSS_PREFIX, UTILITIES_CSS_PREFIX],
  }),
  createMainOutput({
    type: 'dark',
    outFile: 'startup-dark',
    cssKeys: [APPLICATION_DARK_CSS_PREFIX, UTILITIES_DARK_CSS_PREFIX],
  }),
  {
    outFile: 'startup-signin',
    htmlPaths: [PATH_SIGNIN_HTML, PATH_SIGNIN_OLD_HTML],
    cssKeys: [APPLICATION_CSS_PREFIX, UTILITIES_CSS_PREFIX],
    purgeOptions: {
      safelist: {
        standard: ['fieldset', 'hidden'],
        deep: [/login-page$/],
      },
    },
  },
];

module.exports = {
  HTML_TO_REMOVE,
  CSS_TO_REMOVE,
  APPLICATION_CSS_PREFIX,
  APPLICATION_DARK_CSS_PREFIX,
  UTILITIES_CSS_PREFIX,
  UTILITIES_DARK_CSS_PREFIX,
  ROOT,
  PATH_ASSETS,
  PATH_STARTUP_SCSS,
  OUTPUTS,
};