// SPDX-FileCopyrightText: 2025 Weibo, Inc.
//
// SPDX-License-Identifier: Apache-2.0

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'

const buttonVariants = cva(
  'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-lg text-sm ring-offset-base transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50',
  {
    variants: {
      variant: {
        default:
          'bg-transparent border border-border text-text-primary hover:bg-surface font-medium',
        primary: 'bg-primary text-white hover:bg-primary/90 border-primary font-medium',
        secondary:
          'bg-transparent border border-border text-text-primary hover:bg-surface font-medium',
        outline:
          'bg-transparent border border-border text-text-primary hover:bg-surface font-medium',
        ghost: 'hover:bg-surface text-text-primary',
        link: 'text-text-muted underline-offset-4 hover:underline hover:text-text-primary',
        destructive: 'bg-error hover:bg-error/90 text-white border-error font-medium',
      },
      size: {
        default: 'h-10 px-4 py-2',
        sm: 'h-9 rounded-md px-3',
        lg: 'h-11 rounded-md px-8',
        icon: 'h-10 w-10',
      },
    },
    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 ? Slot : 'button'
    return (
      <Comp className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
    )
  }
)
Button.displayName = 'Button'

export { Button, buttonVariants }
