import Link from "next/link";
import Image from "next/image";
import { tripService } from "@/server/services/trip.service";
import { TripCard } from "@/features/trip/components/trip-card";

export default async function HomePage() {
  const trips = await tripService.getOpenTrips();

  const now = new Date();
  const nextWeek = new Date(now.getTime() + 7 * 24 * 60 * 60 * 1000);

  const upcomingTrips = trips
    .filter((t) => new Date(t.date) <= nextWeek)
    .slice(0, 3);

  const upcomingIds = new Set(upcomingTrips.map((t) => t.id));

  const latestTrips = trips
    .filter((t) => !upcomingIds.has(t.id))
    .slice(0, 6);

  const shownIds = new Set([...upcomingIds, ...latestTrips.map((t) => t.id)]);

  const budgetTrips = trips
    .filter((t) => !shownIds.has(t.id) && t.price <= 300000)
    .slice(0, 3);

  return (
    <div className="relative min-h-screen bg-neutral-50">
      {/* ========== HERO ========== */}
      <section className="relative overflow-hidden bg-neutral-900">
        {/* Logo background full */}
        <Image
          src="/images/SeTrip.png"
          alt=""
          fill
          className="object-cover opacity-10 brightness-150"
          priority
        />
        <div className="absolute inset-0 bg-linear-to-br from-primary-900/85 via-neutral-900/75 to-secondary-900/80" />

        <div className="relative mx-auto max-w-4xl px-4 pb-10 pt-8 text-center sm:pb-14 sm:pt-12 lg:pb-16 lg:pt-14">
          {/* Brand badge */}
          <div className="mb-4 inline-flex items-center gap-1.5 rounded-full border border-primary-400/30 bg-primary-600/20 px-3 py-1 sm:mb-6 sm:gap-2 sm:px-4 sm:py-1.5">
            <span className="text-xs sm:text-sm">🏔️</span>
            <span className="text-xs font-medium text-primary-300 sm:text-sm">
              Open Trip Pendakian Gunung
            </span>
          </div>

          <h1 className="mb-3 text-3xl font-extrabold leading-tight tracking-tight text-white sm:mb-4 sm:text-4xl lg:text-5xl">
            Se<span className="text-primary-400">Trip</span>
          </h1>

          <p className="mx-auto mb-2 max-w-sm text-base font-medium text-neutral-300 sm:mb-3 sm:max-w-lg sm:text-lg">
            Masa cowok sejati, cewek seimut nggak{" "}
            <span className="text-primary-400">SeTrip</span> bareng?
          </p>
          <p className="mx-auto mb-6 max-w-xs text-sm text-neutral-400 sm:mb-8 sm:max-w-md sm:text-base">
            Yuk mulai dari sini. Cari open trip pendakian, gabung bareng, nikmati
            petualangan ke gunung-gunung Jawa Barat.
          </p>

          <Link
            href="/trips"
            className="inline-block rounded-xl bg-primary-600 px-6 py-2.5 text-sm font-semibold text-white shadow-lg shadow-primary-600/25 transition-all hover:bg-primary-500 hover:scale-105 active:scale-95 sm:px-8 sm:py-3 sm:text-base"
          >
            Cari Trip Sekarang
          </Link>

          {/* Stats */}
          <div className="mt-8 flex justify-center gap-6 sm:mt-10 sm:gap-10 lg:gap-12">
            <div>
              <p className="text-xl font-bold text-primary-400 sm:text-2xl">
                {trips.length}
              </p>
              <p className="text-[11px] text-neutral-400 sm:text-xs">Trip Tersedia</p>
            </div>
            <div className="h-8 w-px bg-neutral-700 sm:h-10" />
            <div>
              <p className="text-xl font-bold text-secondary-400 sm:text-2xl">8</p>
              <p className="text-[11px] text-neutral-400 sm:text-xs">Gunung Jabar</p>
            </div>
            <div className="h-8 w-px bg-neutral-700 sm:h-10" />
            <div>
              <p className="text-xl font-bold text-white sm:text-2xl">100%</p>
              <p className="text-[11px] text-neutral-400 sm:text-xs">Seru</p>
            </div>
          </div>
        </div>
      </section>

      {/* ========== CONTENT ========== */}
      <div className="mx-auto max-w-6xl px-4 py-6 space-y-8 sm:py-8 sm:space-y-10 lg:py-10 lg:space-y-12">
        {/* Trip Terdekat */}
        {upcomingTrips.length > 0 && (
          <section>
            <div className="mb-4 flex items-center gap-3 sm:mb-5">
              <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-primary-100 text-base sm:h-9 sm:w-9 sm:text-lg">
                🔥
              </div>
              <div>
                <h2 className="text-base font-bold text-neutral-800 sm:text-lg">
                  Trip Terdekat
                </h2>
                <p className="text-[11px] text-neutral-500 sm:text-xs">
                  Berangkat dalam 7 hari ke depan
                </p>
              </div>
            </div>
            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
              {upcomingTrips.slice(0, 3).map((trip, i) => (
                <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={trip.organizer.name}
                  status={trip.status}
                  coverImage={trip.images[0]?.url}
                  priority={i === 0}
                />
              ))}
            </div>
          </section>
        )}

        {/* Open Trip */}
        <section>
          <div className="mb-4 flex items-center justify-between sm:mb-5">
            <div className="flex items-center gap-3">
              <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-secondary-100 text-base sm:h-9 sm:w-9 sm:text-lg">
                🏔️
              </div>
              <div>
                <h2 className="text-base font-bold text-neutral-800 sm:text-lg">
                  Open Trip
                </h2>
                <p className="hidden text-xs text-neutral-500 sm:block">
                  Pendakian gunung bareng teman baru
                </p>
              </div>
            </div>
            <Link
              href="/trips"
              className="rounded-lg bg-secondary-50 px-2.5 py-1 text-xs font-medium text-secondary-600 hover:bg-secondary-100 sm:px-3 sm:py-1.5 sm:text-sm"
            >
              Lihat semua
            </Link>
          </div>

          {latestTrips.length === 0 ? (
            <div className="rounded-2xl border-2 border-dashed border-neutral-200 bg-white p-8 text-center sm:p-14">
              <div className="mx-auto mb-4 flex h-14 w-14 items-center justify-center rounded-full bg-primary-50 text-2xl sm:h-16 sm:w-16 sm:text-3xl">
                🏕️
              </div>
              <p className="mb-1 text-base font-bold text-neutral-800 sm:text-lg">
                Belum ada trip tersedia
              </p>
              <p className="mb-5 text-sm text-neutral-500 sm:mb-6">
                Jadilah yang pertama buat open trip pendakian!
              </p>
              <Link
                href="/create-trip"
                className="inline-block rounded-xl bg-primary-600 px-5 py-2.5 text-sm font-semibold text-white shadow-lg shadow-primary-600/25 hover:bg-primary-700"
              >
                + Buat Trip Baru
              </Link>
            </div>
          ) : (
            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
              {latestTrips.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={trip.organizer.name}
                  status={trip.status}
                  coverImage={trip.images[0]?.url}
                />
              ))}
            </div>
          )}
        </section>

        {/* Budget Friendly */}
        {budgetTrips.length > 0 && (
          <section>
            <div className="mb-4 flex items-center gap-3 sm:mb-5">
              <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-primary-100 text-base sm:h-9 sm:w-9 sm:text-lg">
                💸
              </div>
              <div>
                <h2 className="text-base font-bold text-neutral-800 sm:text-lg">
                  Budget Friendly
                </h2>
                <p className="text-[11px] text-neutral-500 sm:text-xs">
                  Trip di bawah Rp 300.000
                </p>
              </div>
            </div>
            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
              {budgetTrips.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={trip.organizer.name}
                  status={trip.status}
                  coverImage={trip.images[0]?.url}
                />
              ))}
            </div>
          </section>
        )}

        {/* CTA Bottom */}
        <section className="overflow-hidden rounded-2xl bg-neutral-800 p-6 text-center sm:p-8 lg:p-12">
          <h2 className="mb-2 text-xl font-bold text-white sm:text-2xl">
            Siap naik gunung?
          </h2>
          <p className="mx-auto mb-5 max-w-xs text-sm text-neutral-400 sm:mb-6 sm:max-w-sm sm:text-base">
            Buat trip sendiri atau gabung trip yang sudah ada. Seru bareng teman
            baru!
          </p>
          <div className="flex flex-col justify-center gap-2 sm:flex-row sm:gap-3">
            <Link
              href="/create-trip"
              className="rounded-xl bg-primary-600 px-6 py-2.5 text-sm font-semibold text-white shadow-lg shadow-primary-600/25 hover:bg-primary-500"
            >
              Buat Trip
            </Link>
            <Link
              href="/trips"
              className="rounded-xl border border-neutral-600 px-6 py-2.5 text-sm font-semibold text-neutral-300 hover:border-neutral-500 hover:text-white"
            >
              Cari Trip
            </Link>
          </div>
        </section>
      </div>

      {/* ========== FAB ========== */}
      <Link
        href="/create-trip"
        className="fixed bottom-4 right-4 z-50 flex h-12 w-12 items-center justify-center rounded-full bg-primary-600 text-xl font-bold text-white shadow-xl shadow-primary-600/30 transition-all hover:scale-110 hover:bg-primary-500 active:scale-95 sm:bottom-6 sm:right-6 sm:h-14 sm:w-14 sm:text-2xl"
        title="Buat Trip"
      >
        +
      </Link>
    </div>
  );
}