// 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 { type VariantProps, cva } from "class-variance-authority";
import type * as React from "react";

import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Textarea } from "@/components/ui/textarea";
import { cn } from "@/lib/utils";

function InputGroup({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="input-group"
      role="group"
      className={cn(
        "border-border bg-background dark:border-transparent dark:bg-white/[0.06] has-[[data-slot=input-group-control]:focus-visible]:border-ring dark:has-[[data-slot=input-group-control]:focus-visible]:border-transparent dark:has-[[data-slot=input-group-control]:focus-visible]:bg-white/[0.12] has-[[data-slot][aria-invalid=true]]:ring-destructive/20 has-[[data-slot][aria-invalid=true]]:border-destructive dark:has-[[data-slot][aria-invalid=true]]:ring-destructive/40 h-9 rounded-full border transition-colors has-data-[align=block-end]:rounded-2xl has-data-[align=block-start]:rounded-2xl has-[[data-slot][aria-invalid=true]]:ring-[3px] has-[textarea]:rounded-xl has-[>[data-align=block-end]]:h-auto has-[>[data-align=block-end]]:flex-col has-[>[data-align=block-start]]:h-auto has-[>[data-align=block-start]]:flex-col has-[>[data-align=block-end]]:[&>input]:pt-3 has-[>[data-align=block-start]]:[&>input]:pb-3 has-[>[data-align=inline-end]]:[&>input]:pr-1.5 has-[>[data-align=inline-start]]:[&>input]:pl-1.5 [[data-slot=combobox-content]_&]:focus-within:border-inherit [[data-slot=combobox-content]_&]:focus-within:ring-0 group/input-group relative flex w-full min-w-0 items-center outline-none has-[>textarea]:h-auto",
        className,
      )}
      {...props}
    />
  );
}

const inputGroupAddonVariants = cva(
  "text-muted-foreground **:data-[slot=kbd]:bg-muted-foreground/10 h-auto gap-2 py-2 text-sm font-medium group-data-[disabled=true]/input-group:opacity-50 **:data-[slot=kbd]:rounded-4xl **:data-[slot=kbd]:px-1.5 [&>svg:not([class*='size-'])]:size-4 flex cursor-text items-center justify-center select-none",
  {
    variants: {
      align: {
        "inline-start":
          "pl-3 has-[>button]:ml-[-0.25rem] has-[>kbd]:ml-[-0.15rem] order-first",
        "inline-end":
          "pr-3 has-[>button]:mr-[-0.25rem] has-[>kbd]:mr-[-0.15rem] order-last",
        "block-start":
          "px-3 pt-3 group-has-[>input]/input-group:pt-3 [.border-b]:pb-3 order-first w-full justify-start",
        "block-end":
          "px-3 pb-3 group-has-[>input]/input-group:pb-3 [.border-t]:pt-3 order-last w-full justify-start",
      },
    },
    defaultVariants: {
      align: "inline-start",
    },
  },
);

function InputGroupAddon({
  className,
  align = "inline-start",
  ...props
}: React.ComponentProps<"div"> & VariantProps<typeof inputGroupAddonVariants>) {
  return (
    <div
      role="group"
      data-slot="input-group-addon"
      data-align={align}
      className={cn(inputGroupAddonVariants({ align }), className)}
      onClick={(e) => {
        if ((e.target as HTMLElement).closest("button")) {
          return;
        }
        e.currentTarget.parentElement?.querySelector("input")?.focus();
      }}
      {...props}
    />
  );
}

const inputGroupButtonVariants = cva(
  "gap-2 rounded-4xl text-sm shadow-none flex items-center",
  {
    variants: {
      size: {
        xs: "h-6 gap-1 px-1.5 [&>svg:not([class*='size-'])]:size-3.5",
        sm: "",
        "icon-xs": "size-6 p-0 has-[>svg]:p-0",
        "icon-sm": "size-8 p-0 has-[>svg]:p-0",
      },
    },
    defaultVariants: {
      size: "xs",
    },
  },
);

function InputGroupButton({
  className,
  type = "button",
  variant = "ghost",
  size = "xs",
  ...props
}: Omit<React.ComponentProps<typeof Button>, "size"> &
  VariantProps<typeof inputGroupButtonVariants>) {
  return (
    <Button
      type={type}
      data-size={size}
      variant={variant}
      className={cn(inputGroupButtonVariants({ size }), className)}
      {...props}
    />
  );
}

function InputGroupText({ className, ...props }: React.ComponentProps<"span">) {
  return (
    <span
      className={cn(
        "text-muted-foreground gap-2 text-sm [&_svg:not([class*='size-'])]:size-4 flex items-center [&_svg]:pointer-events-none",
        className,
      )}
      {...props}
    />
  );
}

function InputGroupInput({
  className,
  ...props
}: React.ComponentProps<"input">) {
  return (
    <Input
      data-slot="input-group-control"
      className={cn(
        "rounded-none border-0 bg-transparent shadow-none ring-0 focus-visible:ring-0 aria-invalid:ring-0 dark:bg-transparent dark:focus-visible:bg-transparent flex-1",
        className,
      )}
      {...props}
    />
  );
}

function InputGroupTextarea({
  className,
  ...props
}: React.ComponentProps<"textarea">) {
  return (
    <Textarea
      data-slot="input-group-control"
      className={cn(
        "rounded-none border-0 bg-transparent py-2 shadow-none ring-0 focus-visible:ring-0 aria-invalid:ring-0 dark:bg-transparent flex-1 resize-none",
        className,
      )}
      {...props}
    />
  );
}

export {
  InputGroup,
  InputGroupAddon,
  InputGroupButton,
  InputGroupText,
  InputGroupInput,
  InputGroupTextarea,
};
