import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames/bind';
import ThemeContext from 'terra-theme-context';

import Count from './_DrawerCount';
import { enableFocusStyles, disableFocusStyles, generateKeyDownSelection } from '../utils/helpers';

import styles from './DrawerMenuListItem.module.scss';

const cx = classNames.bind(styles);

const propTypes = {
  /**
   * Icon to be rendered
   */
  icon: PropTypes.element,
  /**
   * Text display and/or aria-label
   */
  text: PropTypes.string.isRequired,
  /**
    * The id for the menu list item.
   */
  id: PropTypes.string,
  /**
   * The number value representing the notification count.
   */
  notificationCount: PropTypes.number,
  /**
   * Function callback for item selection.
   */
  onSelect: PropTypes.func.isRequired,
  /**
   * Whether or not this item is the active item.
   */
  isSelected: PropTypes.bool,
};

const DrawerMenuLinkItem = ({
  icon, text, id, notificationCount, isSelected, onSelect,
}) => {
  const theme = React.useContext(ThemeContext);

  return (
    <li>
      <div
        id={id || undefined}
        role="link"
        aria-current={isSelected}
        tabIndex="0"
        className={cx('item', theme.className, { 'is-selected': isSelected }, 'has-border')}
        onClick={onSelect}
        onKeyDown={generateKeyDownSelection(onSelect)}
        onBlur={enableFocusStyles}
        onMouseDown={disableFocusStyles}
        data-focus-styles-enabled
      >
        {icon ? <div className={cx('icon')}>{icon}</div> : null}
        <div className={cx('text')}>{text}</div>
        {notificationCount > 0 && <Count value={notificationCount} />}
      </div>
    </li>
  );
};

DrawerMenuLinkItem.propTypes = propTypes;

export default DrawerMenuLinkItem;