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 Link from "@/components/link";
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";

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),
		).catch(() => []),
		cached("register_latest_users", 30_000, () =>
			db
				.select({ username: User.username, look: User.look })
				.from(User)
				.orderBy(desc(User.accountCreated))
				.limit(8),
		).catch(() => []),
	]);

	return (
		<div className="mx-auto w-full max-w-6xl flex flex-col gap-8 pb-16">
			<AuthTopBar hotelName={hotelName} logo={logo} />

			<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: `url(/assets/images/background.png) center/cover no-repeat`,
								}}
							/>
							<div
								className="absolute inset-0"
								style={{
									background:
										"linear-gradient(135deg, color-mix(in srgb, var(--color-surface) 88%, transparent) 0%, color-mix(in srgb, var(--color-surface) 35%, transparent) 100%)",
								}}
							/>
							<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) 18%, transparent)",
												background:
													"color-mix(in srgb, var(--color-primary) 10%, transparent)",
												color:
													"var(--color-primary-readable, var(--color-primary))",
											}}
										>
											<span className="w-2 h-2 rounded-full bg-primary" />
											{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")} — {hotelName}
										</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="/assets/images/icons/navigation/goody.png"
								bodyClassName="p-4"
								className="card-glow"
							>
								<div className="grid grid-cols-4 gap-1.5">
									{recentUsers.map((u) => (
										<div
											key={u.username}
											className="flex flex-col items-center gap-1.5 rounded-xl border px-1 py-2 transition-all duration-200 hover:-translate-y-0.5"
											style={{
												background:
													"color-mix(in srgb, var(--color-primary) 4%, transparent)",
												borderColor:
													"color-mix(in srgb, var(--color-primary) 10%, transparent)",
											}}
										>
											<UserAvatarThumbnail
												figure={u.look}
												alt=""
												options={{ direction: 2 }}
												className="rounded-lg"
											/>
											<span
												className="w-full truncate text-center text-[9px] font-bold leading-tight"
												style={{ color: "var(--color-text-readable)" }}
											>
												{u.username}
											</span>
										</div>
									))}
								</div>
							</SurfaceCard>
						)}

						{latestUsers.length > 0 && (
							<SurfaceCard
								title="Newest citizens"
								icon="/assets/images/icons/friends.png"
								bodyClassName="p-4"
								className="card-glow"
							>
								<div className="grid grid-cols-4 gap-1.5">
									{latestUsers.map((u) => (
										<div
											key={u.username}
											className="flex flex-col items-center gap-1.5 rounded-xl border px-1 py-2 transition-all duration-200 hover:-translate-y-0.5"
											style={{
												background:
													"color-mix(in srgb, var(--color-primary) 4%, transparent)",
												borderColor:
													"color-mix(in srgb, var(--color-primary) 10%, transparent)",
											}}
										>
											<UserAvatarThumbnail
												figure={u.look}
												alt=""
												options={{ direction: 2 }}
												className="rounded-lg"
											/>
											<span
												className="w-full truncate text-center text-[9px] font-bold leading-tight"
												style={{ color: "var(--color-text-readable)" }}
											>
												{u.username}
											</span>
										</div>
									))}
								</div>
							</SurfaceCard>
						)}

						<p
							className="text-sm text-center"
							style={{ color: "var(--color-text-muted)" }}
						>
							{tpr("alreadyHaveAccountPre")}{" "}
							<Link
								href="/login"
								className="font-extrabold hover:underline"
								style={{
									color: "var(--color-primary-readable, var(--color-primary))",
								}}
							>
								{tpr("alreadyHaveAccountLink")}
							</Link>
						</p>
					</div>

					{/* Right: form */}
					<div className="flex-1 lg:sticky lg:top-6">
						<SurfaceCard
							title={tpr("title")}
							icon="/assets/images/icons/navigation/me.png"
							bodyClassName="p-6"
						>
							<p
								className="text-sm mb-6"
								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>
			</Reveal>
		</div>
	);
}