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

import { cn } from "@/lib/utils";
import { Icon } from "@iconify/react";

const buttonVariants = cva(
  "inline-flex cursor-pointer items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-[color,box-shadow] disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-hidden focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
  {
    variants: {
      variant: {
        default:
          "bg-primary text-primary-foreground shadow-2xs hover:bg-primary/90",
        destructive:
          "bg-destructive text-white shadow-2xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40",
        outline:
          "border border-input bg-background shadow-2xs hover:bg-accent hover:text-accent-foreground",
        secondary:
          "bg-secondary text-secondary-foreground shadow-2xs hover:bg-secondary/80",
        soft: "bg-secondary text-secondary-foreground shadow-2xs hover:bg-secondary/80",
        ghost: "hover:bg-accent hover:text-accent-foreground",
        link: "text-primary underline-offset-4 hover:underline",
        glass:
          "bg-white/30 text-white shadow-2xs hover:bg-white/40 backdrop-blur-lg border border-white/20",
      },
      size: {
        default: "h-10 px-4 py-2",
        xs: "h-8 rounded-md px-2",
        sm: "h-9 rounded-md px-3",
        md: "h-10 rounded-md px-4",
        lg: "h-11 rounded-md px-8",
        icon: "h-10 w-10",
        "icon-sm": "h-8 w-8",
        "icon-xs": "h-6 w-6",
      },
      rounded: {
        full: "rounded-full",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
);

export interface ButtonProps
  extends React.ComponentProps<"button">,
    VariantProps<typeof buttonVariants> {
  asChild?: boolean;
  loading?: boolean;
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  (
    {
      className,
      variant,
      size,
      rounded,
      asChild = false,
      loading,
      children,
      ...props
    },
    ref
  ) => {
    const Comp = asChild ? Slot : "button";
    // Prepare the content that may include multiple elements
    const content = (
      <>
        {loading && (
          <Icon icon="mdi:loading" className="animate-spin mr-2 h-4 w-4" />
        )}
        {children}
      </>
    );

    return (
      <Comp
        disabled={props.disabled || loading}
        data-slot="button"
        className={cn(buttonVariants({ variant, size, rounded, className }))}
        ref={ref}
        {...props}
      >
        {asChild ? <span>{content}</span> : content}
      </Comp>
    );
  }
);
Button.displayName = "Button";

export { Button, buttonVariants };