import * as React from 'react'
import { cn } from '@/utils/cn'
import { cva, type VariantProps } from 'class-variance-authority'

const buttonVariants = cva(
  'inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-fd-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fd-ring disabled:pointer-events-none disabled:opacity-50',
  {
    variants: {
      variant: {
        default:
          'bg-fd-background bg-gradient-to-b from-fd-primary to-fd-primary/60 text-fd-primary-foreground shadow-inner shadow-fd-background/20 hover:bg-fd-primary/90',
        outline:
          'border bg-gradient-to-t from-fd-primary/10 shadow-inner shadow-fd-primary/10 hover:bg-fd-accent/50 hover:text-fd-accent-foreground',
        secondary: 'border bg-fd-secondary text-fd-secondary-foreground hover:bg-fd-secondary/80',
        ghost: 'hover:bg-fd-accent hover:text-fd-accent-foreground',
        link: 'text-fd-primary underline-offset-4 hover:underline',
      },
      size: {
        default: 'h-10 px-4 py-2',
        sm: 'h-9 rounded-md px-3',
        lg: 'h-11 px-6',
        xs: 'px-1.5 py-0.5 text-xs',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  }
)

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {
  asChild?: boolean
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant, size, asChild = false, ...props }, ref) => {
    const Comp = asChild ? React.Fragment : 'button'
    return (
      <Comp className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
    )
  }
)
Button.displayName = 'Button'

export { Button, buttonVariants }