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 badgeVariants = cva(
  'inline-flex items-center justify-center rounded-sm border px-2 py-0.5 text-[10px] font-bold uppercase tracking-wider w-fit whitespace-nowrap shrink-0 [&>svg]:size-3 gap-1.5 [&>svg]:pointer-events-none transition-all overflow-hidden font-mono',
  {
    variants: {
      variant: {
        // Default: Primary cyan
        default:
          'border-transparent bg-primary/15 text-primary',
        
        // Secondary: Magenta
        secondary:
          'border-transparent bg-secondary/15 text-secondary',
        
        // Success: Lime green
        success:
          'border-transparent bg-success/15 text-success',
        
        // Warning: Amber
        warning:
          'border-transparent bg-warning/15 text-warning',
        
        // Destructive: Error red
        destructive:
          'border-transparent bg-destructive/15 text-destructive',
        
        // Info: Sky blue
        info:
          'border-transparent bg-info/15 text-info',
        
        // Outline: Bordered
        outline:
          'border-border text-muted-foreground bg-transparent',
        
        // Muted: Subtle
        muted:
          'border-transparent bg-muted text-muted-foreground',
        
        // Gaming: XP Gold style
        gaming:
          'border-[oklch(0.88_0.16_85)] bg-[oklch(0.88_0.16_85_/_0.1)] text-[oklch(0.88_0.16_85)] shadow-[0_0_5px_oklch(0.88_0.16_85_/_0.3)]',
        
        // Nature: Organic green
        nature:
          'border-[oklch(0.55_0.12_145)] bg-[oklch(0.55_0.12_145_/_0.1)] text-[oklch(0.55_0.12_145)]',
        
        // Live: Pulsing indicator
        live:
          'border-destructive bg-destructive/15 text-destructive animate-pulse',
        
        // Premium: Gradient
        premium:
          'border-transparent bg-gradient-to-r from-primary/20 to-secondary/20 text-foreground',
      },
      size: {
        default: 'h-5 text-[10px]',
        sm: 'h-4 text-[9px] px-1.5',
        lg: 'h-6 text-xs px-2.5',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
)

interface BadgeProps
  extends React.ComponentProps<'span'>,
    VariantProps<typeof badgeVariants> {
  asChild?: boolean
  dot?: boolean
  pulse?: boolean
}

function Badge({
  className,
  variant,
  size,
  asChild = false,
  dot = false,
  pulse = false,
  children,
  ...props
}: BadgeProps) {
  const Comp = asChild ? Slot : 'span'

  return (
    <Comp
      data-slot="badge"
      className={cn(badgeVariants({ variant, size }), className)}
      {...props}
    >
      {dot && (
        <span
          className={cn(
            'size-1.5 rounded-full bg-current',
            pulse && 'animate-pulse'
          )}
        />
      )}
      {children}
    </Comp>
  )
}

export { Badge, badgeVariants }