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Xin Wang
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import React, { useState, useEffect, useRef } from 'react';
import { Plus, Search, Play, Copy, Trash2, Edit2, Mic, MessageSquare, Save, Video, PhoneOff, Camera, ArrowLeftRight, Send, Phone, MoreHorizontal, Rocket, AlertTriangle } from 'lucide-react';
import { Button, Input, Card, Badge, Drawer, Dialog } from '../components/UI';
import { mockAssistants, mockKnowledgeBases } from '../services/mockData';
import { Assistant, TabValue } from '../types';
import { GoogleGenAI } from "@google/genai";
export const AssistantsPage: React.FC = () => {
const [assistants, setAssistants] = useState<Assistant[]>(mockAssistants);
const [searchTerm, setSearchTerm] = useState('');
const [selectedId, setSelectedId] = useState<string | null>(null);
const [activeTab, setActiveTab] = useState<TabValue>(TabValue.GLOBAL);
const [debugOpen, setDebugOpen] = useState(false);
const [hotwordInput, setHotwordInput] = useState('');
// State for delete confirmation dialog
const [deleteId, setDeleteId] = useState<string | null>(null);
const selectedAssistant = assistants.find(a => a.id === selectedId) || null;
const filteredAssistants = assistants.filter(a =>
a.name.toLowerCase().includes(searchTerm.toLowerCase())
);
const handleCreate = () => {
const newId = Date.now().toString();
const newAssistant: Assistant = {
id: newId,
name: 'New Assistant',
callCount: 0,
opener: '',
prompt: '',
knowledgeBaseId: '',
language: 'zh',
voice: 'default',
speed: 1,
hotwords: []
};
setAssistants([...assistants, newAssistant]);
setSelectedId(newId);
};
const handleCopy = (e: React.MouseEvent, assistant: Assistant) => {
e.stopPropagation();
const newAssistant = { ...assistant, id: Date.now().toString(), name: `${assistant.name} (Copy)` };
setAssistants([...assistants, newAssistant]);
};
const handleDeleteClick = (e: React.MouseEvent, id: string) => {
e.stopPropagation();
setDeleteId(id);
};
const confirmDelete = () => {
if (deleteId) {
setAssistants(prev => prev.filter(a => a.id !== deleteId));
if (selectedId === deleteId) setSelectedId(null);
setDeleteId(null);
}
};
const updateAssistant = (field: keyof Assistant, value: any) => {
if (!selectedId) return;
setAssistants(prev => prev.map(a => a.id === selectedId ? { ...a, [field]: value } : a));
};
const addHotword = () => {
if (hotwordInput.trim() && selectedAssistant) {
updateAssistant('hotwords', [...selectedAssistant.hotwords, hotwordInput.trim()]);
setHotwordInput('');
}
};
const removeHotword = (word: string) => {
if (selectedAssistant) {
updateAssistant('hotwords', selectedAssistant.hotwords.filter(w => w !== word));
}
};
return (
<div className="flex h-[calc(100vh-6rem)] gap-6 animate-in fade-in">
{/* LEFT COLUMN: List */}
<div className="w-80 flex flex-col gap-4 shrink-0">
<div className="flex items-center justify-between px-1">
<h2 className="text-xl font-bold tracking-tight"></h2>
</div>
<div className="flex gap-2">
<div className="relative flex-1">
<Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
<Input
placeholder="搜索..."
className="pl-9 bg-card/50 border-white/5"
value={searchTerm}
onChange={(e) => setSearchTerm(e.target.value)}
/>
</div>
<Button size="icon" onClick={handleCreate} title="新建小助手">
<Plus className="h-5 w-5" />
</Button>
</div>
<div className="flex-1 overflow-y-auto space-y-2 pr-1 custom-scrollbar">
{filteredAssistants.map(assistant => (
<div
key={assistant.id}
onClick={() => setSelectedId(assistant.id)}
className={`group relative flex flex-col p-4 rounded-xl border transition-all cursor-pointer ${
selectedId === assistant.id
? 'bg-primary/10 border-primary/40 shadow-[0_0_15px_rgba(6,182,212,0.15)]'
: 'bg-card/30 border-white/5 hover:bg-white/5 hover:border-white/10'
}`}
>
<div className="flex justify-between items-start mb-2">
<span className={`font-semibold truncate pr-6 ${selectedId === assistant.id ? 'text-primary' : 'text-foreground'}`}>
{assistant.name}
</span>
</div>
<div className="flex items-center text-xs text-muted-foreground">
<Phone className="h-3 w-3 mr-1.5 opacity-70" />
<span>{assistant.callCount} </span>
</div>
{/* Hover Actions */}
<div className="absolute right-2 top-2 flex space-x-1 opacity-0 group-hover:opacity-100 transition-opacity bg-background/50 backdrop-blur-sm rounded-lg p-0.5">
<Button variant="ghost" size="icon" className="h-7 w-7" onClick={(e) => handleCopy(e, assistant)} title="复制">
<Copy className="h-3.5 w-3.5" />
</Button>
<Button variant="ghost" size="icon" className="h-7 w-7 text-destructive hover:text-destructive" onClick={(e) => handleDeleteClick(e, assistant.id)} title="删除">
<Trash2 className="h-3.5 w-3.5" />
</Button>
</div>
</div>
))}
{filteredAssistants.length === 0 && (
<div className="text-center py-10 text-muted-foreground text-sm">
</div>
)}
</div>
</div>
{/* RIGHT COLUMN: Config Panel */}
<div className="flex-1 bg-card/20 backdrop-blur-sm border border-white/5 rounded-2xl overflow-hidden flex flex-col relative shadow-xl">
{selectedAssistant ? (
<>
{/* Header Area */}
<div className="p-6 border-b border-white/5 bg-white/[0.02] space-y-4">
{/* Row 1: Name and Actions - Aligned with items-end */}
<div className="flex items-end justify-between gap-4">
<div className="flex-1">
<label className="text-xs text-muted-foreground font-mono mb-2 block ml-1">ASSISTANT NAME</label>
<Input
value={selectedAssistant.name}
onChange={(e) => updateAssistant('name', e.target.value)}
className="font-bold bg-white/5 border-white/10 focus:border-primary/50 text-base"
/>
</div>
<div className="flex items-center space-x-2">
<Button
variant="secondary"
onClick={() => setDebugOpen(true)}
className="border border-primary/20 hover:border-primary/50 text-primary hover:text-primary hover:bg-primary/10 shadow-[0_0_15px_rgba(6,182,212,0.1)]"
>
<Play className="mr-2 h-4 w-4" />
</Button>
<Button
onClick={() => alert("发布成功!")}
className="shadow-[0_0_20px_rgba(6,182,212,0.3)]"
>
<Rocket className="mr-2 h-4 w-4" />
</Button>
</div>
</div>
{/* Row 2: Tabs */}
<div className="flex bg-white/5 p-1 rounded-lg w-fit">
<button
onClick={() => setActiveTab(TabValue.GLOBAL)}
className={`px-6 py-1.5 text-sm font-medium rounded-md transition-all ${activeTab === TabValue.GLOBAL ? 'bg-primary text-primary-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground hover:bg-white/5'}`}
>
</button>
<button
onClick={() => setActiveTab(TabValue.VOICE)}
className={`px-6 py-1.5 text-sm font-medium rounded-md transition-all ${activeTab === TabValue.VOICE ? 'bg-primary text-primary-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground hover:bg-white/5'}`}
>
</button>
</div>
</div>
{/* Content Scroll Area */}
<div className="flex-1 overflow-y-auto p-8 custom-scrollbar">
<div className="max-w-4xl mx-auto space-y-8 animate-in slide-in-from-bottom-2 duration-300">
{activeTab === TabValue.GLOBAL ? (
<div className="space-y-6">
<div className="space-y-2">
<label className="text-sm font-medium text-foreground flex items-center">
<MessageSquare className="w-4 h-4 mr-2 text-primary"/> (Opener)
</label>
<Input
value={selectedAssistant.opener}
onChange={(e) => updateAssistant('opener', e.target.value)}
placeholder="例如您好我是您的专属AI助手..."
className="bg-white/5 border-white/10 focus:border-primary/50"
/>
<p className="text-xs text-muted-foreground"></p>
</div>
<div className="space-y-2">
<label className="text-sm font-medium text-foreground flex items-center">
<BotIcon className="w-4 h-4 mr-2 text-primary"/> (Prompt)
</label>
<textarea
className="flex min-h-[200px] w-full rounded-xl border border-white/10 bg-white/5 px-4 py-3 text-sm shadow-sm placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-primary/50 resize-y"
value={selectedAssistant.prompt}
onChange={(e) => updateAssistant('prompt', e.target.value)}
placeholder="设定小助手的人设、语气、行为规范以及业务逻辑..."
/>
</div>
<div className="space-y-2">
<label className="text-sm font-medium text-foreground"></label>
<select
className="flex h-10 w-full rounded-md border border-white/10 bg-white/5 px-3 py-1 text-sm shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-primary/50 [&>option]:bg-card text-foreground"
value={selectedAssistant.knowledgeBaseId}
onChange={(e) => updateAssistant('knowledgeBaseId', e.target.value)}
>
<option value="">使</option>
{mockKnowledgeBases.map(kb => (
<option key={kb.id} value={kb.id}>{kb.name}</option>
))}
</select>
</div>
</div>
) : (
<div className="space-y-8">
<div className="grid grid-cols-2 gap-6">
<div className="space-y-2">
<label className="text-sm font-medium text-foreground"> (Language)</label>
<select
className="flex h-10 w-full rounded-md border border-white/10 bg-white/5 px-3 py-1 text-sm shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-primary/50 [&>option]:bg-card text-foreground"
value={selectedAssistant.language}
onChange={(e) => updateAssistant('language', e.target.value)}
>
<option value="zh"> (Chinese)</option>
<option value="en"> (English)</option>
</select>
</div>
<div className="space-y-2">
<label className="text-sm font-medium text-foreground"> (Voice)</label>
<select
className="flex h-10 w-full rounded-md border border-white/10 bg-white/5 px-3 py-1 text-sm shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-primary/50 [&>option]:bg-card text-foreground"
value={selectedAssistant.voice}
onChange={(e) => updateAssistant('voice', e.target.value)}
>
<option value="default"> (Default)</option>
<option value="alloy">Alloy</option>
<option value="echo">Echo</option>
<option value="fable">Fable</option>
<option value="onyx">Onyx</option>
<option value="nova">Nova</option>
<option value="shimmer">Shimmer</option>
</select>
</div>
</div>
<div className="space-y-4 p-4 rounded-xl border border-white/5 bg-white/[0.02]">
<div className="flex justify-between items-center">
<label className="text-sm font-medium text-foreground"> (Speed)</label>
<span className="text-sm font-mono text-primary bg-primary/10 px-2 py-0.5 rounded">{selectedAssistant.speed}x</span>
</div>
<input
type="range"
min="0.5"
max="2.0"
step="0.1"
value={selectedAssistant.speed}
onChange={(e) => updateAssistant('speed', parseFloat(e.target.value))}
className="w-full h-2 bg-secondary rounded-lg appearance-none cursor-pointer accent-primary"
/>
<div className="flex justify-between text-xs text-muted-foreground">
<span>0.5x (Slow)</span>
<span>1.0x (Normal)</span>
<span>2.0x (Fast)</span>
</div>
</div>
<div className="space-y-3">
<label className="text-sm font-medium text-foreground flex items-center">
<Mic className="w-4 h-4 mr-2 text-primary"/> ASR (Hotwords)
</label>
<div className="flex space-x-2">
<Input
value={hotwordInput}
onChange={(e) => setHotwordInput(e.target.value)}
placeholder="输入专有名词或高频词汇..."
onKeyDown={(e) => e.key === 'Enter' && addHotword()}
className="bg-white/5 border-white/10"
/>
<Button variant="secondary" onClick={addHotword}></Button>
</div>
<div className="flex flex-wrap gap-2 min-h-[40px] p-2 rounded-lg border border-dashed border-white/10">
{selectedAssistant.hotwords.length === 0 && (
<span className="text-xs text-muted-foreground py-1"></span>
)}
{selectedAssistant.hotwords.map((word, idx) => (
<Badge key={idx} variant="outline">
{word}
<button onClick={() => removeHotword(word)} className="ml-2 hover:text-destructive transition-colors">×</button>
</Badge>
))}
</div>
<p className="text-xs text-muted-foreground"></p>
</div>
</div>
)}
</div>
</div>
</>
) : (
<div className="flex-1 flex flex-col items-center justify-center text-muted-foreground">
<div className="w-16 h-16 rounded-2xl bg-white/5 flex items-center justify-center mb-4">
<BotIcon className="h-8 w-8 opacity-50" />
</div>
<p className="text-lg font-medium"></p>
<p className="text-sm opacity-60"></p>
</div>
)}
</div>
{selectedAssistant && (
<DebugDrawer
isOpen={debugOpen}
onClose={() => setDebugOpen(false)}
assistant={selectedAssistant}
/>
)}
{/* Delete Confirmation Dialog */}
<Dialog
isOpen={!!deleteId}
onClose={() => setDeleteId(null)}
title="确认删除"
footer={
<>
<Button variant="ghost" onClick={() => setDeleteId(null)}></Button>
<Button variant="destructive" onClick={confirmDelete}></Button>
</>
}
>
<div className="flex items-center space-x-4">
<div className="p-3 bg-destructive/10 rounded-full">
<AlertTriangle className="h-6 w-6 text-destructive" />
</div>
<div>
<p className="text-sm text-foreground">
</p>
{deleteId && (
<p className="text-xs text-muted-foreground mt-1">
: {assistants.find(a => a.id === deleteId)?.name}
</p>
)}
</div>
</div>
</Dialog>
</div>
);
};
// Icon helper
const BotIcon = ({className}: {className?: string}) => (
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" className={className}>
<path d="M12 8V4H8" />
<rect width="16" height="12" x="4" y="8" rx="2" />
<path d="M2 14h2" />
<path d="M20 14h2" />
<path d="M15 13v2" />
<path d="M9 13v2" />
</svg>
);
// --- Debug Drawer Component ---
const DebugDrawer: React.FC<{ isOpen: boolean; onClose: () => void; assistant: Assistant }> = ({ isOpen, onClose, assistant }) => {
const [mode, setMode] = useState<'text' | 'voice' | 'video'>('text');
const [messages, setMessages] = useState<{role: 'user' | 'model', text: string}[]>([]);
const [inputText, setInputText] = useState('');
const [isLoading, setIsLoading] = useState(false);
// Media State
const videoRef = useRef<HTMLVideoElement>(null);
const streamRef = useRef<MediaStream | null>(null);
const scrollRef = useRef<HTMLDivElement>(null);
const [devices, setDevices] = useState<MediaDeviceInfo[]>([]);
const [selectedCamera, setSelectedCamera] = useState<string>('');
const [selectedMic, setSelectedMic] = useState<string>('');
const [isSwapped, setIsSwapped] = useState(false); // False: AI is Big, Local is Small. True: Local is Big, AI is Small.
// Initialize with opener
useEffect(() => {
if (isOpen) {
setMessages([{ role: 'model', text: assistant.opener || "Hello!" }]);
} else {
// Reset and stop media when closed
setMode('text');
stopMedia();
setIsSwapped(false);
}
}, [isOpen, assistant]);
// Auto-scroll logic
useEffect(() => {
if (scrollRef.current) {
scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
}
}, [messages, mode]);
// Fetch Devices
useEffect(() => {
if (isOpen && mode === 'video') {
const getDevices = async () => {
try {
await navigator.mediaDevices.getUserMedia({ audio: true, video: true });
const dev = await navigator.mediaDevices.enumerateDevices();
setDevices(dev);
const cams = dev.filter(d => d.kind === 'videoinput');
const mics = dev.filter(d => d.kind === 'audioinput');
if (cams.length > 0 && !selectedCamera) setSelectedCamera(cams[0].deviceId);
if (mics.length > 0 && !selectedMic) setSelectedMic(mics[0].deviceId);
} catch (e) {
console.error("Error enumerating devices", e);
}
};
getDevices();
}
}, [isOpen, mode]);
// Handle Video/Media stream
const stopMedia = () => {
if (streamRef.current) {
streamRef.current.getTracks().forEach(track => track.stop());
streamRef.current = null;
}
};
useEffect(() => {
const handleStream = async () => {
if (isOpen && mode === 'video') {
try {
stopMedia();
const constraints = {
video: selectedCamera ? { deviceId: { exact: selectedCamera } } : true,
audio: selectedMic ? { deviceId: { exact: selectedMic } } : true
};
const stream = await navigator.mediaDevices.getUserMedia(constraints);
streamRef.current = stream;
if (videoRef.current) {
videoRef.current.srcObject = stream;
}
} catch (err) {
console.error("Failed to access camera/mic:", err);
}
} else {
stopMedia();
}
};
handleStream();
return () => stopMedia();
}, [mode, isOpen, selectedCamera, selectedMic]);
const handleSend = async () => {
if (!inputText.trim()) return;
const userMsg = inputText;
setMessages(prev => [...prev, { role: 'user', text: userMsg }]);
setInputText('');
setIsLoading(true);
try {
if (process.env.API_KEY) {
const ai = new GoogleGenAI({ apiKey: process.env.API_KEY });
const chat = ai.chats.create({
model: "gemini-3-flash-preview",
config: { systemInstruction: assistant.prompt },
history: messages.map(m => ({ role: m.role, parts: [{ text: m.text }] }))
});
const result = await chat.sendMessage({ message: userMsg });
setMessages(prev => [...prev, { role: 'model', text: result.text || '' }]);
} else {
setTimeout(() => {
setMessages(prev => [...prev, { role: 'model', text: `[Mock Response]: Received "${userMsg}"` }]);
setIsLoading(false);
}, 1000);
}
} catch (e) {
console.error(e);
setMessages(prev => [...prev, { role: 'model', text: "Error: Failed to connect to AI service." }]);
} finally {
setIsLoading(false);
}
};
const handleClose = () => {
stopMedia();
onClose();
};
// Reusable Messages List Component
const TranscriptionLog = () => (
<div ref={scrollRef} className="flex-1 overflow-y-auto space-y-4 p-2 border border-white/5 rounded-md bg-black/20 min-h-0">
{messages.length === 0 && <div className="text-center text-muted-foreground text-xs py-4"></div>}
{messages.map((m, i) => (
<div key={i} className={`flex ${m.role === 'user' ? 'justify-end' : 'justify-start'}`}>
<div className={`max-w-[85%] rounded-lg px-3 py-2 text-sm ${m.role === 'user' ? 'bg-primary text-primary-foreground' : 'bg-card border border-white/10 shadow-sm text-foreground'}`}>
<span className="text-[10px] opacity-70 block mb-0.5 uppercase tracking-wider">{m.role === 'user' ? 'Me' : 'AI'}</span>
{m.text}
</div>
</div>
))}
{isLoading && <div className="text-xs text-muted-foreground ml-2 animate-pulse">Thinking...</div>}
</div>
);
// Helper to render the Local Video Element
const renderLocalVideo = (isSmall: boolean) => (
<div className={`relative w-full h-full bg-black overflow-hidden ${isSmall ? 'rounded-lg border border-white/20 shadow-lg' : ''}`}>
<video
ref={videoRef}
autoPlay
muted
playsInline
className="w-full h-full object-cover transform scale-x-[-1]"
/>
<div className="absolute top-2 left-2 bg-black/50 px-2 py-0.5 rounded text-[10px] text-white/80">
Me
</div>
</div>
);
// Helper to render the "Remote" AI Video Element (Simulated)
const renderRemoteVideo = (isSmall: boolean) => (
<div className={`relative w-full h-full bg-slate-900 overflow-hidden flex flex-col items-center justify-center ${isSmall ? 'rounded-lg border border-white/20 shadow-lg' : ''}`}>
<div className="relative flex items-center justify-center">
<div className={`rounded-full bg-primary/20 animate-pulse ${isSmall ? 'w-16 h-16' : 'w-32 h-32'}`}></div>
<div className={`absolute rounded-full bg-primary/40 animate-ping ${isSmall ? 'w-12 h-12' : 'w-24 h-24'}`}></div>
<div className={`absolute rounded-full bg-primary flex items-center justify-center shadow-[0_0_30px_hsl(var(--primary))] ${isSmall ? 'w-12 h-12' : 'w-24 h-24'}`}>
<Video className={`${isSmall ? 'w-6 h-6' : 'w-10 h-10'} text-primary-foreground`} />
</div>
</div>
{!isSmall && (
<div className="mt-4 font-mono text-primary animate-pulse text-sm">
{assistant.name}
</div>
)}
</div>
);
return (
<Drawer isOpen={isOpen} onClose={handleClose} title={`调试: ${assistant.name}`}>
<div className="flex flex-col h-full">
{/* Mode Toggle */}
<div className="flex justify-center mb-4 bg-white/5 p-1 rounded-lg shrink-0">
<button
className={`flex-1 py-1 text-sm rounded-md transition-all ${mode === 'text' ? 'bg-primary text-primary-foreground shadow' : 'text-muted-foreground hover:bg-white/5'}`}
onClick={() => setMode('text')}
>
<MessageSquare className="inline w-4 h-4 mr-1"/>
</button>
<button
className={`flex-1 py-1 text-sm rounded-md transition-all ${mode === 'voice' ? 'bg-primary text-primary-foreground shadow' : 'text-muted-foreground hover:bg-white/5'}`}
onClick={() => setMode('voice')}
>
<Mic className="inline w-4 h-4 mr-1"/>
</button>
<button
className={`flex-1 py-1 text-sm rounded-md transition-all ${mode === 'video' ? 'bg-primary text-primary-foreground shadow' : 'text-muted-foreground hover:bg-white/5'}`}
onClick={() => setMode('video')}
>
<Video className="inline w-4 h-4 mr-1"/>
</button>
</div>
{/* Content Area */}
<div className="flex-1 overflow-hidden flex flex-col min-h-0 mb-4 gap-2">
{mode === 'text' && <TranscriptionLog />}
{mode === 'voice' && (
<div className="flex flex-col h-full">
{/* Visualizer Area */}
<div className="h-1/3 min-h-[150px] shrink-0 border border-white/5 rounded-md bg-black/20 flex flex-col items-center justify-center text-muted-foreground space-y-4 mb-2 relative overflow-hidden">
<div className="absolute inset-0 bg-gradient-to-b from-transparent to-black/20 pointer-events-none"></div>
<div className="h-24 w-24 rounded-full bg-primary/10 flex items-center justify-center animate-pulse relative z-10">
<Mic className="h-10 w-10 text-primary" />
</div>
<p className="text-sm relative z-10">...</p>
</div>
{/* Transcript */}
<h4 className="text-xs font-medium text-muted-foreground px-1"> / Live Transcription</h4>
<TranscriptionLog />
</div>
)}
{mode === 'video' && (
<div className="flex flex-col h-full space-y-2">
{/* Video Area (Top) */}
<div className="h-3/5 shrink-0 flex flex-col gap-2">
{/* Device Settings Bar */}
<div className="flex gap-2 shrink-0">
<div className="flex-1">
<select
className="w-full text-xs bg-white/5 border border-white/10 rounded px-2 py-1.5 focus:outline-none focus:border-primary/50 text-foreground"
value={selectedCamera}
onChange={(e) => setSelectedCamera(e.target.value)}
>
{devices.filter(d => d.kind === 'videoinput').map(d => (
<option key={d.deviceId} value={d.deviceId}>{d.label || `Camera...`}</option>
))}
</select>
</div>
<div className="flex-1">
<select
className="w-full text-xs bg-white/5 border border-white/10 rounded px-2 py-1.5 focus:outline-none focus:border-primary/50 text-foreground"
value={selectedMic}
onChange={(e) => setSelectedMic(e.target.value)}
>
{devices.filter(d => d.kind === 'audioinput').map(d => (
<option key={d.deviceId} value={d.deviceId}>{d.label || `Mic...`}</option>
))}
</select>
</div>
</div>
{/* Video Container (PiP) */}
<div className="flex-1 relative rounded-lg overflow-hidden border border-white/10 bg-black min-h-0">
{/* Main Window */}
<div className="absolute inset-0">
{isSwapped ? renderLocalVideo(false) : renderRemoteVideo(false)}
</div>
{/* Small Window */}
<div className="absolute bottom-2 right-2 w-24 h-36 z-10 transition-all duration-300">
{isSwapped ? renderRemoteVideo(true) : renderLocalVideo(true)}
</div>
{/* Swap Button */}
<div className="absolute top-2 right-2 z-20">
<Button
variant="secondary"
size="icon"
className="rounded-full h-7 w-7 bg-black/50 hover:bg-primary/80 backdrop-blur text-white border border-white/20"
onClick={() => setIsSwapped(!isSwapped)}
title="切换窗口"
>
<ArrowLeftRight className="h-3 w-3" />
</Button>
</div>
</div>
</div>
{/* Transcript Area (Bottom) */}
<div className="flex-1 flex flex-col min-h-0">
<h4 className="text-xs font-medium text-muted-foreground px-1 mb-1"> / Live Transcription</h4>
<TranscriptionLog />
</div>
</div>
)}
</div>
{/* Footer Actions - Unified Input */}
<div className="shrink-0 space-y-2">
{(mode === 'voice' || mode === 'video') && (
<div className="flex justify-end">
<Button variant="destructive" size="sm" className="w-full shadow-red-500/20 shadow-lg" onClick={handleClose}>
<PhoneOff className="mr-2 h-3 w-3" />
</Button>
</div>
)}
<div className="flex space-x-2">
<Input
value={inputText}
onChange={(e) => setInputText(e.target.value)}
placeholder={mode === 'text' ? "输入消息..." : "输入文字模拟语音/Input to simulate speech..."}
onKeyDown={(e) => e.key === 'Enter' && handleSend()}
disabled={isLoading}
className="flex-1"
/>
<Button size="icon" onClick={handleSend} disabled={isLoading}>
<Send className="h-4 w-4" />
</Button>
</div>
</div>
</div>
</Drawer>
);
};