"use client"

import { useState, useEffect } from "react"
import { useQueryState } from "nuqs"
import { cn } from "@lib/utils"
import { dmSansClassName } from "@/lib/fonts"
import { Button } from "@ui/components/button"
import { MCPDetailView } from "@/components/mcp-modal/mcp-detail-view"
import { XBookmarksDetailView } from "@/components/onboarding/x-bookmarks-detail-view"
import { ChromeDetail } from "@/components/integrations/chrome-detail"
import { ShortcutsDetail } from "@/components/integrations/shortcuts-detail"
import { RaycastDetail } from "@/components/integrations/raycast-detail"
import { ConnectionsDetail } from "@/components/integrations/connections-detail"
import { PluginsDetail } from "@/components/integrations/plugins-detail"
import {
	ChromeIcon,
	AppleShortcutsIcon,
	RaycastIcon,
} from "@/components/integration-icons"
import { GoogleDrive, Notion, OneDrive } from "@ui/assets/icons"
import { ArrowLeft, Sun } from "lucide-react"
import {
	integrationParam,
	pluginsPanelParam,
	type IntegrationParamValue,
} from "@/lib/search-params"
import Image from "next/image"

type CardId =
	| "mcp"
	| "chrome"
	| "connections"
	| "shortcuts"
	| "raycast"
	| "import"
	| "plugins"

interface IntegrationCardDef {
	id: CardId
	title: string
	description: string
	icon: React.ReactNode
	pro?: boolean
}

const cards: IntegrationCardDef[] = [
	{
		id: "plugins",
		title: "Plugins",
		description:
			"Hermes on every plan; Claude Code, OpenCode, OpenClaw, and more with Pro",
		icon: (
			<div className="flex items-center -space-x-1.5">
				<Image
					src="/images/plugins/claude-code.svg"
					alt="Claude Code"
					width={24}
					height={24}
					className="size-6 rounded"
				/>
				<Image
					src="/images/plugins/opencode.svg"
					alt="OpenCode"
					width={24}
					height={24}
					className="size-6 rounded"
				/>
				<Image
					src="/images/plugins/openclaw.svg"
					alt="OpenClaw"
					width={24}
					height={24}
					className="size-6 rounded"
				/>
				<Image
					src="/images/plugins/hermes.svg"
					alt="Hermes"
					width={24}
					height={24}
					className="size-6 rounded"
				/>
			</div>
		),
	},
	{
		id: "connections",
		title: "Connections",
		description: "Link Notion, Google Drive, or OneDrive to import your docs",
		pro: true,
		icon: (
			<div className="flex items-center -space-x-1">
				<GoogleDrive className="size-5" />
				<Notion className="size-5" />
				<OneDrive className="size-5" />
			</div>
		),
	},
	{
		id: "mcp",
		title: "Connect to AI",
		description: "Set up MCP to use your memory in Cursor, Claude, and more",
		icon: (
			<img src="/onboarding/mcp.png" alt="MCP" className="size-20 h-auto" />
		),
	},
	{
		id: "chrome",
		title: "Chrome Extension",
		description: "Save any webpage, import bookmarks, sync ChatGPT memories",
		icon: <ChromeIcon className="size-14" />,
	},
	{
		id: "shortcuts",
		title: "Apple Shortcuts",
		description: "Add memories directly from iPhone, iPad or Mac",
		icon: <AppleShortcutsIcon />,
	},
	{
		id: "raycast",
		title: "Raycast",
		description: "Add and search memories from Raycast on Mac",
		icon: <RaycastIcon className="size-10" />,
	},
	{
		id: "import",
		title: "Import Bookmarks",
		description: "Bring in X/Twitter bookmarks and turn them into memories",
		icon: <img src="/onboarding/x.png" alt="X" className="size-10" />,
	},
]

function DetailWrapper({
	onBack,
	children,
}: {
	onBack: () => void
	children: React.ReactNode
}) {
	return (
		<div className="flex-1 p-4 md:p-6 pt-2">
			<div className="max-w-3xl mx-auto">
				<Button
					variant="link"
					className="text-white hover:text-gray-300 p-0 hover:no-underline cursor-pointer mb-4"
					onClick={onBack}
				>
					<ArrowLeft className="size-4 mr-1" />
					Back to Integrations
				</Button>
				{children}
			</div>
		</div>
	)
}

const INTEGRATION_TO_CARD: Record<IntegrationParamValue, CardId> = {
	import: "import",
	chrome: "chrome",
	connections: "connections",
}

export function IntegrationsView() {
	const [integration, setIntegration] = useQueryState(
		"integration",
		integrationParam,
	)
	const [pluginsPanel, setPluginsPanel] = useQueryState(
		"plugins",
		pluginsPanelParam,
	)
	const [selectedCard, setSelectedCard] = useState<CardId | null>(null)

	useEffect(() => {
		if (pluginsPanel === true) {
			setSelectedCard("plugins")
			return
		}
		if (integration && INTEGRATION_TO_CARD[integration]) {
			setSelectedCard(INTEGRATION_TO_CARD[integration])
		}
	}, [integration, pluginsPanel])

	const handleBack = () => {
		setSelectedCard(null)
		setIntegration(null)
		void setPluginsPanel(null)
	}

	switch (selectedCard) {
		case "mcp":
			return <MCPDetailView onBack={handleBack} />
		case "import":
			return <XBookmarksDetailView onBack={handleBack} />
		case "chrome":
			return (
				<DetailWrapper onBack={handleBack}>
					<ChromeDetail />
				</DetailWrapper>
			)
		case "shortcuts":
			return (
				<DetailWrapper onBack={handleBack}>
					<ShortcutsDetail />
				</DetailWrapper>
			)
		case "raycast":
			return (
				<DetailWrapper onBack={handleBack}>
					<RaycastDetail />
				</DetailWrapper>
			)
		case "connections":
			return (
				<DetailWrapper onBack={handleBack}>
					<ConnectionsDetail />
				</DetailWrapper>
			)
		case "plugins":
			return (
				<DetailWrapper onBack={handleBack}>
					<PluginsDetail />
				</DetailWrapper>
			)
	}

	return (
		<div className="flex-1 p-4 md:p-6 pt-2">
			<div className="max-w-3xl mx-auto">
				<div className="mb-6 space-y-1">
					<div className="flex items-center gap-2">
						<Sun className="size-5 text-white" />
						<h2 className="text-white text-xl font-medium">Integrations</h2>
					</div>
					<p className={cn("text-[#8B8B8B] text-sm", dmSansClassName())}>
						Connect supermemory to your tools and workflows
					</p>
				</div>

				<div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-3">
					{cards.map((card) => (
						<button
							key={card.id}
							type="button"
							onClick={() => setSelectedCard(card.id)}
							className={cn(
								"bg-[#080B0F] relative rounded-xl p-4 pt-14",
								"border border-[#0D121A]",
								"hover:border-[#3374FF]/50",
								"transition-all duration-300 cursor-pointer text-left w-full",
								"hover:bg-[url('/onboarding/bg-gradient-1.png')] hover:bg-[length:200%_auto] hover:bg-[center_top_1rem] hover:bg-no-repeat",
								"group",
							)}
						>
							{card.pro && (
								<span className="absolute top-3 left-3 bg-[#4BA0FA] text-[#00171A] text-[10px] font-bold tracking-[0.3px] px-1.5 py-0.5 rounded-[3px]">
									PRO
								</span>
							)}
							<div className="absolute top-2 right-2 opacity-60 group-hover:opacity-100 transition-opacity">
								{card.icon}
							</div>
							<div className="flex-1">
								<h3 className="text-white text-sm font-medium">{card.title}</h3>
								<p
									className={cn(
										"text-[#8B8B8B] text-xs leading-relaxed mt-0.5",
										dmSansClassName(),
									)}
								>
									{card.description}
								</p>
							</div>
						</button>
					))}
				</div>
			</div>
		</div>
	)
}