---
import { Image } from 'astro:assets';
import { marked } from 'marked';
import markedShiki from 'marked-shiki';
import { createHighlighter } from 'shiki';
import { readItems, readSingleton } from '@directus/sdk';
import "photoswipe/style.css";

import type { Post } from '@/lib/directusTypes'

import SocialShareButton from '@components/buttons/SocialShareButton.astro';
import PostMetadataSnippet from '@/components/snippets/PostMetadataSnippet.astro';
import BaseLayout from '@layouts/BaseLayout.astro';
import directus from '@lib/directus';
import { getDirectusImageURL } from '@/scripts/url';

export async function getStaticPaths() {
  const posts = await directus.request(readItems('posts', {
    fields: ['*', { category: ['*'] }],
  }));
  const globalData = await directus.request(readSingleton('site_global'));
  const highlighter = await createHighlighter({
    themes: ['github-light', 'github-dark'],
    langs: ['typescript', 'python', 'css', 'html', 'yaml', 'bash', 'json'],
  });
  const renderer = {
    image({ href, title, text }: { href: string; title: string | null; text: string }) {
      return `
        <a 
          href="${href}" 
          class="pswp-link" 
          data-pswp-src="${href}" 
          target="_blank"
        >
          <img src="${href}" alt="${text}" title="${title || ''}" loading="lazy" />
        </a>
      `;
    },
  };
  marked.use({ renderer });
  marked.use(markedShiki({
    highlight(code, lang) {
      return highlighter.codeToHtml(code, {
        lang: lang || 'plaintext',
        themes: { light: 'github-light', dark: 'github-dark' },
        defaultColor: false,
      });
    }
  }));

  return posts.map((post: Post) => ({
    params: { slug: post.slug },
    props: {
      post,
      global: globalData,
      content: marked.parse(post.content || ''),
    },
  }));
}

const { post, global, content } = Astro.props;
---

<BaseLayout
  title={post.title}
  description={post.description}
  ogImage={getDirectusImageURL(post.image)}
  structuredData={{
    '@context': 'https://schema.org',
    '@type': 'NewsArticle',
    inLanguage: 'en-US',
    '@id': Astro.url.href,
    url: Astro.url.href,
    description: post.description,
    isPartOf: {
      '@type': 'WebSite',
      url: `${global.site_url}/blog`,
      name: global.name,
      description: global.about,
    },
    image: [getDirectusImageURL(post.image)],
    headline: post.title,
    datePublished: post.published_date,
    dateModified: post.updated_date,
    author: [
      {
        '@type': 'Person',
        name: `${global.name}`,
        url: `${global.site_url}`,
      },
    ],
  }}
>

  <section class="max-w-6xl px-4 sm:px-6 lg:px-8 pt-8 lg:pt-12 pb-12 mx-auto">
    <div class="smooth-reveal relative w-full">
      <div class="sm:shadow-xs sm:dark:shadow-md rounded-2xl mt-4 sm:mt-0">
        <Image
          class="rounded-2xl sm:rounded-b-none w-full max-h-150 object-cover"
          src={getDirectusImageURL(post.image)}
          alt={post.image_alt || post.title}
          draggable="false"
          format="webp"
          loading="lazy"
          inferSize={true}
        />
        <div class="sm:bg-background-card rounded-b-2xl px-0 sm:px-6 md:px-10 lg:px-14 py-6">
          <div class="text-center sm:text-left mt-4">
            <h2 class="card-text-header block">
              {post.title}
            </h2>
            <div class="mt-4 sm:mt-6">
              <PostMetadataSnippet
                post={post}
                dateFormat='long'
              />
            </div>
          </div>
          <div class="border-t border-divider mt-10 mb-10"/>

          <article class="text-header prose prose-blog sm:prose-lg dark:prose-invert max-w-none">
            <div set:html={content} />
          </article>

          <div class="grid sm:flex sm:items-center sm:justify-between gap-y-5 sm:gap-y-0 max-w-5xl mx-auto mt-10 md:mt-14">
            {post.tags && post.tags.length > 0 && (
              <div class="flex flex-wrap sm:flex-nowrap sm:items-center gap-x-2 gap-y-1 sm:gap-y-0">
                {post.tags.map((tag: string) => (
                <span class="inline-flex items-center button-base bg-cobalt dark:bg-turquoise text-neutral-100 text-xs font-bold rounded-lg gap-x-1.5 px-3 py-1.5">
                  {tag}
                </span>
                ))}
              </div>
            )}
            <SocialShareButton pageTitle={post.title}/>
          </div>
        </div>
      </div>
    </div>
  </section>

  <style is:inline>
    code[data-theme*=' '],
    code[data-theme*=' '] span {
      color: var(--shiki-light);
    }

    html.dark {
      code[data-theme*=' '],
      code[data-theme*=' '] span {
        color: var(--shiki-dark);
      }
    }
  </style>

</BaseLayout>