import { count, desc, eq } from "drizzle-orm";
import { headers } from "next/headers";
import Image from "next/image";
import Link from "next/link";
import { getTranslations } from "next-intl/server";
import { RegisterForm } from "@/components/auth/register-form";
import { Clock } from "@/components/clock";
import { LanguageSwitcher } from "@/components/language-switcher";
import { Reveal } from "@/components/motion-reveal";
import { ThemeSwitcher } from "@/components/theme-switcher";
import { cached } from "@/lib/cache";
import { db, User } from "@/lib/db";
import { avatarImageUrl } from "@/lib/format";
import { resolveHotelName } from "@/lib/hotel-name";
import { captchaConfig } from "@/lib/services/captcha";
import { siteSettings } from "@/lib/services/site-settings";

// TODO: Cache Components adoption. Refactor this route so this opt-out can be removed.
// See: https://nextjs.org/docs/app/guides/migrating-to-cache-components
export const instant = false;

export default async function RegisterPage() {
	const th = await getTranslations("header");
	const tpr = await getTranslations("pages.register");
	const [hotelName, imagerRaw, cfg, logo] = await Promise.all([
		resolveHotelName(),
		siteSettings.get(
			"habbo_imaging_url",
			"https://www.habbo.com/habbo-imaging/avatarimage",
		),
		captchaConfig(),
		siteSettings.get("radio_social_discord", ""),
		siteSettings.get("cms_logo", ""),
	]);
	const imager = imagerRaw ?? "https://www.habbo.com/habbo-imaging/avatarimage";
	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),
		db
			.select({ username: User.username, look: User.look })
			.from(User)
			.where(eq(User.online, "1"))
			.limit(8)
			.catch(() => []),
		db
			.select({ username: User.username, look: User.look })
			.from(User)
			.orderBy(desc(User.accountCreated))
			.limit(8)
			.catch(() => []),
	]);

	return (
		<div className="flex flex-col gap-10 pb-14">
			{/* ── Top Bar ── */}
			<Reveal>
				<div
					className="relative flex items-center justify-between rounded-xl border px-5 py-3"
					style={{
						background:
							"color-mix(in srgb, var(--color-surface) 60%, transparent)",
						backdropFilter: "blur(14px)",
						WebkitBackdropFilter: "blur(14px)",
						borderColor:
							"color-mix(in srgb, var(--color-text-muted) 8%, transparent)",
					}}
				>
					<div className="flex items-center gap-3">
						{logo ? (
							<Image
								src={logo}
								alt={hotelName}
								width={100}
								height={28}
								className="shrink-0 object-contain"
								unoptimized
								style={{ maxHeight: 28, width: "auto", height: "auto" }}
							/>
						) : (
							<Image
								src="/assets/images/icons/lighthouse.png"
								alt={hotelName}
								width={28}
								height={28}
								className="shrink-0"
								unoptimized
							/>
						)}
						<span
							className="text-sm font-extrabold uppercase tracking-wide"
							style={{ color: "var(--color-text-readable)" }}
						>
							{hotelName}
						</span>
					</div>
					<div
						className="flex items-center gap-1.5 rounded-lg px-2 py-1"
						style={{
							background:
								"color-mix(in srgb, var(--color-text-muted) 4%, transparent)",
						}}
					>
						<LanguageSwitcher />
						<div
							className="w-px h-5"
							style={{
								background:
									"color-mix(in srgb, var(--color-text-muted) 12%, transparent)",
							}}
						/>
						<Clock />
						<div
							className="w-px h-5"
							style={{
								background:
									"color-mix(in srgb, var(--color-text-muted) 12%, transparent)",
							}}
						/>
						<ThemeSwitcher />
					</div>
				</div>
			</Reveal>
			<Reveal>
				<div className="flex flex-col lg:flex-row gap-10 stagger-children">
					{/* Left panel */}
					<div className="lg:w-80 shrink-0 space-y-4">
						<div
							className="relative overflow-hidden rounded-2xl border p-6 text-center card-premium"
							style={{
								borderColor:
									"color-mix(in srgb, var(--color-primary) 20%, transparent)",
								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) 85%, transparent) 0%, color-mix(in srgb, var(--color-surface) 40%, transparent) 100%)",
								}}
							/>
							<div className="relative">
								<Image
									src="/assets/images/FrankwithBag.gif"
									alt="Frank"
									width={130}
									height={170}
									className="object-contain mx-auto drop-shadow-xl animate-float"
									unoptimized
									priority
								/>
								<div
									className="inline-flex items-center gap-2 px-3.5 py-1 rounded-full text-xs font-bold uppercase tracking-wider mt-4 mb-3 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-green-500" />
									{tpr("usersOnline", { count: online })}
								</div>
								<h1
									className="text-xl font-black"
									style={{
										color: "var(--color-text-readable)",
										fontFamily: "var(--font-nunito)",
									}}
								>
									{tpr("title")} — {hotelName}
								</h1>
								<p
									className="text-xs mt-1 mx-auto max-w-[200px] leading-relaxed"
									style={{ color: "var(--color-text-muted)" }}
								>
									{th("tagline")}
								</p>
							</div>
						</div>

						{recentUsers.length > 0 && (
							<div
								className="overflow-hidden rounded-xl border"
								style={{
									borderColor:
										"color-mix(in srgb, var(--color-text-muted) 12%, transparent)",
								}}
							>
								<div
									className="flex items-center gap-2.5 px-4 py-3"
									style={{
										background:
											"linear-gradient(140deg, #0A1F0A 0%, #0F2D0F 20%, #153C15 40%, #1B4A1B 60%, #205820 75%, #1A4A1A 90%, #143814 100%)",
									}}
								>
									<Image
										src="/assets/images/icons/navigation/goody.png"
										alt=""
										width={18}
										height={18}
										unoptimized
									/>
									<h3
										className="text-sm font-bold text-white"
										style={{ fontFamily: "var(--font-nunito)" }}
									>
										{tpr("whoIsOnline")}
									</h3>
								</div>
								<div
									className="p-4"
									style={{
										background:
											"color-mix(in srgb, var(--color-surface) 70%, transparent)",
									}}
								>
									<div className="grid grid-cols-4 gap-1.5">
										{recentUsers.map((u) => (
											<div
												key={u.username}
												className="flex flex-col items-center gap-0.5 p-1.5 rounded-lg"
												style={{
													background:
														"color-mix(in srgb, var(--color-primary) 4%, transparent)",
												}}
											>
												<Image
													src={avatarImageUrl(imager, u.look, {
														headOnly: true,
														direction: 2,
														size: "s",
													})}
													alt=""
													width={26}
													height={32}
													className="rounded-md"
													unoptimized
												/>
												<span
													className="text-[8px] font-bold truncate w-full text-center leading-tight"
													style={{ color: "var(--color-text-readable)" }}
												>
													{u.username}
												</span>
											</div>
										))}
									</div>
								</div>
							</div>
						)}

						{latestUsers.length > 0 && (
							<div
								className="overflow-hidden rounded-xl border"
								style={{
									borderColor:
										"color-mix(in srgb, var(--color-text-muted) 12%, transparent)",
								}}
							>
								<div
									className="flex items-center gap-2.5 px-4 py-3"
									style={{
										background:
											"linear-gradient(140deg, #5a2d82 0%, #6b3a9e 20%, #7d47b8 40%, #8f54d0 60%, #7d47b8 75%, #6b3a9e 90%, #5a2d82 100%)",
									}}
								>
									<Image
										src="/assets/images/icons/friends.png"
										alt=""
										width={18}
										height={18}
										unoptimized
									/>
									<h3
										className="text-sm font-bold text-white"
										style={{ fontFamily: "var(--font-nunito)" }}
									>
										Newest citizens
									</h3>
								</div>
								<div
									className="p-4"
									style={{
										background:
											"color-mix(in srgb, var(--color-surface) 70%, transparent)",
									}}
								>
									<div className="grid grid-cols-4 gap-1.5">
										{latestUsers.map((u) => (
											<div
												key={u.username}
												className="flex flex-col items-center gap-0.5 p-1.5 rounded-lg"
												style={{
													background:
														"color-mix(in srgb, var(--color-primary) 4%, transparent)",
												}}
											>
												<Image
													src={avatarImageUrl(imager, u.look, {
														headOnly: true,
														direction: 2,
													})}
													alt=""
													width={52}
													height={64}
													className="rounded-md"
													unoptimized
												/>
												<span
													className="text-[10px] font-bold truncate w-full text-center leading-tight"
													style={{ color: "var(--color-text-readable)" }}
												>
													{u.username}
												</span>
											</div>
										))}
									</div>
								</div>
							</div>
						)}

						<p
							className="text-xs 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">
						<div
							className="overflow-hidden rounded-xl border"
							style={{
								borderColor:
									"color-mix(in srgb, var(--color-text-muted) 12%, transparent)",
							}}
						>
							<div
								className="flex items-center gap-2.5 px-4 py-3"
								style={{
									background:
										"linear-gradient(140deg, #1a3a5c 0%, #1e4a6e 20%, #2a5a80 40%, #3a6a90 60%, #4a7aa0 75%, #3a6a90 90%, #2a5a80 100%)",
								}}
							>
								<Image
									src="/assets/images/icons/navigation/me.png"
									alt=""
									width={18}
									height={18}
									unoptimized
								/>
								<h2
									className="text-sm font-bold text-white"
									style={{ fontFamily: "var(--font-nunito)" }}
								>
									{tpr("title")}
								</h2>
							</div>
							<div
								className="p-6"
								style={{ backgroundColor: "var(--color-surface)" }}
							>
								<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}
								/>
							</div>
						</div>
					</div>
				</div>
			</Reveal>
		</div>
	);
}