import { Elements, useStripe } from "@stripe/react-stripe-js";
import { loadStripe } from "@stripe/stripe-js";
import { ArrowLeft } from "lucide-react";
import type { GetServerSideProps } from "next";
import Link from "next/link";
import { useRouter } from "next/router";
import { useEffect, useState } from "react";
import PaymentStatus from "~/components/payment_status";
import { ProgressRedirect } from "~/components/progress_redirect";
import { Button, buttonVariants } from "~/components/ui/button";
import { env } from "~/env.mjs";
import { cn } from "~/lib/utils";
import { useTranslation } from "~/providers/I18nProvider";
import PaymentStatusEnum from "~/schemas/public/PaymentStatusEnum";
import { api } from "~/utils/api";

type AcquistoProcessingProps = {
	client_secret: string;
};

export const getServerSideProps = (async (context) => {
	if (
		!context.query.payment_intent_client_secret ||
		typeof context.query.payment_intent_client_secret !== "string"
	) {
		return {
			redirect: {
				destination: "/500",
				permanent: false,
				statusCode: 500,
			},
		};
	}

	return {
		props: {
			client_secret: context.query.payment_intent_client_secret,
		},
	};
}) satisfies GetServerSideProps<AcquistoProcessingProps>;

export default function AcquistoProcessing({
	client_secret,
}: AcquistoProcessingProps) {
	const { t } = useTranslation();

	const stripePromise = loadStripe(env.NEXT_PUBLIC_STRIPE_PUBLIC_KEY);

	return (
		<div className="mx-auto my-5 w-full max-w-lg space-y-8">
			<h3 className="my-8 text-center text-xl font-bold tracking-wide text-neutral-700 uppercase dark:text-white">
				{t.acquisto_elaborazione.titolo}
			</h3>

			<div>
				<Elements
					options={{
						appearance: {
							theme: "stripe",
						},
						clientSecret: client_secret,
					}}
					stripe={stripePromise}
				>
					<CompletePage secret={client_secret} />
				</Elements>
			</div>
		</div>
	);
}
const CompletePage = ({ secret }: { secret: string }) => {
	const stripe = useStripe();
	const utils = api.useUtils();
	const router = useRouter();
	const { t } = useTranslation();
	const [status, setStatus] = useState<
		"success" | "processing" | "failed" | "internal_error" | "not_found"
	>("processing");

	useEffect(() => {
		const fetchPaymentIntent = async () => {
			if (!stripe) {
				return;
			}

			try {
				const { paymentIntent } = await stripe.retrievePaymentIntent(secret);
				if (!paymentIntent) {
					setStatus("internal_error");
					return;
				}
				const payment = await utils.pagamenti.getPaymentFromIntent.fetch({
					pIntentId: paymentIntent.id,
				});

				if (!payment) {
					setStatus("not_found");
					return;
				}

				if (paymentIntent.status === "succeeded") {
					if (payment.paymentstatus !== PaymentStatusEnum.success) {
						setStatus("internal_error");
					}
					setStatus("success");
				} else if (paymentIntent.status === "processing") {
					if (payment.paymentstatus !== PaymentStatusEnum.processing) {
						setStatus("internal_error");
					}
					setStatus("processing");
				} else {
					setStatus("failed");
				}
			} catch (error) {
				console.error("Error retrieving payment intent:", error);
			}
		};
		void fetchPaymentIntent();
	}, [stripe, secret]);

	if (!status) {
		return null;
	}

	return (
		<div className="space-y-4 p-4">
			{status === "success" && (
				<>
					<PaymentStatus
						message={t.acquisto_elaborazione.success_desc}
						status="success"
						title={t.acquisto_elaborazione.success_title}
					/>

					<ProgressRedirect href="/area-riservata/dashboard" />
				</>
			)}
			{status === "processing" && (
				<>
					<PaymentStatus
						message={t.acquisto_elaborazione.processing_desc}
						status="processing"
						title={t.acquisto_elaborazione.processing_title}
					/>
					<Link
						className={cn("w-full", buttonVariants({ variant: "info" }))}
						href="/area-riservata/dashboard"
					>
						{t.acquisto_elaborazione.to_dashboard}
					</Link>
				</>
			)}
			{status === "failed" && (
				<>
					<PaymentStatus
						message={t.acquisto_elaborazione.failed_desc}
						status="error"
						title={t.acquisto_elaborazione.failed_title}
					/>
					<Link
						className={cn("w-full", buttonVariants({ variant: "default" }))}
						href="/area-riservata/chat"
					>
						{t.acquisto_elaborazione.to_chat}
					</Link>
				</>
			)}
			{status === "internal_error" && (
				<>
					<PaymentStatus
						message={t.acquisto_elaborazione.internal_error_desc}
						status="error"
						title={t.acquisto_elaborazione.internal_error_title}
					/>
					<Link
						className={cn("w-full", buttonVariants({ variant: "default" }))}
						href="/area-riservata/chat"
					>
						{t.acquisto_elaborazione.to_chat}
					</Link>
				</>
			)}
			{status === "not_found" && (
				<>
					<PaymentStatus
						message={t.acquisto_elaborazione.not_found_desc}
						status="error"
						title={t.acquisto_elaborazione.not_found_title}
					/>
					<Button
						className="w-full"
						onClick={() => router.back()}
						variant="secondary"
					>
						<ArrowLeft />
						{t.indietro}
					</Button>
					<Link
						className={cn("w-full", buttonVariants({ variant: "default" }))}
						href="/area-riservata/chat"
					>
						{t.acquisto_elaborazione.to_chat}
					</Link>
				</>
			)}
		</div>
	);
};