<script>
  import LightRouter from 'lightrouter';

  import ForumList from './components/forum_list/forum_list.svelte';
  import Header from './components/header/header.svelte';

  // Routed Components
  import Author from './components/author/author.svelte';
  import Home from './components/home/home.svelte';
  import InvalidRoute from './components/invalid_route/invalid_route.svelte';
  import Post from './components/post/post.svelte';
  import Topic from './components/topic/topic.svelte';
  import TopicIndex from './components/topic_index/topic_index.svelte';

  let page;
  let params;

  // sets the route params and current page.

  const setRoute = function setRoute(targetPage) {

    return function (routerParams) {
      params = routerParams;
      page = targetPage;
    }
  }

  const router = new LightRouter({
    routes: {
      '': () => page = Home,
      'f/{id}': setRoute(TopicIndex),
      'g/{id}': setRoute(TopicIndex),
      'a/{id}': setRoute(Author),
      't/{id}': setRoute(Topic),
      'p/{id}': setRoute(Post),
      '.*': setRoute(InvalidRoute)
    }
  });

  router.run();

</script>

<Header />
<svelte:component this={ page } params={ params } />
<ForumList />
