"use client";

import type * as React from "react";

import { cva, type VariantProps } from "class-variance-authority";

import { cn } from "@/lib/utils";

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

function InputGroup({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <>
      {/* biome-ignore lint/a11y: input-group mirrors shadcn's div-based slot API, not a form fieldset. */}
      <div
        data-slot="input-group"
        role="group"
        className={cn(
          "group/input-group relative flex h-8 w-full min-w-0 items-center rounded-full border border-input transition-colors outline-none in-data-[slot=combobox-content]:focus-within:border-inherit in-data-[slot=combobox-content]:focus-within:ring-0 has-disabled:bg-input/50 has-disabled:opacity-50 has-[[data-slot=input-group-control]:focus-visible]:border-ring has-[[data-slot=input-group-control]:focus-visible]:ring-1 has-[[data-slot=input-group-control]:focus-visible]:ring-ring/50 has-[[data-slot][aria-invalid=true]]:border-destructive has-[[data-slot][aria-invalid=true]]:ring-1 has-[[data-slot][aria-invalid=true]]:ring-destructive/20 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-[>textarea]:h-auto dark:bg-input/30 dark:has-disabled:bg-input/80 dark:has-[[data-slot][aria-invalid=true]]:ring-destructive/40 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",
          className,
        )}
        {...props}
      />
    </>
  );
}

const inputGroupAddonVariants = cva(
  "flex h-auto cursor-text items-center justify-center gap-2 py-1.5 text-xs font-medium text-muted-foreground select-none group-data-[disabled=true]/input-group:opacity-50 [&>kbd]:rounded-none [&>svg:not([class*='size-'])]:size-4",
  {
    variants: {
      align: {
        "inline-start":
          "order-first pl-2 has-[>button]:ml-[-0.3rem] has-[>kbd]:ml-[-0.15rem]",
        "inline-end":
          "order-last pr-2 has-[>button]:mr-[-0.3rem] has-[>kbd]:mr-[-0.15rem]",
        "block-start":
          "order-first w-full justify-start px-2.5 pt-2 group-has-[>input]/input-group:pt-2 [.border-b]:pb-2",
        "block-end":
          "order-last w-full justify-start px-2.5 pb-2 group-has-[>input]/input-group:pb-2 [.border-t]:pt-2",
      },
    },
    defaultVariants: {
      align: "inline-start",
    },
  },
);

function InputGroupAddon({
  className,
  align = "inline-start",
  ...props
}: React.ComponentProps<"div"> & VariantProps<typeof inputGroupAddonVariants>) {
  return (
    <>
      {/* biome-ignore lint/a11y: addon focuses the grouped input and must remain a div slot. */}
      <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(
  "flex items-center gap-2 text-xs shadow-none",
  {
    variants: {
      size: {
        xs: "h-6 gap-1 rounded-none px-1.5 [&>svg:not([class*='size-'])]:size-3.5",
        sm: "gap-1",
        "icon-xs": "size-6 rounded-none p-0 has-[>svg]:p-0",
        "icon-sm": "size-7 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" | "type"> &
  VariantProps<typeof inputGroupButtonVariants> & {
    type?: "button" | "submit" | "reset";
  }) {
  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(
        "flex items-center gap-2 text-xs text-muted-foreground [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4",
        className,
      )}
      {...props}
    />
  );
}

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

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

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