'use strict';

/**
 * This is used to verify if the current Website is running on a Development Environment
 */
export const IS_DEVELOPMENT = process.env.NODE_ENV === 'development';

/**
 * This is used for telling Next.js if the Website is deployed on Vercel
 *
 * Can be used for conditionally enabling features that we know are Vercel only
 *
 * @see https://vercel.com/docs/concepts/projects/environment-variables/system-environment-variables#framework-environment-variables
 */
export const VERCEL_ENV = process.env.NEXT_PUBLIC_VERCEL_ENV || undefined;

/**
 * This is used for defining a default time of when `next-data` and other dynamically generated
 * but static-enabled pages should be regenerated.
 *
 * Note that this is a custom Environment Variable that can be defined by us when necessary
 */
export const VERCEL_REVALIDATE = Number(
  process.env.NEXT_PUBLIC_VERCEL_REVALIDATE_TIME || 300
);

/**
 * This is used for telling Next.js to to a Static Export Build of the Website
 *
 * This is used for static/without a Node.js server hosting, such as on our
 * legacy Website Build Environment on Node.js's DigitalOcean Droplet.
 *
 * Note that this is a manual Environment Variable defined by us during `npm run deploy`
 */
export const ENABLE_STATIC_EXPORT =
  process.env.NEXT_PUBLIC_STATIC_EXPORT === 'true' ||
  process.env.NEXT_PUBLIC_STATIC_EXPORT === true;

/**
 * This is used for any place that requires the full canonical URL path for the Node.js Website (and its deployment), such as for example, the Node.js RSS Feed.
 *
 * This variable can either come from the Vercel Deployment as `NEXT_PUBLIC_VERCEL_URL` or from the `NEXT_PUBLIC_BASE_URL` Environment Variable that is manually defined
 * by us if necessary. Otherwise it will fallback to the default Node.js Website URL.
 *
 * @see https://vercel.com/docs/concepts/projects/environment-variables/system-environment-variables#framework-environment-variables
 */
export const BASE_URL = process.env.NEXT_PUBLIC_BASE_URL
  ? process.env.NEXT_PUBLIC_BASE_URL
  : process.env.NEXT_PUBLIC_VERCEL_URL
    ? `https://${process.env.NEXT_PUBLIC_VERCEL_URL}`
    : 'https://nodejs.org';

/**
 * This is used for any place that requires the Node.js distribution URL (which by default is nodejs.org/dist)
 *
 * Note that this is a custom Environment Variable that can be defined by us when necessary
 */
export const DIST_URL =
  process.env.NEXT_PUBLIC_DIST_URL || 'https://nodejs.org/dist/';

/**
 * This is used for any place that requires the Node.js API Docs URL (which by default is nodejs.org/docs)
 *
 * Note that this is a custom Environment Variable that can be defined by us when necessary
 */
export const DOCS_URL =
  process.env.NEXT_PUBLIC_DOCS_URL || 'https://nodejs.org/docs/';

/**
 * Supports a manual override of the base path of the Website
 *
 * This is useful when running the deployment on a subdirectory
 * of a domain, such as when hosted on GitHub Pages.
 *
 * Note that this is a custom Environment Variable that can be defined by us when necessary
 */
export const BASE_PATH = process.env.NEXT_PUBLIC_BASE_PATH || '';

/**
 * This is used for fetching static next-data through the /en/next-data/ endpoint
 *
 * Note this is assumes that the Node.js Website is either running within Vercel Environment
 * or running locally (either production or development) mode
 *
 * Note this variable can be overridden via a manual Environment Variable defined by us if necessary.
 */
export const NEXT_DATA_URL = process.env.NEXT_PUBLIC_DATA_URL
  ? process.env.NEXT_PUBLIC_DATA_URL
  : VERCEL_ENV
    ? `${BASE_URL}${BASE_PATH}/en/next-data/`
    : `http://localhost:3000/en/next-data/`;

/**
 * This ReGeX is used to remove the `index.md(x)` suffix of a name and to remove
 * the `.md(x)` extensions of a filename.
 *
 * This RegEx is used to transform the file system pathnames into acceptable
 * Route Segments for Next.js Dynamic Routes on `pages/[...path].tsx`
 */
export const MD_EXTENSION_REGEX = /((\/)?(index))?\.mdx?$/i;

/**
 * This defines how many blog posts each pagination page should have
 */
export const BLOG_POSTS_PER_PAGE = 6;

/**
 * The `localStorage` key to store the theme choice of `next-themes`
 *
 * This is what allows us to store user preference for theming
 */
export const THEME_STORAGE_KEY = 'theme';

/**
 * This is a list of all external links that are used on website sitemap.
 * @see https://github.com/nodejs/nodejs.org/issues/5813 for more context
 */
export const EXTERNAL_LINKS_SITEMAP = [
  'https://terms-of-use.openjsf.org/',
  'https://privacy-policy.openjsf.org/',
  'https://bylaws.openjsf.org/',
  'https://code-of-conduct.openjsf.org/',
  'https://trademark-policy.openjsf.org/',
  'https://trademark-list.openjsf.org/',
  'https://www.linuxfoundation.org/cookies',
];

/**
 * These are the default Orama Query Parameters that are used by the Website
 * @see https://docs.oramasearch.com/open-source/usage/search/introduction
 */
export const DEFAULT_ORAMA_QUERY_PARAMS = {
  mode: 'fulltext',
  limit: 8,
  threshold: 0,
  boost: {
    pageSectionTitle: 4,
    pageSectionContent: 2.5,
    pageTitle: 1.5,
  },
  facets: {
    siteSection: {},
  },
};

/**
 * The default batch size to use when syncing Orama Cloud
 */
export const ORAMA_SYNC_BATCH_SIZE = 50;

/**
 * The default Orama Cloud endpoint to use when searching with Orama Cloud.
 */
export const ORAMA_CLOUD_ENDPOINT =
  process.env.NEXT_PUBLIC_ORAMA_ENDPOINT ||
  'https://cloud.orama.run/v1/indexes/nodejs-org-dev-hhqrzv';

/**
 * The default Orama Cloud API Key to use when searching with Orama Cloud.
 * This is a public API key and can be shared publicly on the frontend.
 */
export const ORAMA_CLOUD_API_KEY = process.env.NEXT_PUBLIC_ORAMA_API_KEY || '';