import Link from "next/link";
import { getServerSession } from "next-auth";
import { authOptions } from "@/lib/auth";
import { organizerService } from "@/server/services/organizer.service";
import { CreateTripForm } from "@/features/trip/components/create-trip-form";

export default async function CreateTripPage() {
  const session = await getServerSession(authOptions);

  if (!session?.user) {
    return (
      <div className="flex min-h-[calc(100vh-3.5rem)] items-center justify-center px-4">
        <div className="text-center">
          <div className="mx-auto mb-4 flex h-16 w-16 items-center justify-center rounded-full bg-primary-50 text-3xl">
            🔒
          </div>
          <p className="mb-4 text-neutral-500">
            Kamu harus login untuk membuat trip.
          </p>
          <Link
            href="/login?callbackUrl=/create-trip"
            className="inline-block rounded-xl bg-primary-600 px-6 py-2.5 text-sm font-semibold text-white hover:bg-primary-700"
          >
            Login
          </Link>
        </div>
      </div>
    );
  }

  const verification = await organizerService.getStatusForUser(session.user.id);
  const isVerifiedOrganizer = verification?.status === "APPROVED";

  return (
    <div className="mx-auto max-w-2xl px-4 py-6 sm:py-8">
      <div className="mb-4 sm:mb-6">
        <h1 className="text-2xl font-bold text-neutral-800">Buat Trip Baru</h1>
        <p className="mt-1 text-sm text-neutral-500">
          Ajak orang baru jalan bareng!
        </p>
      </div>

      {!isVerifiedOrganizer && (
        <VerificationBanner status={verification?.status ?? null} />
      )}

      <CreateTripForm isVerifiedOrganizer={isVerifiedOrganizer} />
    </div>
  );
}

function VerificationBanner({
  status,
}: {
  status: "PENDING" | "APPROVED" | "REJECTED" | null;
}) {
  if (status === "PENDING") {
    return (
      <div className="mb-5 rounded-2xl border border-amber-200 bg-amber-50 p-4 sm:p-5">
        <p className="text-sm font-bold text-amber-800">
          ⏳ Verifikasi sedang diproses
        </p>
        <p className="mt-1 text-sm text-neutral-700">
          Pengajuan verifikasi-mu masih ditinjau admin. Sementara menunggu, kamu
          masih bisa membuat <strong>trip gratis</strong> (harga 0).
        </p>
      </div>
    );
  }

  const isRejected = status === "REJECTED";
  return (
    <div className="mb-5 rounded-2xl border border-amber-200 bg-amber-50 p-4 sm:p-5">
      <div className="flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
        <div className="flex-1">
          <p className="text-sm font-bold text-amber-800">
            ⚠️ {isRejected ? "Verifikasi ditolak" : "Belum terverifikasi"}
          </p>
          <p className="mt-1 text-sm text-neutral-700">
            {isRejected
              ? "Pengajuan sebelumnya ditolak. Untuk membuat trip berbayar, perbaiki data dan ajukan ulang."
              : "Untuk membuat trip berbayar, akun kamu perlu diverifikasi (KTP, selfie, & rekening). Trip gratis tidak butuh verifikasi."}
          </p>
        </div>
        <Link
          href="/verify"
          className="inline-flex shrink-0 items-center justify-center rounded-xl bg-amber-600 px-4 py-2 text-sm font-bold text-white shadow-sm transition-colors hover:bg-amber-700 sm:px-5"
        >
          {isRejected ? "Ajukan Ulang" : "Verifikasi Sekarang"}
        </Link>
      </div>
    </div>
  );
}