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

import { cn } from '../../lib/utils'

const buttonVariants = cva(
  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-semibold transition-all duration-200 cursor-pointer disabled:pointer-events-none disabled:opacity-50 disabled:cursor-not-allowed [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 [&_svg]:shrink-0 outline-none 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 active:scale-[0.98]",
  {
    variants: {
      variant: {
        default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
        destructive:
          'bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40',
        outline:
          'border border-input bg-background shadow-xs hover:bg-accent hover:text-accent-foreground',
        secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
        ghost: 'hover:bg-accent hover:text-accent-foreground',
        link: 'text-primary underline-offset-4 hover:underline'
      },
      size: {
        default: 'h-9 px-4 py-2 has-[>svg]:px-3',
        sm: 'h-8 rounded-md px-3 has-[>svg]:px-2.5',
        lg: 'h-10 rounded-md px-6 has-[>svg]:px-4',
        icon: 'size-9'
      }
    },
    defaultVariants: {
      variant: 'default',
      size: 'default'
    }
  }
)

/**
 * Button component for user interactions
 * @param variant - The visual style variant of the button
 * @param size - The size of the button
 * @param asChild - Whether to render as a child component
 * @param className - Additional CSS classes
 */
function Button({
  className,
  variant,
  size,
  asChild = false,
  ...props
}: React.ComponentProps<'button'> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean
  }) {
  const Comp = asChild ? Slot : 'button'

  return (
    <Comp
      data-slot="button"
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  )
}

export { Button, buttonVariants }