import React, { useState } from 'react';
import PropTypes from 'prop-types';
import { withTranslation } from 'react-i18next';

import { isTopPage } from '@commons/util/path-utils';
import { createSubscribedElement } from '../UnstatedUtils';
import AppContainer from '../../services/AppContainer';
import PageContainer from '../../services/PageContainer';
import PageDeleteModal from '../PageDeleteModal';


const PageManagement = (props) => {
  const { t, appContainer, pageContainer } = props;
  const { path, isDeletable, isAbleToDeleteCompletely } = pageContainer.state;
  const { currentUser } = appContainer;
  const isTopPagePath = isTopPage(path);

  const [isPageDeleteModalShown, setIsPageDeleteModalShown] = useState(false);

  function openPageDeleteModal() {
    setIsPageDeleteModalShown(true);
  }

  function closePageDeleteModal() {
    setIsPageDeleteModalShown(false);
  }

  function renderDropdownItemForNotTopPage() {
    return (
      <>
        <a className="dropdown-item" href="#" data-target="#renamePage" data-toggle="modal">
          <i className="icon-fw icon-action-redo"></i> { t('Move/Rename') }
        </a>
        <a className="dropdown-item" type="button" onClick={pageContainer.openPageDuplicateModal}>
          <i className="icon-fw icon-docs"></i> { t('Duplicate') }
        </a>
        <div className="dropdown-divider"></div>
      </>
    );
  }

  function renderDropdownItemForDeletablePage() {
    return (
      <>
        <div className="dropdown-divider"></div>
        <a className="dropdown-item" type="button" onClick={openPageDeleteModal}>
          <i className="icon-fw icon-fire text-danger"></i> { t('Delete') }
        </a>
      </>
    );
  }

  return (
    <>
      <a
        role="button"
        className={`nav-link dropdown-toggle dropdown-toggle-no-caret ${currentUser == null && 'dropdown-toggle-disabled'}`}
        href="#"
        data-toggle={`${currentUser == null ? 'tooltip' : 'dropdown'}`}
        data-placement="top"
        data-container="body"
        title={t('Not available for guest')}
      >
        <i className="icon-options-vertical"></i>
      </a>
      <div className="dropdown-menu dropdown-menu-right">
        {!isTopPagePath && renderDropdownItemForNotTopPage()}
        <a className="dropdown-item" href="#" data-target="#create-template" data-toggle="modal">
          <i className="icon-fw icon-magic-wand"></i> { t('template.option_label.create/edit') }
        </a>
        {(!isTopPagePath && isDeletable) && renderDropdownItemForDeletablePage()}
      </div>
      <PageDeleteModal
        isOpen={isPageDeleteModalShown}
        toggle={closePageDeleteModal}
        path={path}
        isAbleToDeleteCompletely={isAbleToDeleteCompletely}
      />
    </>
  );
};

/**
 * Wrapper component for using unstated
 */
const PageManagementWrapper = (props) => {
  return createSubscribedElement(PageManagement, props, [AppContainer, PageContainer]);
};


PageManagement.propTypes = {
  t: PropTypes.func.isRequired, // i18next
  appContainer: PropTypes.instanceOf(AppContainer).isRequired,
  pageContainer: PropTypes.instanceOf(PageContainer).isRequired,
};

export default withTranslation()(PageManagementWrapper);