Files
platform/src/workspaces/apps/Chat/InputArea.tsx
T
2026-02-21 15:05:56 +00:00

254 lines
8.3 KiB
TypeScript

import type { KeyboardEvent, RefObject } from 'react';
import { useState, useRef } from 'react';
import { Loader2, Mic, Send, Square } from 'lucide-react';
import { toast } from 'sonner';
import { Button } from '@/components/ui/button';
import type { ModelOption } from '@/state/useModels';
import type { ChatMessage, Attachment } from './types';
import { ModelSelector } from './ModelSelector';
import { AttachmentList } from './AttachmentList';
import { AttachButton } from './AttachButton';
import { WebpageDialog } from './WebpageDialog';
const blobToWav = async (blob: Blob): Promise<Blob> => {
const ctx = new AudioContext();
const buf = await ctx.decodeAudioData(await blob.arrayBuffer());
await ctx.close();
const samples = buf.getChannelData(0);
const len = samples.length;
const sr = buf.sampleRate;
const ab = new ArrayBuffer(44 + len * 2);
const v = new DataView(ab);
const s = (o: number, str: string) => {
for (let i = 0; i < str.length; i++) v.setUint8(o + i, str.charCodeAt(i));
};
s(0, 'RIFF');
v.setUint32(4, 36 + len * 2, true);
s(8, 'WAVE');
s(12, 'fmt ');
v.setUint32(16, 16, true);
v.setUint16(20, 1, true);
v.setUint16(22, 1, true);
v.setUint32(24, sr, true);
v.setUint32(28, sr * 2, true);
v.setUint16(32, 2, true);
v.setUint16(34, 16, true);
s(36, 'data');
v.setUint32(40, len * 2, true);
for (let i = 0; i < len; i++) {
const val = Math.max(-1, Math.min(1, samples[i]!));
v.setInt16(44 + i * 2, val < 0 ? val * 0x8000 : val * 0x7fff, true);
}
return new Blob([ab], { type: 'audio/wav' });
};
type InputAreaProps = {
input: string;
onInputChange: (value: string) => void;
onKeyDown: (ev: KeyboardEvent<HTMLTextAreaElement>) => void;
onSend: () => void;
onStop: () => void;
isGenerating: boolean;
isConnected: boolean;
commandFeedback: string | null;
textareaRef: RefObject<HTMLTextAreaElement | null>;
messages: ChatMessage[];
availableModels: ModelOption[];
selectedModel: string | null;
onModelChange: (modelId: string) => void;
model: string | null;
attachments: Attachment[];
onAttachWebpage: (url: string) => void;
onAttachImage: (file: File) => void;
onRemoveAttachment: (index: number) => void;
};
export const InputArea = ({
input,
onInputChange,
onKeyDown,
onSend,
onStop,
isGenerating,
isConnected,
commandFeedback,
textareaRef,
messages,
availableModels,
selectedModel,
onModelChange,
model,
attachments,
onAttachWebpage,
onAttachImage,
onRemoveAttachment,
}: InputAreaProps) => {
const [urlDialogOpen, setUrlDialogOpen] = useState(false);
const [recording, setRecording] = useState(false);
const [transcribing, setTranscribing] = useState(false);
const mediaRecorderRef = useRef<MediaRecorder | null>(null);
const chunksRef = useRef<Blob[]>([]);
const handleMicClick = async () => {
if (recording) {
const recorder = mediaRecorderRef.current;
if (!recorder) return;
setRecording(false);
try {
if (recorder.state === 'inactive') {
recorder.stream.getTracks().forEach((t) => t.stop());
return;
}
const blob = await new Promise<Blob>((resolve, reject) => {
const timeout = setTimeout(() => reject(new Error('Recording stop timed out')), 5000);
recorder.onstop = () => {
clearTimeout(timeout);
resolve(new Blob(chunksRef.current, { type: recorder.mimeType }));
chunksRef.current = [];
};
recorder.stop();
});
recorder.stream.getTracks().forEach((t) => t.stop());
if (blob.size === 0) {
toast.error('No audio was captured');
return;
}
setTranscribing(true);
try {
const wav = await blobToWav(blob);
const formData = new FormData();
formData.append('file', wav, 'recording.wav');
formData.append('temperature', '0.0');
formData.append('temperature_inc', '0.2');
formData.append('response_format', 'json');
const res = await fetch('http://macmini:8178/inference', { method: 'POST', body: formData });
if (!res.ok) throw new Error(`Whisper returned ${res.status}`);
const json = await res.json();
if (json.error) throw new Error(json.error);
const text = (json.text ?? '').trim();
if (text) onInputChange(input + (input.length > 0 ? ' ' : '') + text);
} finally {
setTranscribing(false);
}
} catch (err) {
recorder.stream?.getTracks().forEach((t) => t.stop());
chunksRef.current = [];
toast.error(err instanceof Error ? err.message : 'Recording failed');
}
return;
}
try {
const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
const recorder = new MediaRecorder(stream);
mediaRecorderRef.current = recorder;
chunksRef.current = [];
recorder.ondataavailable = (ev) => {
if (ev.data.size > 0) chunksRef.current.push(ev.data);
};
recorder.start(250);
setRecording(true);
} catch (err) {
toast.error(err instanceof Error ? err.message : 'Could not access microphone');
}
};
return (
<div className="shrink-0 border-t border-duck-dark/10 bg-background/60 p-2 md:p-3">
{commandFeedback && (
<div className="mb-2 px-3 py-1.5 text-xs text-duck-teal bg-duck-teal/10 rounded-md">{commandFeedback}</div>
)}
<AttachmentList attachments={attachments} onRemove={onRemoveAttachment} />
<div className="flex items-end gap-1 md:gap-2">
<AttachButton
onAttachImage={onAttachImage}
onAttachWebpage={() => setUrlDialogOpen(true)}
/>
<button
type="button"
disabled={transcribing}
onClick={handleMicClick}
className="relative shrink-0 h-7 w-7 md:h-9 md:w-9 flex items-center justify-center rounded-lg text-duck-dark/40 hover:text-duck-dark/70 hover:bg-duck-dark/5 transition-colors cursor-pointer disabled:opacity-40 disabled:cursor-not-allowed"
>
{transcribing ? (
<Loader2 className="h-4 w-4 animate-spin" />
) : recording ? (
<>
<span className="absolute inset-0 rounded-lg animate-ping bg-red-400/30" />
<Square className="h-3.5 w-3.5 text-red-500" />
</>
) : (
<Mic className="h-4 w-4" />
)}
</button>
<textarea
ref={textareaRef}
value={input}
onChange={(ev) => onInputChange(ev.target.value)}
onKeyDown={onKeyDown}
onPaste={(ev) => {
const items = ev.clipboardData?.items;
if (!items) return;
for (const item of Array.from(items)) {
if (item.type.startsWith('image/')) {
ev.preventDefault();
const file = item.getAsFile();
if (file) onAttachImage(file);
return;
}
}
}}
placeholder="Type a message..."
rows={1}
className="min-w-0 flex-1 resize-none rounded-lg border border-duck-dark/20 bg-background/80 px-2 py-1.5 md:px-3 md:py-2 text-base md:text-sm text-duck-dark placeholder:text-duck-dark/30 focus:outline-none focus:ring-2 focus:ring-duck-teal/30 focus:border-duck-teal/50"
/>
{isGenerating ? (
<Button onClick={onStop} variant="destructive" size="icon" className="shrink-0 h-7 w-7 md:h-9 md:w-9 cursor-pointer">
<Square className="h-4 w-4" />
</Button>
) : (
<Button
onClick={onSend}
disabled={!input.trim() || !isConnected}
size="icon"
className="shrink-0 h-7 w-7 md:h-9 md:w-9 bg-duck-teal hover:bg-duck-teal/90 cursor-pointer disabled:opacity-40"
>
<Send className="h-4 w-4" />
</Button>
)}
</div>
<ModelSelector
messages={messages}
availableModels={availableModels}
selectedModel={selectedModel}
onModelChange={onModelChange}
model={model}
isConnected={isConnected}
isGenerating={isGenerating}
/>
<WebpageDialog
open={urlDialogOpen}
onOpenChange={setUrlDialogOpen}
onSubmit={onAttachWebpage}
/>
</div>
);
};