---
import { getCollection } from 'astro:content';
import { Image } from 'astro:assets';
import BaseLayout from '../layouts/BaseLayout.astro';
import Masonry from '../components/Masonry.astro';
import { heroes } from '../lib/hero';
import { bundleMosaic } from '../lib/bundle-mosaic';
import { buildOgImage, buildItemList, WEBSITE, ORGANIZATION } from '../lib/seo';

import pick from '../data/pick.json';

// Pick of the day. Set in src/data/pick.json; null falls back to the latest review.
const HERO_SLUG: string | null = pick.hero;
const INITIAL_GRID = 24;
const BATCH_SIZE = 7;

type Tile =
  | {
      kind: 'review';
      href: string;
      id: string;
      name: string;
      subtitle: string;
      date: Date;
      hero: ReturnType<typeof getReviewHero>;
    }
  | {
      kind: 'bundle';
      href: string;
      id: string;
      name: string;
      subtitle: string | undefined;
      date: Date;
      itemCount: number;
      mosaic: ReturnType<typeof bundleMosaic>;
    };

function getReviewHero(slug: string) {
  return heroes[slug];
}

const [reviews, bundles] = await Promise.all([
  getCollection('reviews'),
  getCollection('bundles'),
]);

const reviewTiles: Tile[] = reviews.map((review) => ({
  kind: 'review' as const,
  href: `/reviews/${review.id}/`,
  id: review.id,
  name: review.data.name,
  subtitle: review.data.subtitle,
  date: review.data.date,
  hero: getReviewHero(review.id),
}));

const bundleTiles: Tile[] = bundles.map((bundle) => ({
  kind: 'bundle' as const,
  href: `/bundles/${bundle.id}/`,
  id: bundle.id,
  name: bundle.data.title,
  subtitle: bundle.data.blurb,
  date: bundle.data.date,
  itemCount: bundle.data.items.length,
  mosaic: bundleMosaic(bundle.id),
}));

const tiles: Tile[] = [...reviewTiles, ...bundleTiles].sort(
  (a, b) => b.date.valueOf() - a.date.valueOf()
);

const heroIndex = tiles.findIndex(
  (t) => t.kind === 'review' && t.href === `/reviews/${HERO_SLUG}/`
);
// Fall back to the newest review (tiles are sorted by date desc).
const hero =
  heroIndex >= 0 ? tiles[heroIndex] : tiles.find((t) => t.kind === 'review');
const rest = tiles.filter((t) => t !== hero);

const lastUpdated = tiles[0]?.date;

const ogImage = buildOgImage(hero?.id, 'reviews', `${hero?.name ?? 'Unique'} hero image`);
const itemList = buildItemList(
  tiles.slice(0, INITIAL_GRID).map((t) => ({ url: t.href, name: t.name })),
  'Latest entries'
);
---

<BaseLayout
  title="Unique"
  description="A small log of delightful, unique things — products, apps, phenomena, oddities."
  subheader="A small log of delightful things."
  lastUpdated={lastUpdated}
  ogImage={ogImage}
  jsonLd={[WEBSITE, ORGANIZATION, itemList]}
  wide
>
  {hero && hero.kind === 'review' && (
    <a href={hero.href} class="hero">
      {hero.hero?.kind === 'image' && (
        <Image
          class="hero-media"
          src={hero.hero.src}
          widths={[480, 720, 960, 1280]}
          sizes="(max-width: 720px) 92vw, 720px"
          loading="eager"
          decoding="sync"
          fetchpriority="high"
          alt={hero.name}
        />
      )}
      {hero.hero?.kind === 'video' && (
        <video
          class="hero-media"
          src={hero.hero.src}
          autoplay
          loop
          muted
          playsinline
          preload="metadata"
          aria-label={hero.name}
        />
      )}
      <div class="hero-text">
        <span class="hero-eyebrow">Today's pick</span>
        <h1 class="hero-name">{hero.name}</h1>
        {hero.subtitle && <p class="hero-subtitle">{hero.subtitle}</p>}
      </div>
    </a>
  )}

  <Masonry initial={INITIAL_GRID} batch={BATCH_SIZE}>
    {
      rest.map((tile) => {
        const visual =
          tile.kind === 'review' ? tile.hero : tile.mosaic ? { kind: 'image' as const, src: tile.mosaic } : undefined;
        return (
          <article>
            <a href={tile.href} class:list={['tile', { 'text-only': !visual, 'is-bundle': tile.kind === 'bundle' }]}>
              {visual?.kind === 'image' && (
                <Image
                  class="media"
                  src={visual.src}
                  widths={[320, 480, 640]}
                  sizes="(max-width: 520px) 92vw, (max-width: 880px) 45vw, 320px"
                  loading="lazy"
                  decoding="async"
                  alt={tile.name}
                />
              )}
              {visual?.kind === 'video' && (
                <video
                  class="media"
                  src={visual.src}
                  autoplay
                  loop
                  muted
                  playsinline
                  preload="none"
                  aria-label={tile.name}
                />
              )}
              <div class="text">
                {tile.kind === 'bundle' && (
                  <span class="eyebrow">Bundle · {tile.itemCount} picks</span>
                )}
                <span class="name">{tile.name}</span>
                {tile.subtitle && <span class="subtitle">{tile.subtitle}</span>}
              </div>
            </a>
          </article>
        );
      })
    }
  </Masonry>

  <style>
    .hero {
      display: block;
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      border: 2px solid var(--rule);
      background: var(--bg);
      color: inherit;
      margin-bottom: 2.5rem;
      transition: box-shadow 0.18s ease, border-color 0.18s ease;
    }
    .hero:hover {
      text-decoration: none;
      border-color: color-mix(in srgb, var(--accent) 50%, var(--rule));
      box-shadow: 0 0 32px -4px color-mix(in srgb, var(--accent) 35%, transparent);
    }
    .hero:hover .hero-name { color: var(--accent); }

    .hero-media {
      display: block;
      width: 100%;
      height: auto;
      max-height: 62vh;
      object-fit: cover;
      background: var(--rule);
    }
    .hero-text {
      padding: 1.6rem 1.75rem 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }
    .hero-eyebrow {
      font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
      font-size: 0.78rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--accent);
      font-weight: 600;
    }
    .hero-name {
      margin: 0;
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      letter-spacing: -0.02em;
      transition: color 0.18s ease;
    }
    .hero-subtitle {
      margin: 0;
      color: var(--muted);
      font-size: clamp(1rem, 1.4vw, 1.15rem);
      line-height: 1.45;
    }

    .tile {
      display: block;
      border-radius: 8px;
      overflow: hidden;
      border: 2px solid var(--rule);
      background: var(--bg);
      color: inherit;
      transition: box-shadow 0.18s ease, border-color 0.18s ease;
    }
    .tile:hover {
      text-decoration: none;
      border-color: color-mix(in srgb, var(--accent) 50%, var(--rule));
      box-shadow: 0 0 20px -4px color-mix(in srgb, var(--accent) 30%, transparent);
    }
    .tile:hover .name { color: var(--accent); }

    .media {
      display: block;
      width: 100%;
      height: auto;
      background: var(--rule);
    }

    .text {
      padding: 0.85rem 1rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
      background: var(--card-fill);
    }
    .eyebrow {
      font-family: ui-sans-serif, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      font-weight: 600;
    }
    .tile.is-bundle .name {
      font-family: ui-serif, Georgia, 'Iowan Old Style', 'Apple Garamond', 'Palatino Linotype', serif;
      font-weight: 700;
      font-size: 1.15rem;
      letter-spacing: -0.01em;
    }
    .name {
      font-family: ui-sans-serif, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: -0.01em;
      color: var(--fg);
      transition: color 0.18s ease;
    }
    .subtitle {
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.4;
    }

    .tile.text-only {
      background: linear-gradient(155deg, var(--rule), transparent);
    }
    .tile.text-only .text {
      padding: 1.5rem 1.25rem;
    }
    .tile.text-only .name {
      font-size: 1.25rem;
      margin-bottom: 0.3rem;
    }
    .tile.text-only .subtitle {
      font-size: 1rem;
    }

  </style>
</BaseLayout>