"use client";

import * as React from "react";
import { DropdownMenu as DropdownMenuPrimitive } from "radix-ui";
import { IconCheck, IconChevronRight } from "@tabler/icons-react";

import { liquidMenuSurfaceClasses } from "./liquid-menu-surface";
import {
  MenuHighlightContext,
  SUPER_HOVER_ATTR,
  useMenuHighlight,
} from "./menu-highlight";
import { cn } from "../lib/utils";

const contentClasses = cn(
  "relative z-50 overflow-x-hidden overflow-y-auto p-1",
  liquidMenuSurfaceClasses,
);

const subContentClasses = cn(
  "relative z-50 isolate overflow-x-hidden overflow-y-auto p-1",
  liquidMenuSurfaceClasses,
  "after:pointer-events-none after:absolute after:inset-y-1 after:left-0 after:w-px after:bg-neutral-500/20",
);

// ── Primitives ──────────────────────────────────────────────────────────────

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 = 4,
  children,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
  const contentRef = React.useRef<HTMLDivElement>(null);
  const glass = useMenuHighlight(contentRef);

  return (
    <DropdownMenuPrimitive.Portal>
      <DropdownMenuPrimitive.Content
        ref={contentRef}
        data-slot="dropdown-menu-content"
        sideOffset={sideOffset}
        align={align}
        onPointerLeave={glass.clear}
        className={cn(
          contentClasses,
          "max-h-(--radix-dropdown-menu-content-available-height) w-(--radix-dropdown-menu-trigger-width) min-w-48 origin-(--radix-dropdown-menu-content-transform-origin) duration-150 ease-[cubic-bezier(0.23,1,0.32,1)] data-[state=closed]:overflow-hidden data-[side=bottom]:slide-in-from-top-1 data-[side=left]:slide-in-from-right-1 data-[side=right]:slide-in-from-left-1 data-[side=top]:slide-in-from-bottom-1 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95",
          className,
        )}
        {...props}
      >
        {glass.element}
        <div className="relative z-10">
          <MenuHighlightContext.Provider value={glass.ctx}>
            {children}
          </MenuHighlightContext.Provider>
        </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",
  onPointerEnter,
  onFocus,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
  inset?: boolean;
  variant?: "default" | "destructive";
}) {
  const { reportHover } = React.useContext(MenuHighlightContext);

  return (
    <DropdownMenuPrimitive.Item
      data-slot="dropdown-menu-item"
      {...SUPER_HOVER_ATTR}
      data-inset={inset}
      data-variant={variant}
      onFocus={(e) => {
        reportHover(e.currentTarget);
        onFocus?.(e);
      }}
      onPointerEnter={(e) => {
        reportHover(e.currentTarget);
        onPointerEnter?.(e);
      }}
      className={cn(
        "group/dropdown-menu-item relative flex cursor-default items-center gap-2 rounded-lg px-2.5 py-1.5 text-sm font-medium leading-5 outline-hidden select-none focus-visible:text-accent-foreground not-data-[variant=destructive]:focus-visible:**:text-accent-foreground data-inset:pl-8 data-[variant=destructive]:text-destructive data-[variant=destructive]:focus-visible:text-destructive data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg]:text-muted-foreground/75 data-[variant=destructive]:*:[svg]:text-destructive",
        className,
      )}
      {...props}
    />
  );
}

function DropdownMenuCheckboxItem({
  className,
  children,
  checked,
  inset,
  onPointerEnter,
  onFocus,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem> & {
  inset?: boolean;
}) {
  const { reportHover } = React.useContext(MenuHighlightContext);

  return (
    <DropdownMenuPrimitive.CheckboxItem
      data-slot="dropdown-menu-checkbox-item"
      {...SUPER_HOVER_ATTR}
      data-inset={inset}
      onFocus={(e) => {
        reportHover(e.currentTarget);
        onFocus?.(e);
      }}
      onPointerEnter={(e) => {
        reportHover(e.currentTarget);
        onPointerEnter?.(e);
      }}
      className={cn(
        "relative flex cursor-default items-center gap-2 rounded-lg py-1.5 pr-8 pl-2.5 text-sm font-medium leading-5 outline-hidden select-none focus:text-accent-foreground focus:**:text-accent-foreground data-inset:pl-8 data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg]:text-muted-foreground/75",
        className,
      )}
      {...(checked !== undefined ? { checked } : {})}
      {...props}
    >
      <span
        className="pointer-events-none absolute right-2 flex items-center justify-center"
        data-slot="dropdown-menu-checkbox-item-indicator"
      >
        <DropdownMenuPrimitive.ItemIndicator>
          <IconCheck />
        </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,
  inset,
  onPointerEnter,
  onFocus,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem> & {
  inset?: boolean;
}) {
  const { reportHover } = React.useContext(MenuHighlightContext);

  return (
    <DropdownMenuPrimitive.RadioItem
      data-slot="dropdown-menu-radio-item"
      {...SUPER_HOVER_ATTR}
      data-inset={inset}
      onFocus={(e) => {
        reportHover(e.currentTarget);
        onFocus?.(e);
      }}
      onPointerEnter={(e) => {
        reportHover(e.currentTarget);
        onPointerEnter?.(e);
      }}
      className={cn(
        "relative flex cursor-default items-center gap-2 rounded-lg py-1.5 pr-8 pl-2.5 text-sm font-medium leading-5 outline-hidden select-none focus:text-accent-foreground focus:**:text-accent-foreground data-inset:pl-8 data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg]:text-muted-foreground/75",
        className,
      )}
      {...props}
    >
      <span
        className="pointer-events-none absolute right-2 flex items-center justify-center"
        data-slot="dropdown-menu-radio-item-indicator"
      >
        <DropdownMenuPrimitive.ItemIndicator>
          <IconCheck />
        </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(
        "px-2.5 pt-2 pb-1 text-xs font-medium text-muted-foreground/60 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("mx-1.5 my-1 h-px bg-black/[0.06] dark:bg-white/[0.07]", className)}
      {...props}
    />
  );
}

function DropdownMenuShortcut({
  className,
  ...props
}: React.ComponentProps<"span">) {
  return (
    <span
      data-slot="dropdown-menu-shortcut"
      className={cn(
        "ml-auto text-xs text-muted-foreground/60 group-focus-visible/dropdown-menu-item:text-accent-foreground",
        className,
      )}
      {...props}
    />
  );
}

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

function DropdownMenuSubTrigger({
  className,
  inset,
  children,
  onPointerEnter,
  onFocus,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
  inset?: boolean;
}) {
  const { reportHover } = React.useContext(MenuHighlightContext);

  return (
    <DropdownMenuPrimitive.SubTrigger
      data-slot="dropdown-menu-sub-trigger"
      {...SUPER_HOVER_ATTR}
      data-inset={inset}
      onFocus={(e) => {
        reportHover(e.currentTarget);
        onFocus?.(e);
      }}
      onPointerEnter={(e) => {
        reportHover(e.currentTarget);
        onPointerEnter?.(e);
      }}
      className={cn(
        "flex cursor-default items-center gap-2 rounded-lg px-2.5 py-1.5 text-sm font-medium leading-5 outline-hidden select-none focus-visible:text-accent-foreground not-data-[variant=destructive]:focus-visible:**:text-accent-foreground data-inset:pl-8 data-[state=open]:bg-black/[0.045] dark:data-[state=open]:bg-white/[0.08] [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg]:text-muted-foreground/75",
        className,
      )}
      {...props}
    >
      {children}
      <IconChevronRight className="ml-auto" />
    </DropdownMenuPrimitive.SubTrigger>
  );
}

function DropdownMenuSubContent({
  className,
  children,
  ...props
}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
  const contentRef = React.useRef<HTMLDivElement>(null);
  const glass = useMenuHighlight(contentRef);

  return (
    <DropdownMenuPrimitive.Portal>
      <DropdownMenuPrimitive.SubContent
        ref={contentRef}
        data-slot="dropdown-menu-sub-content"
        onPointerLeave={glass.clear}
        className={cn(
          subContentClasses,
          "min-w-36 origin-(--radix-dropdown-menu-content-transform-origin) transform-gpu will-change-[opacity,transform] duration-160 ease-[cubic-bezier(0.23,1,0.32,1)] data-[state=closed]:overflow-hidden data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95",
          className,
        )}
        {...props}
      >
        {glass.element}
        <div className="relative z-10">
          <MenuHighlightContext.Provider value={glass.ctx}>
            {children}
          </MenuHighlightContext.Provider>
        </div>
      </DropdownMenuPrimitive.SubContent>
    </DropdownMenuPrimitive.Portal>
  );
}

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