import { zodResolver } from "@hookform/resolvers/zod";
import { InfoIcon } from "lucide-react";
import { useEffect } from "react";
import { useForm } from "react-hook-form";
import { toast } from "sonner";
import { z } from "zod";
import { AlertBlock } from "@/components/shared/alert-block";
import { Button } from "@/components/ui/button";
import {
	Card,
	CardContent,
	CardDescription,
	CardHeader,
	CardTitle,
} from "@/components/ui/card";
import {
	Form,
	FormControl,
	FormField,
	FormItem,
	FormLabel,
	FormMessage,
} from "@/components/ui/form";
import { Input } from "@/components/ui/input";
import {
	Tooltip,
	TooltipContent,
	TooltipProvider,
	TooltipTrigger,
} from "@/components/ui/tooltip";
import { api } from "@/utils/api";

const addResourcesSchema = z.object({
	memoryReservation: z.string().optional(),
	cpuLimit: z.string().optional(),
	memoryLimit: z.string().optional(),
	cpuReservation: z.string().optional(),
});

export type ServiceType =
	| "postgres"
	| "mongo"
	| "redis"
	| "mysql"
	| "mariadb"
	| "application";

interface Props {
	id: string;
	type: ServiceType | "application";
}

type AddResources = z.infer<typeof addResourcesSchema>;
export const ShowResources = ({ id, type }: Props) => {
	const queryMap = {
		postgres: () =>
			api.postgres.one.useQuery({ postgresId: id }, { enabled: !!id }),
		redis: () => api.redis.one.useQuery({ redisId: id }, { enabled: !!id }),
		mysql: () => api.mysql.one.useQuery({ mysqlId: id }, { enabled: !!id }),
		mariadb: () =>
			api.mariadb.one.useQuery({ mariadbId: id }, { enabled: !!id }),
		application: () =>
			api.application.one.useQuery({ applicationId: id }, { enabled: !!id }),
		mongo: () => api.mongo.one.useQuery({ mongoId: id }, { enabled: !!id }),
	};
	const { data, refetch } = queryMap[type]
		? queryMap[type]()
		: api.mongo.one.useQuery({ mongoId: id }, { enabled: !!id });

	const mutationMap = {
		postgres: () => api.postgres.update.useMutation(),
		redis: () => api.redis.update.useMutation(),
		mysql: () => api.mysql.update.useMutation(),
		mariadb: () => api.mariadb.update.useMutation(),
		application: () => api.application.update.useMutation(),
		mongo: () => api.mongo.update.useMutation(),
	};

	const { mutateAsync, isLoading } = mutationMap[type]
		? mutationMap[type]()
		: api.mongo.update.useMutation();

	const form = useForm<AddResources>({
		defaultValues: {
			cpuLimit: "",
			cpuReservation: "",
			memoryLimit: "",
			memoryReservation: "",
		},
		resolver: zodResolver(addResourcesSchema),
	});

	useEffect(() => {
		if (data) {
			form.reset({
				cpuLimit: data?.cpuLimit || undefined,
				cpuReservation: data?.cpuReservation || undefined,
				memoryLimit: data?.memoryLimit || undefined,
				memoryReservation: data?.memoryReservation || undefined,
			});
		}
	}, [data, form, form.reset]);

	const onSubmit = async (formData: AddResources) => {
		await mutateAsync({
			mongoId: id || "",
			postgresId: id || "",
			redisId: id || "",
			mysqlId: id || "",
			mariadbId: id || "",
			applicationId: id || "",
			cpuLimit: formData.cpuLimit || null,
			cpuReservation: formData.cpuReservation || null,
			memoryLimit: formData.memoryLimit || null,
			memoryReservation: formData.memoryReservation || null,
		})
			.then(async () => {
				toast.success("Resources Updated");
				await refetch();
			})
			.catch(() => {
				toast.error("Error updating the resources");
			});
	};

	return (
		<Card className="bg-background">
			<CardHeader>
				<CardTitle className="text-xl">Resources</CardTitle>
				<CardDescription>
					If you want to decrease or increase the resources to a specific.
					application or database
				</CardDescription>
			</CardHeader>
			<CardContent className="flex flex-col gap-4">
				<AlertBlock type="info">
					Please remember to click Redeploy after modify the resources to apply
					the changes.
				</AlertBlock>
				<Form {...form}>
					<form
						id="hook-form"
						onSubmit={form.handleSubmit(onSubmit)}
						className="grid w-full gap-8 "
					>
						<div className="grid w-full md:grid-cols-2 gap-4">
							<FormField
								control={form.control}
								name="memoryLimit"
								render={({ field }) => {
									return (
										<FormItem>
											<div className="flex items-center gap-2">
												<FormLabel>Memory Limit</FormLabel>
												<TooltipProvider>
													<Tooltip delayDuration={0}>
														<TooltipTrigger>
															<InfoIcon className="h-4 w-4 text-muted-foreground" />
														</TooltipTrigger>
														<TooltipContent>
															<p>
																Memory hard limit in bytes. Example: 1GB =
																1073741824 bytes
															</p>
														</TooltipContent>
													</Tooltip>
												</TooltipProvider>
											</div>
											<FormControl>
												<Input
													placeholder="1073741824 (1GB in bytes)"
													{...field}
												/>
											</FormControl>
											<FormMessage />
										</FormItem>
									);
								}}
							/>
							<FormField
								control={form.control}
								name="memoryReservation"
								render={({ field }) => (
									<FormItem>
										<div className="flex items-center gap-2">
											<FormLabel>Memory Reservation</FormLabel>
											<TooltipProvider>
												<Tooltip delayDuration={0}>
													<TooltipTrigger>
														<InfoIcon className="h-4 w-4 text-muted-foreground" />
													</TooltipTrigger>
													<TooltipContent>
														<p>
															Memory soft limit in bytes. Example: 256MB =
															268435456 bytes
														</p>
													</TooltipContent>
												</Tooltip>
											</TooltipProvider>
										</div>
										<FormControl>
											<Input
												placeholder="268435456 (256MB in bytes)"
												{...field}
											/>
										</FormControl>
										<FormMessage />
									</FormItem>
								)}
							/>

							<FormField
								control={form.control}
								name="cpuLimit"
								render={({ field }) => {
									return (
										<FormItem>
											<div className="flex items-center gap-2">
												<FormLabel>CPU Limit</FormLabel>
												<TooltipProvider>
													<Tooltip delayDuration={0}>
														<TooltipTrigger>
															<InfoIcon className="h-4 w-4 text-muted-foreground" />
														</TooltipTrigger>
														<TooltipContent>
															<p>
																CPU quota in units of 10^-9 CPUs. Example: 2
																CPUs = 2000000000
															</p>
														</TooltipContent>
													</Tooltip>
												</TooltipProvider>
											</div>
											<FormControl>
												<Input
													placeholder="2000000000 (2 CPUs)"
													{...field}
													value={field.value?.toString() || ""}
												/>
											</FormControl>
											<FormMessage />
										</FormItem>
									);
								}}
							/>
							<FormField
								control={form.control}
								name="cpuReservation"
								render={({ field }) => {
									return (
										<FormItem>
											<div className="flex items-center gap-2">
												<FormLabel>CPU Reservation</FormLabel>
												<TooltipProvider>
													<Tooltip delayDuration={0}>
														<TooltipTrigger>
															<InfoIcon className="h-4 w-4 text-muted-foreground" />
														</TooltipTrigger>
														<TooltipContent>
															<p>
																CPU shares (relative weight). Example: 1 CPU =
																1000000000
															</p>
														</TooltipContent>
													</Tooltip>
												</TooltipProvider>
											</div>
											<FormControl>
												<Input placeholder="1000000000 (1 CPU)" {...field} />
											</FormControl>
											<FormMessage />
										</FormItem>
									);
								}}
							/>
						</div>
						<div className="flex w-full justify-end">
							<Button isLoading={isLoading} type="submit">
								Save
							</Button>
						</div>
					</form>
				</Form>
			</CardContent>
		</Card>
	);
};
