text: import React from 'react'
  import { Link } from 'gatsby'
  import github from '../img/github-icon.svg'
  
  const Navbar = class extends React.Component {
    constructor(props) {
      super(props)
      this.state = {
        active: false,
        navBarActiveClass: '',
      }
    }
  
    toggleHamburger = () => {
      // toggle the active boolean in the state
      this.setState(
        {
          active: !this.state.active,
        },
        // after state has been updated,
        () => {
          // set the class in state for the navbar accordingly
          this.state.active
            ? this.setState({
                navBarActiveClass: 'is-active',
              })
            : this.setState({
                navBarActiveClass: '',
              })
        }
      )
    }
  
    render() {
      return (
        <nav
          className="navbar is-transparent"
          role="navigation"
          aria-label="main-navigation"
        >
          <div className="container">
            <div className="navbar-brand">
              <Link to="/" className="navbar-item" title="Logo">
                Craig Allen
              </Link>
              {/* Hamburger menu */}
              <div
                className={`navbar-burger burger ${this.state.navBarActiveClass}`}
                data-target="navMenu"
                onClick={() => this.toggleHamburger()}
              >
                <span />
                <span />
                <span />
              </div>
            </div>
            <div
              id="navMenu"
              className={`navbar-menu ${this.state.navBarActiveClass}`}
            >
              <div className="navbar-start has-text-centered">
                <Link className="navbar-item" to="/about">
                  About
                </Link>
                <Link className="navbar-item" to="/blog">
                  Blog
                </Link>
                <Link className="navbar-item" to="/contact">
                  Contact
                </Link>
              </div>
              <div className="navbar-end has-text-centered">
                <a
                  className="navbar-item"
                  href="https://github.com/craigallen"
                  rel="noopener noreferrer"
                >
                  <span className="icon">
                    <img src={github} alt="Github" />
                  </span>
                </a>
              </div>
            </div>
          </div>
        </nav>
      )
    }
  }
  
  export default Navbar
  