import { and, eq, like } from "drizzle-orm";
import type { Metadata } from "next";
import Image from "next/image";
import Link from "next/link";
import { db, Rooms, User } from "@/lib/db";
import { avatarImageUrl } from "@/lib/format";

export const metadata: Metadata = { title: "Search" };

type SearchParams = Promise<{ q?: string }>;

export default async function SearchPage({
	searchParams,
}: {
	searchParams: SearchParams;
}) {
	const { q } = await searchParams;
	const query = q?.trim();

	if (!query) {
		return (
			<div
				className="rounded-2xl border p-10 text-center"
				style={{
					background: "var(--color-surface)",
					borderColor:
						"color-mix(in srgb, var(--color-text-muted) 10%, transparent)",
				}}
			>
				<p
					className="text-sm font-bold"
					style={{ color: "var(--color-text-muted)" }}
				>
					Enter a search term to find users.
				</p>
			</div>
		);
	}

	const users = await db
		.select({
			id: User.id,
			username: User.username,
			look: User.look,
			motto: User.motto,
			online: User.online,
			rank: User.rank,
		})
		.from(User)
		.where(like(User.username, `%${query}%`))
		.limit(30)
		.catch(() => []);

	const rooms = await db
		.select({
			id: Rooms.id,
			name: Rooms.name,
			ownerName: Rooms.ownerName,
			users: Rooms.users,
			usersMax: Rooms.usersMax,
		})
		.from(Rooms)
		.where(and(like(Rooms.name, `%${query}%`), eq(Rooms.state, "open")))
		.limit(12)
		.catch(() => []);

	return (
		<div className="flex flex-col gap-6">
			<div
				className="rounded-2xl border p-4"
				style={{
					background: "var(--color-surface)",
					borderColor:
						"color-mix(in srgb, var(--color-text-muted) 10%, transparent)",
				}}
			>
				<form action="/search" method="GET" className="flex gap-2">
					<input
						type="text"
						name="q"
						defaultValue={query}
						placeholder="Search users or rooms..."
						className="flex-1 rounded-xl border-2 px-4 py-2.5 text-sm font-medium"
						style={{
							backgroundColor: "var(--color-background)",
							color: "var(--color-text-readable)",
							borderColor:
								"color-mix(in srgb, var(--color-text-muted) 25%, transparent)",
						}}
					/>
					<button
						type="submit"
						className="rounded-xl px-6 py-2.5 font-extrabold text-sm transition-all duration-200 hover:scale-[1.02] active:scale-95"
						style={{
							background: "var(--color-primary)",
							color: "var(--color-primary-foreground)",
						}}
					>
						Search
					</button>
				</form>
			</div>

			<p className="text-sm" style={{ color: "var(--color-text-muted)" }}>
				Results for &quot;{query}&quot; — {users.length} user
				{users.length !== 1 ? "s" : ""}
				{rooms.length > 0 &&
					`, ${rooms.length} room${rooms.length !== 1 ? "s" : ""}`}
			</p>

			{users.length > 0 && (
				<div
					className="rounded-2xl border p-5"
					style={{
						background: "var(--color-surface)",
						borderColor:
							"color-mix(in srgb, var(--color-text-muted) 10%, transparent)",
					}}
				>
					<h2
						className="text-lg font-black tracking-tight mb-4"
						style={{ color: "var(--color-text-readable)" }}
					>
						Users
					</h2>
					<div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-5 gap-3">
						{users.map((u) => (
							<Link
								key={u.id}
								href={`/u/${u.username}`}
								className="flex flex-col items-center gap-1.5 rounded-xl p-3 transition-all duration-200 hover:-translate-y-0.5"
								style={{
									background:
										"color-mix(in srgb, var(--color-primary) 4%, transparent)",
								}}
							>
								<Image
									src={avatarImageUrl(u.look, {
										headOnly: true,
										direction: 2,
									})}
									alt={u.username}
									width={40}
									height={48}
									unoptimized
									className="rounded-lg"
								/>
								<span
									className="text-xs font-extrabold truncate max-w-full text-center"
									style={{ color: "var(--color-text-readable)" }}
								>
									{u.username}
								</span>
								<span
									className="text-[9px] font-semibold"
									style={{ color: "var(--color-text-muted)" }}
								>
									{u.online === "1" ? "🟢 Online" : "Offline"}
								</span>
							</Link>
						))}
					</div>
				</div>
			)}

			{rooms.length > 0 && (
				<div
					className="rounded-2xl border p-5"
					style={{
						background: "var(--color-surface)",
						borderColor:
							"color-mix(in srgb, var(--color-text-muted) 10%, transparent)",
					}}
				>
					<h2
						className="text-lg font-black tracking-tight mb-4"
						style={{ color: "var(--color-text-readable)" }}
					>
						Rooms
					</h2>
					<div className="grid grid-cols-2 sm:grid-cols-3 gap-3">
						{rooms.map((room) => (
							<Link
								key={room.id}
								href={`/room/${room.id}`}
								className="rounded-xl border p-3 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-text-muted) 10%, transparent)",
								}}
							>
								<p
									className="text-sm font-extrabold truncate"
									style={{ color: "var(--color-text-readable)" }}
								>
									{room.name}
								</p>
								<p
									className="text-[10px] font-semibold mt-0.5"
									style={{ color: "var(--color-text-muted)" }}
								>
									{room.ownerName} · {room.users}/{room.usersMax}
								</p>
							</Link>
						))}
					</div>
				</div>
			)}

			{users.length === 0 && rooms.length === 0 && (
				<div
					className="rounded-2xl border p-10 text-center"
					style={{
						background: "var(--color-surface)",
						borderColor:
							"color-mix(in srgb, var(--color-text-muted) 10%, transparent)",
					}}
				>
					<p
						className="text-sm font-bold"
						style={{ color: "var(--color-text-muted)" }}
					>
						No users or rooms found for &quot;{query}&quot;.
					</p>
				</div>
			)}
		</div>
	);
}