import Link from "next/link";
import Image from "next/image";
import { getBlogPosts } from "../lib/payload";
import { Reveal, RevealGroup, RevealItem } from "./Reveal";
import { ArrowRightIcon } from "./ArrowRightIcon";

export async function Blog() {
  const posts = await getBlogPosts(3);
  if (posts.length === 0) return null;

  const featured = { ...posts[0], href: `/blog/${posts[0].slug}` };
  const secondary = posts
    .slice(1, 3)
    .map((post) => ({ ...post, href: `/blog/${post.slug}` }));

  return (
    <div id="blog" className="flex flex-col gap-12 items-start pb-16 w-full bg-bg-base">

      {/* Section header */}
      <Reveal className="flex flex-col gap-2 items-start px-[var(--layout-padding-x)] w-full">
        <p className="font-bold text-brand text-h-small">
          Neue Impulse
        </p>
        <p
          className="font-semibold text-text-primary text-h-section leading-normal"
          style={{ fontFamily: "var(--font-lora)" }}
        >
          Gedanken, Methoden &amp; Impulse
        </p>
      </Reveal>

      {/* Posts grid */}
      <RevealGroup className="flex flex-col gap-10 items-start px-[var(--layout-padding-x)] w-full">

        {/* Featured post — image on top through lg (1024px), side-by-side
            only from lg+ (was sm+, but that squeezed the text column too
            hard on tablet widths — same reasoning as the secondary posts'
            grid below, which already used this lg breakpoint).
            lg:min-h stretches the row taller on large screens (the image's
            lg:h-full and the text column's justify-between both follow) —
            without it the card's height was purely driven by the text
            column's content, which stays short regardless of viewport
            width. */}
        <RevealItem>
          {/* Whole card is the click target now (image + title + excerpt),
              not just the "Zum Beitrag" line — the hover-lift below already
              implied the whole card was clickable, so only the small arrow
              actually working was a mismatch. `group` drives the arrow
              row's hover color from anywhere on the card, not just when
              hovering that row itself. */}
          <Link
            href={featured.href}
            className="group w-full border border-border rounded-xl overflow-hidden grid grid-cols-1 lg:grid-cols-12 lg:min-h-[26rem] transition-transform duration-300 hover:-translate-y-1"
          >
            <div className="relative w-full aspect-video lg:aspect-auto lg:col-span-7 lg:h-full bg-bg-muted">
              {featured.thumbnail && (
                <Image
                  alt=""
                  src={featured.thumbnail}
                  fill
                  sizes="(min-width: 1024px) 58vw, 100vw"
                  className="object-cover"
                />
              )}
            </div>
            <div className="flex flex-col justify-between gap-4 py-4 px-4 lg:pr-4 lg:pl-4 lg:col-span-5 min-w-0">
              <div className="flex flex-col gap-3">
                <div className="flex gap-2 items-center font-semibold text-text-muted text-body uppercase whitespace-nowrap">
                  <span>{featured.categories.join(", ")}</span>
                  <span>•</span>
                  <span>{featured.readTime} Min</span>
                </div>
                <div className="flex flex-col gap-4 text-text-primary">
                  <p
                    className="font-semibold text-h-section leading-normal"
                    style={{ fontFamily: "var(--font-lora)" }}
                  >
                    {featured.title}
                  </p>
                  <p className="font-normal text-body leading-6 line-clamp-2 lg:line-clamp-none">
                    {featured.excerpt}
                  </p>
                </div>
              </div>
              {/* flex + arrow as its own span — see Tools.tsx's comment on
                  this same fix (→'s glyph baseline sits low next to text).
                  Plain span now, not its own nested Link (the whole card
                  is one Link already) — group-hover keeps the color
                  change working from anywhere on the card. */}
              <span className="flex items-center gap-1 font-bold text-body text-text-primary whitespace-nowrap group-hover:text-brand transition-colors">
                <ArrowRightIcon />
                <span>Zum Beitrag</span>
              </span>
            </div>
          </Link>
        </RevealItem>

        {/* Secondary posts — image on top through lg (1024px), side-by-side
            only from lg+. These sit 2-up (sm:grid-cols-2 below) well
            before lg, so each card's own available width through the
            640-1023px tablet range is too narrow for image+text side by
            side — was sm:grid-cols-5, squeezing the text column. */}
        <div className="grid grid-cols-1 sm:grid-cols-2 gap-6 w-full">
          {secondary.map((post) => (
            <RevealItem key={post.id}>
              <Link
                href={post.href}
                className="group block border border-border rounded-xl overflow-hidden grid grid-cols-1 lg:grid-cols-5 transition-transform duration-300 hover:-translate-y-1"
              >
                <div className="relative w-full aspect-video lg:aspect-auto lg:col-span-2 lg:h-[230px] bg-bg-muted">
                  {post.thumbnail && (
                    <Image
                      alt=""
                      src={post.thumbnail}
                      fill
                      sizes="(min-width: 1024px) 29vw, 100vw"
                      className="object-cover"
                    />
                  )}
                </div>
                <div className="flex flex-col justify-between gap-4 py-3 px-4 lg:col-span-3 min-w-0 text-text-primary">
                  <div className="flex flex-col gap-3">
                    <div className="flex gap-2 items-center font-semibold text-text-muted text-body uppercase whitespace-nowrap">
                      <span>{post.categories.join(", ")}</span>
                      <span>•</span>
                      <span>{post.readTime} Min</span>
                    </div>
                    <div className="flex flex-col gap-4">
                      <p
                        className="font-semibold text-h-small leading-normal"
                        style={{ fontFamily: "var(--font-lora)" }}
                      >
                        {post.title}
                      </p>
                      <p className="font-normal text-body leading-6 line-clamp-1 lg:line-clamp-none">
                        {post.excerpt}
                      </p>
                    </div>
                  </div>
                  {/* Plain span, not its own nested Link — see the featured
                      post's own comment above. */}
                  <span className="flex items-center gap-1 font-bold text-body whitespace-nowrap group-hover:text-brand transition-colors">
                    <ArrowRightIcon />
                    <span>Zum Beitrag</span>
                  </span>
                </div>
              </Link>
            </RevealItem>
          ))}
        </div>

      </RevealGroup>
    </div>
  );
}
