import type { VariantProps } from 'class-variance-authority';
import { cva } from 'class-variance-authority';
import * as React from 'react';

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

const alertVariants = cva(
  'relative w-full rounded-lg p-4 [&>svg]:absolute [&>svg]:text-foreground [&>svg]:left-4 [&>svg]:top-4 [&>svg+div]:translate-y-[-3px] [&>svg~*]:pl-8',
  {
    variants: {
      variant: {
        default: 'bg-green-50 text-green-700 [&_.alert-title]:text-green-800 [&>svg]:text-green-400',
        neutral: 'bg-muted/50 text-muted-foreground [&_.alert-title]:text-foreground',
        secondary: 'bg-blue-50 text-blue-700 [&_.alert-title]:text-blue-800 [&>svg]:text-blue-400',
        destructive: 'bg-red-50 text-red-700 [&_.alert-title]:text-red-800 [&>svg]:text-red-400',
        warning: 'bg-yellow-50 text-yellow-700 [&_.alert-title]:text-yellow-800 [&>svg]:text-yellow-400',
      },
      padding: {
        tighter: 'p-2',
        tight: 'px-4 py-2',
        default: 'p-4',
      },
    },
    defaultVariants: {
      variant: 'default',
      padding: 'default',
    },
  },
);

const Alert = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
>(({ className, variant, padding, ...props }, ref) => (
  <div ref={ref} role="alert" className={cn('space-y-2', alertVariants({ variant, padding }), className)} {...props} />
));

Alert.displayName = 'Alert';

const AlertTitle = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLHeadingElement>>(
  ({ className, ...props }, ref) => (
    <h5 ref={ref} className={cn('alert-title font-medium text-base', className)} {...props} />
  ),
);

AlertTitle.displayName = 'AlertTitle';

const AlertDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
  ({ className, ...props }, ref) => <div ref={ref} className={cn('text-sm', className)} {...props} />,
);

AlertDescription.displayName = 'AlertDescription';

export { Alert, AlertDescription, AlertTitle };
