import { count, desc, eq } from "drizzle-orm";
import { headers } from "next/headers";
import Image from "next/image";
import { getTranslations } from "next-intl/server";
import { AuthTopBar } from "@/components/auth/auth-top-bar";
import { RegisterForm } from "@/components/auth/register-form";
import { Reveal } from "@/components/motion-reveal";
import { UserAvatarThumbnail } from "@/components/shared/user-avatar-thumbnail";
import { SurfaceCard } from "@/components/surface-card";
import { cached } from "@/lib/cache";
import { db, User } from "@/lib/db";
import { resolveHotelName } from "@/lib/hotel-name";
import { captchaConfig } from "@/lib/services/captcha";
import { siteSettings } from "@/lib/services/site-settings";
import { ICON_FRIENDS, ICON_NAV_GOODY, ICON_NAV_ME } from "@/lib/site-icons";

export default async function RegisterPage() {
	const tpr = await getTranslations("pages.register");
	const [hotelName, cfg, logo] = await Promise.all([
		resolveHotelName(),
		captchaConfig(),
		siteSettings.get("cms_logo", ""),
	]);
	const nonce = (await headers()).get("x-nonce") ?? undefined;

	const [online, recentUsers, latestUsers] = await Promise.all([
		cached("online_count", 10_000, () =>
			db
				.select({ total: count() })
				.from(User)
				.where(eq(User.online, "1"))
				.then((rows) => rows[0]?.total ?? 0),
		).catch(() => 0),
		cached(
			"register_online_users",
			10_000,
			() =>
				db
					.select({ username: User.username, look: User.look })
					.from(User)
					.where(eq(User.online, "1"))
					.limit(8),
			{ staleMs: 30000 },
		).catch(() => []),
		cached(
			"register_latest_users",
			30_000,
			() =>
				db
					.select({ username: User.username, look: User.look })
					.from(User)
					.orderBy(desc(User.accountCreated))
					.limit(8),
			{ staleMs: 60000 },
		).catch(() => []),
	]);

	return (
		<div className="mx-auto w-full max-w-6xl flex flex-col gap-8 pb-16">
			<div className="relative">
				<div
					aria-hidden="true"
					className="pointer-events-none absolute -inset-x-16 -top-24 overflow-hidden"
				>
					<div
						className="aurora-blob -left-20 top-0 h-80 w-80"
						style={{
							background:
								"color-mix(in srgb, var(--color-primary) 34%, transparent)",
							opacity: 0.45,
						}}
					/>
					<div
						className="aurora-blob -right-20 top-6 h-72 w-72"
						style={{
							background:
								"color-mix(in srgb, var(--color-accent) 30%, transparent)",
							animationDelay: "-7s",
							opacity: 0.4,
						}}
					/>
				</div>
				<AuthTopBar hotelName={hotelName} logo={logo} />
			</div>

			<Reveal>
				<div className="flex flex-col gap-8 lg:flex-row lg:items-start">
					{/* Left: intro panel */}
					<div className="lg:w-96 shrink-0 space-y-4">
						<SurfaceCard
							className="card-glow relative overflow-hidden p-6"
							style={{
								borderColor:
									"color-mix(in srgb, var(--color-primary) 20%, transparent)",
							}}
						>
							<div
								className="absolute inset-0"
								style={{
									background:
										"linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 10%, transparent), color-mix(in srgb, var(--color-accent) 10%, transparent))",
								}}
							/>
							<div
								aria-hidden="true"
								className="absolute inset-0 overflow-hidden"
							>
								<div className="brand-halo left-1/2 top-0 h-64 w-[460px] max-w-full -translate-x-1/2 -translate-y-1/2" />
								<div
									className="aurora-blob -left-16 top-6 h-56 w-56"
									style={{
										background:
											"color-mix(in srgb, var(--color-primary) 45%, transparent)",
									}}
								/>
								<div
									className="aurora-blob -right-16 bottom-0 h-56 w-56"
									style={{
										background:
											"color-mix(in srgb, var(--color-accent) 40%, transparent)",
										animationDelay: "-8s",
									}}
								/>
							</div>
							<div className="relative">
								<div className="flex items-center gap-4">
									<div className="shrink-0 animate-float">
										<div className="brand-halo left-1/2 top-1/2 h-52 w-52 -translate-x-1/2 -translate-y-1/2" />
										<Image
											src="/assets/images/FrankwithBag.gif"
											alt="Frank"
											width={110}
											height={145}
											className="relative object-contain drop-shadow-xl"
											unoptimized
											priority
										/>
									</div>
									<div className="flex-1">
										<div
											className="inline-flex items-center gap-2 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider mb-2 border"
											style={{
												borderColor:
													"color-mix(in srgb, var(--color-primary) 30%, transparent)",
												background:
													"color-mix(in srgb, var(--color-surface) 72%, transparent)",
												color:
													"var(--color-primary-readable, var(--color-primary))",
												boxShadow:
													"0 8px 20px -12px color-mix(in srgb, var(--color-primary) 70%, transparent)",
											}}
										>
											<span className="relative flex h-2 w-2">
												<span
													className="animate-ping absolute inline-flex h-full w-full rounded-full opacity-75"
													style={{ background: "var(--color-primary)" }}
												/>
												<span
													className="relative inline-flex rounded-full h-2 w-2"
													style={{ background: "var(--color-primary)" }}
												/>
											</span>
											{tpr("usersOnline", { count: online })}
										</div>
										<h1
											className="text-lg font-black leading-tight"
											style={{
												color: "var(--color-text-readable)",
												fontFamily: "var(--font-nunito)",
											}}
										>
											{tpr("title")} —{" "}
											<span className="gradient-text">{hotelName}</span>
										</h1>
										<p
											className="text-xs mt-1.5 leading-relaxed"
											style={{ color: "var(--color-text-muted)" }}
										>
											{tpr("subtitle")}
										</p>
									</div>
								</div>
							</div>
						</SurfaceCard>

						{recentUsers.length > 0 && (
							<SurfaceCard
								title={tpr("whoIsOnline")}
								icon={ICON_NAV_GOODY}
								bodyClassName="p-4"
								className="card-glow"
							>
								<div className="grid grid-cols-4 gap-1.5">
									{recentUsers.map((u) => (
										<div
											key={u.username}
											title={u.username}
											className="avatar-tile"
										>
											<div className="relative">
												<UserAvatarThumbnail
													figure={u.look}
													alt=""
													options={{ direction: 2 }}
													className="rounded-lg"
												/>
												<span className="avatar-online absolute -bottom-0.5 -right-0.5" />
											</div>
											<span className="avatar-name">{u.username}</span>
										</div>
									))}
								</div>
							</SurfaceCard>
						)}

						{latestUsers.length > 0 && (
							<SurfaceCard
								title={tpr("newestCitizens")}
								icon={ICON_FRIENDS}
								bodyClassName="p-4"
								className="card-glow"
							>
								<div className="grid grid-cols-4 gap-1.5">
									{latestUsers.map((u) => (
										<div
											key={u.username}
											title={u.username}
											className="avatar-tile"
										>
											<UserAvatarThumbnail
												figure={u.look}
												alt=""
												options={{ direction: 2 }}
												className="rounded-lg"
											/>
											<span className="avatar-name">{u.username}</span>
										</div>
									))}
								</div>
							</SurfaceCard>
						)}
					</div>

					{/* Right: form */}
					<div className="flex-1 lg:sticky lg:top-6">
						<div className="gradient-border">
							<SurfaceCard
								title={tpr("title")}
								icon={ICON_NAV_ME}
								bodyClassName="p-6 sm:p-7"
								className="card-glow"
							>
								<p
									className="text-sm mb-6 leading-relaxed"
									style={{ color: "var(--color-text-muted)" }}
								>
									{tpr("subtitle")}
								</p>
								<RegisterForm
									hotelName={hotelName}
									captcha={{
										provider: cfg.provider,
										siteKey: cfg.siteKey || undefined,
									}}
									nonce={nonce}
								/>
							</SurfaceCard>
						</div>
					</div>
				</div>
			</Reveal>
		</div>
	);
}