// SPDX-License-Identifier: AGPL-3.0-only
// Copyright 2026-present the Unsloth AI Inc. team. All rights reserved. See /studio/LICENSE.AGPL-3.0

import { DropdownMenu as DropdownMenuPrimitive } from "radix-ui";
import * as React from "react";

import { Tick02Icon } from "@/lib/tick-icon";
import { ChevronRightStandardIcon } from "@/lib/chevron-icons";
import { useIsMobile } from "@/hooks/use-mobile";
import { cn } from "@/lib/utils";
import { HugeiconsIcon } from "@hugeicons/react";

function DropdownMenu({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Root>) {
  return <DropdownMenuPrimitive.Root data-slot="dropdown-menu" {...props} />;
}

function DropdownMenuPortal({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Portal>) {
  return (
    <DropdownMenuPrimitive.Portal data-slot="dropdown-menu-portal" {...props} />
  );
}

function DropdownMenuTrigger({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Trigger>) {
  return (
    <DropdownMenuPrimitive.Trigger
      data-slot="dropdown-menu-trigger"
      {...props}
    />
  );
}

function DropdownMenuContent({
  className,
  align = "start",
  sideOffset = 0,
  children,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
  return (
    <DropdownMenuPrimitive.Portal>
      <DropdownMenuPrimitive.Content
        data-slot="dropdown-menu-content"
        sideOffset={sideOffset}
        align={align}
        className={cn(
          // The 3px alignment nudge must be margin, not translate: a transform
          // here makes this scroll container the containing block for nested
          // position:fixed submenu wrappers, clipping every submenu.
          "data-open:animate-in data-closed:animate-out data-closed:fade-out-0 data-open:fade-in-0 data-closed:zoom-out-95 data-open:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 bg-popover text-popover-foreground min-w-48 rounded-lg p-1 duration-100 z-50 max-h-(--radix-dropdown-menu-content-available-height) w-[calc(var(--radix-dropdown-menu-trigger-width)_+_6px)] data-[align=start]:-ml-[3px] data-[align=end]:ml-[3px] origin-(--radix-dropdown-menu-content-transform-origin) flex flex-col overflow-hidden",
          className,
        )}
        {...props}
      >
        {/* Scroll an inner viewport, not the rounded surface: a scrollbar on
            the surface squares its corners in WebKit. The surface padding
            insets the scrollbar clear of the curve. */}
        <div
          data-slot="dropdown-menu-viewport"
          className="min-h-0 flex-1 overflow-x-hidden overflow-y-auto"
        >
          {children}
        </div>
      </DropdownMenuPrimitive.Content>
    </DropdownMenuPrimitive.Portal>
  );
}

function DropdownMenuGroup({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Group>) {
  return (
    <DropdownMenuPrimitive.Group data-slot="dropdown-menu-group" {...props} />
  );
}

function DropdownMenuItem({
  className,
  inset,
  variant = "default",
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
  inset?: boolean;
  variant?: "default" | "destructive";
}) {
  return (
    <DropdownMenuPrimitive.Item
      data-slot="dropdown-menu-item"
      data-inset={inset}
      data-variant={variant}
      className={cn(
        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:text-destructive not-data-[variant=destructive]:focus:**:text-accent-foreground gap-2.5 rounded-[11px] px-3 py-2 text-sm [&_svg:not([class*='size-'])]:size-4 group/dropdown-menu-item relative flex cursor-pointer items-center outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0",
        className,
      )}
      {...props}
    />
  );
}

function DropdownMenuCheckboxItem({
  className,
  children,
  checked,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem>) {
  return (
    <DropdownMenuPrimitive.CheckboxItem
      data-slot="dropdown-menu-checkbox-item"
      className={cn(
        "focus:bg-accent focus:text-accent-foreground focus:**:text-accent-foreground gap-2.5 rounded-[11px] py-2 pr-8 pl-3 text-sm [&_svg:not([class*='size-'])]:size-4 relative flex cursor-pointer items-center outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0",
        className,
      )}
      checked={checked}
      {...props}
    >
      <span
        className="pointer-events-none absolute right-2 flex items-center justify-center pointer-events-none"
        data-slot="dropdown-menu-checkbox-item-indicator"
      >
        <DropdownMenuPrimitive.ItemIndicator>
          <HugeiconsIcon icon={Tick02Icon} strokeWidth={2} />
        </DropdownMenuPrimitive.ItemIndicator>
      </span>
      {children}
    </DropdownMenuPrimitive.CheckboxItem>
  );
}

function DropdownMenuRadioGroup({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioGroup>) {
  return (
    <DropdownMenuPrimitive.RadioGroup
      data-slot="dropdown-menu-radio-group"
      {...props}
    />
  );
}

function DropdownMenuRadioItem({
  className,
  children,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem>) {
  return (
    <DropdownMenuPrimitive.RadioItem
      data-slot="dropdown-menu-radio-item"
      className={cn(
        "focus:bg-accent focus:text-accent-foreground focus:**:text-accent-foreground gap-2.5 rounded-[11px] py-2 pr-8 pl-3 text-sm [&_svg:not([class*='size-'])]:size-4 relative flex cursor-pointer items-center outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0",
        className,
      )}
      {...props}
    >
      <span
        className="pointer-events-none absolute right-2 flex items-center justify-center pointer-events-none"
        data-slot="dropdown-menu-radio-item-indicator"
      >
        <DropdownMenuPrimitive.ItemIndicator>
          <HugeiconsIcon icon={Tick02Icon} strokeWidth={2} />
        </DropdownMenuPrimitive.ItemIndicator>
      </span>
      {children}
    </DropdownMenuPrimitive.RadioItem>
  );
}

function DropdownMenuLabel({
  className,
  inset,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Label> & {
  inset?: boolean;
}) {
  return (
    <DropdownMenuPrimitive.Label
      data-slot="dropdown-menu-label"
      data-inset={inset}
      className={cn(
        "text-muted-foreground px-3 py-2.5 text-xs data-[inset]:pl-8",
        className,
      )}
      {...props}
    />
  );
}

function DropdownMenuSeparator({
  className,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Separator>) {
  return (
    <DropdownMenuPrimitive.Separator
      data-slot="dropdown-menu-separator"
      className={cn("bg-border/50 mx-1 my-1 h-px", className)}
      {...props}
    />
  );
}

function DropdownMenuShortcut({
  className,
  ...props
}: React.ComponentProps<"span">) {
  return (
    <span
      data-slot="dropdown-menu-shortcut"
      className={cn(
        "text-muted-foreground group-focus/dropdown-menu-item:text-accent-foreground ml-auto text-xs tracking-widest",
        className,
      )}
      {...props}
    />
  );
}

function assignRef<T>(ref: React.Ref<T> | undefined, value: T | null) {
  if (typeof ref === "function") {
    ref(value);
  } else if (ref) {
    ref.current = value;
  }
}

function DropdownMenuSub({
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Sub>) {
  return <DropdownMenuPrimitive.Sub data-slot="dropdown-menu-sub" {...props} />;
}

function DropdownMenuSubTrigger({
  className,
  inset,
  children,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
  inset?: boolean;
}) {
  return (
    <DropdownMenuPrimitive.SubTrigger
      data-slot="dropdown-menu-sub-trigger"
      data-inset={inset}
      className={cn(
        "focus:bg-accent focus:text-accent-foreground data-open:bg-accent data-open:text-accent-foreground not-data-[variant=destructive]:focus:**:text-accent-foreground gap-2 rounded-[11px] px-3 py-2 text-sm [&_svg:not([class*='size-'])]:size-4 flex cursor-pointer items-center outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0",
        className,
      )}
      {...props}
    >
      {children}
      <HugeiconsIcon
        icon={ChevronRightStandardIcon}
        strokeWidth={1.5}
        className="ml-auto size-[12px]"
      />
    </DropdownMenuPrimitive.SubTrigger>
  );
}

function DropdownMenuSubContent({
  className,
  sideOffset,
  style,
  ref,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
  const isMobile = useIsMobile();
  const [contentWidth, setContentWidth] = React.useState(0);
  const resizeObserverRef = React.useRef<ResizeObserver | null>(null);
  const composedRef = React.useCallback(
    (
      element: React.ComponentRef<
        typeof DropdownMenuPrimitive.SubContent
      > | null,
    ) => {
      resizeObserverRef.current?.disconnect();
      resizeObserverRef.current = null;
      assignRef(ref, element);
      if (!element) return;

      const updateContentWidth = () => {
        setContentWidth(element.offsetWidth);
      };
      updateContentWidth();

      if (typeof ResizeObserver !== "undefined") {
        resizeObserverRef.current = new ResizeObserver(updateContentWidth);
        resizeObserverRef.current.observe(element);
      }
    },
    [ref],
  );

  React.useEffect(
    () => () => {
      resizeObserverRef.current?.disconnect();
    },
    [],
  );

  const compactSideOffset =
    isMobile && contentWidth > 0 ? -contentWidth : sideOffset;
  return (
    // Portaled like DropdownMenuContent: rendered inline, the fixed popper
    // wrapper is a descendant of the parent menu's scroll container, so any
    // transform there turns on overflow clipping and hides the submenu.
    <DropdownMenuPrimitive.Portal>
      <DropdownMenuPrimitive.SubContent
        ref={composedRef}
        data-slot="dropdown-menu-sub-content"
        sideOffset={compactSideOffset}
        style={{
          ...style,
          visibility:
            isMobile && contentWidth === 0 ? "hidden" : style?.visibility,
        }}
        className={cn(
          "data-open:animate-in data-closed:animate-out data-closed:fade-out-0 data-open:fade-in-0 data-closed:zoom-out-95 data-open:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 bg-popover text-popover-foreground min-w-36 max-w-[calc(100vw-32px)] rounded-lg p-1 duration-100 z-50 origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden",
          className,
        )}
        {...props}
      />
    </DropdownMenuPrimitive.Portal>
  );
}

export {
  DropdownMenu,
  DropdownMenuPortal,
  DropdownMenuTrigger,
  DropdownMenuContent,
  DropdownMenuGroup,
  DropdownMenuLabel,
  DropdownMenuItem,
  DropdownMenuCheckboxItem,
  DropdownMenuRadioGroup,
  DropdownMenuRadioItem,
  DropdownMenuSeparator,
  DropdownMenuShortcut,
  DropdownMenuSub,
  DropdownMenuSubTrigger,
  DropdownMenuSubContent,
};
