nyx-dashboard/components/Navbar.js

import React from 'react';
import { makeStyles } from '@material-ui/core/styles';
import AppBar from '@material-ui/core/AppBar';
import Toolbar from '@material-ui/core/Toolbar';
import Typography from '@material-ui/core/Typography';
import Button from '@material-ui/core/Button';
import IconButton from '@material-ui/core/IconButton';
import MenuIcon from '@material-ui/icons/Menu';
import Link from 'next/link'
import AuthButton from './AuthButton'
import { useSession } from 'next-auth/client'

const useStyles = makeStyles((theme) => ({
    root: {
        flexGrow: 1,
    },
    menuButton: {
        marginRight: theme.spacing(2),
    },
    title: {
        flexGrow: 1,
    },
}));

export default function ButtonAppBar() {
    const [session, loading] = useSession()
    const classes = useStyles();

    return (
        <div className={classes.root}>
            <AppBar position="static" color='primary' style={{
                background: '#1F1B24'
            }}>
                <Toolbar>
                    <IconButton edge="start" className={classes.menuButton} color="inherit" aria-label="menu">
                        <MenuIcon />
                    </IconButton>
                    <Typography variant="h6" className={classes.title}>
                        <Link href='/'>
                            Cath.exe
                        </Link>
                    </Typography>
                    {session && <Button color="inherit">Stats</Button>}
                    <AuthButton/>
                    {session && <Link href='/controlpanel'><Button color="inherit">Control Panel</Button></Link>}
                </Toolbar>
            </AppBar>
        </div>
    );
}