/** runtime */
import 'regenerator-runtime';
/** Lit */
import {
  html,
  LitElement,
  css,
  unsafeCSS,
  TemplateResult,
  PropertyValueMap,
  nothing,
} from 'lit';
import { unsafeHTML } from 'lit-html/directives/unsafe-html.js';
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import { customElement, property, state } from 'lit/decorators.js';
import { msg, str, updateWhenLocaleChanges } from '@lit/localize';
import { createRef, Ref, ref } from 'lit/directives/ref.js';
/** Helpers */
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import sizeHelper from '@helpers/sizeHelper';
import { setLocale } from '@helpers/localisation';
import langHelper from '@helpers/langHelper';
/** Services */
import openIdConnect, {
  Response as OIDCResponse,
} from '@uportal/open-id-connect';
import userInfoService, { userInfo } from '@services/userInfoService';
import orgInfoService, { orgInfo } from '@services/orgInfoService';
import templateService, { template } from '@services/templateService';
import sessionService from '@services/sessionService';
/** Libraries */
import debounce from 'lodash/debounce';
import throttle from 'lodash/throttle';
/** Components */
import '@gip-recia/eyebrow-user-info-lit';
import '@gip-recia/esco-content-menu-lit';
/** Styles */
import scss from '@styles/extended-uportal-header.scss';
/** Images */
import defaultOrgIcon from '@images/default-org.icon.png';
import defaultOrgImage from '@images/default-org.png';
import defaultAvatar from '@images/default-avatar.svg';
/** Icons */
import { icon } from '@fortawesome/fontawesome-svg-core';
import { faRightToBracket } from '@fortawesome/free-solid-svg-icons/faRightToBracket';
import portletService from '@services/portletService';

interface properties {
  messages: unknown;
  domain: string;
  portailPath: string;
  serviceName: string;
  favoritesPortletCardSize: string;
  gridPortletCardSize: string;
  defaultOrgLogoUrl: string;
  defaultOrgLogoPath: string;
  forceOrgLogoUrl: string;
  forceOrgLogoPath: string;
  defaultOrgIconUrl: string;
  defaultOrgIconPath: string;
  defaultAvatarUrl: string;
  defaultAvatarPath: string;
  contextApiUrl: string;
  favoriteApiUrl: string;
  layoutApiUrl: string;
  portletApiUrl: string;
  organizationApiUrl: string;
  userInfoApiUrl: string;
  sessionApiUrl: string;
  templateApiUrl: string;
  templateApiPath: string;
  template: template | null;
  signOutUrl: string;
  userInfoPortletUrl: string;
  switchOrgPortletUrl: string;
  switchOrgEvent: boolean;
  orgAttributeName: string;
  orgLogoUrlAttributeName: string;
  userAllOrgsIdAttributeName: string;
  hideActionMode: 'auto' | 'always' | 'never';
  showFavoritesInSlider: boolean;
  iconType:
    | 'hamburger'
    | 'four-square'
    | 'four-empty-square'
    | 'nine-square'
    | 'nine-empty-square'
    | 'four-circle'
    | 'four-empty-circle'
    | 'nine-circle'
    | 'nine-empty-circle';
  returnHomeTarget: string;
  returnHomeTitle: string | null;
  height: string;
  sessionRenewDisable: boolean;
  portletInfoApiUrl: string;
  fname: string;
  debug: boolean;
}

type overridableProperties = Omit<
  properties,
  'templateApiUrl' | 'templateApiPath' | 'template'
>;

@customElement('extended-uportal-header')
// eslint-disable-next-line @typescript-eslint/no-unused-vars
export class ExtendedUportalHeader extends LitElement {
  @property({ type: Object })
  messages = [];
  @property({ type: String })
  domain = '';
  @property({ type: String, attribute: 'portail-path' })
  portailPath = '';
  @property({ type: String, attribute: 'service-name' })
  serviceName = '';
  @property({
    type: String,
    hasChanged(newVal: string) {
      return sizeHelper.validate(newVal, true, true);
    },
    attribute: 'favorites-portlet-card-size',
  })
  favoritesPortletCardSize = 'small';
  @property({
    type: String,
    hasChanged(newVal: string) {
      return sizeHelper.validate(newVal, true, true);
    },
    attribute: 'grid-portlet-card-size',
  })
  gridPortletCardSize = 'medium';
  @property({ type: String, attribute: 'default-org-logo-url' })
  defaultOrgLogoUrl = '';
  @property({ type: String, attribute: 'default-org-logo-path' })
  defaultOrgLogoPath = '';
  @property({ type: String, attribute: 'force-org-logo-url' })
  forceOrgLogoUrl = '';
  @property({ type: String, attribute: 'force-org-logo-path' })
  forceOrgLogoPath = '';
  @property({ type: String, attribute: 'default-org-icon-url' })
  defaultOrgIconUrl = '';
  @property({ type: String, attribute: 'default-org-icon-path' })
  defaultOrgIconPath = '';
  @property({ type: String, attribute: 'default-avatar-url' })
  defaultAvatarUrl = '';
  @property({ type: String, attribute: 'default-avatar-path' })
  defaultAvatarPath = '';
  @property({ type: String, attribute: 'context-api-url' })
  contextApiUrl = process.env.APP_PORTAL_CONTEXT ?? '';
  @property({ type: String, attribute: 'favorite-api-url' })
  favoriteApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_FAVORITES_PORTLETS_URI ?? '');
  @property({ type: String, attribute: 'layout-api-url' })
  layoutApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_FAVORITES_URI ?? '');
  @property({ type: String, attribute: 'portlet-api-url' })
  portletApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_BROWSABLE_PORTLETS_URI ?? '');
  @property({ type: String, attribute: 'organization-api-url' })
  organizationApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_ORG_API_URI ?? '');
  @property({ type: String, attribute: 'user-info-api-url' })
  userInfoApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_USER_INFO_URI ?? '');
  @property({ type: String, attribute: 'session-api-url' })
  sessionApiUrl =
    (process.env.APP_PORTAL_CONTEXT ?? '') +
    (process.env.APP_SESSION_URI ?? '');
  @property({ type: String, attribute: 'template-api-url' })
  templateApiUrl = '';
  @property({ type: String, attribute: 'template-api-path' })
  templateApiPath = process.env.APP_TPL_API_PATH ?? '';
  @property({ type: Object })
  template: template | null = null;
  @property({ type: String, attribute: 'sign-out-url' })
  signOutUrl = process.env.APP_LOGOUT_URL ?? '';
  @property({ type: String, attribute: 'sign-in-url' })
  signInUrl = '';
  @property({ type: String, attribute: 'user-info-portlet-url' })
  userInfoPortletUrl = '';
  @property({ type: String, attribute: 'switch-org-portlet-url' })
  switchOrgPortletUrl = '';
  @property({ type: Boolean, attribute: 'switch-org-event' })
  switchOrgEvent = false;
  @property({ type: String, attribute: 'user-org-id-attribute-name' })
  orgAttributeName = 'ESCOSIRENCourant[0]';
  @property({ type: String, attribute: 'org-logo-url-attribute-name' })
  orgLogoUrlAttributeName = 'otherAttributes.ESCOStructureLogo[0]';
  @property({ type: String, attribute: 'user-all-orgs-id-attribute-name' })
  userAllOrgsIdAttributeName = 'ESCOSIREN';
  @property({
    type: String,
    hasChanged(newVal: string) {
      return ['auto', 'always', 'never'].includes(newVal);
    },
    attribute: 'hide-action-mode',
  })
  hideActionMode = 'auto';
  @property({ type: Boolean, attribute: 'show-favorites-in-slider' })
  showFavoritesInSlider = false;
  @property({
    type: String,
    hasChanged(newVal: string) {
      return [
        'hamburger',
        'four-square',
        'four-empty-square',
        'nine-square',
        'nine-empty-square',
        'four-circle',
        'four-empty-circle',
        'nine-circle',
        'nine-empty-circle',
      ].includes(newVal);
    },
    attribute: 'icon-type',
  })
  iconType = 'hamburger';
  @property({
    type: String,
    attribute: 'return-home-target',
    hasChanged(newVal: string) {
      return ['_self', '_blank'].includes(newVal);
    },
  })
  returnHomeTarget = '_self';
  @property({ type: String, attribute: 'return-home-title' })
  returnHomeTitle: string | null = null;
  @property({ type: String })
  height = 'auto';
  @property({ type: Boolean, attribute: 'disable-session-renew' })
  sessionRenewDisable = false;
  @property({ type: Object, attribute: 'dont-override' })
  dontOverride: Array<keyof overridableProperties> | null = null;
  @property({ type: String, attribute: 'portlet-info-api-url' })
  portletInfoApiUrl = '';
  @property({ type: String })
  fname = '';
  @property({ type: Boolean })
  debug = false;

  @state()
  private _loaded: number | boolean = false;
  @state()
  private _userApiResult: OIDCResponse | null = null;

  private _sessionTimeout = 300000;
  private _tokenExpireTime = 0;
  private _loadingToken = false;
  private _userInfos: userInfo | null = null;
  private _orgInfos: orgInfo | null = null;
  private _loadingData = false;
  private _loadingTemplate = false;

  hamburgerRef: Ref<HTMLElement> = createRef();

  constructor() {
    super();
    if (this.domain === '') {
      this.domain = window.document.domain;
    }
    const lhOpts = {
      languageCodeOnly: true,
      availableLanguages: ['fr', 'en'],
      defaultLanguage: 'en',
    };
    const lang = langHelper.getPageLang(lhOpts);
    setLocale(lang);
    langHelper.setLocale(lang);
    updateWhenLocaleChanges(this);
  }

  connectedCallback(): void {
    super.connectedCallback();
    ['mousemove', 'click', 'keypress'].every((event) =>
      document.addEventListener(event, this._handleUserAction.bind(this))
    );
    window.addEventListener('eyebrow-user-info', (e: Event) => {
      if ((e as CustomEvent).detail.type === 'change-etab') {
        this.hamburgerRef.value?.dispatchEvent(new CustomEvent('switch-org'));
      }
    });
  }

  disconnectedCallback(): void {
    super.disconnectedCallback();
    ['mousemove', 'click', 'keypress'].every((event) =>
      document.removeEventListener(event, this._handleUserAction.bind(this))
    );
  }

  protected shouldUpdate(
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    _changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>
  ): boolean {
    if (_changedProperties.has('messages')) {
      langHelper.setReference(this.messages);
    }
    if (
      !this.template &&
      !this._loadingTemplate &&
      !this._loaded &&
      !this._loadingData
    ) {
      this._firstLoad();
    }
    if (
      _changedProperties.has('userInfoApiUrl') ||
      _changedProperties.has('layoutApiUrl') ||
      _changedProperties.has('organizationApiUrl')
    ) {
      this._debounceLoad();
    }
    if (
      _changedProperties.has('template') ||
      _changedProperties.has('templateApiUrl') ||
      _changedProperties.has('templateApiPath')
    ) {
      this._debounceGetTemplate();
    }

    if (!this._loaded) {
      return false;
    }
    return true;
  }

  private async _firstLoad() {
    await this._getTemplate();
    this._loadPortletInformations();
    this._debounceLoad();
  }

  private _debounceLoad = debounce(this._load.bind(this), 500);

  private async _load() {
    this._loadingData = true;
    await this._renewToken();
    const previusStatus = this._userInfos;
    this._userInfos = await userInfoService.get(
      this._makeUrl(this.userInfoApiUrl),
      this._makeUrl(this.layoutApiUrl),
      this.orgAttributeName,
      this.userAllOrgsIdAttributeName,
      this._userApiResult,
      this.debug
    );
    if (this._userInfos?.orgId) {
      this._orgInfos = await orgInfoService.get(
        this._makeUrl(this.userInfoApiUrl),
        this._makeUrl(this.organizationApiUrl),
        this._userInfos.orgId,
        this._userApiResult,
        this.debug
      );
    }
    this._loadingData = false;
    if (previusStatus != this._userInfos) {
      this._loaded = Date.now();
      return;
    }
    this._loaded = true;
  }

  private _debounceRenewToken = debounce(this._renewToken.bind(this), 500);

  private async _renewToken() {
    const currentTime = Math.ceil(Date.now() / 1000);
    if (
      !this.debug &&
      !this._loadingToken &&
      currentTime >= this._tokenExpireTime
    ) {
      this._loadingToken = true;
      this._userApiResult = await openIdConnect({
        userInfoApiUrl: this._makeUrl(this.userInfoApiUrl),
      });
      this._tokenExpireTime = this._userApiResult.decoded.exp - 5 ?? 0;
      this._loadingToken = false;
    }
  }

  private _throttleRenewSession = throttle(
    this._renewSession.bind(this),
    this._sessionTimeout
  );

  private async _renewSession() {
    if (this.sessionRenewDisable) {
      this._debounceLoad();
      return;
    }
    const session = await sessionService.get(this._makeUrl(this.sessionApiUrl));
    if (session !== null) {
      if (this._loaded && this._isConnected() && !session.isConnected)
        this._debounceLoad();
    }
  }

  private _debounceGetTemplate = debounce(this._getTemplate.bind(this), 500);

  private async _getTemplate() {
    if (this.template !== null) return;
    this._loadingTemplate = true;
    this.template = await templateService.get(this._tplApiUrl(), this.domain);
    await this._overrideProperties();
    this._loadingTemplate = false;
  }

  private _defaultProperties: properties = {
    messages: [],
    domain: '',
    portailPath: '',
    serviceName: '',
    favoritesPortletCardSize: 'small',
    gridPortletCardSize: 'medium',
    defaultOrgLogoUrl: '',
    defaultOrgLogoPath: '',
    forceOrgLogoUrl: '',
    forceOrgLogoPath: '',
    defaultOrgIconUrl: '',
    defaultOrgIconPath: '',
    defaultAvatarUrl: '',
    defaultAvatarPath: '',
    contextApiUrl: '',
    favoriteApiUrl: '',
    layoutApiUrl: '',
    portletApiUrl: '',
    organizationApiUrl: '',
    userInfoApiUrl: '',
    sessionApiUrl: '',
    templateApiUrl: '',
    templateApiPath: '',
    template: null,
    signOutUrl: '',
    userInfoPortletUrl: '',
    switchOrgPortletUrl: '',
    switchOrgEvent: false,
    orgAttributeName: 'ESCOSIRENCourant[0]',
    orgLogoUrlAttributeName: 'otherAttributes.ESCOStructureLogo[0]',
    userAllOrgsIdAttributeName: 'ESCOSIREN',
    hideActionMode: 'auto',
    showFavoritesInSlider: false,
    iconType: 'hamburger',
    returnHomeTarget: '_self',
    returnHomeTitle: null,
    height: 'auto',
    sessionRenewDisable: false,
    portletInfoApiUrl: '',
    fname: '',
    debug: false,
  };

  private async _overrideProperties() {
    let config = this.template?.config;
    if (config) {
      config = Object.fromEntries(
        Object.entries(config).map(([key, value]) => [
          key.replace(/-./g, (m) => m.toUpperCase()[1]),
          value,
        ])
      );

      for (const [key, value] of Object.entries(config)) {
        const currentValue = this[key as keyof overridableProperties];
        const defaultValue =
          this._defaultProperties[key as keyof overridableProperties];
        const keepCurrent = !!this.dontOverride?.includes(
          key as keyof overridableProperties
        );

        let override = false;
        switch (typeof currentValue) {
          case 'object':
            if (
              Array.isArray(currentValue) &&
              Array.isArray(defaultValue) &&
              currentValue.every((val) => defaultValue.includes(val))
            )
              override = true;
            else if (defaultValue === null) {
              if (currentValue === defaultValue || currentValue.length === 0)
                override = true;
            }
            break;
          default:
            if (currentValue === defaultValue || currentValue === '')
              override = true;
            break;
        }

        this.debug &&
          console.log({
            key,
            current: { value: currentValue, type: typeof currentValue },
            default: { value: defaultValue, type: typeof defaultValue },
            received: { value, type: typeof value },
            override,
            keepCurrent,
          });

        if (override && !keepCurrent) {
          this[key as keyof overridableProperties] = value as never;
          if (key === 'messages') langHelper.setReference(this.messages);
        }
      }
    }
  }

  private async _loadPortletInformations() {
    if (
      this.portletInfoApiUrl === '' ||
      this.fname === '' ||
      this.serviceName !== ''
    )
      return;
    const data = await portletService.get(
      this._makeUrl(this.portletInfoApiUrl),
      this.fname
    );
    if (data) this.serviceName = data.title;
  }

  private _handleUserAction() {
    if (this._loaded) {
      this._debounceRenewToken();
      if (!this.sessionRenewDisable) this._throttleRenewSession();
    }
  }

  private _makeUrl(path: string, domain = ''): string {
    if (path.startsWith('http')) return path;
    const protocol = this.debug ? 'http' : 'https';
    return `${protocol}://${domain == '' ? this.domain : domain}${path}`;
  }

  private _defaultOrgLogo() {
    return this.defaultOrgLogoUrl != ''
      ? this.defaultOrgLogoUrl
      : this.defaultOrgLogoPath != ''
      ? this._makeUrl(this.defaultOrgLogoPath)
      : defaultOrgImage;
  }

  private _forceOrgLogo() {
    return this.forceOrgLogoUrl != ''
      ? this.forceOrgLogoUrl
      : this.forceOrgLogoPath != ''
      ? this._makeUrl(this.forceOrgLogoPath)
      : false;
  }

  private _picture() {
    return this._userInfos?.picture
      ? this._makeUrl(this._userInfos.picture)
      : this.defaultAvatarUrl != ''
      ? this.defaultAvatarUrl
      : this.defaultAvatarPath != ''
      ? this._makeUrl(this.defaultAvatarPath)
      : defaultAvatar;
  }

  private _orgIconUrl() {
    return this.template?.iconPath
      ? this._makeUrl(this.template?.iconPath)
      : this.defaultOrgIconUrl != ''
      ? this.defaultOrgIconUrl
      : this.defaultOrgIconPath != ''
      ? this._makeUrl(this.defaultOrgIconPath)
      : defaultOrgIcon;
  }

  private _tplApiUrl() {
    return this.templateApiUrl != ''
      ? this.templateApiUrl
      : this.templateApiPath != ''
      ? this._makeUrl(this.templateApiPath)
      : '';
  }

  private _isConnected(): boolean {
    return this._userInfos !== null && this._orgInfos !== null;
  }

  render(): TemplateResult {
    this._preRender();
    return this._isConnected() || this.signInUrl !== ''
      ? html`
          <div id="extended-uportal-header-container">
            ${this._renderMenu()}
            <div id="extended-uportal-header-org">
              <slot name="brand">
                <a
                  class="org-logo"
                  href="${this._makeUrl(this.portailPath)}"
                  target="${this.returnHomeTarget}"
                  title="${this.returnHomeTitle ??
                  this.template?.name ??
                  langHelper.localTranslation(
                    'message.header.gotoportal',
                    msg(str`go to the portal`)
                  )}"
                >
                  <img
                    src="${this._orgIconUrl()}"
                    height="28px"
                    alt="${this.template?.name ??
                    langHelper.localTranslation(
                      'message.header.icon',
                      msg(str`portal icon`)
                    )}"
                  />
                </a>
                <p class="org-display-name" tabindex="0">
                  ${this._orgInfos?.displayName.toUpperCase()}
                  ${this.serviceName != ''
                    ? html`<span class="service-name">
                        > ${this.serviceName}</span
                      >`
                    : ''}
                </p>
              </slot>
            </div>
            ${this._renderUser()}
          </div>
        `
      : html` <slot name="not-loaded"></slot> `;
  }

  private _preRender() {
    if (this.template?.color) {
      this.style.setProperty(
        '--ext-header-tpl-primary-color',
        this.template?.color
      );
    }
    if (this.template?.iconOpacity) {
      this.style.setProperty(
        '--ext-header-tpl-icon-opacity',
        this.template.iconOpacity.toString()
      );
    }
    if (this.height !== 'auto') {
      this.style.setProperty('--ext-header-tpl-height', this.height);
    }
  }

  private _renderMenu() {
    const userApiResult = this._userApiResult
      ? JSON.stringify(this._userApiResult)
      : nothing;
    return this._userInfos && this._orgInfos
      ? html` <div id="extended-uportal-header-menu">
          <slot name="menu">
            <esco-hamburger-menu
              ${ref(this.hamburgerRef)}
              .messages=${this.messages}
              portal-base-url="${this.domain}"
              favorites-portlet-card-size="${this.favoritesPortletCardSize}"
              grid-portlet-card-size="${this.gridPortletCardSize}"
              default-org-logo="${this._defaultOrgLogo()}"
              ?force-org-logo="${this._forceOrgLogo()}"
              context-api-url="${this.contextApiUrl}"
              favorite-api-url="${this.favoriteApiUrl}"
              layout-api-url="${this.layoutApiUrl}"
              portlet-api-url="${this.portletApiUrl}"
              organization-api-url="${this.organizationApiUrl}"
              user-info-api-url="${this.userInfoApiUrl}"
              user-info=${userApiResult}
              sign-out-url="${this.signOutUrl}"
              user-info-portlet-url="${this.userInfoPortletUrl}"
              switch-org-portlet-url="${this.switchOrgPortletUrl}"
              ?switch-org-event=${this.switchOrgEvent}
              user-org-id-attribute-name="${this.orgAttributeName}"
              org-logo-url-attribute-name="${this.orgLogoUrlAttributeName}"
              user-all-orgs-id-attribute-name="${this
                .userAllOrgsIdAttributeName}"
              hide-action-mode="${this.hideActionMode}"
              ?show-favorites-in-slider=${this.showFavoritesInSlider}
              icon-type=${this.iconType}
              ?debug=${this.debug}
            >
            </esco-hamburger-menu>
          </slot>
        </div>`
      : html``;
  }

  private _renderUser() {
    const signInIcon = `${icon(faRightToBracket).html}`;
    return this._userInfos && this._orgInfos
      ? html`<div id="extended-uportal-header-user">
          <slot name="user">
            <eyebrow-user-info
              .messages=${this.messages}
              portal-base-url="${this.domain}"
              :menu-is-dark="false"
              display-name="${this._userInfos.displayName}"
              picture="${this._picture()}"
              avatar-size="28px"
              config='{
                "notification": false,
                "settings": {
                  "link": "${this.userInfoPortletUrl}"
                },
                "info-etab": false,
                "change-etab": ${this._userInfos.hasOtherOrgs
                ? !this.switchOrgPortletUrl.includes('/p/')
                  ? '{ "link": null }'
                  : `{ "link": "${this._makeUrl(this.switchOrgPortletUrl)}" }`
                : 'false'},
                "starter": false,
                "logout": {
                  "link": "${this.signOutUrl}"
                }
              }'
              force-new-ui
            ></eyebrow-user-info>
          </slot>
        </div>`
      : html`<div id="extended-uportal-header-login">
          <slot name="login">
            <a
              href="${this.signInUrl}"
              target="_self"
              class="login-button"
              title="${langHelper.localTranslation(
                'message.header.login',
                msg(str`login`)
              )}"
            >
              <span class="sign-in-icon">${unsafeHTML(signInIcon)}</span>
              ${langHelper.localTranslation(
                'message.header.login',
                msg(str`login`)
              )}
            </a>
          </slot>
        </div>`;
  }

  static styles = css`
    ${unsafeCSS(scss)}
  `;
}