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181'use client';
import { useEffect, useRef, useState } from 'react';
import { useUIState, useActions, useAIState } from 'ai/rsc';
import { UserMessage } from '@/components/llm-stocks/message';
import { type AI } from './action';
import { ChatScrollAnchor } from '@/lib/hooks/chat-scroll-anchor';
import { FooterText } from '@/components/footer';
import Textarea from 'react-textarea-autosize';
import { useEnterSubmit } from '@/lib/hooks/use-enter-submit';
import {
Tooltip,
TooltipContent,
TooltipTrigger,
} from '@/components/ui/tooltip';
import { IconArrowElbow, IconPlus } from '@/components/ui/icons';
import { Button } from '@/components/ui/button';
import { ChatList } from '@/components/chat-list';
import { EmptyScreen } from '@/components/empty-screen';
import { toast } from '@/components/ui/use-toast';
export default function Page() {
const [messages, setMessages] = useUIState<typeof AI>();
const { submitUserMessage } = useActions<typeof AI>();
const [inputValue, setInputValue] = useState('');
const { formRef, onKeyDown } = useEnterSubmit();
const inputRef = useRef<HTMLTextAreaElement>(null);
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if (e.key === '/') {
if (
e.target &&
['INPUT', 'TEXTAREA'].includes((e.target as any).nodeName)
) {
return;
}
e.preventDefault();
e.stopPropagation();
if (inputRef?.current) {
inputRef.current.focus();
}
}
};
document.addEventListener('keydown', handleKeyDown);
return () => {
document.removeEventListener('keydown', handleKeyDown);
};
}, [inputRef]);
return (
<div>
<div className="pb-[200px] pt-4 md:pt-10">
{messages.length ? (
<>
<ChatList messages={messages} />
</>
) : (
<EmptyScreen
submitMessage={async message => {
// Add user message UI
setMessages(currentMessages => [
...currentMessages,
{
id: Date.now(),
display: <UserMessage>{message}</UserMessage>,
},
]);
// Submit and get response message
const responseMessage = await submitUserMessage(message);
setMessages(currentMessages => [
...currentMessages,
responseMessage,
]);
}}
/>
)}
<ChatScrollAnchor trackVisibility={true} />
</div>
<div className="fixed inset-x-0 bottom-0 w-full bg-gradient-to-b from-muted/30 from-0% to-muted/30 to-50% duration-300 ease-in-out animate-in dark:from-background/10 dark:from-10% dark:to-background/80 peer-[[data-state=open]]:group-[]:lg:pl-[250px] peer-[[data-state=open]]:group-[]:xl:pl-[300px]">
<div className="mx-auto sm:max-w-2xl sm:px-4">
<div className="px-4 py-2 space-y-4 border-t shadow-lg bg-background sm:rounded-t-xl sm:border md:py-4">
<form
ref={formRef}
onSubmit={async (e: any) => {
e.preventDefault();
// Blur focus on mobile
if (window.innerWidth < 600) {
e.target['message']?.blur();
}
const value = inputValue.trim();
setInputValue('');
if (!value) return;
// Add user message UI
setMessages(currentMessages => [
...currentMessages,
{
id: Date.now(),
display: <UserMessage>{value}</UserMessage>,
},
]);
try {
// Submit and get response message
const responseMessage = await submitUserMessage(value);
setMessages(currentMessages => [
...currentMessages,
responseMessage,
]);
} catch (error) {
// You may want to show a toast or trigger an error state.
console.error(error);
}
}}
>
<div className="relative flex flex-col w-full px-8 overflow-hidden max-h-60 grow bg-background sm:rounded-md sm:border sm:px-12">
<Tooltip>
<TooltipTrigger asChild>
<Button
variant="outline"
size="icon"
className="absolute left-0 w-8 h-8 p-0 rounded-full top-4 bg-background sm:left-4"
onClick={e => {
e.preventDefault();
window.location.reload();
}}
>
<IconPlus />
<span className="sr-only">New Chat</span>
</Button>
</TooltipTrigger>
<TooltipContent>New Chat</TooltipContent>
</Tooltip>
<Textarea
ref={inputRef}
tabIndex={0}
onKeyDown={onKeyDown}
placeholder="Send a message."
className="min-h-[60px] w-full resize-none bg-transparent px-4 py-[1.3rem] focus-within:outline-none sm:text-sm"
autoFocus
spellCheck={false}
autoComplete="off"
autoCorrect="off"
name="message"
rows={1}
value={inputValue}
onChange={e => setInputValue(e.target.value)}
/>
<div className="absolute right-0 top-4 sm:right-4">
<Tooltip>
<TooltipTrigger asChild>
<Button
type="submit"
size="icon"
disabled={inputValue === ''}
>
<IconArrowElbow />
<span className="sr-only">Send message</span>
</Button>
</TooltipTrigger>
<TooltipContent>Send message</TooltipContent>
</Tooltip>
</div>
</div>
</form>
<FooterText className="hidden sm:block" />
</div>
</div>
</div>
</div>
);
}