/* global $ */

import jQuery from 'jquery';

// bootstrap webpack, common libs, polyfills, and behaviors
import './webpack';
import './commons';
import './behaviors';

// lib/utils
import applyGitLabUIConfig from '@gitlab/ui/dist/config';
import { GlBreakpointInstance as bp } from '@gitlab/ui/dist/utils';
import { initRails } from '~/lib/utils/rails_ujs';
import * as popovers from '~/popovers';
import * as tooltips from '~/tooltips';
import { initPrefetchLinks } from '~/lib/utils/navigation_utility';
import { logHelloDeferred } from 'jh_else_ce/lib/logger/hello_deferred';
import initAlertHandler from './alert_handler';
import { addDismissFlashClickListener } from './flash';
import initTodoToggle from './header';
import initLayoutNav from './layout_nav';
import { handleLocationHash, addSelectOnFocusBehaviour } from './lib/utils/common_utils';
import { localTimeAgo } from './lib/utils/datetime/timeago_utility';
import { getLocationHash, visitUrl } from './lib/utils/url_utility';

// everything else
import initFeatureHighlight from './feature_highlight';
import LazyLoader from './lazy_loader';
import initLogoAnimation from './logo';
import initBreadcrumbs from './breadcrumb';
import initPersistentUserCallouts from './persistent_user_callouts';
import { initUserTracking, initDefaultTrackers } from './tracking';
import initServicePingConsent from './service_ping_consent';
import GlFieldErrors from './gl_field_errors';
import initUserPopovers from './user_popovers';
import initBroadcastNotifications from './broadcast_notification';
import { initTopNav } from './nav';
import { initCopyCodeButton } from './behaviors/copy_code';

import 'ee_else_ce/main_ee';
import 'jh_else_ce/main_jh';

logHelloDeferred();

applyGitLabUIConfig();

// expose jQuery as global (TODO: remove these)
window.jQuery = jQuery;
window.$ = jQuery;

// ensure that window.gl is set up
window.gl = window.gl || {};

// inject test utilities if necessary
if (process.env.NODE_ENV !== 'production' && gon?.test_env) {
  import(/* webpackMode: "eager" */ './test_utils/');
}

document.addEventListener('beforeunload', () => {
  // Unbind scroll events
  // eslint-disable-next-line @gitlab/no-global-event-off
  $(document).off('scroll');
  // Close any open tooltips
  tooltips.dispose(document.querySelectorAll('.has-tooltip, [data-toggle="tooltip"]'));
  // Close any open popover
  popovers.dispose();
});

window.addEventListener('hashchange', handleLocationHash);
window.addEventListener(
  'load',
  function onLoad() {
    window.removeEventListener('load', onLoad, false);
    handleLocationHash();
  },
  false,
);

gl.lazyLoader = new LazyLoader({
  scrollContainer: window,
  observerNode: '#content-body',
});

initRails();

// Put all initialisations here that can also wait after everything is rendered and ready
function deferredInitialisation() {
  const $body = $('body');

  initTopNav();
  initBreadcrumbs();
  initTodoToggle();
  initPrefetchLinks('.js-prefetch-document');
  initLogoAnimation();
  initServicePingConsent();
  initUserPopovers();
  initBroadcastNotifications();
  initPersistentUserCallouts();
  initDefaultTrackers();
  initFeatureHighlight();
  initCopyCodeButton();

  const helpToggle = document.querySelector('.header-help-dropdown-toggle');
  if (helpToggle) {
    helpToggle.addEventListener(
      'click',
      () => {
        import(/* webpackChunkName: 'versionCheck' */ './gitlab_version_check')
          .then(({ default: initGitlabVersionCheck }) => {
            initGitlabVersionCheck();
          })
          .catch(() => {});
      },
      { once: true },
    );
  }

  const searchInputBox = document.querySelector('#search');
  if (searchInputBox) {
    searchInputBox.addEventListener(
      'focus',
      () => {
        if (gon.features?.newHeaderSearch) {
          import(/* webpackChunkName: 'globalSearch' */ '~/header_search')
            .then(async ({ initHeaderSearchApp }) => {
              // In case the user started searching before we bootstrapped, let's pass the search along.
              const initialSearchValue = searchInputBox.value;
              await initHeaderSearchApp(initialSearchValue);
              // this is new #search input element. We need to re-find it.
              document.querySelector('#search').focus();
            })
            .catch(() => {});
        } else {
          import(/* webpackChunkName: 'globalSearch' */ './search_autocomplete')
            .then(({ default: initSearchAutocomplete }) => {
              const searchDropdown = initSearchAutocomplete();
              searchDropdown.onSearchInputFocus();
            })
            .catch(() => {});
        }
      },
      { once: true },
    );
  }

  addSelectOnFocusBehaviour('.js-select-on-focus');

  const glTooltipDelay = localStorage.getItem('gl-tooltip-delay');
  const delay = glTooltipDelay ? JSON.parse(glTooltipDelay) : 0;

  // Initialize tooltips
  tooltips.initTooltips({
    selector: '.has-tooltip, [data-toggle="tooltip"]',
    trigger: 'hover',
    boundary: 'viewport',
    delay,
  });

  // Initialize popovers
  popovers.initPopovers();

  // Adding a helper class to activate animations only after all is rendered
  setTimeout(() => $body.addClass('page-initialised'), 1000);

  if (window.gon?.features?.mrAttentionRequests) {
    import('~/attention_requests')
      .then((module) => module.default())
      .catch(() => {});
  }
}

const $body = $('body');
const $document = $(document);
const bootstrapBreakpoint = bp.getBreakpointSize();

initUserTracking();
initLayoutNav();
initAlertHandler();

// `hashchange` is not triggered when link target is already in window.location
$body.on('click', 'a[href^="#"]', function clickHashLinkCallback() {
  const href = this.getAttribute('href');
  if (href.substr(1) === getLocationHash()) {
    setTimeout(handleLocationHash, 1);
  }
});

/**
 * TODO: Apparently we are collapsing the right sidebar on certain screensizes per default
 * except on issue board pages. Why can't we do it with CSS?
 *
 * Proposal: Expose a global sidebar API, which we could import wherever we are manipulating
 * the visibility of the sidebar.
 *
 * Quick fix: Get rid of jQuery for this implementation
 */
const isBoardsPage = /(projects|groups):boards:show/.test(document.body.dataset.page);
if (
  !isBoardsPage &&
  !window.gon?.features?.movedMrSidebar &&
  (bootstrapBreakpoint === 'sm' || bootstrapBreakpoint === 'xs')
) {
  const $rightSidebar = $('aside.right-sidebar');
  const $layoutPage = $('.layout-page');

  if ($rightSidebar.length > 0) {
    $rightSidebar.removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
    $layoutPage.removeClass('right-sidebar-expanded').addClass('right-sidebar-collapsed');
  } else {
    $layoutPage.removeClass('right-sidebar-expanded right-sidebar-collapsed');
  }
}

// prevent default action for disabled buttons
$('.btn').click(function clickDisabledButtonCallback(e) {
  if ($(this).hasClass('disabled')) {
    e.preventDefault();
    e.stopImmediatePropagation();
    return false;
  }

  return true;
});

localTimeAgo(document.querySelectorAll('abbr.timeago, .js-timeago'), true);

/**
 * This disables form buttons while a form is submitting
 * We do not difinitively know all of the places where this is used
 *
 * TODO: Defer execution, migrate to behaviors, and add sentry logging
 */
$body.on('ajax:complete, ajax:beforeSend, submit', 'form', function ajaxCompleteCallback(e) {
  const $buttons = $('[type="submit"], .js-disable-on-submit', this).not('.js-no-auto-disable');
  switch (e.type) {
    case 'ajax:beforeSend':
    case 'submit':
      return $buttons.disable();
    default:
      return $buttons.enable();
  }
});

$('.navbar-toggler').on('click', () => {
  document.body.classList.toggle('top-nav-responsive-open');
});

/**
 * Show suppressed commit diff
 *
 * TODO: Move to commit diff pages
 */
$document.on('click', '.diff-content .js-show-suppressed-diff', function showDiffCallback() {
  const $container = $(this).parent();
  $container.next('table').show();
  $container.remove();
});

// Show/hide comments on diff
$body.on('click', '.js-toggle-diff-comments', function toggleDiffCommentsCallback(e) {
  const $this = $(this);
  const notesHolders = $this.closest('.diff-file').find('.notes_holder');

  e.preventDefault();

  $this.toggleClass('selected');

  if ($this.hasClass('active')) {
    notesHolders.show().find('.hide, .content').show();
  } else {
    notesHolders.hide().find('.content').hide();
  }

  $(document).trigger('toggle.comments');
});

$('form.filter-form').on('submit', function filterFormSubmitCallback(event) {
  const link = document.createElement('a');
  link.href = this.action;

  const action = `${this.action}${link.search === '' ? '?' : '&'}`;

  event.preventDefault();
  // eslint-disable-next-line no-jquery/no-serialize
  visitUrl(`${action}${$(this).serialize()}`);
});

const flashContainer = document.querySelector('.flash-container');

if (flashContainer && flashContainer.children.length) {
  flashContainer
    .querySelectorAll('.flash-alert, .flash-notice, .flash-success')
    .forEach((flashEl) => {
      addDismissFlashClickListener(flashEl);
    });
}

// initialize field errors
$('.gl-show-field-errors').each((i, form) => new GlFieldErrors(form));

requestIdleCallback(deferredInitialisation);
