---
import Layout from "../../layouts/Layout.astro";
import Section from "../../components/Section.astro";
import PostList from "../../components/PostList.astro";
import { getPosts, allTags, formatDate } from "../../lib/blog";
import { readingTime } from "../../lib/reading";
import { series } from "../../data/series";
import { site } from "../../data/site";

const posts = await getPosts();
const tags = allTags(posts);

// Featured = the security-series opener when present, else the newest post.
const featured = posts.find((p) => p.id === "secret-zero") ?? posts[0];
const rest = posts.filter((p) => p.id !== featured.id);
const featuredSeries = series[featured.id];
---

<Layout title="Blog" path="/blog" description="Notes on platform engineering, edge Kubernetes, GPUs and homelab infrastructure.">
  <Section id="blog" eyebrow={`~/${site.handle}/blog`} index="*" title="Notes from the build.">
    <p class="lead blog__intro" data-reveal>
      Lessons from edge Kubernetes, GPUs, and running infrastructure like it matters.
    </p>

    {tags.length > 0 && (
      <nav class="blog__tags" aria-label="Filter by tag" data-reveal>
        <span class="mono blog__tags-label">tags:</span>
        {tags.map((t) => (
          <a class="tag blog__tag" href={`/blog/tags/${t}/`}>{t}</a>
        ))}
      </nav>
    )}

    {featured && (
      <a class="featured" href={`/blog/${featured.id}/`} data-reveal>
        <div class="featured__body">
          <div class="featured__meta mono">
            {featuredSeries && (
              <span class="featured__series">
                {featuredSeries.name} · {String(featuredSeries.number).padStart(2, "0")}
              </span>
            )}
            <time datetime={featured.data.date.toISOString()}>{formatDate(featured.data.date)}</time>
            <span class="featured__sep">·</span>
            <span>{readingTime(featured.body)}</span>
          </div>
          <h3 class="featured__title">{featured.data.title}</h3>
          <p class="featured__summary">{featured.data.summary}</p>
          <ul class="featured__tags" role="list">
            {featured.data.tags.map((t) => (
              <li class="tag">{t}</li>
            ))}
          </ul>
          <span class="featured__read mono">Read the post →</span>
        </div>
        {featured.data.hero && (
          <div class="featured__art" aria-hidden="true">
            <img
              src={`${featured.data.hero}?v=2`}
              alt=""
              width="1600"
              height="1073"
              loading="eager"
              decoding="async"
            />
          </div>
        )}
      </a>
    )}

    <PostList posts={rest} />
  </Section>
</Layout>

<style>
  .blog__intro {
    max-width: 50ch;
    margin-bottom: var(--space-5);
  }
  .blog__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-6);
  }
  .blog__tags-label {
    font-size: var(--step--1);
    color: var(--text-faint);
    margin-right: 0.25rem;
  }
  .blog__tag:hover {
    border-color: var(--accent-line);
    color: var(--text);
    text-decoration: none;
  }

  /* featured card — text left, hero art right, scrimmed into the panel */
  .featured {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    background: var(--panel);
    border: 1px solid var(--border-accent);
    border-radius: 12px;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    backdrop-filter: var(--panel-blur);
    -webkit-backdrop-filter: var(--panel-blur);
    margin-bottom: var(--space-6);
    transition:
      border-color 180ms var(--ease),
      box-shadow 180ms var(--ease);
  }
  .featured:hover {
    text-decoration: none;
    border-color: var(--border-accent-hover);
    box-shadow: var(--glow-card);
  }
  .featured__body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
  }
  .featured__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.72rem;
    color: var(--text-faint);
  }
  .featured__series {
    color: var(--accent-2);
    border: 1px solid var(--border-magenta);
    border-radius: 3px;
    padding: 2px 7px;
    letter-spacing: 0.1em;
    font-size: 0.66rem;
  }
  .featured__sep {
    opacity: 0.6;
  }
  .featured__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 600;
    color: var(--text-strong);
    letter-spacing: -0.01em;
  }
  .featured__summary {
    margin: 0;
    color: var(--text-dim);
    font-size: var(--step-0);
    line-height: 1.65;
    text-wrap: pretty;
  }
  .featured__tags {
    list-style: none;
    padding: 0;
    margin: var(--space-2) 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .featured__read {
    margin-top: auto;
    padding-top: var(--space-3);
    font-size: 0.8rem;
    color: var(--accent);
  }
  .featured__art {
    position: relative;
    min-height: 280px;
  }
  .featured__art img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  /* scrim the art into the panel from the text side */
  .featured__art::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, var(--panel-solid) 0%, transparent 45%);
  }
  :global([data-theme="light"]) .featured__art::before {
    background: linear-gradient(90deg, var(--panel-solid) 0%, transparent 45%);
    opacity: 0.85;
  }

  @media (max-width: 860px) {
    .featured {
      grid-template-columns: 1fr;
    }
    .featured__art {
      order: -1;
      min-height: 200px;
    }
    .featured__art::before {
      background: linear-gradient(180deg, transparent 55%, var(--panel-solid) 100%);
    }
  }
</style>