"use client"

// shadcn Command (cmdk 기반) — D6 §5.2 Ctrl+K 커맨드 팔레트용
// 이 프로젝트는 Radix 대신 @base-ui/react 를 쓰지만 cmdk 는 독립 패키지라 그대로 사용 가능.
// 팔레트 Dialog 는 기존 components/ui/dialog(@base-ui) 를 재사용해 포커스 트랩·aria-modal 확보.
import * as React from "react"
import { Command as CommandPrimitive } from "cmdk"
import { Search } from "lucide-react"

import { cn } from "@/lib/utils/client"
import { Dialog, DialogContent } from "@/components/ui/dialog"

const Command = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive>
>(({ className, ...props }, ref) => (
	<CommandPrimitive
		ref={ref}
		className={cn(
			"flex h-full w-full flex-col overflow-hidden rounded-md bg-popover text-popover-foreground",
			className
		)}
		{...props}
	/>
))
Command.displayName = CommandPrimitive.displayName

type CommandDialogProps = React.ComponentPropsWithoutRef<typeof CommandPrimitive> & {
	open: boolean
	onOpenChange: (_open: boolean) => void
	label?: string
}

const CommandDialog = ({ open, onOpenChange, label, children, ...props }: CommandDialogProps) => {
	return (
		<Dialog open={open} onOpenChange={onOpenChange}>
			<DialogContent className="overflow-hidden p-0">
				<Command
					label={label}
					className="[&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground [&_[cmdk-group]:not([hidden])_~[cmdk-group]]:pt-0 [&_[cmdk-group]]:px-2 [&_[cmdk-input-wrapper]_svg]:h-5 [&_[cmdk-input-wrapper]_svg]:w-5 [&_[cmdk-input]]:h-12 [&_[cmdk-item]]:px-2 [&_[cmdk-item]]:py-3 [&_[cmdk-item]_svg]:h-5 [&_[cmdk-item]_svg]:w-5"
					{...props}
				>
					{children}
				</Command>
			</DialogContent>
		</Dialog>
	)
}

const CommandInput = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.Input>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Input>
>(({ className, ...props }, ref) => (
	<div className="flex items-center border-b px-3" cmdk-input-wrapper="">
		<Search className="mr-2 h-4 w-4 shrink-0 opacity-50" />
		<CommandPrimitive.Input
			ref={ref}
			className={cn(
				"flex h-11 w-full rounded-md bg-transparent py-3 text-sm outline-none placeholder:text-muted-foreground disabled:cursor-not-allowed disabled:opacity-50",
				className
			)}
			{...props}
		/>
	</div>
))
CommandInput.displayName = CommandPrimitive.Input.displayName

const CommandList = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.List>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.List>
>(({ className, ...props }, ref) => (
	<CommandPrimitive.List
		ref={ref}
		className={cn("max-h-[360px] overflow-y-auto overflow-x-hidden", className)}
		{...props}
	/>
))
CommandList.displayName = CommandPrimitive.List.displayName

const CommandEmpty = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.Empty>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Empty>
>((props, ref) => (
	<CommandPrimitive.Empty
		ref={ref}
		className="py-6 text-center text-sm text-muted-foreground"
		{...props}
	/>
))
CommandEmpty.displayName = CommandPrimitive.Empty.displayName

const CommandGroup = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.Group>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Group>
>(({ className, ...props }, ref) => (
	<CommandPrimitive.Group
		ref={ref}
		className={cn(
			"overflow-hidden p-1 text-foreground [&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:py-1.5 [&_[cmdk-group-heading]]:text-xs [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground",
			className
		)}
		{...props}
	/>
))
CommandGroup.displayName = CommandPrimitive.Group.displayName

const CommandSeparator = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.Separator>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Separator>
>(({ className, ...props }, ref) => (
	<CommandPrimitive.Separator
		ref={ref}
		className={cn("-mx-1 h-px bg-border", className)}
		{...props}
	/>
))
CommandSeparator.displayName = CommandPrimitive.Separator.displayName

const CommandItem = React.forwardRef<
	React.ElementRef<typeof CommandPrimitive.Item>,
	React.ComponentPropsWithoutRef<typeof CommandPrimitive.Item>
>(({ className, ...props }, ref) => (
	<CommandPrimitive.Item
		ref={ref}
		className={cn(
			"relative flex cursor-default gap-2 select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[disabled=true]:pointer-events-none data-[selected=true]:bg-accent data-[selected=true]:text-accent-foreground data-[disabled=true]:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
			className
		)}
		{...props}
	/>
))
CommandItem.displayName = CommandPrimitive.Item.displayName

const CommandShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
	return (
		<span
			className={cn("ml-auto text-xs tracking-widest text-muted-foreground", className)}
			{...props}
		/>
	)
}
CommandShortcut.displayName = "CommandShortcut"

export {
	Command,
	CommandDialog,
	CommandInput,
	CommandList,
	CommandEmpty,
	CommandGroup,
	CommandItem,
	CommandShortcut,
	CommandSeparator,
}