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

import PaginationWrapper from '../PaginationWrapper';


import { createSubscribedElement } from '../UnstatedUtils';
import { toastError } from '../../util/apiNotification';

import AppContainer from '../../services/AppContainer';
import AdminUsersContainer from '../../services/AdminUsersContainer';

import PasswordResetModal from './Users/PasswordResetModal';
import InviteUserControl from './Users/InviteUserControl';
import UserTable from './Users/UserTable';

class UserManagement extends React.Component {

  constructor(props) {
    super();

    this.handlePage = this.handlePage.bind(this);
  }

  componentWillMount() {
    this.handlePage(1);
  }

  async handlePage(selectedPage) {
    try {
      await this.props.adminUsersContainer.retrieveUsersByPagingNum(selectedPage);
    }
    catch (err) {
      toastError(err);
    }
  }

  render() {
    const { t, adminUsersContainer } = this.props;

    const pager = (
      <div className="pull-right">
        <PaginationWrapper
          activePage={adminUsersContainer.state.activePage}
          changePage={this.handlePage}
          totalItemsCount={adminUsersContainer.state.totalUsers}
          pagingLimit={adminUsersContainer.state.pagingLimit}
        />
      </div>
    );

    return (
      <Fragment>
        {adminUsersContainer.state.userForPasswordResetModal && <PasswordResetModal />}
        <p>
          <InviteUserControl />
          <a className="btn-light text-dark btn-outline-dark ml-2" href="/admin/users/external-accounts" role="button">
            <i className="icon-user-follow" aria-hidden="true"></i>
            { t('user_management.external_account') }
          </a>
        </p>

        <h2>{ t('User_Management') }</h2>

        {pager}
        <UserTable />
        {pager}

      </Fragment>
    );
  }

}


UserManagement.propTypes = {
  t: PropTypes.func.isRequired, // i18next
  appContainer: PropTypes.instanceOf(AppContainer).isRequired,
  adminUsersContainer: PropTypes.instanceOf(AdminUsersContainer).isRequired,
};

const UserManagementWrapper = (props) => {
  return createSubscribedElement(UserManagement, props, [AppContainer, AdminUsersContainer]);
};

export default withTranslation()(UserManagementWrapper);