import type { Metadata } from "next";
import { notFound } from "next/navigation";
import { PageHeader } from "@/components/PageHeader";
import { Section } from "@/components/Section";
import { ImagePlaceholder } from "@/components/ImagePlaceholder";
import { RichText } from "@/components/RichText";
import { CTA } from "@/components/CTA";
import { BookingWidget } from "@/components/booking/BookingWidget";
import { getOfferBySlug } from "@/lib/payload/content";
import { moodForOffer } from "@/lib/angebote";
import { mediaAlt, mediaUrl } from "@/lib/payload/media";
import { OFFER_CATEGORIES } from "@/collections/Offers";
import { getCurrentCustomer } from "@/lib/auth/customer";

export const dynamic = "force-dynamic";

type Args = { params: Promise<{ slug: string }> };

export async function generateMetadata({ params }: Args): Promise<Metadata> {
  const { slug } = await params;
  const offer = await getOfferBySlug(slug);
  if (!offer) return {};
  return {
    title: offer.title,
    description: offer.shortDescription,
  };
}

export default async function OfferDetailPage({ params }: Args) {
  const { slug } = await params;
  const offer = await getOfferBySlug(slug);
  if (!offer) notFound();

  const categoryLabel = OFFER_CATEGORIES.find((c) => c.value === offer.category)?.label;
  const customer = offer.bookable ? await getCurrentCustomer() : null;

  return (
    <>
      <PageHeader
        eyebrow={categoryLabel}
        title={offer.title}
        lead={offer.shortDescription}
        crumbs={[{ title: "Angebote", href: "/angebote" }, { title: offer.title }]}
      />
      <div className="mx-auto -mt-10 max-w-5xl px-6 sm:px-8 lg:px-12">
        <div className="relative aspect-[21/9] w-full">
          <ImagePlaceholder
            mood={moodForOffer(offer)}
            label={offer.title}
            src={mediaUrl(offer.image, "hero")}
            alt={mediaAlt(offer.image) ?? offer.title}
            shape="soft"
            priority
            className="h-full w-full"
          />
        </div>
      </div>
      <Section tone="plain">
        <div className="mx-auto max-w-2xl">
          {(offer.price || offer.durationMinutes) && (
            <div className="mb-8 flex flex-wrap gap-6 rounded-2xl bg-anouma-cream-light p-5 text-sm">
              {offer.price && (
                <div>
                  <span className="block text-xs font-medium uppercase tracking-wide text-anouma-plum/60">Preis</span>
                  <span className="text-base text-anouma-plum">{offer.price}</span>
                </div>
              )}
              {offer.durationMinutes && (
                <div>
                  <span className="block text-xs font-medium uppercase tracking-wide text-anouma-plum/60">Dauer</span>
                  <span className="text-base text-anouma-plum">{offer.durationMinutes} Minuten</span>
                </div>
              )}
            </div>
          )}
          <RichText data={offer.description} />
        </div>
      </Section>

      {offer.bookable ? (
        <Section tone="cream">
          <div className="mx-auto max-w-3xl">
            <h2 className="mb-6 text-center font-serif text-3xl font-medium text-anouma-plum">Termin auswählen</h2>
            <BookingWidget offerSlug={offer.slug!} isLoggedIn={Boolean(customer)} />
          </div>
        </Section>
      ) : (
        <CTA
          title="Interesse geweckt?"
          lead={`Melde dich gerne für ein unverbindliches Gespräch zu „${offer.title}“.`}
        />
      )}
    </>
  );
}