// Copyright (c) 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/*
  To use links in markdown, add key here with the link and
  use the added key in markdown.
  @example markdown
  Find more information about web development at [Learn more](exampleLink)
*/

// This is only exported for tests, and it should not be
// imported in any component, instead add link in map and
// use getMarkdownLink to get the appropriate link.
export const markdownLinks = new Map<string, string>([
  ['issuesContrastWCAG21AA', 'https://www.w3.org/TR/WCAG21/#contrast-minimum'],
  ['issuesContrastWCAG21AAA', 'https://www.w3.org/TR/WCAG21/#contrast-enhanced'],
  ['issuesContrastSuggestColor', 'https://developers.google.com/web/updates/2020/08/devtools#accessible-color'],
  ['issuesCSPSetStrict', 'https://web.dev/strict-csp'],
  [
    'issuesCSPWhyStrictOverAllowlist',
    'https://web.dev/strict-csp/#why-a-strict-csp-is-recommended-over-allowlist-csps',
  ],
  [
    'issueCorsPreflightRequest',
    'https://web.dev/cross-origin-resource-sharing/#preflight-requests-for-complex-http-calls',
  ],
  ['issueQuirksModeDoctype', 'https://web.dev/doctype/'],
  ['sameSiteAndSameOrigin', 'https://web.dev/same-site-same-origin/'],
  ['punycodeReference', 'https://wikipedia.org/wiki/Punycode'],
  // Link URLs for deprecation issues (see blink::Deprecation)
  ['https://xhr.spec.whatwg.org/', 'https://xhr.spec.whatwg.org/'],
  ['https://goo.gle/chrome-insecure-origins', 'https://goo.gle/chrome-insecure-origins'],
  ['https://webrtc.org/web-apis/chrome/unified-plan/', 'https://webrtc.org/web-apis/chrome/unified-plan/'],
  [
    'https://developer.chrome.com/blog/enabling-shared-array-buffer/',
    'https://developer.chrome.com/blog/enabling-shared-array-buffer/',
  ],
  ['https://developer.chrome.com/docs/extensions/mv3/', 'https://developer.chrome.com/docs/extensions/mv3/'],
  [
    'https://developer.chrome.com/blog/immutable-document-domain/',
    'https://developer.chrome.com/blog/immutable-document-domain/',
  ],
  [
    'https://github.com/WICG/shared-element-transitions/blob/main/debugging_overflow_on_images.md',
    'https://github.com/WICG/shared-element-transitions/blob/main/debugging_overflow_on_images.md',
  ],
  [
    'https://developer.chrome.com/docs/extensions/reference/privacy/#property-websites-privacySandboxEnabled',
    'https://developer.chrome.com/docs/extensions/reference/privacy/#property-websites-privacySandboxEnabled',
  ],
  ['PNASecureContextRestrictionFeatureStatus', 'https://chromestatus.com/feature/5954091755241472'],
  ['https://w3c.github.io/uievents/#legacy-event-types', 'https://w3c.github.io/uievents/#legacy-event-types'],
  ['manageCookiesHelpPage', 'https://support.google.com/chrome/answer/95647'],
  ['gracePeriodStagedControlExplainer', 'https://developers.google.com/privacy-sandbox/blog/grace-period-opt-out'],
]);

export const getMarkdownLink = (key: string): string => {
  if (/^https:\/\/www\.chromestatus\.com\//.test(key)) {
    return key;
  }
  if (/^https:\/\/developer\.chrome\.com\//.test(key)) {
    return key;
  }
  if (/^https:\/\/developers\.google\.com\//.test(key)) {
    return key;
  }
  if (/^https:\/\/web\.dev\//.test(key)) {
    return key;
  }
  const link = markdownLinks.get(key);
  if (!link) {
    throw new Error(`Markdown link with key '${key}' is not available, please check MarkdownLinksMap.ts`);
  }
  return link;
};