277 lines
11 KiB
TypeScript
277 lines
11 KiB
TypeScript
import React, { useState, useEffect, useRef, useCallback } from 'react';
|
|
import { MessageSquare, Activity, ChevronRight, Plus } from 'lucide-react';
|
|
import apiClient from '../../api/client';
|
|
import type { ChatSession, Message } from '../../App';
|
|
import type { ChatMessageDB } from '../../types';
|
|
|
|
interface ChatPanelProps {
|
|
chatSessions: ChatSession[];
|
|
setChatSessions: React.Dispatch<React.SetStateAction<ChatSession[]>>;
|
|
activeSessionId: string | null;
|
|
setActiveSessionId: React.Dispatch<React.SetStateAction<string | null>>;
|
|
onSessionsChanged?: () => void;
|
|
}
|
|
|
|
export function ChatPanel({ chatSessions, setChatSessions, activeSessionId, setActiveSessionId, onSessionsChanged }: ChatPanelProps) {
|
|
const [input, setInput] = useState('');
|
|
const [loading, setLoading] = useState(false);
|
|
const [mode, setMode] = useState<'chat' | 'deploy'>('chat');
|
|
const [loadingMessages, setLoadingMessages] = useState(false);
|
|
const fileInputRef = useRef<HTMLInputElement>(null);
|
|
const messagesEndRef = useRef<HTMLDivElement>(null);
|
|
|
|
const activeSession = chatSessions.find((s) => s.id === activeSessionId) || null;
|
|
const messages = activeSession ? activeSession.messages : [];
|
|
|
|
const scrollToBottom = () => {
|
|
messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
|
|
};
|
|
|
|
useEffect(() => {
|
|
scrollToBottom();
|
|
}, [messages]);
|
|
|
|
const loadMessages = useCallback(async (chatId: string) => {
|
|
setLoadingMessages(true);
|
|
try {
|
|
const response = await apiClient.get(`/api/v1/chat/${chatId}`);
|
|
const dbMessages: ChatMessageDB[] = response.data?.messages || [];
|
|
const mapped: Message[] = dbMessages.map((m) => ({
|
|
id: m.message_id,
|
|
role: m.message_owner === 'user' ? 'user' : 'assistant',
|
|
content: m.message,
|
|
timestamp: new Date(m.created_at).getTime(),
|
|
}));
|
|
setChatSessions((prev) =>
|
|
prev.map((s) => (s.id === chatId ? { ...s, messages: mapped } : s))
|
|
);
|
|
} catch (error) {
|
|
console.error('Failed to load messages', error);
|
|
} finally {
|
|
setLoadingMessages(false);
|
|
}
|
|
}, [setChatSessions]);
|
|
|
|
useEffect(() => {
|
|
if (activeSessionId) {
|
|
const session = chatSessions.find((s) => s.id === activeSessionId);
|
|
if (session && session.messages.length === 0) {
|
|
loadMessages(activeSessionId);
|
|
}
|
|
}
|
|
}, [activeSessionId]);
|
|
|
|
const updateSessionMessages = (newMessages: Message[]) => {
|
|
if (!activeSessionId) return;
|
|
setChatSessions((prev) =>
|
|
prev.map((s) =>
|
|
s.id === activeSessionId
|
|
? { ...s, messages: newMessages, updatedAt: Date.now() }
|
|
: s
|
|
)
|
|
);
|
|
};
|
|
|
|
const handleNewChat = async () => {
|
|
if (!onSessionsChanged) return;
|
|
try {
|
|
const response = await apiClient.post('/api/v1/chat', {
|
|
title: '新对话',
|
|
initial_message: '你好',
|
|
});
|
|
const chatId: string = response.data.chat_id;
|
|
const reply: string = response.data.reply || '你好！我是 kilostar 助手，有什么可以帮你的吗？';
|
|
|
|
const newSession: ChatSession = {
|
|
id: chatId,
|
|
title: '新对话',
|
|
messages: [
|
|
{ id: chatId + '_user', role: 'user', content: '你好', timestamp: Date.now() },
|
|
{ id: chatId + '_ai', role: 'assistant', content: reply, timestamp: Date.now() },
|
|
],
|
|
updatedAt: Date.now(),
|
|
};
|
|
setChatSessions((prev) => [newSession, ...prev]);
|
|
setActiveSessionId(chatId);
|
|
onSessionsChanged();
|
|
} catch (error) {
|
|
console.error('Failed to create chat session', error);
|
|
}
|
|
};
|
|
|
|
const handleSendMessage = async () => {
|
|
if (!input.trim() || !activeSessionId) return;
|
|
|
|
const userText = input;
|
|
const userMessage: Message = {
|
|
id: Date.now().toString(),
|
|
role: 'user',
|
|
content: userText,
|
|
timestamp: Date.now(),
|
|
};
|
|
|
|
const currentMessages = activeSession?.messages || [];
|
|
updateSessionMessages([...currentMessages, userMessage]);
|
|
setInput('');
|
|
setLoading(true);
|
|
|
|
try {
|
|
const response = await apiClient.post(`/api/v1/chat/${activeSessionId}/reply`, {
|
|
message: userText,
|
|
});
|
|
|
|
const replyContent: string = response.data?.reply || '收到你的消息。';
|
|
|
|
if (currentMessages.length <= 1 && userText.length > 0) {
|
|
setChatSessions((prev) =>
|
|
prev.map((s) =>
|
|
s.id === activeSessionId
|
|
? { ...s, title: userText.slice(0, 20) + (userText.length > 20 ? '...' : '') }
|
|
: s
|
|
)
|
|
);
|
|
}
|
|
|
|
const aiMessage: Message = {
|
|
id: (Date.now() + 1).toString(),
|
|
role: 'assistant',
|
|
content: replyContent,
|
|
timestamp: Date.now(),
|
|
};
|
|
|
|
const updatedMessages = [...(currentMessages.length > 0 ? currentMessages : []), userMessage, aiMessage];
|
|
updateSessionMessages(updatedMessages);
|
|
} catch (error) {
|
|
console.error('Error sending message', error);
|
|
const errorMessage: Message = {
|
|
id: (Date.now() + 1).toString(),
|
|
role: 'assistant',
|
|
content: '抱歉，与服务器通信时出错。',
|
|
timestamp: Date.now(),
|
|
};
|
|
updateSessionMessages([...currentMessages, userMessage, errorMessage]);
|
|
} finally {
|
|
setLoading(false);
|
|
}
|
|
};
|
|
|
|
if (!activeSessionId) {
|
|
return (
|
|
<div className="flex-1 flex flex-col bg-white overflow-hidden items-center justify-center">
|
|
<Activity size={48} className="text-slate-300 mb-4" />
|
|
<h2 className="text-xl font-semibold text-slate-600">kilostar Assistant</h2>
|
|
<p className="text-slate-400 mt-2">Select a chat history or create a new one to start.</p>
|
|
<button
|
|
onClick={handleNewChat}
|
|
className="mt-6 px-6 py-2 bg-blue-200 text-slate-800 rounded-xl shadow-sm hover:bg-blue-300 transition-colors"
|
|
>
|
|
Start New Chat
|
|
</button>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
return (
|
|
<div className="flex-1 flex flex-col bg-white overflow-hidden relative">
|
|
<div className="h-14 border-b border-slate-100 bg-white flex items-center justify-between px-6 z-10 shrink-0">
|
|
<div className="flex items-center">
|
|
<MessageSquare size={18} className="text-blue-600 mr-3" />
|
|
<h1 className="font-semibold text-slate-800">{activeSession?.title || 'Chat'}</h1>
|
|
</div>
|
|
<div className="flex space-x-2 bg-slate-50 p-1 rounded-lg">
|
|
<button
|
|
onClick={() => setMode('chat')}
|
|
className={`px-3 py-1 text-sm font-medium rounded-md transition-colors ${
|
|
mode === 'chat' ? 'bg-white text-blue-600 shadow-sm' : 'text-slate-500 hover:text-slate-700'
|
|
}`}
|
|
>
|
|
Chat
|
|
</button>
|
|
<button
|
|
onClick={() => setMode('deploy')}
|
|
className={`px-3 py-1 text-sm font-medium rounded-md transition-colors ${
|
|
mode === 'deploy' ? 'bg-white text-blue-600 shadow-sm' : 'text-slate-500 hover:text-slate-700'
|
|
}`}
|
|
>
|
|
Deploy Task
|
|
</button>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex-1 p-6 overflow-y-auto space-y-6 bg-white">
|
|
{loadingMessages ? (
|
|
<div className="flex justify-center items-center h-full">
|
|
<div className="flex space-x-2">
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce"></span>
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce delay-75"></span>
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce delay-150"></span>
|
|
</div>
|
|
</div>
|
|
) : (
|
|
messages.map((msg) => (
|
|
<div key={msg.id} className={`flex ${msg.role === 'user' ? 'justify-end' : 'justify-start'}`}>
|
|
{msg.role === 'assistant' && (
|
|
<div className="w-8 h-8 rounded-full bg-white border border-blue-100 flex items-center justify-center mr-3 mt-1 shadow-sm flex-shrink-0">
|
|
<Activity size={16} className="text-blue-600" />
|
|
</div>
|
|
)}
|
|
<div
|
|
className={`${
|
|
msg.role === 'user'
|
|
? 'bg-blue-100 text-slate-800 rounded-2xl rounded-tr-sm'
|
|
: 'bg-slate-50 border border-slate-100 text-slate-700 rounded-2xl rounded-tl-sm'
|
|
} p-4 max-w-[80%] shadow-sm`}
|
|
>
|
|
<p className="text-sm leading-relaxed mb-1 whitespace-pre-wrap">{msg.content}</p>
|
|
</div>
|
|
</div>
|
|
))
|
|
)}
|
|
{loading && (
|
|
<div className="flex justify-start">
|
|
<div className="w-8 h-8 rounded-full bg-white border border-blue-100 flex items-center justify-center mr-3 mt-1 shadow-sm flex-shrink-0">
|
|
<Activity size={16} className="text-blue-600 animate-spin" />
|
|
</div>
|
|
<div className="bg-slate-50 border border-slate-100 text-slate-700 p-4 rounded-2xl rounded-tl-sm max-w-[80%] shadow-sm">
|
|
<span className="flex space-x-1">
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce"></span>
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce delay-75"></span>
|
|
<span className="h-2 w-2 bg-slate-400 rounded-full animate-bounce delay-150"></span>
|
|
</span>
|
|
</div>
|
|
</div>
|
|
)}
|
|
<div ref={messagesEndRef} />
|
|
</div>
|
|
|
|
<div className="p-4 bg-white border-t border-slate-100 shrink-0">
|
|
<div className="relative flex items-center">
|
|
<input type="file" ref={fileInputRef} className="hidden" />
|
|
<button
|
|
onClick={() => fileInputRef.current?.click()}
|
|
className="absolute left-2 p-1.5 text-slate-400 hover:text-blue-600 hover:bg-blue-50 rounded-lg transition-colors z-10 cursor-pointer"
|
|
title="Add attachment"
|
|
>
|
|
<Plus size={20} />
|
|
</button>
|
|
<input
|
|
type="text"
|
|
value={input}
|
|
onChange={(e) => setInput(e.target.value)}
|
|
onKeyDown={(e) => e.key === 'Enter' && handleSendMessage()}
|
|
placeholder="Ask kilostar to do something..."
|
|
className="w-full bg-slate-50 border border-slate-200 text-sm rounded-2xl pl-12 pr-12 py-3.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-400 transition-all"
|
|
/>
|
|
<button
|
|
onClick={handleSendMessage}
|
|
disabled={loading || !input.trim()}
|
|
className="absolute right-2 p-1.5 bg-blue-200 text-slate-800 rounded-xl hover:bg-blue-300 transition-colors shadow-sm disabled:opacity-50 cursor-pointer"
|
|
>
|
|
<ChevronRight size={18} />
|
|
</button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|