import React from 'react'
import PropTypes from 'prop-types'
import { Container, Nav, Navbar } from 'react-bootstrap'
import ToggleIcon from '../../assets/svg/ToggleIcon'
import Logo from '../Logo/Logo'
import './styles.scss'

const Header = ({ auth, linkColor, logo, navLinks, userSession }) => {
  const { src, alt, logoUrl } = logo

  return (
    <Navbar bg='primary' expand='md'>
      <Container>
        <Navbar.Brand className='w-50 custom-navbar-brand'>
          <Logo src={src} alt={alt} logoUrl={logoUrl} height='auto' addClass='mw-100 mh-100' />
        </Navbar.Brand>
        <Navbar.Toggle aria-controls='basic-navbar-nav'>
          <ToggleIcon linkColor={linkColor} />
        </Navbar.Toggle>
        <Navbar.Collapse id='basic-navbar-nav'>
          <Nav className='ms-auto'>
            {navLinks.map((nav) => (
              <Nav.Link
              // ref https://github.com/twbs/bootstrap/blob/v5.2.3/scss/helpers/_colored-links.scss
              // for how this className works
                className={`link-${linkColor}`}
                href={nav.path}
                key={`${nav.label}-nav-link`}
                onClick={nav.onClick}
              >
                {nav.label}
              </Nav.Link>
            ))}
            {userSession ? (
              <Nav.Link className={`link-${linkColor}`} onClick={auth.signOut}>Sign Out</Nav.Link>
            ) : (
              <Nav.Link className={`link-${linkColor}`} onClick={auth.signIn}>Sign In</Nav.Link>
            )}
          </Nav>
        </Navbar.Collapse>
      </Container>
    </Navbar>
  )
}

Header.propTypes = {
  auth: PropTypes.shape({
    signIn: PropTypes.func.isRequired,
    signOut: PropTypes.func.isRequired,
  }).isRequired,
  linkColor: PropTypes.oneOf([
    'primary', 'secondary', 'success', 'info', 'warning', 'danger', 'light', 'dark', 'black', 'white'
  ]),
  logo: PropTypes.shape({
    src: PropTypes.string.isRequired,
    alt: PropTypes.string,
  }).isRequired,
  navLinks: PropTypes.arrayOf(PropTypes.shape({
    label: PropTypes.string.isRequired,
    onClick: PropTypes.func,
    path: PropTypes.string,
  })).isRequired,
  userSession: PropTypes.shape({}),
}

Header.defaultProps = {
  linkColor: 'dark',
  userSession: null,
}

export default Header