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import { Link } from 'react-router-dom';
import { Bot, Send, Loader2, Plus, MessageSquare, User, ChevronRight, ChevronDown, RefreshCw, X, Settings } from 'lucide-react';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import { agentConfigAPI, agentExecutionAPI, sendStreamMessage } from '../../services/api';
import EntitySidebar from '../../components/EntitySidebar';
import EntityPage from '../../components/EntityPage';
import ItemRecap from '../../components/ItemRecap';
import { useOrganizationStore } from '../../store/organizationStore';
import toast from 'react-hot-toast';
export default function AgentChatContent({ agentId, lazySession }) {
const queryClient = useQueryClient();
const { currentOrganization } = useOrganizationStore();
const organizationId = currentOrganization?.id;
const messagesEndRef = useRef(null);
const [currentSessionId, setCurrentSessionId] = useState(null);
const [message, setMessage] = useState('');
const [expandedUrls, setExpandedUrls] = useState(new Set());
const toggleUrl = (key) => {
setExpandedUrls(prev => {
const next = new Set(prev);
if (next.has(key)) next.delete(key); else next.add(key);
return next;
});
};
const [isStreaming, setIsStreaming] = useState(false);
const [streamingContent, setStreamingContent] = useState('');
const [streamingPhase, setStreamingPhase] = useState(null);
const [streamingSteps, setStreamingSteps] = useState([]);
const { data: agentsList, isLoading: agentsListLoading } = useQuery({
queryKey: ['agents'],
queryFn: async () => {
const response = await agentConfigAPI.list();
return response.data.data?.agents || [];
},
enabled: !lazySession
});
const { data: selectedAgent, isLoading: agentsLoading } = useQuery({
queryKey: ['agent', agentId],
queryFn: async () => {
if (!agentId) return null;
try {
const response = await agentConfigAPI.get(agentId);
return response.data.data?.agent || response.data.data;
} catch {
return null;
}
},
enabled: !!agentId
});
const { data: sessions } = useQuery({
queryKey: ['agent-sessions', agentId],
queryFn: async () => {
if (!agentId) return [];
const response = await agentExecutionAPI.listSessions(agentId);
return response.data.data?.sessions || [];
},
enabled: !!agentId && !lazySession
});
const { data: messages } = useQuery({
queryKey: ['session-messages', currentSessionId],
queryFn: async () => {
if (!currentSessionId) return [];
const response = await agentExecutionAPI.getMessages(currentSessionId);
return response.data.data?.session?.messages || [];
},
enabled: !!currentSessionId,
staleTime: 30000
});
const createSession = useMutation({
mutationFn: async () => {
const response = await agentExecutionAPI.createSession(null, agentId);
return response.data.data?.session;
},
onSuccess: (session) => {
queryClient.invalidateQueries(['agent-sessions', agentId]);
setCurrentSessionId(session.id);
toast.success('Nouvelle session créée');
},
onError: () => {
toast.error('Erreur lors de la création de la session');
}
});
const selectSession = (sessionId) => {
setCurrentSessionId(sessionId);
queryClient.invalidateQueries(['session-messages', sessionId]);
};
const messagesContainerRef = useRef(null);
const lastMessageCallbackRef = useCallback((node) => {
if (node && messagesContainerRef.current) {
messagesContainerRef.current.scrollTop = node.offsetTop;
}
}, []);
useEffect(() => {
if (messagesContainerRef.current && isStreaming) {
messagesContainerRef.current.scrollTop = messagesContainerRef.current.scrollHeight;
}
}, [streamingSteps, isStreaming]);
useEffect(() => {
if (!currentSessionId && sessions && sessions.length > 0) {
setCurrentSessionId(sessions[0].id);
}
}, [sessions]);
useEffect(() => {
if (agentId && !currentSessionId && !lazySession) {
agentExecutionAPI.listSessions(agentId).then(response => {
const existingSessions = response.data.data?.sessions || [];
if (existingSessions.length > 0) {
setCurrentSessionId(existingSessions[0].id);
}
}).catch(() => {});
}
}, [agentId, lazySession]);
const handleSendMessage = async (e) => {
e.preventDefault();
if (!message.trim() || isStreaming) return;
const userMessage = message.trim();
setMessage('');
setIsStreaming(true);
setStreamingContent('');
setStreamingPhase(null);
setStreamingSteps([{ type: 'init' }]);
let sessionId = currentSessionId;
if (!sessionId) {
try {
const response = await agentExecutionAPI.createSession(null, agentId);
sessionId = response.data.data?.session?.id;
setCurrentSessionId(sessionId);
} catch (err) {
toast.error("Erreur lors de la création de la session");
setIsStreaming(false);
setStreamingSteps([]);
return;
}
}
const optimisticMsg = { id: `optimistic-${Date.now()}`, role: 'user', content: userMessage, createdAt: new Date().toISOString() };
queryClient.setQueryData(['session-messages', sessionId], (old) => [...(old || []), optimisticMsg]);
try {
const reader = await sendStreamMessage(sessionId, userMessage);
const decoder = new TextDecoder();
let buffer = '';
while (true) {
const { done, value } = await reader.read();
if (done) break;
buffer += decoder.decode(value, { stream: true });
const parts = buffer.split('\n\n');
buffer = parts.pop();
for (const part of parts) {
const lines = part.split('\n');
let eventType = '';
let eventData = '';
for (const line of lines) {
if (line.startsWith('event: ')) eventType = line.slice(7);
else if (line.startsWith('data: ')) eventData = line.slice(6);
}
if (!eventData) continue;
try {
const data = JSON.parse(eventData);
if (eventType === 'phase') {
setStreamingPhase(data.phase);
} else if (eventType === 'step') {
setStreamingSteps((prev) => [...prev, data]);
} else if (eventType === 'result') {
queryClient.invalidateQueries(['session-messages', sessionId]);
} else if (eventType === 'error') {
throw new Error(data.message || 'Server error');
}
} catch (parseErr) {
if (parseErr.message && !parseErr.message.includes('JSON')) throw parseErr;
}
}
}
setIsStreaming(false);
setStreamingContent('');
setStreamingPhase(null);
setStreamingSteps([]);
} catch (error) {
console.error('Error sending message:', error);
queryClient.setQueryData(['session-messages', sessionId], (old) =>
(old || []).filter((m) => m.id !== optimisticMsg.id)
);
toast.error(error.message || "Erreur lors de l'envoi du message");
setIsStreaming(false);
setStreamingContent('');
setStreamingPhase(null);
setStreamingSteps([]);
}
};
if (agentsLoading) {
return (
<div className="flex items-center justify-center h-64">
<Loader2 className="w-8 h-8 animate-spin text-indigo-600" />
</div>
);
}
const renderChatView = (lazy) => (
<>
<div className="border-b border-gray-200 p-3 flex-shrink-0 bg-white">
<div className="flex items-center justify-between gap-2">
{lazy ? (
<span className="text-xl font-bold text-indigo-600">nooloom</span>
) : (
<span />
)}
<div className="flex items-center gap-2">
{lazy && organizationId && (
<Link
to={`/${organizationId}/backoffice/agents`}
className="flex items-center px-3 py-1 text-sm text-purple-600 border border-purple-300 rounded-lg hover:bg-purple-50"
title="Créer et gérer les agents dans le backoffice"
>
<Settings className="w-4 h-4 mr-1" />
Gérer les agents
</Link>
)}
</div>
</div>
{!lazy && (
<div className="mt-3 flex items-center space-x-2 overflow-x-auto">
<span className="text-sm text-gray-500 whitespace-nowrap">Sessions:</span>
<button
onClick={() => createSession.mutate()}
className="flex items-center px-3 py-1 text-sm text-green-600 border border-green-300 rounded-lg hover:bg-green-50 whitespace-nowrap"
>
<Plus className="w-4 h-4 mr-1" />
Session
</button>
{sessions && sessions.map((session) => (
<button
key={session.id}
onClick={() => selectSession(session.id)}
className={`px-3 py-1 text-sm rounded-lg whitespace-nowrap ${
currentSessionId === session.id
? 'bg-indigo-100 text-indigo-700 border border-indigo-300'
: 'bg-gray-100 text-gray-600 border border-gray-200 hover:bg-gray-200'
}`}
>
{new Date(session.createdAt).toLocaleDateString()}{' '}
{new Date(session.createdAt).toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })}
</button>
))}
</div>
)}
</div>
{!lazy && !currentSessionId ? (
<div className="flex-1 flex items-center justify-center bg-gray-50">
<div className="text-center">
<MessageSquare className="w-16 h-16 text-gray-300 mx-auto mb-4" />
<p className="text-gray-500 mb-4">Aucune session active</p>
<button
onClick={() => createSession.mutate()}
className="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"
>
Créer une session
</button>
</div>
</div>
) : (
<>
<div ref={messagesContainerRef} className="flex-1 overflow-y-auto p-4 space-y-4 bg-gray-50 relative">
{(!messages || messages.length === 0) && !isStreaming && (
<div className="text-center py-8">
<Bot className="w-12 h-12 text-gray-300 mx-auto mb-3" />
<p className="text-gray-500">
Envoyez un message pour commencer la conversation
</p>
{selectedAgent?.knowledgeBaseIds?.length > 0 && (
<p className="text-sm text-gray-400 mt-2">
L'agent utilisera {selectedAgent.knowledgeBaseIds.length} base(s) de connaissances
</p>
)}
</div>
)}
{messages?.map((msg, index) => (
<div
key={msg.id || index}
ref={index === messages.length - 1 ? lastMessageCallbackRef : null}
className={`flex ${msg.role === 'user' ? 'justify-end' : 'justify-start'}`}
>
<div
className={`max-w-[80%] rounded-lg px-4 py-2 ${
msg.role === 'user'
? 'bg-indigo-600 text-white'
: 'bg-white border border-gray-200 text-gray-800'
}`}
>
<div className="flex items-start">
{msg.role !== 'user' && (
<Bot className="w-4 h-4 text-indigo-600 mr-2 mt-1 flex-shrink-0" />
)}
{msg.role === 'user' && (
<User className="w-4 h-4 text-white mr-2 mt-1 flex-shrink-0" />
)}
<div className="flex-1">
<ReactMarkdown className="prose prose-sm max-w-none" remarkPlugins={[remarkGfm]}>
{msg.content}
</ReactMarkdown>
{msg.sources && msg.sources.length > 0 && (() => {
const groups = {};
for (const s of msg.sources) {
for (const f of s.facts || []) {
const url = f.url || 'sans-url';
if (!groups[url]) groups[url] = { url: f.url, facts: [], kbName: s.kbName };
groups[url].facts.push(f);
}
}
const groupList = Object.values(groups);
return (
<div className="mt-3 pt-2 border-t border-gray-200">
<div className="text-xs font-medium text-gray-500 mb-2">
Sources ({groupList.length} sources, {groupList.reduce((a, g) => a + g.facts.length, 0)} faits)
</div>
{groupList.map((group, gi) => {
const key = `${msg.id || index}-${gi}`;
const open = expandedUrls.has(key);
const url = group.url;
const isPdf = url?.includes('.pdf') || url?.includes('minio') || url?.includes('workflow');
return (
<div key={gi} className="mb-2 border border-gray-200 rounded-lg overflow-hidden">
<button
onClick={() => toggleUrl(key)}
className="w-full flex items-center justify-between px-3 py-2 text-xs bg-gray-50 hover:bg-gray-100 text-left"
>
<div className="flex items-center gap-2 min-w-0">
{open ? <ChevronDown className="w-3 h-3 flex-shrink-0 text-gray-400" /> : <ChevronRight className="w-3 h-3 flex-shrink-0 text-gray-400" />}
{url ? (
<a
href={url}
target="_blank"
rel="noopener noreferrer"
onClick={(e) => e.stopPropagation()}
className="text-blue-600 hover:underline truncate"
title={url}
>
{isPdf ? <span className="bg-red-100 text-red-600 px-1 py-0.5 rounded text-xs mr-1">PDF</span> : <span className="bg-green-100 text-green-600 px-1 py-0.5 rounded text-xs mr-1">WEB</span>}
{url}
</a>
) : <span className="text-gray-400 italic">Source sans URL</span>}
</div>
<span className="text-gray-400 ml-2 flex-shrink-0">{group.facts.length} fait{group.facts.length > 1 ? 's' : ''}</span>
</button>
{open && (
<div className="border-t border-gray-200">
{group.facts.map((fact, fi) => (
<div key={fi} className="px-3 py-2 text-xs text-gray-600 border-b border-gray-100 last:border-b-0">
<div className="flex items-center gap-2 mb-1">
<span className="bg-blue-100 text-blue-700 px-1.5 py-0.5 rounded font-medium flex-shrink-0">
{(fact.score * 100).toFixed(0)}%
</span>
<span className="text-gray-400 truncate">{group.kbName}</span>
</div>
<div className="text-gray-700 bg-gray-50 p-2 rounded">{fact.text}</div>
{fact.metadata && (
<div className="mt-1 text-gray-400">
{fact.metadata.description && <span>Description: {fact.metadata.description}</span>}
{fact.metadata.title && <span className="ml-2">Titre: {fact.metadata.title}</span>}
</div>
)}
</div>
))}
</div>
)}
</div>
);
})}
</div>
);
})()}
</div>
</div>
</div>
</div>
))}
{isStreaming && (
<div className="flex justify-start">
<div className="max-w-[80%] rounded-lg px-4 py-3 bg-white border border-gray-200">
{streamingSteps
.filter(s => s.type === 'init' || (s.type === 'search_kb' && s.factsCount > 0))
.map((step, i) => (
<div key={i} className="text-sm text-gray-700 mb-1">
{step.type === 'init' && '💬 Initialisation communication'}
{step.type === 'search_kb' && (step.error
? `⚠️ ${step.kbName}: échec`
: `${step.factsCount} ressource(s) trouvé(es) dans base ${step.kbName} : ${step.query}`
)}
</div>
))}
{streamingSteps.length === 0 && (
<div className="flex items-center">
<Loader2 className="w-4 h-4 animate-spin text-indigo-600 mr-2" />
<span className="text-gray-500">En train de réfléchir...</span>
</div>
)}
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>
<form onSubmit={handleSendMessage} className="border-t border-gray-200 p-4 bg-white flex-shrink-0">
<div className="flex items-center space-x-2">
<input
type="text"
value={message}
onChange={(e) => setMessage(e.target.value)}
onMouseDown={(e) => {
e.preventDefault();
e.target.focus({ preventScroll: true });
}}
placeholder="Tapez votre message..."
className="flex-1 px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
/>
<button
type="submit"
disabled={!message.trim() || isStreaming}
className="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 disabled:opacity-50 disabled:cursor-not-allowed"
>
{isStreaming ? <Loader2 className="w-5 h-5 animate-spin" /> : <Send className="w-5 h-5" />}
</button>
</div>
</form>
</>
)}
</>
);
if (lazySession) {
return (
<div className="h-full flex flex-col">
{agentId ? (
renderChatView(true)
) : (
<>
<div className="border-b border-gray-200 p-4 flex-shrink-0 bg-white">
<div className="flex items-center justify-between">
<span className="text-xl font-bold text-indigo-600">nooloom</span>
{organizationId && (
<Link
to={`/${organizationId}/backoffice/agents`}
className="flex items-center px-3 py-1.5 text-sm text-purple-600 border border-purple-300 rounded-lg hover:bg-purple-50 transition-colors"
title="Créer et gérer les agents dans le backoffice"
>
<Settings className="w-4 h-4 mr-1.5" />
Gérer les agents
</Link>
)}
</div>
</div>
<div className="flex-1 flex items-center justify-center bg-gray-50">
<div className="text-center">
<Bot className="w-16 h-16 text-gray-300 mx-auto mb-4" />
<p className="text-gray-500 mb-4">Aucun agent sélectionné</p>
</div>
</div>
</>
)}
</div>
);
}
// Frontoffice : sidebar secondaire collée à la nav principale + chat
return (
<EntityPage
selectedId={agentId}
sidebar={
<EntitySidebar
items={agentsList || []}
selectedId={agentId}
getItemHref={(agent) =>
organizationId ? `/${organizationId}/agent-chat/${agent.id}` : null
}
searchPlaceholder="Rechercher un agent..."
emptyMessage="Aucun agent disponible"
title="Agent Chat"
icon={Bot}
iconClass="text-purple-600"
backofficeTo={organizationId ? `/${organizationId}/backoffice/agents` : null}
backofficeManageLabel="Gérer les agents"
backofficeCreateLabel="Créer un agent"
loading={agentsListLoading}
filterFn={(a) => `${a.name} ${a.description || ''}`}
renderItem={(agent, isSelected) => (
<>
<div className="flex items-center">
<Bot className={`w-4 h-4 mr-2 flex-shrink-0 ${isSelected ? 'text-purple-600' : 'text-gray-400'}`} />
<span className={`text-sm font-medium truncate flex-1 ${isSelected ? 'text-gray-900' : 'text-gray-700'}`}>
{agent.name}
</span>
</div>
{agent.description && (
<div className="text-xs text-gray-500 truncate mt-0.5">{agent.description}</div>
)}
</>
)}
/>
}
>
{!agentId ? (
<div className="flex-1 min-h-0 flex items-center justify-center">
<div className="text-center">
<Bot className="w-16 h-16 text-gray-300 mx-auto mb-4" />
<p className="text-gray-500">Sélectionnez un agent pour commencer</p>
</div>
</div>
) : (
<>
<ItemRecap
name={selectedAgent?.name}
description={selectedAgent?.description}
meta={
<>
<span className="text-xs bg-gray-100 text-gray-600 px-2 py-0.5 rounded">
{selectedAgent?.knowledgeBaseIds?.length || 0} KBs
</span>
{selectedAgent?.llmModel && (
<span className="text-xs bg-gray-100 text-gray-600 px-2 py-0.5 rounded">
{selectedAgent.llmModel.split('/')[1] || selectedAgent.llmModel}
</span>
)}
</>
}
actions={
organizationId ? (
<Link
to={`/${organizationId}/backoffice/agents/${agentId}`}
title="Modifier dans le backoffice"
className="p-1.5 rounded-md text-gray-400 hover:text-gray-600 hover:bg-gray-100"
>
<Settings className="w-4 h-4" />
</Link>
) : null
}
/>
<div className="flex-1 min-h-0 flex flex-col">
{renderChatView(false)}
</div>
</>
)}
</EntityPage>
);
} |