import { Button } from "@/components/ui/button"
import {
	Dialog,
	DialogContent,
	DialogDescription,
	DialogFooter,
	DialogHeader,
	DialogTitle,
	DialogTrigger,
} from "@/components/ui/dialog"
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip"

import { Input } from "@/components/ui/input"
import { Label } from "@/components/ui/label"
import { $publicKey, pb } from "@/lib/stores"
import { cn, copyToClipboard, isReadOnlyUser } from "@/lib/utils"
import { i18n } from "@lingui/core"
import { t, Trans } from "@lingui/macro"
import { useStore } from "@nanostores/react"
import { ChevronDownIcon, Copy, PlusIcon } from "lucide-react"
import { memo, MutableRefObject, useRef, useState } from "react"
import { basePath, navigate } from "./router"
import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "./ui/dropdown-menu"
import { SystemRecord } from "@/types"

export function AddSystemButton({ className }: { className?: string }) {
	const [open, setOpen] = useState(false)
	let opened = useRef(false)
	if (open) {
		opened.current = true
	}

	return (
		<Dialog open={open} onOpenChange={setOpen}>
			<DialogTrigger asChild>
				<Button
					variant="outline"
					className={cn("flex gap-1 max-xs:h-[2.4rem]", className, isReadOnlyUser() && "hidden")}
				>
					<PlusIcon className="h-4 w-4 -ms-1" />
					<Trans>
						Add <span className="hidden sm:inline">System</span>
					</Trans>
				</Button>
			</DialogTrigger>
			{opened.current && <SystemDialog setOpen={setOpen} />}
		</Dialog>
	)
}

/**
 * SystemDialog component for adding or editing a system.
 * @param {Object} props - The component props.
 * @param {function} props.setOpen - Function to set the open state of the dialog.
 * @param {SystemRecord} [props.system] - Optional system record for editing an existing system.
 */
export const SystemDialog = memo(({ setOpen, system }: { setOpen: (open: boolean) => void; system?: SystemRecord }) => {
	const port = useRef() as MutableRefObject<HTMLInputElement>
	const publicKey = useStore($publicKey)

	function copyDockerCompose(port: string) {
		copyToClipboard(`services:
  beszel-agent:
    image: "henrygd/beszel-agent"
    container_name: "beszel-agent"
    restart: unless-stopped
    network_mode: host
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      # monitor other disks / partitions by mounting a folder in /extra-filesystems
      # - /mnt/disk/.beszel:/extra-filesystems/sda1:ro
    environment:
      PORT: ${port}
      KEY: "${publicKey}"`)
	}

	function copyDockerRun(port: string) {
		copyToClipboard(
			`docker run -d --name beszel-agent --network host --restart unless-stopped -v /var/run/docker.sock:/var/run/docker.sock:ro -e KEY="${publicKey}" -e PORT=${port} henrygd/beszel-agent:latest`
		)
	}

	function copyInstallCommand(port: string) {
		let cmd = `curl -sL https://raw.githubusercontent.com/henrygd/beszel/main/supplemental/scripts/install-agent.sh -o install-agent.sh && chmod +x install-agent.sh && ./install-agent.sh -p ${port} -k "${publicKey}"`
		// add china mirrors flag if zh-CN
		if ((i18n.locale + navigator.language).includes("zh-CN")) {
			cmd += ` --china-mirrors`
		}
		copyToClipboard(cmd)
	}

	async function handleSubmit(e: SubmitEvent) {
		e.preventDefault()
		const formData = new FormData(e.target as HTMLFormElement)
		const data = Object.fromEntries(formData) as Record<string, any>
		data.users = pb.authStore.record!.id
		try {
			setOpen(false)
			if (system) {
				await pb.collection("systems").update(system.id, { ...data, status: "pending" })
			} else {
				await pb.collection("systems").create(data)
			}
			navigate(basePath)
			// console.log(record)
		} catch (e) {
			console.log(e)
		}
	}

	return (
		<DialogContent className="w-[90%] sm:w-auto sm:ns-dialog max-w-full rounded-lg">
			<Tabs defaultValue="docker">
				<DialogHeader>
					<DialogTitle className="mb-2">
						{system ? `${t`Edit`} ${system?.name}` : <Trans>Add New System</Trans>}
					</DialogTitle>
					<TabsList className="grid w-full grid-cols-2">
						<TabsTrigger value="docker">Docker</TabsTrigger>
						<TabsTrigger value="binary">
							<Trans>Binary</Trans>
						</TabsTrigger>
					</TabsList>
				</DialogHeader>
				{/* Docker (set tab index to prevent auto focusing content in edit system dialog) */}
				<TabsContent value="docker" tabIndex={-1}>
					<DialogDescription className="mb-4 leading-normal w-0 min-w-full">
						<Trans>
							The agent must be running on the system to connect. Copy the
							<code className="bg-muted px-1 rounded-sm leading-3">docker-compose.yml</code> for the agent below.
						</Trans>
					</DialogDescription>
				</TabsContent>
				{/* Binary */}
				<TabsContent value="binary">
					<DialogDescription className="mb-4 leading-normal w-0 min-w-full">
						<Trans>
							The agent must be running on the system to connect. Copy the installation command for the agent below.
						</Trans>
					</DialogDescription>
				</TabsContent>
				<form onSubmit={handleSubmit as any}>
					<div className="grid xs:grid-cols-[auto_1fr] gap-y-3 gap-x-4 items-center mt-1 mb-4">
						<Label htmlFor="name" className="xs:text-end">
							<Trans>Name</Trans>
						</Label>
						<Input id="name" name="name" defaultValue={system?.name} required />
						<Label htmlFor="host" className="xs:text-end">
							<Trans>Host / IP</Trans>
						</Label>
						<Input id="host" name="host" defaultValue={system?.host} required />
						<Label htmlFor="port" className="xs:text-end">
							<Trans>Port</Trans>
						</Label>
						<Input ref={port} name="port" id="port" defaultValue={system?.port || "45876"} required />
						<Label htmlFor="pkey" className="xs:text-end whitespace-pre">
							<Trans comment="Use 'Key' if your language requires many more characters">Public Key</Trans>
						</Label>
						<div className="relative">
							<Input readOnly id="pkey" value={publicKey} required></Input>
							<div
								className={
									"h-6 w-24 bg-gradient-to-r rtl:bg-gradient-to-l from-transparent to-background to-65% absolute top-2 end-1 pointer-events-none"
								}
							></div>
							<TooltipProvider delayDuration={100}>
								<Tooltip>
									<TooltipTrigger asChild>
										<Button
											type="button"
											variant={"link"}
											className="absolute end-0 top-0"
											onClick={() => copyToClipboard(publicKey)}
										>
											<Copy className="h-4 w-4 " />
										</Button>
									</TooltipTrigger>
									<TooltipContent>
										<p>
											<Trans>Click to copy</Trans>
										</p>
									</TooltipContent>
								</Tooltip>
							</TooltipProvider>
						</div>
					</div>
					<DialogFooter className="flex justify-end gap-x-2 gap-y-3 flex-col mt-5">
						{/* Docker */}
						<TabsContent value="docker" className="contents">
							<div className="flex gap-0 rounded-lg">
								<Button
									type="button"
									variant="outline"
									onClick={() => copyDockerCompose(port.current.value)}
									className="rounded-e-none dark:border-e-0 grow"
								>
									<Trans>Copy</Trans> docker compose
								</Button>
								<div className="w-px h-full bg-muted"></div>
								<DropdownMenu>
									<DropdownMenuTrigger asChild>
										<Button variant="outline" className={"px-2 rounded-s-none border-s-0"}>
											<ChevronDownIcon />
										</Button>
									</DropdownMenuTrigger>
									<DropdownMenuContent align="end">
										<DropdownMenuItem onClick={() => copyDockerRun(port.current.value)}>
											<Trans>Copy</Trans> docker run
										</DropdownMenuItem>
									</DropdownMenuContent>
								</DropdownMenu>
							</div>
						</TabsContent>
						{/* Binary */}
						<TabsContent value="binary" className="contents">
							<Button type="button" variant="outline" onClick={() => copyInstallCommand(port.current.value)}>
								<Trans>Copy Linux command</Trans>
							</Button>
						</TabsContent>
						{/* Save */}
						<Button>{system ? <Trans>Save system</Trans> : <Trans>Add system</Trans>}</Button>
					</DialogFooter>
				</form>
			</Tabs>
		</DialogContent>
	)
})