---
import PageLayout from "../../layouts/PageLayout.astro";
import { getCollection } from "astro:content";
import Date from "../../components/Date.astro";

const allArticles = await getCollection("blog");
const sortedArticles = allArticles.sort((a, b) => {
  return b.data.pubDate.valueOf() - a.data.pubDate.valueOf();
});
---

<PageLayout
  title="Blog"
  description="Friendly technical articles with a focus on web and GNU/Linux topics."
>
  <form class="flex flex-wrap gap-2">
    <label for="article-search">Search for an article:</label>
    <input
      type="text"
      id="article-search"
      class="border border-neutral-300 px-2 dark:border-neutral-600"
    />
  </form>
  {
    sortedArticles.map(({ id, data: { title, pubDate, description } }) => (
      <article
        class="mt-8 flex flex-col gap-2"
        data-article-title={title}
        data-article-description={description}
      >
        <Date date={pubDate} />
        <a
          class="max-w-fit text-blue-800 hover:no-underline active:bg-neutral-200 active:dark:bg-neutral-700"
          href={`/blog/${id}`}
        >
          {title}
        </a>
        <p class="not-prose">{description}</p>
      </article>
    ))
  }
  <p id="no-results" class="mt-8 hidden italic">
    No articles found matching your search.
  </p>
</PageLayout>

<script>
  const setupSearch = () => {
    const searchInput = document.querySelector('input[id="article-search"]');
    const articles = document.querySelectorAll("[data-article-title]");
    const noResults = document.querySelector("#no-results");

    if (!searchInput || !articles.length || !noResults) return;

    searchInput.addEventListener("input", (e) => {
      const target = e.target as HTMLInputElement;
      const searchTerm = target.value
        .trim()
        .replace(/\s+/g, " ")
        .toLowerCase()
        .split(" ");

      let hasResults = false;

      for (const article of articles) {
        const title = article.getAttribute("data-article-title") ?? "";
        const description =
          article.getAttribute("data-article-description") ?? "";

        const matchesSearch = searchTerm.every(
          (word) =>
            title.toLowerCase().includes(word) ||
            description.toLowerCase().includes(word),
        );

        if (matchesSearch) {
          article.classList.remove("hidden");
          hasResults = true;
        } else {
          article.classList.add("hidden");
        }
      }

      noResults.classList.toggle("hidden", hasResults);
    });
  };

  setupSearch();
  document.addEventListener("astro:after-swap", setupSearch);
</script>