agent_backend/components/ui/message.tsx

import * as React from 'react';

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

function MessageGroup({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="message-group"
      className={cn('gap-2 flex min-w-0 flex-col', className)}
      {...props}
    />
  );
}

function Message({
  className,
  align = 'start',
  ...props
}: React.ComponentProps<'div'> & { align?: 'start' | 'end' }) {
  return (
    <div
      data-slot="message"
      data-align={align}
      className={cn(
        'text-sm gap-2 group/message relative flex w-full min-w-0 data-[align=end]:flex-row-reverse',
        className,
      )}
      {...props}
    />
  );
}

function MessageAvatar({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="message-avatar"
      className={cn(
        'min-w-8 group-has-data-[slot=message-footer]/message:-translate-y-8 flex w-fit shrink-0 items-center justify-center self-end overflow-hidden rounded-full bg-muted',
        className,
      )}
      {...props}
    />
  );
}

function MessageContent({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="message-content"
      className={cn(
        'gap-2.5 group-data-[align=end]/message:*:data-slot:self-end flex w-full min-w-0 flex-col wrap-break-word',
        className,
      )}
      {...props}
    />
  );
}

function MessageHeader({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="message-header"
      className={cn(
        'text-xs font-medium text-muted-foreground px-3 group-has-data-[variant=ghost]/message:px-0 flex max-w-full min-w-0 items-center',
        className,
      )}
      {...props}
    />
  );
}

function MessageFooter({ className, ...props }: React.ComponentProps<'div'>) {
  return (
    <div
      data-slot="message-footer"
      className={cn(
        'text-xs font-medium text-muted-foreground px-3 group-has-data-[variant=ghost]/message:px-0 flex max-w-full min-w-0 items-center group-data-[align=end]/message:justify-end',
        className,
      )}
      {...props}
    />
  );
}

export {
  MessageGroup,
  Message,
  MessageAvatar,
  MessageContent,
  MessageFooter,
  MessageHeader,
};