import * as React from 'react';
import { cva, type VariantProps } from '@/lib/cva';

import { cn } from '@/lib/utils';

const alertVariants = cva(
  cn(
    'relative grid w-full grid-cols-[0_1fr] items-start gap-y-0.5 rounded-lg border px-4 py-3 text-sm',
    'has-[>svg]:grid-cols-[calc(var(--spacing)*4)_1fr] has-[>svg]:gap-x-3',
    '[&>svg]:size-4 [&>svg]:translate-y-0.5 [&>svg]:text-current'
  ),
  {
    variants: {
      variant: {
        default: 'bg-card text-card-foreground',
        destructive:
          'bg-card text-destructive *:data-[slot=alert-description]:text-destructive/90',
        success: 'bg-card text-success *:data-[slot=alert-description]:text-success/90',
        warning: 'bg-card text-warning *:data-[slot=alert-description]:text-warning/90',
      },
    },
    defaultVariants: {
      variant: 'default',
    },
  }
);

export interface AlertProps
  extends React.ComponentProps<'div'>,
    VariantProps<typeof alertVariants> {}

/**
 * Inline message about the state of the page or a section of it.
 *
 * Carries `role="alert"`, so screen readers announce it as soon as it appears —
 * do not use it for static explanatory copy.
 */
function Alert({ className, variant, ...props }: AlertProps) {
  return (
    <div
      data-slot="alert"
      role="alert"
      className={cn(alertVariants({ variant }), className)}
      {...props}
    />
  );
}

function AlertTitle({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="alert-title"
      className={cn('col-start-2 line-clamp-1 min-h-4 font-medium tracking-tight', className)}
      {...props}
    />
  );
}

function AlertDescription({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="alert-description"
      className={cn(
        'col-start-2 grid justify-items-start gap-1 text-sm text-muted-foreground [&_p]:leading-relaxed',
        className
      )}
      {...props}
    />
  );
}

export { Alert, AlertTitle, AlertDescription, alertVariants };