import type { Metadata } from "next";
import Link from "next/link";
import Image from "next/image";
import { notFound } from "next/navigation";
import { profileService } from "@/server/services/profile.service";
import { trustService } from "@/server/services/trust.service";
import { reviewService } from "@/server/services/review.service";
import { TripCard } from "@/features/trip/components/trip-card";
import { ProfileTripRow } from "@/features/profile/components/profile-trip-row";
import { OrganizerStatsPanel } from "@/features/profile/components/organizer-stats-panel";
import { OrganizerReviewsList } from "@/features/review/components/organizer-reviews-list";
import { siteConfig } from "@/lib/site";
import { vibeMeta } from "@/lib/vibe";

interface PageProps {
  params: Promise<{ id: string }>;
}

export async function generateMetadata({
  params,
}: PageProps): Promise<Metadata> {
  const { id } = await params;
  const data = await profileService.getPublicProfile(id);
  if (!data) {
    return { title: "Profil tidak ditemukan", robots: { index: false } };
  }
  const { user } = data;
  const title = `${user.name} — Profil`;
  const desc =
    user.profile?.bio?.slice(0, 160) ||
    `Lihat profil ${user.name} di ${siteConfig.name}: trip yang dibuat, trip yang diikuti, dan minat aktivitas.`;
  return {
    title,
    description: desc,
    alternates: { canonical: `/u/${id}` },
    openGraph: { title, description: desc, url: `/u/${id}` },
  };
}

export default async function PublicProfilePage({ params }: PageProps) {
  const { id } = await params;
  const data = await profileService.getPublicProfile(id);
  if (!data) notFound();

  const { user, isVerifiedOrganizer, organizedTrips, joinedTrips } = data;
  const profile = user.profile;
  const memberSince = new Date(user.createdAt).toLocaleDateString("id-ID", {
    month: "long",
    year: "numeric",
  });

  // Trust panel hanya relevan untuk user yang berperan organizer.
  // Hindari query Prisma yang nggak perlu untuk user yang murni peserta.
  const isOrganizerProfile = organizedTrips.length > 0 || isVerifiedOrganizer;
  const [organizerTrust, organizerReviews] = isOrganizerProfile
    ? await Promise.all([
        trustService.getOrganizerTrust(user.id),
        reviewService.getReviewsByOrganizer(user.id),
      ])
    : [null, []];

  return (
    <div className="mx-auto max-w-4xl px-4 py-6 sm:py-8">
      {/* Header */}
      <section className="rounded-2xl border border-neutral-200 bg-white p-5 shadow-sm sm:p-6">
        <div className="flex flex-col gap-4 sm:flex-row sm:items-start sm:gap-5">
          <div className="relative h-20 w-20 shrink-0 overflow-hidden rounded-full bg-neutral-200 sm:h-24 sm:w-24">
            {user.image ? (
              <Image
                src={user.image}
                alt={user.name}
                fill
                sizes="96px"
                className="object-cover"
              />
            ) : (
              <div className="flex h-full items-center justify-center text-2xl font-bold text-neutral-500">
                {user.name.charAt(0).toUpperCase()}
              </div>
            )}
          </div>
          <div className="min-w-0 flex-1">
            <div className="flex flex-wrap items-center gap-2">
              <h1 className="text-xl font-bold text-neutral-800 sm:text-2xl">
                {user.name}
              </h1>
              {isVerifiedOrganizer && (
                <span
                  className="inline-flex items-center gap-0.5 rounded-full bg-primary-100 px-2 py-0.5 text-[11px] font-bold uppercase tracking-wide text-primary-800"
                  title="Identitas organizer telah diverifikasi (KTP & rekening)"
                >
                  ✅ Verified Organizer
                </span>
              )}
            </div>

            <div className="mt-1 flex flex-wrap items-center gap-x-3 gap-y-1 text-sm text-neutral-500">
              {profile?.city && (
                <span className="inline-flex items-center gap-1">
                  📍 {profile.city}
                </span>
              )}
              <span className="text-xs">Bergabung sejak {memberSince}</span>
            </div>

            {profile?.bio && (
              <p className="mt-3 whitespace-pre-line text-sm text-neutral-700">
                {profile.bio}
              </p>
            )}

            {profile?.vibe && (
              <div className="mt-3">
                <span
                  className="inline-flex items-center gap-1.5 rounded-full bg-primary-50 px-2.5 py-1 text-xs font-semibold text-primary-700"
                  title={vibeMeta(profile.vibe).description}
                >
                  <span aria-hidden>{vibeMeta(profile.vibe).icon}</span>
                  <span>Vibe: {vibeMeta(profile.vibe).label}</span>
                </span>
              </div>
            )}

            {profile?.interests && profile.interests.length > 0 && (
              <div className="mt-3 flex flex-wrap gap-1.5">
                {profile.interests.map((tag) => (
                  <span
                    key={tag}
                    className="rounded-full bg-secondary-50 px-2.5 py-0.5 text-xs font-medium text-secondary-700"
                  >
                    #{tag}
                  </span>
                ))}
              </div>
            )}

            {profile?.instagram && (
              <a
                href={`https://instagram.com/${profile.instagram}`}
                target="_blank"
                rel="noopener noreferrer nofollow"
                className="mt-3 inline-flex items-center gap-1.5 text-sm font-medium text-primary-600 hover:text-primary-700"
              >
                <span>📸</span>
                <span>@{profile.instagram}</span>
              </a>
            )}
          </div>
        </div>

        <div className="mt-5 grid grid-cols-2 gap-3 border-t border-neutral-100 pt-4 text-center sm:grid-cols-3">
          <div>
            <p className="text-lg font-bold text-primary-600">
              {organizedTrips.length}
            </p>
            <p className="text-[11px] text-neutral-500">Trip dibuat</p>
          </div>
          <div>
            <p className="text-lg font-bold text-secondary-600">
              {joinedTrips.length}
            </p>
            <p className="text-[11px] text-neutral-500">Trip diikuti</p>
          </div>
          <div className="col-span-2 sm:col-span-1">
            <p className="text-lg font-bold text-neutral-700">
              {organizedTrips.length + joinedTrips.length}
            </p>
            <p className="text-[11px] text-neutral-500">Total perjalanan</p>
          </div>
        </div>
      </section>

      {organizerTrust && <OrganizerStatsPanel trust={organizerTrust} />}

      {organizerTrust && organizerReviews.length > 0 && (
        <OrganizerReviewsList
          reviews={organizerReviews}
          totalCount={organizerTrust.reviewCount}
        />
      )}

      {/* Empty profile hint */}
      {!profile && (
        <p className="mt-5 rounded-xl border border-dashed border-neutral-200 bg-neutral-50 px-4 py-3 text-center text-xs text-neutral-500">
          {user.name} belum melengkapi profil sosial — bio, kota, & minat akan
          muncul di sini setelah diisi.
        </p>
      )}

      {/* Trip dibuat */}
      {organizedTrips.length > 0 && (
        <section className="mt-8">
          <h2 className="mb-3 text-base font-bold text-neutral-800 sm:text-lg">
            Trip yang dibuat ({organizedTrips.length})
          </h2>
          <div className="grid gap-4 sm:grid-cols-2">
            {organizedTrips.map((trip) => (
              <TripCard
                key={trip.id}
                id={trip.id}
                title={trip.title}
                category={trip.category}
                vibe={trip.vibe}
                destination={trip.destination}
                location={trip.location}
                date={trip.date}
                endDate={trip.endDate}
                price={trip.price}
                maxParticipants={trip.maxParticipants}
                participantCount={trip._count.participants}
                organizerName={user.name}
                status={trip.status}
                coverImage={trip.images[0]?.url}
                isVerifiedOrganizer={isVerifiedOrganizer}
              />
            ))}
          </div>
        </section>
      )}

      {/* Trip diikuti */}
      {joinedTrips.length > 0 && (
        <section className="mt-8">
          <h2 className="mb-3 text-base font-bold text-neutral-800 sm:text-lg">
            Trip yang diikuti ({joinedTrips.length})
          </h2>
          <ul className="space-y-2">
            {joinedTrips.map((trip) => (
              <li key={trip.id}>
                <ProfileTripRow
                  href={`/trips/${trip.id}`}
                  title={trip.title}
                  destination={trip.destination}
                  date={trip.date}
                  endDate={trip.endDate}
                  rightSlot={
                    <span className="text-neutral-500">
                      bareng{" "}
                      <Link
                        href={`/u/${trip.organizer.id}`}
                        className="font-medium text-neutral-700 hover:text-primary-600"
                      >
                        {trip.organizer.name}
                      </Link>
                    </span>
                  }
                />
              </li>
            ))}
          </ul>
        </section>
      )}

      {/* Empty state */}
      {organizedTrips.length === 0 && joinedTrips.length === 0 && (
        <p className="mt-8 rounded-xl border border-dashed border-neutral-200 bg-white px-4 py-10 text-center text-sm text-neutral-500">
          Belum ada trip yang dibuat atau diikuti.
        </p>
      )}
    </div>
  );
}