import { cn } from "@buildingai/ui/lib/utils";
import { cva, type VariantProps } from "class-variance-authority";
import { Slot } from "radix-ui";
import * as React from "react";

import { Spinner } from "./spinner";

const buttonVariants = cva(
  "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:aria-invalid:border-destructive/50 rounded-md border border-transparent bg-clip-padding text-sm font-medium focus-visible:ring-[3px] aria-invalid:ring-[3px] [&_svg:not([class*='size-'])]:size-4 inline-flex items-center justify-center whitespace-nowrap transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none shrink-0 [&_svg]:shrink-0 outline-none group/button select-none",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground hover:bg-primary/80",
        outline:
          "border-border bg-background hover:bg-muted hover:text-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50 aria-expanded:bg-muted aria-expanded:text-foreground shadow-xs",
        secondary:
          "bg-secondary text-secondary-foreground hover:bg-secondary/80 aria-expanded:bg-secondary aria-expanded:text-secondary-foreground",
        ghost:
          "hover:bg-muted hover:text-foreground dark:hover:bg-muted/50 aria-expanded:bg-muted aria-expanded:text-foreground",
        destructive:
          "bg-destructive/10 hover:bg-destructive/20 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/20 text-destructive focus-visible:border-destructive/40 dark:hover:bg-destructive/30",
        link: "text-primary underline-offset-4 hover:underline",
      },
      size: {
        default:
          "h-9 gap-1.5 px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        xs: "h-6 gap-1 rounded-[min(var(--radius-md),8px)] px-2 text-xs in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1 rounded-[min(var(--radius-md),10px)] px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5",
        lg: "h-10 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-3 has-data-[icon=inline-start]:pl-3",
        icon: "size-9",
        "icon-xs":
          "size-6 rounded-[min(var(--radius-md),8px)] in-data-[slot=button-group]:rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm":
          "size-8 rounded-[min(var(--radius-md),10px)] in-data-[slot=button-group]:rounded-md",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  },
);

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  loading = false,
  disabled,
  children,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean;
    loading?: boolean;
  }) {
  const Comp = asChild ? Slot.Root : "button";
  const isDisabled = disabled || loading;

  const spinner = loading ? <Spinner /> : null;

  const content = asChild ? (
    React.isValidElement<{ children?: React.ReactNode }>(children) &&
    React.cloneElement(children, {
      children: (
        <>
          {spinner}
          {children.props.children}
        </>
      ),
    })
  ) : (
    <>
      {spinner}
      {children}
    </>
  );

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      data-loading={loading || undefined}
      disabled={isDisabled}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    >
      {content}
    </Comp>
  );
}

export { Button, buttonVariants };
