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import { Button } from '@/components/ui/button';
import { cn } from '@/lib/utils';
import { ArrowDownIcon } from 'lucide-react';
import type { ComponentProps } from 'react';
import { useCallback } from 'react';
import { StickToBottom, useStickToBottomContext } from 'use-stick-to-bottom';
export type ConversationProps = ComponentProps<typeof StickToBottom>;
export const Conversation = ({ className, ...props }: ConversationProps) => (
<StickToBottom
className={cn('relative flex-1 overflow-y-hidden', className)}
initial="smooth"
resize="smooth"
role="log"
{...props}
/>
);
export type ConversationContentProps = ComponentProps<typeof StickToBottom.Content>;
export const ConversationContent = ({ className, ...props }: ConversationContentProps) => (
<StickToBottom.Content className={cn('flex flex-col gap-8 p-4', className)} {...props} />
);
export type ConversationEmptyStateProps = ComponentProps<'div'> & {
title?: string;
description?: string;
icon?: React.ReactNode;
};
export const ConversationEmptyState = ({
className,
title = 'No messages yet',
description = 'Start a conversation to see messages here',
icon,
children,
...props
}: ConversationEmptyStateProps) => (
<div
className={cn(
'flex size-full flex-col items-center justify-center gap-3 p-8 text-center',
className,
)}
{...props}
>
{children ?? (
<>
{icon && <div className="text-muted-foreground">{icon}</div>}
<div className="space-y-1">
<h3 className="font-medium text-sm">{title}</h3>
{description && <p className="text-muted-foreground text-sm">{description}</p>}
</div>
</>
)}
</div>
);
export type ConversationScrollButtonProps = ComponentProps<typeof Button>;
export const ConversationScrollButton = ({
className,
...props
}: ConversationScrollButtonProps) => {
const { isAtBottom, scrollToBottom } = useStickToBottomContext();
const handleScrollToBottom = useCallback(() => {
scrollToBottom();
}, [scrollToBottom]);
return (
!isAtBottom && (
<Button
className={cn('absolute bottom-4 left-[50%] translate-x-[-50%] rounded-full', className)}
onClick={handleScrollToBottom}
size="icon"
type="button"
variant="outline"
{...props}
>
<ArrowDownIcon className="size-4" />
</Button>
)
);
};
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