---
import { getCollection, render } from 'astro:content';
import BaseLayout from '../../layouts/BaseLayout.astro';

export async function getStaticPaths() {
  const posts = await getCollection('blog');
  return posts.map((p) => ({
    params: { id: p.id },
    props: { post: p },
  }));
}

const { post } = Astro.props;
const { Content } = await render(post);
const d = post.data;
---

<BaseLayout title={d.title} description={d.description}>
  <article class="prose">
    <a href="/blog" class="back mono">← 返回博客</a>
    <h1>{d.title}</h1>
    <div class="meta mono muted">
      <time>{d.pubDate.toISOString().slice(0, 10)}</time>
      {d.updatedDate && <span>· 更新于 {d.updatedDate.toISOString().slice(0, 10)}</span>}
    </div>
    {
      d.tags.length > 0 && (
        <div class="tags mono">
          {d.tags.map((t) => <span>#{t}</span>)}
        </div>
      )
    }
    <hr />
    <div class="content">
      <Content />
    </div>
  </article>
</BaseLayout>

<style>
  .prose {
    max-width: 720px;
    margin: 0 auto;
    padding: 2.5rem 0;
  }
  .back {
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 1.5rem;
  }
  .prose h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
  }
  .meta {
    font-size: 0.85rem;
    display: flex;
    gap: 0.5rem;
  }
  .tags {
    display: flex;
    gap: 0.75rem;
    color: var(--text-faint);
    font-size: 0.8rem;
    margin-top: 0.6rem;
  }
  .content :global(h2) {
    margin-top: 2rem;
  }
  .content :global(img) {
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  .content :global(blockquote) {
    border-left: 3px solid var(--accent-dim);
    margin: 1.5rem 0;
    padding: 0.25rem 1rem;
    color: var(--text-dim);
  }
</style>