/**
 * Original Source code from https://reacttraining.com/react-router/web/example/basic
 */

import React from 'react';
import {
  HashRouter as Router,
  Route,
  Link
} from 'react-router-dom';
import withTracker from './withTracker';

import Events from './Events';

const Topic = ({ match }) => (
  <div>
    <h3>{match.params.topicId}</h3>
  </div>
);

const Home = () => (
  <div>
    <h2>Home</h2>
  </div>
);

const About = () => (
  <div>
    <h2>About</h2>
  </div>
);

const Topics = ({ match }) => (
  <div>
    <h2>Topics</h2>
    <ul>
      <li>
        <Link to={`${match.url}/rendering`}>
          Rendering with React
        </Link>
      </li>
      <li>
        <Link to={`${match.url}/components`}>
          Components
        </Link>
      </li>
      <li>
        <Link to={`${match.url}/props-v-state`}>
          Props v. State
        </Link>
      </li>
    </ul>

    <Route path={`${match.url}/:topicId`} component={withTracker(Topic)} />
    <Route
      exact
      path={match.url}
      render={() => (
        <h3>Please select a topic.</h3>
      )}
    />
  </div>
);

const BasicExample = () => (
  <Router>
    <div>
      <ul>
        <li><Link to="/">Home</Link></li>
        <li><Link to="/about">About</Link></li>
        <li><Link to="/topics">Topics</Link></li>
        <li><Link to="/events">Events</Link></li>
      </ul>

      <hr />

      <Route exact path="/" component={withTracker(Home)} />
      <Route path="/about" component={withTracker(About)} />
      <Route path="/topics" component={withTracker(Topics)} />
      <Route path="/events" component={withTracker(Events)} />
    </div>
  </Router>
);

export default BasicExample;
