/**
 * Toolbar component.
 * @module components/manage/Toolbar/Toolbar
 */

import React, { Component } from 'react';
import { defineMessages, injectIntl } from 'react-intl';
import PropTypes from 'prop-types';
import { Link } from 'react-router-dom';
import jwtDecode from 'jwt-decode';
import { connect } from 'react-redux';
import { compose } from 'redux';
import doesNodeContainClick from 'semantic-ui-react/dist/commonjs/lib/doesNodeContainClick';
import { withCookies } from 'react-cookie';
import filter from 'lodash/filter';
import find from 'lodash/find';
import cx from 'classnames';
import config from '@plone/volto/registry';

import More from '@plone/volto/components/manage/Toolbar/More';
import PersonalTools from '@plone/volto/components/manage/Toolbar/PersonalTools';
import Types from '@plone/volto/components/manage/Toolbar/Types';
import PersonalInformation from '@plone/volto/components/manage/Preferences/PersonalInformation';
import PersonalPreferences from '@plone/volto/components/manage/Preferences/PersonalPreferences';
import StandardWrapper from '@plone/volto/components/manage/Toolbar/StandardWrapper';
import { getTypes } from '@plone/volto/actions/types/types';
import { listActions } from '@plone/volto/actions/actions/actions';
import { setExpandedToolbar } from '@plone/volto/actions/toolbar/toolbar';
import { unlockContent } from '@plone/volto/actions/content/content';
import Icon from '@plone/volto/components/theme/Icon/Icon';
import BodyClass from '@plone/volto/helpers/BodyClass/BodyClass';
import { getBaseUrl } from '@plone/volto/helpers/Url/Url';
import { getCookieOptions } from '@plone/volto/helpers/Cookies/cookies';
import { hasApiExpander } from '@plone/volto/helpers/Utils/Utils';
import { Pluggable } from '@plone/volto/components/manage/Pluggable';

import penSVG from '@plone/volto/icons/pen.svg';
import unlockSVG from '@plone/volto/icons/unlock.svg';
import folderSVG from '@plone/volto/icons/folder.svg';
import addSVG from '@plone/volto/icons/add-document.svg';
import moreSVG from '@plone/volto/icons/more.svg';
import userSVG from '@plone/volto/icons/user.svg';
import backSVG from '@plone/volto/icons/back.svg';
import clearSVG from '@plone/volto/icons/clear.svg';

const messages = defineMessages({
  edit: {
    id: 'Edit',
    defaultMessage: 'Edit',
  },
  contents: {
    id: 'Contents',
    defaultMessage: 'Contents',
  },
  add: {
    id: 'Add',
    defaultMessage: 'Add',
  },
  more: {
    id: 'More',
    defaultMessage: 'More',
  },
  personalTools: {
    id: 'Personal tools',
    defaultMessage: 'Personal tools',
  },
  shrinkToolbar: {
    id: 'Shrink toolbar',
    defaultMessage: 'Shrink toolbar',
  },
  personalInformation: {
    id: 'Personal Information',
    defaultMessage: 'Personal Information',
  },
  personalPreferences: {
    id: 'Personal Preferences',
    defaultMessage: 'Personal Preferences',
  },
  collection: {
    id: 'Collection',
    defaultMessage: 'Collection',
  },
  file: {
    id: 'File',
    defaultMessage: 'File',
  },
  link: {
    id: 'Link',
    defaultMessage: 'Link',
  },
  newsItem: {
    id: 'News Item',
    defaultMessage: 'News Item',
  },
  page: {
    id: 'Page',
    defaultMessage: 'Page',
  },
  back: {
    id: 'Back',
    defaultMessage: 'Back',
  },
  unlock: {
    id: 'Unlock',
    defaultMessage: 'Unlock',
  },
});

let toolbarComponents = {
  personalTools: { component: PersonalTools, wrapper: null },
  more: { component: More, wrapper: null },
  types: { component: Types, wrapper: null, contentAsProps: true },
  profile: {
    component: PersonalInformation,
    wrapper: StandardWrapper,
    wrapperTitle: messages.personalInformation,
    hideToolbarBody: true,
  },
  preferences: {
    component: PersonalPreferences,
    wrapper: StandardWrapper,
    wrapperTitle: messages.personalPreferences,
    hideToolbarBody: true,
  },
};

/**
 * Toolbar container class.
 * @class Toolbar
 * @extends Component
 */
class Toolbar extends Component {
  /**
   * Property types.
   * @property {Object} propTypes Property types.
   * @static
   */
  static propTypes = {
    actions: PropTypes.shape({
      object: PropTypes.arrayOf(PropTypes.object),
      object_buttons: PropTypes.arrayOf(PropTypes.object),
      user: PropTypes.arrayOf(PropTypes.object),
    }),
    token: PropTypes.string,
    userId: PropTypes.string,
    pathname: PropTypes.string.isRequired,
    content: PropTypes.shape({
      '@type': PropTypes.string,
      is_folderish: PropTypes.bool,
      review_state: PropTypes.string,
    }),
    getTypes: PropTypes.func.isRequired,
    types: PropTypes.arrayOf(
      PropTypes.shape({
        '@id': PropTypes.string,
        addable: PropTypes.bool,
        title: PropTypes.string,
      }),
    ),
    listActions: PropTypes.func.isRequired,
    unlockContent: PropTypes.func,
    unlockRequest: PropTypes.objectOf(PropTypes.any),
    inner: PropTypes.element.isRequired,
    hideDefaultViewButtons: PropTypes.bool,
  };

  /**
   * Default properties.
   * @property {Object} defaultProps Default properties.
   * @static
   */
  static defaultProps = {
    actions: null,
    token: null,
    userId: null,
    content: null,
    hideDefaultViewButtons: false,
    types: [],
  };

  toolbarRef = React.createRef();
  toolbarWindow = React.createRef();
  buttonRef = React.createRef();

  constructor(props) {
    super(props);
    const { cookies } = props;
    this.state = {
      expanded: cookies.get('toolbar_expanded') !== 'false',
      showMenu: false,
      menuStyle: {},
      menuComponents: [],
      loadedComponents: [],
      hideToolbarBody: false,
    };
  }

  /**
   * Component will mount
   * @method componentDidMount
   * @returns {undefined}
   */
  componentDidMount() {
    // Do not trigger the actions action if the expander is present
    if (!hasApiExpander('actions', getBaseUrl(this.props.pathname))) {
      this.props.listActions(getBaseUrl(this.props.pathname));
    }
    // Do not trigger the types action if the expander is present
    if (!hasApiExpander('types', getBaseUrl(this.props.pathname))) {
      this.props.getTypes(getBaseUrl(this.props.pathname));
    }
    toolbarComponents = {
      ...(config.settings
        ? config.settings.additionalToolbarComponents || {}
        : {}),
      ...toolbarComponents,
    };
    this.props.setExpandedToolbar(this.state.expanded);
    document.addEventListener('mousedown', this.handleClickOutside, false);
  }

  /**
   * Component will receive props
   * @method componentWillReceiveProps
   * @param {Object} nextProps Next properties
   * @returns {undefined}
   */
  UNSAFE_componentWillReceiveProps(nextProps) {
    if (nextProps.pathname !== this.props.pathname) {
      // Do not trigger the actions action if the expander is present
      if (!hasApiExpander('actions', getBaseUrl(nextProps.pathname))) {
        this.props.listActions(getBaseUrl(nextProps.pathname));
      }
      // Do not trigger the types action if the expander is present
      if (!hasApiExpander('types', getBaseUrl(nextProps.pathname))) {
        this.props.getTypes(getBaseUrl(nextProps.pathname));
      }
    }

    // Unlock
    if (this.props.unlockRequest.loading && nextProps.unlockRequest.loaded) {
      this.props.listActions(getBaseUrl(nextProps.pathname));
    }
  }

  /**
   * Component will receive props
   * @method componentWillUnmount
   * @returns {undefined}
   */
  componentWillUnmount() {
    document.removeEventListener('mousedown', this.handleClickOutside, false);
  }

  handleShrink = () => {
    const { cookies } = this.props;
    cookies.set('toolbar_expanded', !this.state.expanded, getCookieOptions());
    this.setState(
      (state) => ({ expanded: !state.expanded }),
      () => this.props.setExpandedToolbar(this.state.expanded),
    );
  };

  closeMenu = () => {
    this.setState(() => ({ showMenu: false, loadedComponents: [] }));
  };

  loadComponent = (type) => {
    const { loadedComponents } = this.state;
    if (!this.state.loadedComponents.includes(type)) {
      this.setState({
        loadedComponents: [...loadedComponents, type],
        hideToolbarBody: toolbarComponents[type].hideToolbarBody || false,
      });
    }
  };

  unloadComponent = () => {
    this.setState((state) => ({
      loadedComponents: state.loadedComponents.slice(0, -1),
      hideToolbarBody:
        toolbarComponents[
          state.loadedComponents[state.loadedComponents.length - 2]
        ].hideToolbarBody || false,
    }));
  };

  toggleButtonPressed = (e) => {
    const target = e.target;
    const button =
      target.tagName === 'BUTTON'
        ? target
        : this.findAncestor(e.target, 'button');
    this.buttonRef.current = button;
  };

  toggleMenu = (e, selector) => {
    if (this.state.showMenu) {
      this.closeMenu();
      return;
    }
    // PersonalTools always shows at bottom
    if (selector === 'personalTools') {
      this.setState((state) => ({
        showMenu: !state.showMenu,
        menuStyle: { bottom: 0 },
      }));
    } else if (selector === 'more') {
      this.setState((state) => ({
        showMenu: !state.showMenu,
        menuStyle: {
          overflow: 'visible',
          top: 0,
        },
      }));
    } else {
      this.setState((state) => ({
        showMenu: !state.showMenu,
        menuStyle: { top: 0 },
      }));
    }
    this.toggleButtonPressed(e);
    this.loadComponent(selector);
  };

  findAncestor = (el, sel) => {
    while (
      (el = el.parentElement) &&
      !(el.matches || el.matchesSelector).call(el, sel)
    );
    return el;
  };

  handleClickOutside = (e) => {
    const target = e.target;
    if (this.pusher && doesNodeContainClick(this.pusher, e)) return;

    // if the click is on the same button, do not close the menu as it
    // may be handled by the toggleMenu action
    const button =
      doesNodeContainClick(this.toolbarRef.current, e) &&
      this.findAncestor(target, 'button');
    if (button && button === this.buttonRef.current) return;

    this.closeMenu();
  };

  unlock = (e) => {
    this.props.unlockContent(getBaseUrl(this.props.pathname), true);
  };

  /**
   * Render method.
   * @method render
   * @returns {string} Markup for the component.
   */
  render() {
    const path = getBaseUrl(this.props.pathname);
    const lock = this.props.content?.lock;
    const unlockAction =
      lock?.locked && lock?.stealable && lock?.creator !== this.props.userId;
    const editAction =
      !unlockAction && find(this.props.actions.object, { id: 'edit' });
    const folderContentsAction = find(this.props.actions.object, {
      id: 'folderContents',
    });
    const { expanded } = this.state;

    return (
      this.props.token && (
        <>
          <BodyClass
            className={expanded ? 'has-toolbar' : 'has-toolbar-collapsed'}
          />
          <div
            style={this.state.menuStyle}
            className={
              this.state.showMenu ? 'toolbar-content show' : 'toolbar-content'
            }
            ref={this.toolbarWindow}
          >
            {this.state.showMenu && (
              // This sets the scroll locker in the body tag in mobile
              <BodyClass className="has-toolbar-menu-open" />
            )}
            <div
              className="pusher-puller"
              ref={(node) => (this.pusher = node)}
              style={{
                transform: this.toolbarWindow.current
                  ? `translateX(-${
                      (this.state.loadedComponents.length - 1) *
                      this.toolbarWindow.current.getBoundingClientRect().width
                    }px)`
                  : null,
              }}
            >
              {this.state.loadedComponents.map((component, index) =>
                (() => {
                  const ToolbarComponent =
                    toolbarComponents[component].component;
                  const WrapperComponent = toolbarComponents[component].wrapper;
                  const haveActions =
                    toolbarComponents[component].hideToolbarBody;
                  const title =
                    toolbarComponents[component].wrapperTitle &&
                    this.props.intl.formatMessage(
                      toolbarComponents[component].wrapperTitle,
                    );
                  if (WrapperComponent) {
                    return (
                      <WrapperComponent
                        componentName={component}
                        componentTitle={title}
                        pathname={this.props.pathname}
                        loadComponent={this.loadComponent}
                        unloadComponent={this.unloadComponent}
                        componentIndex={index}
                        theToolbar={this.toolbarWindow}
                        key={`personalToolsComponent-${index}`}
                        closeMenu={this.closeMenu}
                        hasActions={haveActions}
                      >
                        <ToolbarComponent
                          pathname={this.props.pathname}
                          loadComponent={this.loadComponent}
                          unloadComponent={this.unloadComponent}
                          componentIndex={index}
                          theToolbar={this.toolbarWindow}
                          closeMenu={this.closeMenu}
                          isToolbarEmbedded
                        />
                      </WrapperComponent>
                    );
                  } else {
                    return (
                      <ToolbarComponent
                        pathname={this.props.pathname}
                        loadComponent={this.loadComponent}
                        unloadComponent={this.unloadComponent}
                        componentIndex={index}
                        theToolbar={this.toolbarWindow}
                        key={`personalToolsComponent-${index}`}
                        closeMenu={this.closeMenu}
                        content={
                          toolbarComponents[component].contentAsProps
                            ? this.props.content
                            : null
                        }
                      />
                    );
                  }
                })(),
              )}
            </div>
          </div>
          <div
            className={this.state.expanded ? 'toolbar expanded' : 'toolbar'}
            ref={this.toolbarRef}
          >
            <div className="toolbar-body">
              <div className="toolbar-actions">
                {this.props.hideDefaultViewButtons && this.props.inner && (
                  <>{this.props.inner}</>
                )}
                {!this.props.hideDefaultViewButtons && (
                  <>
                    {unlockAction && (
                      <button
                        aria-label={this.props.intl.formatMessage(
                          messages.unlock,
                        )}
                        className="unlock"
                        onClick={(e) => this.unlock(e)}
                        tabIndex={0}
                      >
                        <Icon
                          name={unlockSVG}
                          size="30px"
                          className="unlock"
                          title={this.props.intl.formatMessage(messages.unlock)}
                        />
                      </button>
                    )}

                    {editAction && (
                      <Link
                        aria-label={this.props.intl.formatMessage(
                          messages.edit,
                        )}
                        className="edit"
                        to={`${path}/edit`}
                      >
                        <Icon
                          name={penSVG}
                          size="30px"
                          className="circled"
                          title={this.props.intl.formatMessage(messages.edit)}
                        />
                      </Link>
                    )}
                    {this.props.content &&
                      this.props.content.is_folderish &&
                      folderContentsAction &&
                      !this.props.pathname.endsWith('/contents') && (
                        <Link
                          aria-label={this.props.intl.formatMessage(
                            messages.contents,
                          )}
                          to={`${path}/contents`}
                        >
                          <Icon
                            name={folderSVG}
                            size="30px"
                            title={this.props.intl.formatMessage(
                              messages.contents,
                            )}
                          />
                        </Link>
                      )}
                    {this.props.content &&
                      this.props.content.is_folderish &&
                      folderContentsAction &&
                      this.props.pathname.endsWith('/contents') && (
                        <Link
                          to={`${path}`}
                          aria-label={this.props.intl.formatMessage(
                            messages.back,
                          )}
                        >
                          <Icon
                            name={backSVG}
                            className="circled"
                            size="30px"
                            title={this.props.intl.formatMessage(messages.back)}
                          />
                        </Link>
                      )}
                    {this.props.content &&
                      ((this.props.content.is_folderish &&
                        this.props.types.length > 0) ||
                        (config.settings.isMultilingual &&
                          this.props.content['@components']?.translations)) && (
                        <button
                          className="add"
                          aria-label={this.props.intl.formatMessage(
                            messages.add,
                          )}
                          onClick={(e) => this.toggleMenu(e, 'types')}
                          tabIndex={0}
                          id="toolbar-add"
                        >
                          <Icon
                            name={addSVG}
                            size="30px"
                            title={this.props.intl.formatMessage(messages.add)}
                          />
                        </button>
                      )}
                    <div className="toolbar-button-spacer" />
                    <button
                      className="more"
                      aria-label={this.props.intl.formatMessage(messages.more)}
                      onClick={(e) => this.toggleMenu(e, 'more')}
                      tabIndex={0}
                      id="toolbar-more"
                    >
                      <Icon
                        className="mobile hidden"
                        name={moreSVG}
                        size="30px"
                        title={this.props.intl.formatMessage(messages.more)}
                      />
                      {this.state.showMenu ? (
                        <Icon
                          className="mobile only"
                          name={clearSVG}
                          size="30px"
                        />
                      ) : (
                        <Icon
                          className="mobile only"
                          name={moreSVG}
                          size="30px"
                        />
                      )}
                    </button>
                  </>
                )}
                <Pluggable name="main.toolbar.top" />
              </div>
              <div className="toolbar-bottom">
                <Pluggable
                  name="main.toolbar.bottom"
                  params={{ onClickHandler: this.toggleMenu }}
                />
                {!this.props.hideDefaultViewButtons && (
                  <button
                    className="user"
                    aria-label={this.props.intl.formatMessage(
                      messages.personalTools,
                    )}
                    onClick={(e) => this.toggleMenu(e, 'personalTools')}
                    tabIndex={0}
                    id="toolbar-personal"
                  >
                    <Icon
                      name={userSVG}
                      size="30px"
                      title={this.props.intl.formatMessage(
                        messages.personalTools,
                      )}
                    />
                  </button>
                )}
              </div>
            </div>
            <div className="toolbar-handler">
              <button
                aria-label={this.props.intl.formatMessage(
                  messages.shrinkToolbar,
                )}
                className={cx('toolbar-handler-button', {
                  [this.props.content?.review_state]:
                    this.props.content?.review_state,
                })}
                onClick={this.handleShrink}
              />
            </div>
          </div>
          <div className="pusher" />
        </>
      )
    );
  }
}

export default compose(
  injectIntl,
  withCookies,
  connect(
    (state, props) => ({
      actions: state.actions.actions,
      token: state.userSession.token,
      userId: state.userSession.token
        ? jwtDecode(state.userSession.token).sub
        : '',
      content: state.content.data,
      pathname: props.pathname,
      types: filter(state.types.types, 'addable'),
      unlockRequest: state.content.unlock,
    }),
    { getTypes, listActions, setExpandedToolbar, unlockContent },
  ),
)(Toolbar);