import { Metadata } from "next";
import Link from "next/link";
import { redirect } from "next/navigation";

import { Icon } from "@iconify/react";

import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";

import Carousel from "@/components/carousel";
import LikeButton from "@/components/like-button";
import ImageViewer from "@/components/image-viewer";
import DeleteMiiButton from "@/components/delete-mii";
import ScanTutorialButton from "@/components/tutorial/scan";

interface Props {
	params: Promise<{ id: string }>;
}

export async function generateMetadata({ params }: Props): Promise<Metadata> {
	const { id } = await params;

	const mii = await prisma.mii.findUnique({
		where: {
			id: Number(id),
		},
		include: {
			user: {
				select: {
					username: true,
				},
			},
			_count: {
				select: { likedBy: true }, // Get total like count
			},
		},
	});

	// Bots get redirected anyways
	if (!mii) return {};

	const miiImageUrl = `/mii/${mii.id}/image?type=mii`;
	const qrCodeUrl = `/mii/${mii.id}/image?type=qr-code`;

	const username = `@${mii.user.username}`;

	return {
		metadataBase: new URL(process.env.BASE_URL!),
		title: `${mii.name} - TomodachiShare`,
		description: `Check out '${mii.name}', a Tomodachi Life Mii created by ${username} on TomodachiShare. From ${mii.islandName} Island with ${mii._count.likedBy} likes.`,
		keywords: [`mii`, `tomodachi life`, `nintendo`, ...mii.tags],
		creator: username,
		category: "Gaming",
		openGraph: {
			locale: "en_US",
			type: "article",
			images: [miiImageUrl, qrCodeUrl],
			siteName: "TomodachiShare",
			publishedTime: mii.createdAt.toISOString(),
			authors: username,
		},
		twitter: {
			card: "summary_large_image",
			title: `${mii.name} - TomodachiShare`,
			description: `Check out '${mii.name}', a Tomodachi Life Mii created by ${username} on TomodachiShare. From ${mii.islandName} Island with ${mii._count.likedBy} likes.`,
			images: [miiImageUrl, qrCodeUrl],
			creator: username,
		},
		alternates: {
			canonical: `/mii/${mii.id}`,
		},
	};
}

export default async function MiiPage({ params }: Props) {
	const { id } = await params;
	const session = await auth();

	const mii = await prisma.mii.findUnique({
		where: {
			id: Number(id),
		},
		include: {
			user: {
				select: {
					username: true,
				},
			},
			likedBy: session?.user
				? {
						where: {
							userId: Number(session.user.id),
						},
						select: { userId: true },
				  }
				: false,
			_count: {
				select: { likedBy: true }, // Get total like count
			},
		},
	});

	if (!mii) redirect("/404");

	const images = [
		`/mii/${mii.id}/image?type=mii`,
		`/mii/${mii.id}/image?type=qr-code`,
		...Array.from({ length: mii.imageCount }, (_, index) => `/mii/${mii.id}/image?type=image${index}`),
	];

	return (
		<div>
			<div className="relative grid grid-cols-5 gap-2 max-sm:grid-cols-1 max-lg:grid-cols-2">
				{/* Carousel */}
				<div className="min-w-full flex justify-center col-span-2 max-lg:col-span-1">
					<Carousel images={images} className="shadow-lg" />
				</div>

				{/* Information */}
				<div className="flex flex-col gap-1 p-4 col-span-2 max-lg:col-span-1">
					<h1 className="text-4xl font-extrabold break-words">{mii.name}</h1>
					<div id="tags" className="flex flex-wrap gap-1 mt-1 *:px-2 *:py-1 *:bg-orange-300 *:rounded-full *:text-xs">
						{mii.tags.map((tag) => (
							<Link href={{ pathname: "/", query: { tags: tag } }} key={tag}>
								{tag}
							</Link>
						))}
					</div>

					<div className="mt-2">
						<Link href={`/profile/${mii.userId}`} className="text-lg">
							By: <span className="font-bold">@{mii.user.username}</span>
						</Link>
						<h4 title={`${mii.createdAt.toLocaleTimeString("en-GB", { timeZone: "UTC" })} UTC`}>
							Created: {mii.createdAt.toLocaleDateString("en-GB", { month: "long", day: "2-digit", year: "numeric" })}
						</h4>
					</div>

					<div className="mt-auto">
						<LikeButton
							likes={mii._count.likedBy ?? 0}
							miiId={mii.id}
							isLiked={(mii.likedBy ?? []).length > 0}
							isLoggedIn={session?.user != null}
							big
						/>
					</div>
				</div>

				{/* Extra information */}
				<div className="flex flex-col gap-2">
					<section className="p-6 bg-orange-100 rounded-2xl shadow-lg border-2 border-orange-400 h-min">
						<legend className="text-lg font-semibold mb-2">Mii Info</legend>
						<ul className="text-sm *:flex *:justify-between *:items-center *:my-1">
							<li>
								Name:{" "}
								<span className="text-right">
									{mii.firstName} {mii.lastName}
								</span>
							</li>
							<li>
								From: <span className="text-right">{mii.islandName} Island</span>
							</li>
							<li>
								Allowed Copying: <input type="checkbox" checked={mii.allowedCopying} disabled className="checkbox !cursor-auto" />
							</li>
						</ul>
					</section>
					<div className="flex gap-1 text-4xl justify-end text-orange-400">
						{session && (Number(session.user.id) === mii.userId || Number(session.user.id) === Number(process.env.NEXT_PUBLIC_ADMIN_USER_ID)) && (
							<>
								<Link href={`/edit/${mii.id}`} title="Edit Mii" data-tooltip="Edit" className="aspect-square">
									<Icon icon="mdi:pencil" />
								</Link>
								<DeleteMiiButton miiId={mii.id} miiName={mii.name} likes={mii._count.likedBy ?? 0} />
							</>
						)}

						<Link href={`/report/mii/${mii.id}`} title="Report Mii" data-tooltip="Report" className="aspect-square">
							<Icon icon="material-symbols:flag-rounded" />
						</Link>
						<ScanTutorialButton />
					</div>
				</div>
			</div>

			{/* Images */}
			<div className="overflow-x-scroll">
				<div className="flex gap-2 w-max py-4">
					{images.map((src, index) => (
						<ImageViewer
							key={index}
							src={src}
							alt="mii screenshot"
							width={256}
							height={170}
							className="rounded-xl bg-zinc-300 border-2 border-zinc-300 shadow-md aspect-[3/2] h-full object-contain"
							images={images}
						/>
					))}
				</div>
			</div>
		</div>
	);
}