import type { VariantProps } from "class-variance-authority";
import { mergeProps } from "@base-ui/react/merge-props";
import { useRender } from "@base-ui/react/use-render";
import { SidebarIcon } from "@phosphor-icons/react";
import { cva } from "class-variance-authority";
import * as React from "react";
import { Button } from "@reactive-resume/ui/components/button";
import { Input } from "@reactive-resume/ui/components/input";
import { Separator } from "@reactive-resume/ui/components/separator";
import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle } from "@reactive-resume/ui/components/sheet";
import { Skeleton } from "@reactive-resume/ui/components/skeleton";
import { Tooltip, TooltipContent, TooltipTrigger } from "@reactive-resume/ui/components/tooltip";
import { useIsMobile } from "@reactive-resume/ui/hooks/use-mobile";
import { cn } from "@reactive-resume/utils/style";

const SIDEBAR_COOKIE_NAME = "sidebar_state";
const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7;
const SIDEBAR_WIDTH = "18rem";
const SIDEBAR_WIDTH_MOBILE = "20rem";
const SIDEBAR_WIDTH_ICON = "3rem";
const SIDEBAR_KEYBOARD_SHORTCUT = "b";

type SidebarContextProps = {
	state: "expanded" | "collapsed";
	open: boolean;
	setOpen: (open: boolean) => void;
	openMobile: boolean;
	setOpenMobile: (open: boolean) => void;
	isMobile: boolean;
	toggleSidebar: () => void;
};

const SidebarContext = React.createContext<SidebarContextProps | null>(null);

function useSidebarState() {
	const context = React.use(SidebarContext);

	if (!context) {
		throw new Error("useSidebarState must be used within a SidebarProvider.");
	}

	return context;
}

function SidebarProvider({
	defaultOpen = true,
	open: openProp,
	onOpenChange: setOpenProp,
	className,
	style,
	children,
	...props
}: React.ComponentProps<"div"> & {
	defaultOpen?: boolean;
	open?: boolean;
	onOpenChange?: (open: boolean) => void;
}) {
	const isMobile = useIsMobile();
	const [openMobile, setOpenMobile] = React.useState(false);

	// This is the internal state of the sidebar.
	// We use openProp and setOpenProp for control from outside the component.
	const [_open, _setOpen] = React.useReducer((_state: boolean, nextOpen: boolean) => nextOpen, defaultOpen);
	const open = openProp ?? _open;
	const setOpen = React.useCallback(
		(value: boolean | ((value: boolean) => boolean)) => {
			const openState = typeof value === "function" ? value(open) : value;
			if (setOpenProp) {
				setOpenProp(openState);
			} else {
				_setOpen(openState);
			}

			// This sets the cookie to keep the sidebar state using the Cookie Store API.
			if ("cookieStore" in window) {
				window.cookieStore.set({
					name: SIDEBAR_COOKIE_NAME,
					value: String(openState),
					expires: Date.now() + SIDEBAR_COOKIE_MAX_AGE * 1000,
					path: "/",
				});
			} else {
				// biome-ignore lint/suspicious/noDocumentCookie: only use if cookieStore is not available
				document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`;
			}
		},
		[setOpenProp, open],
	);

	// Helper to toggle the sidebar.
	const toggleSidebar = React.useCallback(() => {
		return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open);
	}, [isMobile, setOpen]);

	// Adds a keyboard shortcut to toggle the sidebar.
	React.useEffect(() => {
		const handleKeyDown = (event: KeyboardEvent) => {
			if (event.key === SIDEBAR_KEYBOARD_SHORTCUT && (event.metaKey || event.ctrlKey)) {
				event.preventDefault();
				toggleSidebar();
			}
		};

		window.addEventListener("keydown", handleKeyDown);
		return () => window.removeEventListener("keydown", handleKeyDown);
	}, [toggleSidebar]);

	// We add a state so that we can do data-state="expanded" or "collapsed".
	// This makes it easier to style the sidebar with Tailwind classes.
	const state = open ? "expanded" : "collapsed";

	const contextValue = React.useMemo<SidebarContextProps>(
		() => ({
			state,
			open,
			setOpen,
			isMobile,
			openMobile,
			setOpenMobile,
			toggleSidebar,
		}),
		[state, open, setOpen, isMobile, openMobile, toggleSidebar],
	);

	return (
		<SidebarContext.Provider value={contextValue}>
			<div
				data-slot="sidebar-wrapper"
				style={
					{
						"--sidebar-width": SIDEBAR_WIDTH,
						"--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
						...style,
					} as React.CSSProperties
				}
				className={cn("group/sidebar-wrapper flex min-h-svh w-full has-data-[variant=inset]:bg-sidebar", className)}
				{...props}
			>
				{children}
			</div>
		</SidebarContext.Provider>
	);
}

function Sidebar({
	side = "left",
	variant = "sidebar",
	collapsible = "offcanvas",
	className,
	children,
	dir,
	...props
}: React.ComponentProps<"div"> & {
	side?: "left" | "right";
	variant?: "sidebar" | "floating" | "inset";
	collapsible?: "offcanvas" | "icon" | "none";
}) {
	const { isMobile, state, openMobile, setOpenMobile } = useSidebarState();

	if (collapsible === "none") {
		return (
			<div
				data-slot="sidebar"
				className={cn("flex h-full w-(--sidebar-width) flex-col bg-sidebar text-sidebar-foreground", className)}
				{...props}
			>
				{children}
			</div>
		);
	}

	if (isMobile) {
		return (
			<Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
				<SheetContent
					dir={dir}
					data-sidebar="sidebar"
					data-slot="sidebar"
					data-mobile="true"
					className="w-(--sidebar-width) bg-sidebar p-0 text-sidebar-foreground [&>button]:hidden"
					style={
						{
							"--sidebar-width": SIDEBAR_WIDTH_MOBILE,
						} as React.CSSProperties
					}
					side={side}
				>
					<SheetHeader className="sr-only">
						<SheetTitle>Sidebar</SheetTitle>
						<SheetDescription>Displays the mobile sidebar.</SheetDescription>
					</SheetHeader>
					<div className="flex h-full w-full flex-col">{children}</div>
				</SheetContent>
			</Sheet>
		);
	}

	return (
		<div
			className="group peer hidden text-sidebar-foreground md:block"
			data-state={state}
			data-collapsible={state === "collapsed" ? collapsible : ""}
			data-variant={variant}
			data-side={side}
			data-slot="sidebar"
		>
			{/* This is what handles the sidebar gap on desktop */}
			<div
				data-slot="sidebar-gap"
				className={cn(
					"relative w-(--sidebar-width) bg-transparent transition-[width] duration-200 ease-linear",
					"group-data-[collapsible=offcanvas]:w-0",
					"group-data-[side=right]:rotate-180",
					variant === "floating" || variant === "inset"
						? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4)))]"
						: "group-data-[collapsible=icon]:w-(--sidebar-width-icon)",
				)}
			/>
			<div
				data-slot="sidebar-container"
				data-side={side}
				className={cn(
					"fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-200 ease-linear data-[side=right]:right-0 data-[side=left]:left-0 data-[side=right]:group-data-[collapsible=offcanvas]:-right-(--sidebar-width) data-[side=left]:group-data-[collapsible=offcanvas]:-left-(--sidebar-width) md:flex",
					// Adjust the padding for floating and inset variants.
					variant === "floating" || variant === "inset"
						? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)+(--spacing(4))+2px)]"
						: "group-data-[collapsible=icon]:w-(--sidebar-width-icon) group-data-[side=right]:border-s group-data-[side=left]:border-e",
					className,
				)}
				{...props}
			>
				<div
					data-sidebar="sidebar"
					data-slot="sidebar-inner"
					className="flex size-full flex-col bg-sidebar group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:shadow-sm group-data-[variant=floating]:ring-1 group-data-[variant=floating]:ring-sidebar-border"
				>
					{children}
				</div>
			</div>
		</div>
	);
}

function SidebarTrigger({ className, onClick, ...props }: React.ComponentProps<typeof Button>) {
	const { toggleSidebar } = useSidebarState();

	return (
		<Button
			data-sidebar="trigger"
			data-slot="sidebar-trigger"
			variant="ghost"
			size="icon-sm"
			className={cn(className)}
			onClick={(event) => {
				onClick?.(event);
				toggleSidebar();
			}}
			{...props}
		>
			<SidebarIcon className="rtl:rotate-180" />
			<span className="sr-only">Toggle Sidebar</span>
		</Button>
	);
}

function SidebarRail({ className, ...props }: React.ComponentProps<"button">) {
	const { toggleSidebar } = useSidebarState();

	return (
		<button
			type="button"
			data-sidebar="rail"
			data-slot="sidebar-rail"
			aria-label="Toggle Sidebar"
			tabIndex={-1}
			onClick={toggleSidebar}
			title="Toggle Sidebar"
			className={cn(
				"absolute inset-y-0 z-20 hidden w-4 transition-all ease-linear after:absolute after:inset-s-1/2 after:inset-y-0 after:w-[2px] hover:after:bg-sidebar-border group-data-[side=left]:-right-4 group-data-[side=right]:left-0 sm:flex ltr:-translate-x-1/2 rtl:-translate-x-1/2",
				"in-data-[side=left]:cursor-w-resize in-data-[side=right]:cursor-e-resize rtl:in-data-[side=left]:cursor-e-resize rtl:in-data-[side=right]:cursor-w-resize",
				"[[data-side=left][data-state=collapsed]_&]:cursor-e-resize rtl:[[data-side=left][data-state=collapsed]_&]:cursor-w-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize rtl:[[data-side=right][data-state=collapsed]_&]:cursor-e-resize",
				"group-data-[collapsible=offcanvas]:translate-x-0 hover:group-data-[collapsible=offcanvas]:bg-sidebar group-data-[collapsible=offcanvas]:after:inset-s-full rtl:group-data-[collapsible=offcanvas]:translate-x-0",
				"[[data-side=left][data-collapsible=offcanvas]_&]:-inset-e-2",
				"[[data-side=right][data-collapsible=offcanvas]_&]:-inset-s-2",
				className,
			)}
			{...props}
		/>
	);
}

function SidebarInset({ className, ...props }: React.ComponentProps<"main">) {
	return (
		<main
			data-slot="sidebar-inset"
			className={cn(
				"relative flex w-full flex-1 flex-col bg-background md:peer-data-[variant=inset]:peer-data-[state=collapsed]:ms-2 md:peer-data-[variant=inset]:m-2 md:peer-data-[variant=inset]:ms-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow-sm",
				className,
			)}
			{...props}
		/>
	);
}

function SidebarInput({ className, ...props }: React.ComponentProps<typeof Input>) {
	return (
		<Input
			data-slot="sidebar-input"
			data-sidebar="input"
			className={cn("w-full bg-background shadow-none", className)}
			{...props}
		/>
	);
}

function SidebarHeader({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-header"
			data-sidebar="header"
			className={cn("flex flex-col gap-2 p-2", className)}
			{...props}
		/>
	);
}

function SidebarFooter({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-footer"
			data-sidebar="footer"
			className={cn("flex flex-col gap-2 p-2", className)}
			{...props}
		/>
	);
}

function SidebarSeparator({ className, ...props }: React.ComponentProps<typeof Separator>) {
	return (
		<Separator
			data-slot="sidebar-separator"
			data-sidebar="separator"
			className={cn("w-auto bg-sidebar-border", className)}
			{...props}
		/>
	);
}

function SidebarContent({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-content"
			data-sidebar="content"
			className={cn(
				"no-scrollbar flex min-h-0 flex-1 flex-col gap-0 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
				className,
			)}
			{...props}
		/>
	);
}

function SidebarGroup({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-group"
			data-sidebar="group"
			className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
			{...props}
		/>
	);
}

function SidebarGroupLabel({
	className,
	render,
	...props
}: useRender.ComponentProps<"div"> & React.ComponentProps<"div">) {
	return useRender({
		defaultTagName: "div",
		props: mergeProps<"div">(
			{
				className: cn(
					"flex h-9 shrink-0 items-center rounded-md px-2 font-medium text-sidebar-foreground/70 text-xs outline-hidden ring-sidebar-ring transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0 [&>svg]:size-4 [&>svg]:shrink-0",
					className,
				),
			},
			props,
		),
		render,
		state: {
			slot: "sidebar-group-label",
			sidebar: "group-label",
		},
	});
}

function SidebarGroupAction({
	className,
	render,
	...props
}: useRender.ComponentProps<"button"> & React.ComponentProps<"button">) {
	return useRender({
		defaultTagName: "button",
		props: mergeProps<"button">(
			{
				className: cn(
					"absolute end-3 top-3.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-hidden ring-sidebar-ring transition-transform after:absolute after:-inset-2 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 group-data-[collapsible=icon]:hidden md:after:hidden [&>svg]:size-4 [&>svg]:shrink-0",
					className,
				),
			},
			props,
		),
		render,
		state: {
			slot: "sidebar-group-action",
			sidebar: "group-action",
		},
	});
}

function SidebarGroupContent({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-group-content"
			data-sidebar="group-content"
			className={cn("w-full text-sm", className)}
			{...props}
		/>
	);
}

function SidebarMenu({ className, ...props }: React.ComponentProps<"ul">) {
	return (
		<ul
			data-slot="sidebar-menu"
			data-sidebar="menu"
			className={cn("flex w-full min-w-0 flex-col gap-1", className)}
			{...props}
		/>
	);
}

function SidebarMenuItem({ className, ...props }: React.ComponentProps<"li">) {
	return (
		<li
			data-slot="sidebar-menu-item"
			data-sidebar="menu-item"
			className={cn("group/menu-item relative", className)}
			{...props}
		/>
	);
}

const sidebarMenuButtonVariants = cva(
	"peer/menu-button group/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-start text-sm outline-hidden ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-data-[sidebar=menu-action]/menu-item:pe-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-active:bg-sidebar-accent data-active:font-medium data-active:text-sidebar-accent-foreground data-open:hover:bg-sidebar-accent data-open:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:size-8! group-data-[collapsible=icon]:p-2! [&>span:last-child]:truncate [&_svg]:size-4 [&_svg]:shrink-0",
	{
		variants: {
			variant: {
				default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
				outline:
					"bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
			},
			size: {
				default: "h-9 text-sm",
				sm: "h-8 text-xs",
				lg: "h-12 text-sm group-data-[collapsible=icon]:p-0!",
			},
		},
		defaultVariants: {
			variant: "default",
			size: "default",
		},
	},
);

function SidebarMenuButton({
	render,
	isActive = false,
	variant = "default",
	size = "default",
	tooltip,
	className,
	...props
}: useRender.ComponentProps<"button"> &
	React.ComponentProps<"button"> & {
		isActive?: boolean;
		tooltip?: string | React.ComponentProps<typeof TooltipContent>;
	} & VariantProps<typeof sidebarMenuButtonVariants>) {
	const { isMobile, state } = useSidebarState();

	const comp = useRender({
		defaultTagName: "button",
		props: mergeProps<"button">(
			{
				className: cn(sidebarMenuButtonVariants({ variant, size }), className),
			},
			props,
		),
		render: !tooltip ? render : <TooltipTrigger render={render} />,
		state: {
			slot: "sidebar-menu-button",
			sidebar: "menu-button",
			size,
			active: isActive,
		},
	});

	if (!tooltip) {
		return comp;
	}

	if (typeof tooltip === "string") {
		tooltip = {
			children: tooltip,
		};
	}

	return (
		<Tooltip>
			{comp}
			<TooltipContent side="right" align="center" hidden={state !== "collapsed" || isMobile} {...tooltip} />
		</Tooltip>
	);
}

function SidebarMenuAction({
	className,
	render,
	showOnHover = false,
	...props
}: useRender.ComponentProps<"button"> &
	React.ComponentProps<"button"> & {
		showOnHover?: boolean;
	}) {
	return useRender({
		defaultTagName: "button",
		props: mergeProps<"button">(
			{
				className: cn(
					"absolute end-1 top-1.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-hidden ring-sidebar-ring transition-transform after:absolute after:-inset-2 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 peer-hover/menu-button:text-sidebar-accent-foreground group-data-[collapsible=icon]:hidden peer-data-[size=default]/menu-button:top-1.5 peer-data-[size=lg]/menu-button:top-2.5 peer-data-[size=sm]/menu-button:top-1 md:after:hidden [&>svg]:size-4 [&>svg]:shrink-0",
					showOnHover &&
						"group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 aria-expanded:opacity-100 peer-data-active/menu-button:text-sidebar-accent-foreground md:opacity-0",
					className,
				),
			},
			props,
		),
		render,
		state: {
			slot: "sidebar-menu-action",
			sidebar: "menu-action",
		},
	});
}

function SidebarMenuBadge({ className, ...props }: React.ComponentProps<"div">) {
	return (
		<div
			data-slot="sidebar-menu-badge"
			data-sidebar="menu-badge"
			className={cn(
				"pointer-events-none absolute inset-e-1 flex h-5 min-w-5 select-none items-center justify-center rounded-md px-1 font-medium text-sidebar-foreground text-xs tabular-nums peer-hover/menu-button:text-sidebar-accent-foreground group-data-[collapsible=icon]:hidden peer-data-[size=default]/menu-button:top-1.5 peer-data-[size=lg]/menu-button:top-2.5 peer-data-[size=sm]/menu-button:top-1 peer-data-active/menu-button:text-sidebar-accent-foreground",
				className,
			)}
			{...props}
		/>
	);
}

function SidebarMenuSkeleton({
	className,
	showIcon = false,
	...props
}: React.ComponentProps<"div"> & {
	showIcon?: boolean;
}) {
	// Random width between 50 to 90%.
	const [width] = React.useState(() => {
		return `${Math.floor(Math.random() * 40) + 50}%`;
	});

	return (
		<div
			data-slot="sidebar-menu-skeleton"
			data-sidebar="menu-skeleton"
			className={cn("flex h-9 items-center gap-2 rounded-md px-2", className)}
			{...props}
		>
			{showIcon && <Skeleton className="size-4 rounded-md" data-sidebar="menu-skeleton-icon" />}
			<Skeleton
				className="h-4 max-w-(--skeleton-width) flex-1"
				data-sidebar="menu-skeleton-text"
				style={
					{
						"--skeleton-width": width,
					} as React.CSSProperties
				}
			/>
		</div>
	);
}

function SidebarMenuSub({ className, ...props }: React.ComponentProps<"ul">) {
	return (
		<ul
			data-slot="sidebar-menu-sub"
			data-sidebar="menu-sub"
			className={cn(
				"mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-sidebar-border border-s px-2.5 py-0.5 group-data-[collapsible=icon]:hidden rtl:-translate-x-px",
				className,
			)}
			{...props}
		/>
	);
}

function SidebarMenuSubItem({ className, ...props }: React.ComponentProps<"li">) {
	return (
		<li
			data-slot="sidebar-menu-sub-item"
			data-sidebar="menu-sub-item"
			className={cn("group/menu-sub-item relative", className)}
			{...props}
		/>
	);
}

function SidebarMenuSubButton({
	render,
	size = "md",
	isActive = false,
	className,
	...props
}: useRender.ComponentProps<"a"> &
	React.ComponentProps<"a"> & {
		size?: "sm" | "md";
		isActive?: boolean;
	}) {
	return useRender({
		defaultTagName: "a",
		props: mergeProps<"a">(
			{
				className: cn(
					"flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground outline-hidden ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-active:bg-sidebar-accent data-[size=md]:text-sm data-[size=sm]:text-xs data-active:text-sidebar-accent-foreground group-data-[collapsible=icon]:hidden rtl:translate-x-px [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
					className,
				),
			},
			props,
		),
		render,
		state: {
			slot: "sidebar-menu-sub-button",
			sidebar: "menu-sub-button",
			size,
			active: isActive,
		},
	});
}

export {
	Sidebar,
	SidebarContent,
	SidebarFooter,
	SidebarGroup,
	SidebarGroupAction,
	SidebarGroupContent,
	SidebarGroupLabel,
	SidebarHeader,
	SidebarInput,
	SidebarInset,
	SidebarMenu,
	SidebarMenuAction,
	SidebarMenuBadge,
	SidebarMenuButton,
	SidebarMenuItem,
	SidebarMenuSkeleton,
	SidebarMenuSub,
	SidebarMenuSubButton,
	SidebarMenuSubItem,
	SidebarProvider,
	SidebarRail,
	SidebarSeparator,
	SidebarTrigger,
	useSidebarState,
};
