import React from 'react';
import { makeStyles, Theme, createStyles } from '@material-ui/core/styles';
import List from '@material-ui/core/List';
import ListItem from '@material-ui/core/ListItem';
import ListItemIcon from '@material-ui/core/ListItemIcon';
import ListItemText from '@material-ui/core/ListItemText';
import Divider from '@material-ui/core/Divider';
import InboxIcon from '@material-ui/icons/Inbox';
import DraftsIcon from '@material-ui/icons/Drafts';

const useStyles = makeStyles((theme: Theme) =>
  createStyles({
    root: {
      width: '100%',
      maxWidth: 360,
      backgroundColor: theme.palette.background.paper,
    },
  }),
);

export default function SelectedListItem() {
  const classes = useStyles();
  const [selectedIndex, setSelectedIndex] = React.useState(1);

  const handleListItemClick = (
    event: React.MouseEvent<HTMLDivElement, MouseEvent>,
    index: number,
  ) => {
    setSelectedIndex(index);
  };

  return (
    <div className={classes.root}>
      <List component="nav" aria-label="main mailbox folders">
        <ListItem
          button
          selected={selectedIndex === 0}
          onClick={(event) => handleListItemClick(event, 0)}
        >
          <ListItemIcon>
            <InboxIcon />
          </ListItemIcon>
          <ListItemText primary="Inbox" />
        </ListItem>
        <ListItem
          button
          selected={selectedIndex === 1}
          onClick={(event) => handleListItemClick(event, 1)}
        >
          <ListItemIcon>
            <DraftsIcon />
          </ListItemIcon>
          <ListItemText primary="Drafts" />
        </ListItem>
      </List>
      <Divider />
      <List component="nav" aria-label="secondary mailbox folder">
        <ListItem
          button
          selected={selectedIndex === 2}
          onClick={(event) => handleListItemClick(event, 2)}
        >
          <ListItemText primary="Trash" />
        </ListItem>
        <ListItem
          button
          selected={selectedIndex === 3}
          onClick={(event) => handleListItemClick(event, 3)}
        >
          <ListItemText primary="Spam" />
        </ListItem>
      </List>
    </div>
  );
}