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 on Mobile, side-by-side from sm+ */}
        <RevealItem className="w-full border border-border rounded-xl overflow-hidden grid grid-cols-1 sm:grid-cols-12 transition-transform duration-300 hover:-translate-y-1">
          <div className="relative w-full aspect-video sm:aspect-auto sm:col-span-7 sm:h-[220px] bg-bg-muted">
            {featured.thumbnail && (
              <Image
                alt=""
                src={featured.thumbnail}
                fill
                sizes="(min-width: 640px) 58vw, 100vw"
                className="object-cover pointer-events-none"
              />
            )}
          </div>
          <div className="flex flex-col justify-between gap-4 py-4 px-4 sm:pr-4 sm:pl-4 sm: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 sm: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). */}
            <Link
              href={featured.href}
              className="flex items-center gap-1 font-bold text-body text-text-primary whitespace-nowrap hover:text-brand transition-colors"
            >
              <ArrowRightIcon />
              <span>Zum Beitrag</span>
            </Link>
          </div>
        </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}
              className="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 pointer-events-none"
                  />
                )}
              </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>
                {/* flex + arrow as its own span — see the featured post's
                    own Link above / Tools.tsx's comment on this same fix. */}
                <Link
                  href={post.href}
                  className="flex items-center gap-1 font-bold text-body whitespace-nowrap hover:text-brand transition-colors"
                >
                  <ArrowRightIcon />
                  <span>Zum Beitrag</span>
                </Link>
              </div>
            </RevealItem>
          ))}
        </div>

      </RevealGroup>
    </div>
  );
}