import { ExternalLink } from "lucide-react";
import Link from "next/link";
import { useEffect, useState } from "react";
import { AnimatedNumber } from "~/components/custom_ui/animated-number";
import { LoadingPage } from "~/components/loading";
import { Button } from "~/components/ui/button";
import {
	Card,
	CardContent,
	CardDescription,
	CardHeader,
	CardTitle,
} from "~/components/ui/card";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "~/components/ui/tabs";
import { cn } from "~/lib/utils";
import { useTranslation } from "~/providers/I18nProvider";
import TipologiaPosizioneEnum from "~/schemas/public/TipologiaPosizioneEnum";
import { api } from "~/utils/api";

export const PricingChoice = () => {
	const { t } = useTranslation();
	const { data: prezziario, isLoading } =
		api.prezziario.getPrezziPerTipologiaAll.useQuery();
	if (isLoading) return <LoadingPage />;
	if (!prezziario) return null;

	const pricingBreve = prezziario.transitorio.saldi.map((s) => ({
		downPayment: prezziario.transitorio.acconto.prezzo_cent / 100,
		secondPayment: s.prezzo_cent / 100,
	}));

	const pricingStabile = prezziario.stabile.saldi.map((s) => ({
		downPayment: prezziario.stabile.acconto.prezzo_cent / 100,
		secondPayment: s.prezzo_cent / 100,
	}));

	return (
		<div className="flex flex-col items-center justify-center gap-4">
			<h2 className="font-semibold text-3xl">Scegli il tuo servizio</h2>
			<Tabs className="mb-2 w-full max-w-xl" defaultValue="transitorio">
				<TabsList className="flex h-auto w-full items-center justify-between gap-1 p-1">
					<TabsTrigger
						className="w-full cursor-pointer border-0 bg-transitorio px-2 text-xl sm:px-3 dark:border-0 dark:text-fxd-foreground [&[data-state=active]]:border-0 [&[data-state=active]]:bg-transitorio dark:[&[data-state=active]]:border-0 dark:[&[data-state=active]]:bg-transitorio dark:[&[data-state=active]]:text-fxd-foreground"
						value="transitorio"
					>
						Transitorio
					</TabsTrigger>
					<TabsTrigger
						className="w-full cursor-pointer border-0 bg-stabile px-2 text-xl sm:px-3 dark:border-0 dark:text-fxd-foreground [&[data-state=active]]:border-0 [&[data-state=active]]:bg-stabile dark:[&[data-state=active]]:border-0 dark:[&[data-state=active]]:bg-stabile dark:[&[data-state=active]]:text-fxd-foreground"
						value="stabile"
					>
						Stabile
					</TabsTrigger>
				</TabsList>
				<TabsContent className="w-full" value="transitorio">
					<PricingComponent
						className="border-transitorio bg-transitorio text-fxd-foreground"
						cta={t.pricing_cmp.cta_breve}
						opzioni={[
							t.pricing_cmp.breve_option1,
							t.pricing_cmp.breve_option2,
							t.pricing_cmp.breve_option3,
							t.pricing_cmp.breve_option4,
							t.pricing_cmp.breve_option5,
						]}
						pricingData={pricingBreve}
						tipo={TipologiaPosizioneEnum.Transitorio}
						title={t.prezzi.titolo_transitori}
					/>
				</TabsContent>
				<TabsContent value="stabile">
					<PricingComponent
						className="border-stabile bg-stabile text-fxd-foreground"
						cta={t.pricing_cmp.cta_stabile}
						opzioni={[
							t.pricing_cmp.stabile_option1,
							t.pricing_cmp.stabile_option2,
						]}
						pricingData={pricingStabile}
						tipo={TipologiaPosizioneEnum.Stabile}
						title={t.prezzi.titolo_stabile}
					/>
				</TabsContent>
			</Tabs>

			<Link aria-label="Link to pricing page" href="/prezzi">
				<Button className="flex h-12 flex-row gap-2 px-6 py-4 text-2xl hover:underline">
					<span>Scopri di più sui prezzi</span>
					<ExternalLink className="size-5" />
				</Button>
			</Link>
		</div>
	);
};

type PricingData = { downPayment: number; secondPayment: number }[];

export const PricingComponent = ({
	pricingData,
	opzioni,
	cta,
	statico = false,
	className,
	title,
	tipo,
}: {
	pricingData: PricingData;
	opzioni: string[];
	title: string;
	cta: string;
	statico?: boolean;
	className?: string;
	tipo: TipologiaPosizioneEnum;
}) => {
	const { t } = useTranslation();
	const [Value, setValue] = useState<number>(0);
	const p = pricingData[Value];
	const downPayment = p?.downPayment || 0;
	const secondPayment = p?.secondPayment || 0;

	const customFormat = (num: number) => `${num}€`;

	const [intervalId, setIntervalId] = useState<NodeJS.Timeout | null>(null);
	useEffect(() => {
		if (statico) return;
		const interval = setInterval(() => {
			setValue((prevValue) => (prevValue + 1) % pricingData.length);
		}, 2500);
		setIntervalId(interval);

		return () => clearInterval(interval);
	}, []);

	const ClearCarousel = () => {
		if (intervalId) {
			clearInterval(intervalId);
		}
	};

	return (
		<Card className={cn("w-full max-w-xl gap-4 py-4", className)}>
			<CardHeader className="py-2">
				<CardTitle className="pt-1 text-center font-semibold text-3xl">
					{title}
				</CardTitle>
				<CardDescription className="sr-only">
					Prezzo del servizio
				</CardDescription>
			</CardHeader>
			<CardContent className="flex w-full flex-col items-center justify-center gap-4 p-0 px-2 xs:px-6 py-0 text-fxd-foreground sm:gap-6 sm:py-4">
				<div
					className="flex w-full items-center justify-center gap-0 xs:gap-x-4 xs:gap-y-1"
					data-role="wrapper"
				>
					<div className="flex w-2/5 xs:w-1/3 flex-col items-center gap-2">
						<h2 className="font-semibold text-2xl" data-role="title">
							{t.acconto}
						</h2>
						<p
							className="font-semibold text-2xl xs:text-3xl sm:text-6xl"
							data-role="amount"
						>
							{downPayment}€
						</p>
					</div>

					<div className="flex w-2/5 xs:w-1/3 flex-col items-center gap-2 text-center">
						<h2 className="font-semibold text-2xl" data-role="title">
							{t.saldo}
						</h2>
						<p
							className="font-semibold text-2xl xs:text-3xl sm:text-6xl"
							data-role="amount"
						>
							<AnimatedNumber
								format={customFormat}
								precision={secondPayment % 1 === 0 ? 0 : 2}
								value={secondPayment}
							/>
						</p>
					</div>

					<div className="flex w-2/5 xs:w-1/3 flex-col items-center gap-2 text-center">
						<h2 className="font-semibold text-2xl" data-role="title">
							Contratto
						</h2>

						{tipo === TipologiaPosizioneEnum.Transitorio ? (
							<div className="flex flex-col justify-center leading-none">
								<span
									className="font-semibold text-2xl xs:text-3xl sm:text-6xl"
									data-role="amount"
								>
									0 €
								</span>
							</div>
						) : (
							<Link
								className="flex h-8 xs:h-10 flex-col justify-center leading-none sm:h-15"
								href={"/prezzi#contratti"}
								id="contratto-link"
							>
								<Button>
									Più info <ExternalLink className="size-4" />
								</Button>
							</Link>
						)}
					</div>
				</div>
				<div className="flex w-full flex-wrap items-center justify-center gap-2">
					{opzioni.map((opzione, idx) => (
						<Button
							className={cn(
								"h-9 xs:h-10 rounded-md border-none px-3 xs:px-4 xs:py-2",
								idx === Value ? "fade-in-0 animate-in" : "",
							)}
							key={opzione}
							onClick={() => {
								ClearCarousel();
								setValue(idx);
							}}
							size="default"
							variant={idx === Value ? "default" : "outline"}
						>
							{opzione}
						</Button>
					))}
				</div>
				<h2 className="text-center font-semibold text-white text-xl">{cta}</h2>
			</CardContent>
		</Card>
	);
};

export const PricingComponentConsulenza = ({
	pricingData,
	opzioni,
	cta,
	statico = false,
	className,
	title,
}: {
	pricingData: number[];
	opzioni: string[];
	title: string;
	cta: string;
	statico?: boolean;
	className?: string;
}) => {
	const [Value, setValue] = useState<number>(0);
	const p = pricingData[Value];

	const customFormat = (num: number) => `${num}€`;

	const [intervalId, setIntervalId] = useState<NodeJS.Timeout | null>(null);
	useEffect(() => {
		if (statico) return;
		const interval = setInterval(() => {
			setValue((prevValue) => (prevValue + 1) % pricingData.length);
		}, 2500);
		setIntervalId(interval);

		return () => clearInterval(interval);
	}, []);

	const ClearCarousel = () => {
		if (intervalId) {
			clearInterval(intervalId);
		}
	};

	return (
		<Card className={cn("w-full max-w-xl", className)}>
			<CardHeader className="p-3 px-5">
				<CardTitle className="pt-1 text-center font-semibold text-3xl">
					{title}
				</CardTitle>
				<CardDescription className="sr-only">
					Prezzo del servizio
				</CardDescription>
			</CardHeader>
			<CardContent className="flex flex-col items-center justify-center gap-8 p-0 px-2 xs:px-6 pt-4 pb-4">
				<div className="flex w-full items-center justify-center gap-0 xs:gap-4">
					<div className="flex flex-col items-center gap-2">
						<p className="font-semibold text-3xl xs:text-6xl">
							<AnimatedNumber format={customFormat} value={p || 0} />
						</p>
					</div>
				</div>
				<div className="flex w-full flex-wrap items-center justify-center gap-2">
					{opzioni.map((opzione, idx) => (
						<Button
							className={cn(
								"h-9 xs:h-10 rounded-md border-none px-3 xs:px-4 xs:py-2",
								idx === Value ? "fade-in-0 animate-in" : "",
							)}
							key={opzione}
							onClick={() => {
								ClearCarousel();
								setValue(idx);
							}}
							size="default"
							variant={idx === Value ? "default" : "outline"}
						>
							{opzione}
						</Button>
					))}
				</div>
				<h2 className="text-center font-semibold text-white text-xl">{cta}</h2>
			</CardContent>
		</Card>
	);
};