suna/frontend/src/app/(dashboard)/agents/_components/agent-builder-chat.tsx

424 lines
15 KiB
TypeScript

'use client';
import React, { useState, useEffect, useCallback, useRef } from 'react';
import { Loader2 } from 'lucide-react';
import { ChatInput, ChatInputHandles } from '@/components/thread/chat-input/chat-input';
import { ThreadContent } from '@/components/thread/content/ThreadContent';
import { useAgentStream } from '@/hooks/useAgentStream';
import { useAddUserMessageMutation } from '@/hooks/react-query/threads/use-messages';
import { useStartAgentMutation, useStopAgentMutation } from '@/hooks/react-query/threads/use-agent-run';
import { useInitiateAgentWithInvalidation } from '@/hooks/react-query/dashboard/use-initiate-agent';
import { useAgentBuilderChatHistory } from '@/hooks/react-query/agents/use-agents';
import { toast } from 'sonner';
import { UnifiedMessage } from '@/components/thread/types';
import { StylePicker } from './style-picker';
import { EditableText } from '@/components/ui/editable';
import { Badge } from '@/components/ui/badge';
import { Check, Clock } from 'lucide-react';
import { BillingError } from '@/lib/api';
import { useQueryClient } from '@tanstack/react-query';
import { agentKeys } from '@/hooks/react-query/agents/keys';
interface AgentBuilderChatProps {
agentId: string;
formData: any;
handleFieldChange: (field: string, value: any) => void;
handleStyleChange: (emoji: string, color: string) => void;
currentStyle: { avatar: string; color: string };
}
export const AgentBuilderChat = React.memo(function AgentBuilderChat({
agentId,
formData,
handleFieldChange,
handleStyleChange,
currentStyle
}: AgentBuilderChatProps) {
const [threadId, setThreadId] = useState<string | null>(null);
const [agentRunId, setAgentRunId] = useState<string | null>(null);
const [messages, setMessages] = useState<UnifiedMessage[]>([]);
const [inputValue, setInputValue] = useState('');
const [agentStatus, setAgentStatus] = useState<'idle' | 'running' | 'connecting' | 'error'>('idle');
const [saveStatus, setSaveStatus] = useState<'idle' | 'saving' | 'saved'>('idle');
const [isSubmitting, setIsSubmitting] = useState(false);
const [hasStartedConversation, setHasStartedConversation] = useState(false);
const messagesEndRef = useRef<HTMLDivElement>(null);
const chatInputRef = useRef<ChatInputHandles>(null);
const previousMessageCountRef = useRef(0);
const hasInitiallyLoadedRef = useRef(false);
const previousAgentIdRef = useRef<string | null>(null);
// Debug mount/unmount
useEffect(() => {
console.log('[AgentBuilderChat] Component mounted');
return () => {
console.log('[AgentBuilderChat] Component unmounted');
};
}, []);
// Reset hasInitiallyLoadedRef when agentId changes
useEffect(() => {
if (previousAgentIdRef.current !== null && previousAgentIdRef.current !== agentId) {
console.log('[AgentBuilderChat] Agent ID changed, resetting state');
hasInitiallyLoadedRef.current = false;
setMessages([]);
setThreadId(null);
setAgentRunId(null);
setHasStartedConversation(false);
previousMessageCountRef.current = 0;
}
previousAgentIdRef.current = agentId;
}, [agentId]);
const initiateAgentMutation = useInitiateAgentWithInvalidation();
const addUserMessageMutation = useAddUserMessageMutation();
const startAgentMutation = useStartAgentMutation();
const stopAgentMutation = useStopAgentMutation();
const chatHistoryQuery = useAgentBuilderChatHistory(agentId);
const queryClient = useQueryClient();
const scrollToBottom = () => {
messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
};
useEffect(() => {
if (messages && messages.length > previousMessageCountRef.current) {
scrollToBottom();
}
previousMessageCountRef.current = messages?.length || 0;
}, [messages, messages?.length]);
useEffect(() => {
if (chatHistoryQuery.data && chatHistoryQuery.status === 'success' && !hasInitiallyLoadedRef.current) {
console.log('[AgentBuilderChat] Loading chat history for agent:', agentId);
const { messages: historyMessages, thread_id } = chatHistoryQuery.data;
if (historyMessages && historyMessages.length > 0) {
const unifiedMessages = historyMessages
.filter((msg) => msg.type !== 'status')
.map((msg: any) => ({
message_id: msg.message_id || `msg-${Date.now()}-${Math.random()}`,
thread_id: msg.thread_id || thread_id,
type: (msg.type || 'system') as UnifiedMessage['type'],
is_llm_message: Boolean(msg.is_llm_message),
content: msg.content || '',
metadata: msg.metadata || '{}',
created_at: msg.created_at || new Date().toISOString(),
updated_at: msg.updated_at || new Date().toISOString(),
sequence: 0,
}));
setMessages(unifiedMessages);
setHasStartedConversation(unifiedMessages.length > 0);
previousMessageCountRef.current = unifiedMessages.length;
if (thread_id) {
setThreadId(thread_id);
}
}
hasInitiallyLoadedRef.current = true;
} else if (chatHistoryQuery.status === 'error') {
console.error('[AgentBuilderChat] Error loading chat history:', chatHistoryQuery.error);
hasInitiallyLoadedRef.current = true;
}
}, [chatHistoryQuery.data, chatHistoryQuery.status, chatHistoryQuery.error, agentId]);
const handleNewMessageFromStream = useCallback((message: UnifiedMessage) => {
setMessages((prev) => {
if (!prev) prev = [];
if (message.type === 'user') {
const optimisticIndex = prev.findIndex(m =>
m.message_id.startsWith('temp-user-') &&
m.content === message.content &&
m.type === 'user'
);
if (optimisticIndex !== -1) {
console.log(`[AGENT BUILDER] Replacing optimistic message with real message`);
const newMessages = [...prev];
newMessages[optimisticIndex] = message;
return newMessages;
}
}
const messageExists = prev.some(m => m.message_id === message.message_id);
if (messageExists) {
return prev.map(m => m.message_id === message.message_id ? message : m);
}
return [...prev, message];
});
}, []);
const handleStreamStatusChange = useCallback((status: string) => {
switch (status) {
case 'idle':
case 'completed':
case 'stopped':
case 'agent_not_running':
case 'error':
case 'failed':
setAgentStatus('idle');
setAgentRunId(null);
if (status === 'completed') {
setSaveStatus('saved');
queryClient.invalidateQueries({ queryKey: agentKeys.lists() });
queryClient.invalidateQueries({ queryKey: agentKeys.detail(agentId) });
queryClient.invalidateQueries({ queryKey: agentKeys.builderChatHistory(agentId) });
setTimeout(() => setSaveStatus('idle'), 2000);
}
break;
case 'connecting':
setAgentStatus('connecting');
break;
case 'streaming':
setAgentStatus('running');
break;
}
}, []);
const handleStreamError = useCallback((errorMessage: string) => {
if (!errorMessage.toLowerCase().includes('not found') &&
!errorMessage.toLowerCase().includes('agent run is not running')) {
toast.error(`Stream Error: ${errorMessage}`);
}
}, []);
const handleStreamClose = useCallback(() => {
console.log(`[AGENT BUILDER] Stream closed`);
}, []);
const {
status: streamHookStatus,
textContent: streamingTextContent,
toolCall: streamingToolCall,
error: streamError,
agentRunId: currentHookRunId,
startStreaming,
stopStreaming,
} = useAgentStream(
{
onMessage: handleNewMessageFromStream,
onStatusChange: handleStreamStatusChange,
onError: handleStreamError,
onClose: handleStreamClose,
},
threadId,
setMessages,
);
useEffect(() => {
if (agentRunId && agentRunId !== currentHookRunId && threadId) {
startStreaming(agentRunId);
}
}, [agentRunId, startStreaming, currentHookRunId, threadId]);
const handleSubmitFirstMessage = async (
message: string,
options?: {
model_name?: string;
enable_thinking?: boolean;
reasoning_effort?: string;
stream?: boolean;
enable_context_manager?: boolean;
},
) => {
if (!message.trim() && !chatInputRef.current?.getPendingFiles().length) return;
setIsSubmitting(true);
setHasStartedConversation(true);
setSaveStatus('saving');
try {
const files = chatInputRef.current?.getPendingFiles() || [];
const agentFormData = new FormData();
agentFormData.append('prompt', message);
agentFormData.append('is_agent_builder', String(true));
agentFormData.append('target_agent_id', agentId);
files.forEach((file) => {
agentFormData.append('files', file, file.name);
});
if (options?.model_name) agentFormData.append('model_name', options.model_name);
agentFormData.append('enable_thinking', String(options?.enable_thinking ?? false));
agentFormData.append('reasoning_effort', options?.reasoning_effort ?? 'low');
agentFormData.append('stream', String(options?.stream ?? true));
agentFormData.append('enable_context_manager', String(options?.enable_context_manager ?? false));
const result = await initiateAgentMutation.mutateAsync(agentFormData);
if (result.thread_id) {
setThreadId(result.thread_id);
if (result.agent_run_id) {
console.log('[AGENT BUILDER] Setting agent run ID:', result.agent_run_id);
setAgentRunId(result.agent_run_id);
}
const userMessage: UnifiedMessage = {
message_id: `user-${Date.now()}`,
thread_id: result.thread_id,
type: 'user',
is_llm_message: false,
content: message,
metadata: '{}',
created_at: new Date().toISOString(),
updated_at: new Date().toISOString(),
sequence: 0,
};
setMessages(prev => [...prev, userMessage]);
}
chatInputRef.current?.clearPendingFiles();
setInputValue('');
} catch (error: any) {
if (error instanceof BillingError) {
toast.error('Billing limit reached. Please upgrade your plan.');
} else {
toast.error('Failed to start agent builder session');
}
setHasStartedConversation(false);
setSaveStatus('idle');
} finally {
setIsSubmitting(false);
}
};
const handleSubmitMessage = useCallback(
async (
message: string,
options?: { model_name?: string; enable_thinking?: boolean; reasoning_effort?: string; enable_context_manager?: boolean },
) => {
if (!message.trim() || !threadId) return;
setIsSubmitting(true);
setSaveStatus('saving');
const optimisticUserMessage: UnifiedMessage = {
message_id: `temp-user-${Date.now()}-${Math.random()}`,
thread_id: threadId,
type: 'user',
is_llm_message: false,
content: message,
metadata: '{}',
created_at: new Date().toISOString(),
updated_at: new Date().toISOString(),
sequence: messages.length,
};
setMessages((prev) => [...prev, optimisticUserMessage]);
setInputValue('');
try {
const messagePromise = addUserMessageMutation.mutateAsync({
threadId,
message
});
const agentPromise = startAgentMutation.mutateAsync({
threadId,
options
});
const results = await Promise.allSettled([messagePromise, agentPromise]);
if (results[0].status === 'rejected') {
throw new Error(`Failed to send message: ${results[0].reason?.message || results[0].reason}`);
}
if (results[1].status === 'rejected') {
const error = results[1].reason;
if (error instanceof BillingError) {
toast.error('Billing limit reached. Please upgrade your plan.');
setMessages(prev => prev.filter(m => m.message_id !== optimisticUserMessage.message_id));
return;
}
throw new Error(`Failed to start agent: ${error?.message || error}`);
}
const agentResult = results[1].value;
setAgentRunId(agentResult.agent_run_id);
} catch (err) {
toast.error(err instanceof Error ? err.message : 'Operation failed');
setMessages((prev) => prev.map((m) =>
m.message_id === optimisticUserMessage.message_id
? { ...m, message_id: `user-error-${Date.now()}` }
: m
));
setSaveStatus('idle');
} finally {
setIsSubmitting(false);
}
},
[threadId, messages?.length, addUserMessageMutation, startAgentMutation],
);
const handleStopAgent = useCallback(async () => {
setAgentStatus('idle');
await stopStreaming();
if (agentRunId) {
try {
await stopAgentMutation.mutateAsync(agentRunId);
} catch (error) {
console.error('[AGENT BUILDER] Error stopping agent:', error);
}
}
}, [stopStreaming, agentRunId, stopAgentMutation]);
const handleOpenFileViewer = useCallback(() => {}, []);
return (
<div className="flex flex-col h-full">
<div className="flex-1 overflow-hidden">
<div className="h-full overflow-y-auto scrollbar-hide">
<ThreadContent
messages={messages || []}
streamingTextContent={streamingTextContent}
streamingToolCall={streamingToolCall}
agentStatus={agentStatus}
handleToolClick={() => {}}
handleOpenFileViewer={handleOpenFileViewer}
streamHookStatus={streamHookStatus}
agentName="Agent Builder"
agentAvatar={'🤖'}
emptyStateComponent={
<div className="mt-6 flex flex-col items-center text-center text-muted-foreground/80">
<div className="flex w-20 aspect-square items-center justify-center rounded-2xl bg-muted-foreground/10 p-4 mb-4">
<div className="text-4xl">🤖</div>
</div>
<p className='w-[60%] text-2xl'>Lets start with a brief <span className='text-primary/80 font-semibold'>description</span> of what you'd like to build</p>
</div>
}
/>
<div ref={messagesEndRef} />
</div>
</div>
<div className="flex-shrink-0 md:pb-4 md:px-12 px-4">
<ChatInput
ref={chatInputRef}
onSubmit={threadId ? handleSubmitMessage : handleSubmitFirstMessage}
loading={isSubmitting}
placeholder="Tell me how you'd like to configure your agent..."
value={inputValue}
onChange={setInputValue}
disabled={isSubmitting}
isAgentRunning={agentStatus === 'running' || agentStatus === 'connecting'}
onStopAgent={handleStopAgent}
agentName="Agent Builder"
hideAttachments={true}
bgColor='bg-muted-foreground/10'
/>
</div>
</div>
);
}, (prevProps, nextProps) => {
// Custom comparison function to prevent unnecessary re-renders
return (
prevProps.agentId === nextProps.agentId &&
JSON.stringify(prevProps.formData) === JSON.stringify(nextProps.formData) &&
prevProps.currentStyle.avatar === nextProps.currentStyle.avatar &&
prevProps.currentStyle.color === nextProps.currentStyle.color &&
prevProps.handleFieldChange === nextProps.handleFieldChange &&
prevProps.handleStyleChange === nextProps.handleStyleChange
);
});