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 value for the utility 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 DrawerMenuListItem = ({
  icon, text, id, notificationCount, isSelected, onSelect, ...customProps
}) => {
  const theme = React.useContext(ThemeContext);

  return (
    <li
      {...customProps}
      id={id || undefined}
      role="option"
      aria-selected={isSelected}
      tabIndex="0"
      className={cx('item', theme.className, { 'is-selected': isSelected })}
      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} />}
    </li>
  );
};

DrawerMenuListItem.propTypes = propTypes;

export default DrawerMenuListItem;