frontend/src/components/ChatBot.tsx

@@ -1,5 +1,5 @@
-import { FormEvent, useState } from 'react';
+import { FormEvent, useState, useEffect, useRef } from 'react';
-import { X, Send, Bot } from 'lucide-react';
+import { X, Send, Bot, Settings, Loader2, Trash2, Save } from 'lucide-react';
 
 interface Msg {
   who: 'bot' | 'me';
@@ -7,16 +7,94 @@ interface Msg {
   ts: number;
 }
 
-const HINT = `Это заглушка чат-бота. Здесь будет интеграция с Telegram/AI.
+interface OpenAIConfig {
-Можно спрашивать про устройства, настройки, бэкапы.`;
+  host: string;
+  endpointPath: string;
+  apiKey: string;
+  model: string;
+  systemPrompt: string;
+}
 
-function botReply(q: string): string {
+const DEFAULT_CONFIG: OpenAIConfig = {
-  const s = q.toLowerCase();
+  host: 'http://llm2.lab.local:9911/v1',
-  if (/устройств|devices/.test(s)) return 'Список устройств доступен в разделе "Devices".';
+  endpointPath: '/chat/completions',
-  if (/бэкап|backup/.test(s))      return 'Бэкапы создаются на странице устройства, кнопкой "Backup".';
+  apiKey: '',
-  if (/прошив|firmware/.test(s))   return 'Репозиторий прошивок — в левом меню "Прошивки".';
+  model: 'qwen3-coder-next-q8-2gpu-nooffload',
-  if (/привет|hi|hello/.test(s))   return 'Привет! Чем помочь?';
+  systemPrompt: 'You are a helpful assistant that answers questions about device management, backups, firmware updates, and network configurations.',
-  return 'Ок, принял. (бот пока в режиме заглушки)';
+};
+
+const STORAGE_KEY = 'openai-chat-config';
+
+// Helper to convert internal messages to OpenAI format
+function toOpenAIMessages(msgs: Msg[], systemPrompt: string) {
+  const result: { role: 'system' | 'user' | 'assistant'; content: string }[] = [];
+  if (systemPrompt.trim()) {
+    result.push({ role: 'system', content: systemPrompt });
+  }
+  for (const m of msgs) {
+    if (m.who === 'me') {
+      result.push({ role: 'user', content: m.text });
+    } else {
+      result.push({ role: 'assistant', content: m.text });
+    }
+  }
+  return result;
+}
+
+// Call OpenAI-compatible API
+async function sendToAI(
+  messages: Msg[],
+  config: OpenAIConfig,
+  systemPrompt: string,
+  setLoading: (loading: boolean) => void,
+  setError: (error: string | null) => void
+): Promise<string | null> {
+  if (!config.apiKey.trim()) {
+    setError('API key is required. Please configure settings.');
+    return null;
+  }
+  if (!config.host.trim()) {
+    setError('Host URL is required.');
+    return null;
+  }
+  
+  setLoading(true);
+  setError(null);
+  
+  const endpoint = `${config.host.replace(/\/$/, '')}${config.endpointPath}`;
+  const openAiMsgs = toOpenAIMessages(messages, systemPrompt);
+  
+  try {
+    const response = await fetch(endpoint, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${config.apiKey}`,
+      },
+      body: JSON.stringify({
+        model: config.model,
+        messages: openAiMsgs,
+        stream: false,
+      }),
+    });
+    
+    if (!response.ok) {
+      const errorText = await response.text();
+      throw new Error(`API error (${response.status}): ${errorText.slice(0, 200)}`);
+    }
+    
+    const data = await response.json();
+    // Handle both OpenAI and compatible responses (like Ollama, LocalAI)
+    const reply = data.choices?.[0]?.message?.content || data.message?.content || data.response;
+    if (!reply) throw new Error('Unexpected API response format: missing message content');
+    return reply.trim();
+  } catch (err) {
+    const errorMsg = err instanceof Error ? err.message : 'Unknown error';
+    setError(errorMsg);
+    return null;
+  } finally {
+    setLoading(false);
+  }
 }
 
 interface ChatBotProps {
@@ -26,68 +104,243 @@ interface ChatBotProps {
 }
 
 export default function ChatBot({ open = true, onClose, embedded = false }: ChatBotProps) {
+  // Load config from localStorage
+  const [config, setConfig] = useState<OpenAIConfig>(() => {
+    const saved = localStorage.getItem(STORAGE_KEY);
+    if (saved) {
+      try {
+        return { ...DEFAULT_CONFIG, ...JSON.parse(saved) };
+      } catch {
+        return DEFAULT_CONFIG;
+      }
+    }
+    return DEFAULT_CONFIG;
+  });
+  
+  const [showConfig, setShowConfig] = useState(false);
   const [msgs, setMsgs] = useState<Msg[]>([
-    { who: 'bot', text: HINT, ts: Date.now() },
+    { who: 'bot', text: '👋 Configure your AI assistant using the settings icon (⚙️). Enter your OpenAI-compatible host, API key, endpoint, and model. Then start chatting!', ts: Date.now() },
   ]);
   const [input, setInput] = useState('');
-
+  const [loading, setLoading] = useState(false);
-  const send = (e: FormEvent) => {
+  const [error, setError] = useState<string | null>(null);
+  const messagesEndRef = useRef<HTMLDivElement>(null);
+  
+  // Scroll to bottom when messages change
+  useEffect(() => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
+  }, [msgs]);
+  
+  // Save config changes
+  const updateConfig = (updates: Partial<OpenAIConfig>) => {
+    const newConfig = { ...config, ...updates };
+    setConfig(newConfig);
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(newConfig));
+  };
+  
+  const clearChat = () => {
+    setMsgs([{ who: 'bot', text: 'Chat cleared. Start a new conversation!', ts: Date.now() }]);
+    setError(null);
+  };
+  
+  const send = async (e: FormEvent) => {
     e.preventDefault();
     const text = input.trim();
-    if (!text) return;
+    if (!text || loading) return;
+    
+    // Don't allow sending if API key missing and not configured
+    if (!config.apiKey.trim()) {
+      setError('Please configure API key in settings first');
+      return;
+    }
+    
     const now = Date.now();
-    setMsgs((m) => [...m, { who: 'me', text, ts: now }]);
+    const userMsg: Msg = { who: 'me', text, ts: now };
+    setMsgs((prev) => [...prev, userMsg]);
     setInput('');
-    setTimeout(() => {
+    setError(null);
-      setMsgs((m) => [...m, { who: 'bot', text: botReply(text), ts: Date.now() }]);
+    
-    }, 350);
+    // Get reply from AI
+    const conversationSoFar = [...msgs, userMsg];
+    const reply = await sendToAI(
+      conversationSoFar,
+      config,
+      config.systemPrompt,
+      setLoading,
+      setError
+    );
+    
+    if (reply) {
+      setMsgs((prev) => [...prev, { who: 'bot', text: reply, ts: Date.now() }]);
+    } else if (!error) {
+      // Only show fallback if no specific error was set
+      setMsgs((prev) => [
+        ...prev,
+        { who: 'bot', text: 'Sorry, I encountered an error. Please check your API settings.', ts: Date.now() },
+      ]);
+    }
   };
-
+  
   if (!open) return null;
+  
   const wrapperCls = embedded
     ? 'card p-0 flex flex-col h-[60vh] min-h-[360px]'
-    : 'fixed bottom-5 left-60 z-40 w-80 h-96 card p-0 flex flex-col shadow-2xl';
+    : 'fixed bottom-5 left-60 z-40 w-96 h-[560px] card p-0 flex flex-col shadow-2xl';
+  
   return (
     <div className={wrapperCls}>
-      <div className="px-4 py-3 border-b border-mk-border flex items-center gap-2">
+      {/* Header */}
+      <div className="px-4 py-3 border-b border-mk-border flex items-center gap-2 shrink-0">
         <Bot size={18} className="text-mk-accent2" />
-        <div className="font-medium text-sm">Помощник</div>
+        <div className="font-medium text-sm">AI Assistant</div>
-        <span className="ml-2 text-xs text-mk-mute">beta</span>
+        <span className="ml-2 text-xs text-mk-mute">OpenAI-compatible</span>
+        
+        <button
+          onClick={() => setShowConfig(!showConfig)}
+          className={`ml-auto p-1 rounded hover:bg-mk-panel2 transition-colors ${showConfig ? 'bg-mk-panel2 text-mk-accent' : 'text-mk-mute hover:text-mk-text'}`}
+          aria-label="Settings"
+          title="API Settings"
+        >
+          <Settings size={16} />
+        </button>
+        
+        <button
+          onClick={clearChat}
+          className="p-1 rounded hover:bg-mk-panel2 text-mk-mute hover:text-mk-text transition-colors"
+          aria-label="Clear chat"
+          title="Clear conversation"
+        >
+          <Trash2 size={14} />
+        </button>
+        
         {!embedded && onClose && (
           <button
             onClick={onClose}
-            className="ml-auto p-1 rounded hover:bg-mk-panel2 text-mk-mute hover:text-mk-text"
+            className="p-1 rounded hover:bg-mk-panel2 text-mk-mute hover:text-mk-text"
-            aria-label="Закрыть"
+            aria-label="Close"
           >
             <X size={16} />
           </button>
         )}
       </div>
-          <div className="flex-1 overflow-auto p-3 space-y-2 text-sm">
+      
-            {msgs.map((m, i) => (
+      {/* Config panel */}
-              <div
+      {showConfig && (
-                key={i}
+        <div className="p-3 border-b border-mk-border bg-mk-panel/30 space-y-2 text-sm">
-                className={`max-w-[85%] px-3 py-2 rounded-lg whitespace-pre-wrap ${
+          <div className="grid grid-cols-2 gap-2">
-                  m.who === 'me'
+            <div>
-                    ? 'ml-auto bg-mk-accent/20 text-mk-text'
+              <label className="text-xs text-mk-mute block mb-1">Host URL</label>
-                    : 'mr-auto bg-mk-panel2 text-mk-text'
+              <input
-                }`}
+                type="text"
-              >
+                className="input text-xs w-full"
-                {m.text}
+                value={config.host}
-              </div>
+                onChange={(e) => updateConfig({ host: e.target.value })}
-            ))}
+                placeholder="https://api.openai.com/v1"
+              />
+            </div>
+            <div>
+              <label className="text-xs text-mk-mute block mb-1">Endpoint path</label>
+              <input
+                type="text"
+                className="input text-xs w-full"
+                value={config.endpointPath}
+                onChange={(e) => updateConfig({ endpointPath: e.target.value })}
+                placeholder="/chat/completions"
+              />
+            </div>
           </div>
-          <form onSubmit={send} className="p-2 border-t border-mk-border flex gap-2">
+          <div>
+            <label className="text-xs text-mk-mute block mb-1">API Key</label>
             <input
-              className="input"
+              type="password"
-              placeholder="Спросите бота…"
+              className="input text-xs w-full"
-              value={input}
+              value={config.apiKey}
-              onChange={(e) => setInput(e.target.value)}
+              onChange={(e) => updateConfig({ apiKey: e.target.value })}
+              placeholder="sk-..."
             />
-            <button className="btn-primary" type="submit" aria-label="Отправить">
+          </div>
-              <Send size={14} />
+          <div className="grid grid-cols-2 gap-2">
-            </button>
+            <div>
-          </form>
+              <label className="text-xs text-mk-mute block mb-1">Model</label>
+              <input
+                type="text"
+                className="input text-xs w-full"
+                value={config.model}
+                onChange={(e) => updateConfig({ model: e.target.value })}
+                placeholder="gpt-3.5-turbo"
+              />
+            </div>
+            <div className="flex items-end">
+              <button
+                onClick={() => {
+                  // Test connection with a simple ping? Not needed, just save.
+                  setShowConfig(false);
+                }}
+                className="btn-primary text-xs py-1.5 w-full"
+              >
+                <Save size={12} className="inline mr-1" /> Save
+              </button>
+            </div>
+          </div>
+          <div>
+            <label className="text-xs text-mk-mute block mb-1">System Prompt</label>
+            <textarea
+              className="input text-xs w-full"
+              rows={2}
+              value={config.systemPrompt}
+              onChange={(e) => updateConfig({ systemPrompt: e.target.value })}
+              placeholder="You are a helpful assistant..."
+            />
+          </div>
+        </div>
+      )}
+      
+      {/* Messages area */}
+      <div className="flex-1 overflow-auto p-3 space-y-2 text-sm">
+        {msgs.map((m, i) => (
+          <div
+            key={i}
+            className={`max-w-[85%] px-3 py-2 rounded-lg whitespace-pre-wrap ${
+              m.who === 'me'
+                ? 'ml-auto bg-mk-accent/20 text-mk-text'
+                : 'mr-auto bg-mk-panel2 text-mk-text'
+            }`}
+          >
+            {m.text}
+          </div>
+        ))}
+        {loading && (
+          <div className="mr-auto bg-mk-panel2 text-mk-text px-3 py-2 rounded-lg inline-flex items-center gap-2">
+            <Loader2 size={14} className="animate-spin" />
+            <span>Thinking...</span>
+          </div>
+        )}
+        {error && !loading && (
+          <div className="mr-auto bg-red-500/20 text-red-300 px-3 py-2 rounded-lg text-xs">
+            ⚠️ {error}
+          </div>
+        )}
+        <div ref={messagesEndRef} />
+      </div>
+      
+      {/* Input form */}
+      <form onSubmit={send} className="p-2 border-t border-mk-border flex gap-2 shrink-0">
+        <input
+          className="input flex-1"
+          placeholder={config.apiKey ? "Ask me anything..." : "🔑 Please configure API key in settings"}
+          value={input}
+          onChange={(e) => setInput(e.target.value)}
+          disabled={loading || !config.apiKey}
+        />
+        <button
+          className="btn-primary"
+          type="submit"
+          disabled={loading || !config.apiKey || !input.trim()}
+          aria-label="Send"
+        >
+          {loading ? <Loader2 size={14} className="animate-spin" /> : <Send size={14} />}
+        </button>
+      </form>
     </div>
   );
 }