import { redirect } from "next/navigation";
import Image from "next/image";
import Link from "next/link";
import { getServerSession } from "next-auth";
import { authOptions } from "@/lib/auth";
import { profileService } from "@/server/services/profile.service";
import { TripCard } from "@/features/trip/components/trip-card";
import { ProfileTripRow } from "@/features/profile/components/profile-trip-row";

export default async function ProfilePage() {
  const session = await getServerSession(authOptions);
  if (!session?.user) {
    redirect("/login?callbackUrl=/profile");
  }

  const data = await profileService.getProfileDashboard(session.user.id);
  const { user, organizedTrips, activeJoined, cancelledJoined, reviewable } =
    data;

  const memberSince = new Intl.DateTimeFormat("id-ID", {
    month: "long",
    year: "numeric",
  }).format(user.createdAt);

  return (
    <div className="mx-auto max-w-4xl px-4 py-6 sm:py-8">
      <div className="mb-6 flex flex-col gap-4 rounded-2xl border border-neutral-200 bg-white p-5 shadow-sm sm:flex-row sm:items-center sm:justify-between sm:p-6">
        <div className="flex items-center gap-4">
          {user.image ? (
            <Image
              src={user.image}
              alt=""
              width={72}
              height={72}
              className="h-[72px] w-[72px] rounded-full object-cover"
            />
          ) : (
            <div className="flex h-[72px] w-[72px] shrink-0 items-center justify-center rounded-full bg-primary-600 text-2xl font-bold text-white">
              {user.name.charAt(0).toUpperCase()}
            </div>
          )}
          <div className="min-w-0">
            <h1 className="text-xl font-bold text-neutral-800 sm:text-2xl">
              {user.name}
            </h1>
            <p className="mt-0.5 truncate text-sm text-neutral-500">{user.email}</p>
            <p className="mt-1 text-xs text-neutral-400">
              Anggota sejak {memberSince}
            </p>
            <p className="mt-2 text-xs text-neutral-500">
              Di sini kamu bisa lihat trip yang kamu buat sebagai{" "}
              <span className="font-semibold text-primary-700">organizer</span>,
              trip yang kamu{" "}
              <span className="font-semibold text-secondary-700">ikuti</span>{" "}
              sebagai peserta, dan{" "}
              <span className="font-semibold text-amber-700">ulasan</span> untuk
              trip yang sudah selesai (lewat halaman trip).
            </p>
          </div>
        </div>
        <Link
          href="/create-trip"
          className="shrink-0 rounded-xl bg-primary-600 px-4 py-2.5 text-center text-sm font-semibold text-white shadow-md hover:bg-primary-700"
        >
          + Buat trip
        </Link>
      </div>

      {/* Trip selesai — akses ulasan (trip ini tidak muncul di Open Trip) */}
      {reviewable.length > 0 && (
        <section className="mb-8 rounded-2xl border border-amber-200 bg-amber-50/60 p-4 sm:p-5">
          <h2 className="mb-1 text-base font-bold text-amber-900 sm:text-lg">
            Trip selesai & ulasan
          </h2>
          <p className="mb-4 text-xs text-amber-900/80 sm:text-sm">
            Trip yang sudah lewat tidak tampil di daftar Open Trip. Buka trip di
            bawah ini lalu scroll ke bagian ulasan di halaman detail untuk
            memberi atau mengubah rating.
          </p>
          <ul className="space-y-2">
            {reviewable.map((p) => {
              const t = p.trip;
              const hasReview = t.reviews.length > 0;
              return (
                <li key={p.id}>
                  <ProfileTripRow
                    href={`/trips/${t.id}`}
                    title={t.title}
                    mountain={t.mountain}
                    date={t.date}
                    endDate={t.endDate}
                    rightSlot={
                      <span
                        className={
                          hasReview
                            ? "text-secondary-700"
                            : "font-bold text-amber-800"
                        }
                      >
                        {hasReview ? "Ubah ulasan →" : "Beri ulasan →"}
                      </span>
                    }
                  />
                </li>
              );
            })}
          </ul>
        </section>
      )}

      <div className="grid gap-8 lg:grid-cols-2">
        <section>
          <h2 className="mb-3 text-base font-bold text-neutral-800 sm:text-lg">
            Trip yang kamu buat
            <span className="ml-2 text-sm font-normal text-neutral-400">
              ({organizedTrips.length})
            </span>
          </h2>
          {organizedTrips.length === 0 ? (
            <p className="rounded-xl border border-dashed border-neutral-200 bg-neutral-50 px-4 py-6 text-center text-sm text-neutral-500">
              Belum ada trip.{" "}
              <Link href="/create-trip" className="font-semibold text-primary-600">
                Buat trip pertama
              </Link>
            </p>
          ) : (
            <div className="space-y-4">
              {organizedTrips.map((trip) => (
                <TripCard
                  key={trip.id}
                  id={trip.id}
                  title={trip.title}
                  mountain={trip.mountain}
                  location={trip.location}
                  date={trip.date}
                  endDate={trip.endDate}
                  price={trip.price}
                  maxParticipants={trip.maxParticipants}
                  participantCount={trip._count.participants}
                  organizerName={`${user.name} (Kamu)`}
                  status={trip.status}
                  coverImage={trip.images[0]?.url}
                />
              ))}
            </div>
          )}
        </section>

        <section>
          <h2 className="mb-3 text-base font-bold text-neutral-800 sm:text-lg">
            Trip yang kamu ikuti
            <span className="ml-2 text-sm font-normal text-neutral-400">
              ({activeJoined.length})
            </span>
          </h2>
          {activeJoined.length === 0 ? (
            <p className="rounded-xl border border-dashed border-neutral-200 bg-neutral-50 px-4 py-6 text-center text-sm text-neutral-500">
              Belum join trip.{" "}
              <Link href="/trips" className="font-semibold text-primary-600">
                Cari open trip
              </Link>
            </p>
          ) : (
            <ul className="space-y-2">
              {activeJoined.map((p) => {
                const t = p.trip;
                return (
                  <li key={p.id}>
                    <ProfileTripRow
                      href={`/trips/${t.id}`}
                      title={t.title}
                      mountain={t.mountain}
                      date={t.date}
                      endDate={t.endDate}
                      rightSlot={
                        <span className="text-neutral-400">
                          {p.status === "CONFIRMED" ? "Terdaftar" : p.status}
                        </span>
                      }
                    />
                  </li>
                );
              })}
            </ul>
          )}

          {cancelledJoined.length > 0 && (
            <div className="mt-6">
              <h3 className="mb-2 text-sm font-semibold text-neutral-500">
                Riwayat batal ({cancelledJoined.length})
              </h3>
              <ul className="space-y-2 opacity-80">
                {cancelledJoined.map((p) => {
                  const t = p.trip;
                  return (
                    <li key={p.id}>
                      <ProfileTripRow
                        href={`/trips/${t.id}`}
                        title={t.title}
                        mountain={t.mountain}
                        date={t.date}
                        endDate={t.endDate}
                        rightSlot={
                          <span className="text-red-500/90">Dibatalkan</span>
                        }
                      />
                    </li>
                  );
                })}
              </ul>
            </div>
          )}
        </section>
      </div>
    </div>
  );
}
