openrag/frontend/src/app/chat/page.tsx
2025-09-30 13:29:43 -05:00

2409 lines
90 KiB
TypeScript

"use client";
import {
AtSign,
Bot,
ChevronDown,
ChevronRight,
GitBranch,
Loader2,
Plus,
Settings,
Upload,
User,
X,
Zap,
} from "lucide-react";
import { useEffect, useRef, useState } from "react";
import { MarkdownRenderer } from "@/components/markdown-renderer";
import { ProtectedRoute } from "@/components/protected-route";
import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import { useAuth } from "@/contexts/auth-context";
import { type EndpointType, useChat } from "@/contexts/chat-context";
import { useKnowledgeFilter } from "@/contexts/knowledge-filter-context";
import { useTask } from "@/contexts/task-context";
import { useLoadingStore } from "@/stores/loadingStore";
import { useGetNudgesQuery } from "../api/queries/useGetNudgesQuery";
import Nudges from "./nudges";
import { filterAccentClasses } from "@/components/knowledge-filter-panel";
interface Message {
role: "user" | "assistant";
content: string;
timestamp: Date;
functionCalls?: FunctionCall[];
isStreaming?: boolean;
}
interface FunctionCall {
name: string;
arguments?: Record<string, unknown>;
result?: Record<string, unknown> | ToolCallResult[];
status: "pending" | "completed" | "error";
argumentsString?: string;
id?: string;
type?: string;
}
interface ToolCallResult {
text_key?: string;
data?: {
file_path?: string;
text?: string;
[key: string]: unknown;
};
default_value?: string;
[key: string]: unknown;
}
interface SelectedFilters {
data_sources: string[];
document_types: string[];
owners: string[];
}
interface KnowledgeFilterData {
id: string;
name: string;
description: string;
query_data: string;
owner: string;
created_at: string;
updated_at: string;
}
interface RequestBody {
prompt: string;
stream?: boolean;
previous_response_id?: string;
filters?: SelectedFilters;
limit?: number;
scoreThreshold?: number;
}
function ChatPage() {
const isDebugMode =
process.env.NODE_ENV === "development" ||
process.env.NEXT_PUBLIC_OPENRAG_DEBUG === "true";
const { user } = useAuth();
const {
endpoint,
setEndpoint,
currentConversationId,
conversationData,
setCurrentConversationId,
addConversationDoc,
forkFromResponse,
refreshConversations,
refreshConversationsSilent,
previousResponseIds,
setPreviousResponseIds,
placeholderConversation,
} = useChat();
const [messages, setMessages] = useState<Message[]>([
{
role: "assistant",
content: "How can I assist?",
timestamp: new Date(),
},
]);
const [input, setInput] = useState("");
const { loading, setLoading } = useLoadingStore();
const [asyncMode, setAsyncMode] = useState(true);
const [streamingMessage, setStreamingMessage] = useState<{
content: string;
functionCalls: FunctionCall[];
timestamp: Date;
} | null>(null);
const [expandedFunctionCalls, setExpandedFunctionCalls] = useState<
Set<string>
>(new Set());
// previousResponseIds now comes from useChat context
const [isUploading, setIsUploading] = useState(false);
const [isDragOver, setIsDragOver] = useState(false);
const [isFilterDropdownOpen, setIsFilterDropdownOpen] = useState(false);
const [availableFilters, setAvailableFilters] = useState<
KnowledgeFilterData[]
>([]);
const [filterSearchTerm, setFilterSearchTerm] = useState("");
const [selectedFilterIndex, setSelectedFilterIndex] = useState(0);
const [isFilterHighlighted, setIsFilterHighlighted] = useState(false);
const [dropdownDismissed, setDropdownDismissed] = useState(false);
const [isUserInteracting, setIsUserInteracting] = useState(false);
const [isForkingInProgress, setIsForkingInProgress] = useState(false);
const dragCounterRef = useRef(0);
const messagesEndRef = useRef<HTMLDivElement>(null);
const inputRef = useRef<HTMLTextAreaElement>(null);
const fileInputRef = useRef<HTMLInputElement>(null);
const dropdownRef = useRef<HTMLDivElement>(null);
const streamAbortRef = useRef<AbortController | null>(null);
const streamIdRef = useRef(0);
const lastLoadedConversationRef = useRef<string | null>(null);
const { addTask, isMenuOpen } = useTask();
const { selectedFilter, parsedFilterData, isPanelOpen, setSelectedFilter } =
useKnowledgeFilter();
const scrollToBottom = () => {
messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
};
const handleEndpointChange = (newEndpoint: EndpointType) => {
setEndpoint(newEndpoint);
// Clear the conversation when switching endpoints to avoid response ID conflicts
setMessages([]);
setPreviousResponseIds({ chat: null, langflow: null });
};
const handleFileUpload = async (file: File) => {
console.log("handleFileUpload called with file:", file.name);
if (isUploading) return;
setIsUploading(true);
setLoading(true);
// Add initial upload message
const uploadStartMessage: Message = {
role: "assistant",
content: `🔄 Starting upload of **${file.name}**...`,
timestamp: new Date(),
};
setMessages((prev) => [...prev, uploadStartMessage]);
try {
const formData = new FormData();
formData.append("file", file);
formData.append("endpoint", endpoint);
// Add previous_response_id if we have one for this endpoint
const currentResponseId = previousResponseIds[endpoint];
if (currentResponseId) {
formData.append("previous_response_id", currentResponseId);
}
const response = await fetch("/api/upload_context", {
method: "POST",
body: formData,
});
console.log("Upload response status:", response.status);
if (!response.ok) {
const errorText = await response.text();
console.error(
"Upload failed with status:",
response.status,
"Response:",
errorText
);
throw new Error("Failed to process document");
}
const result = await response.json();
console.log("Upload result:", result);
if (response.status === 201) {
// New flow: Got task ID, start tracking with centralized system
const taskId = result.task_id || result.id;
if (!taskId) {
console.error("No task ID in 201 response:", result);
throw new Error("No task ID received from server");
}
// Add task to centralized tracking
addTask(taskId);
// Update message to show task is being tracked
const pollingMessage: Message = {
role: "assistant",
content: `⏳ Upload initiated for **${file.name}**. Processing in background... (Task ID: ${taskId})`,
timestamp: new Date(),
};
setMessages((prev) => [...prev.slice(0, -1), pollingMessage]);
} else if (response.ok) {
// Original flow: Direct response
const uploadMessage: Message = {
role: "assistant",
content: `📄 Document uploaded: **${result.filename}** (${
result.pages
} pages, ${result.content_length.toLocaleString()} characters)\n\n${
result.confirmation
}`,
timestamp: new Date(),
};
setMessages((prev) => [...prev.slice(0, -1), uploadMessage]);
// Add file to conversation docs
if (result.filename) {
addConversationDoc(result.filename);
}
// Update the response ID for this endpoint
if (result.response_id) {
setPreviousResponseIds((prev) => ({
...prev,
[endpoint]: result.response_id,
}));
// If this is a new conversation (no currentConversationId), set it now
if (!currentConversationId) {
setCurrentConversationId(result.response_id);
refreshConversations(true);
} else {
// For existing conversations, do a silent refresh to keep backend in sync
refreshConversationsSilent();
}
}
} else {
throw new Error(`Upload failed: ${response.status}`);
}
} catch (error) {
console.error("Upload failed:", error);
const errorMessage: Message = {
role: "assistant",
content: `❌ Failed to process document. Please try again.`,
timestamp: new Date(),
};
setMessages((prev) => [...prev.slice(0, -1), errorMessage]);
} finally {
setIsUploading(false);
setLoading(false);
}
};
// Remove the old pollTaskStatus function since we're using centralized system
const handleDragEnter = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
dragCounterRef.current++;
if (dragCounterRef.current === 1) {
setIsDragOver(true);
}
};
const handleDragOver = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
};
const handleDragLeave = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
dragCounterRef.current--;
if (dragCounterRef.current === 0) {
setIsDragOver(false);
}
};
const handleDrop = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
dragCounterRef.current = 0;
setIsDragOver(false);
const files = Array.from(e.dataTransfer.files);
if (files.length > 0) {
handleFileUpload(files[0]); // Upload first file only
}
};
const handleFilePickerClick = () => {
fileInputRef.current?.click();
};
const handleFilePickerChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const files = e.target.files;
if (files && files.length > 0) {
handleFileUpload(files[0]);
}
// Reset the input so the same file can be selected again
if (fileInputRef.current) {
fileInputRef.current.value = "";
}
};
const loadAvailableFilters = async () => {
try {
const response = await fetch("/api/knowledge-filter/search", {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
query: "",
limit: 20,
}),
});
const result = await response.json();
if (response.ok && result.success) {
setAvailableFilters(result.filters);
} else {
console.error("Failed to load knowledge filters:", result.error);
setAvailableFilters([]);
}
} catch (error) {
console.error("Failed to load knowledge filters:", error);
setAvailableFilters([]);
}
};
const handleFilterDropdownToggle = () => {
if (!isFilterDropdownOpen) {
loadAvailableFilters();
}
setIsFilterDropdownOpen(!isFilterDropdownOpen);
};
const handleFilterSelect = (filter: KnowledgeFilterData | null) => {
setSelectedFilter(filter);
setIsFilterDropdownOpen(false);
setFilterSearchTerm("");
setIsFilterHighlighted(false);
// Remove the @searchTerm from the input and replace with filter pill
const words = input.split(" ");
const lastWord = words[words.length - 1];
if (lastWord.startsWith("@")) {
// Remove the @search term
words.pop();
setInput(words.join(" ") + (words.length > 0 ? " " : ""));
}
};
useEffect(() => {
// Only auto-scroll if not in the middle of user interaction
if (!isUserInteracting) {
const timer = setTimeout(() => {
scrollToBottom();
}, 50); // Small delay to avoid conflicts with click events
return () => clearTimeout(timer);
}
}, [messages, streamingMessage, isUserInteracting]);
// Reset selected index when search term changes
useEffect(() => {
setSelectedFilterIndex(0);
}, [filterSearchTerm]);
// Auto-focus the input on component mount
useEffect(() => {
inputRef.current?.focus();
}, []);
// Explicitly handle external new conversation trigger
useEffect(() => {
const handleNewConversation = () => {
// Abort any in-flight streaming so it doesn't bleed into new chat
if (streamAbortRef.current) {
streamAbortRef.current.abort();
}
// Reset chat UI even if context state was already 'new'
setMessages([
{
role: "assistant",
content: "How can I assist?",
timestamp: new Date(),
},
]);
setInput("");
setStreamingMessage(null);
setExpandedFunctionCalls(new Set());
setIsFilterHighlighted(false);
setLoading(false);
lastLoadedConversationRef.current = null;
};
const handleFocusInput = () => {
inputRef.current?.focus();
};
window.addEventListener("newConversation", handleNewConversation);
window.addEventListener("focusInput", handleFocusInput);
return () => {
window.removeEventListener("newConversation", handleNewConversation);
window.removeEventListener("focusInput", handleFocusInput);
};
}, []);
// Load conversation only when user explicitly selects a conversation
useEffect(() => {
// Only load conversation data when:
// 1. conversationData exists AND
// 2. It's different from the last loaded conversation AND
// 3. User is not in the middle of an interaction
if (
conversationData &&
conversationData.messages &&
lastLoadedConversationRef.current !== conversationData.response_id &&
!isUserInteracting &&
!isForkingInProgress
) {
console.log(
"Loading conversation with",
conversationData.messages.length,
"messages"
);
// Convert backend message format to frontend Message interface
const convertedMessages: Message[] = conversationData.messages.map(
(msg: {
role: string;
content: string;
timestamp?: string;
response_id?: string;
chunks?: Array<{
item?: {
type?: string;
tool_name?: string;
id?: string;
inputs?: unknown;
results?: unknown;
status?: string;
};
delta?: {
tool_calls?: Array<{
id?: string;
function?: { name?: string; arguments?: string };
type?: string;
}>;
};
type?: string;
result?: unknown;
output?: unknown;
response?: unknown;
}>;
response_data?: unknown;
}) => {
const message: Message = {
role: msg.role as "user" | "assistant",
content: msg.content,
timestamp: new Date(msg.timestamp || new Date()),
};
// Extract function calls from chunks or response_data
if (msg.role === "assistant" && (msg.chunks || msg.response_data)) {
const functionCalls: FunctionCall[] = [];
console.log("Processing assistant message for function calls:", {
hasChunks: !!msg.chunks,
chunksLength: msg.chunks?.length,
hasResponseData: !!msg.response_data,
});
// Process chunks (streaming data)
if (msg.chunks && Array.isArray(msg.chunks)) {
for (const chunk of msg.chunks) {
// Handle Langflow format: chunks[].item.tool_call
if (chunk.item && chunk.item.type === "tool_call") {
const toolCall = chunk.item;
console.log("Found Langflow tool call:", toolCall);
functionCalls.push({
id: toolCall.id || "",
name: toolCall.tool_name || "unknown",
arguments:
(toolCall.inputs as Record<string, unknown>) || {},
argumentsString: JSON.stringify(toolCall.inputs || {}),
result: toolCall.results as
| Record<string, unknown>
| ToolCallResult[],
status:
(toolCall.status as "pending" | "completed" | "error") ||
"completed",
type: "tool_call",
});
}
// Handle OpenAI format: chunks[].delta.tool_calls
else if (chunk.delta?.tool_calls) {
for (const toolCall of chunk.delta.tool_calls) {
if (toolCall.function) {
functionCalls.push({
id: toolCall.id || "",
name: toolCall.function.name || "unknown",
arguments: toolCall.function.arguments
? JSON.parse(toolCall.function.arguments)
: {},
argumentsString: toolCall.function.arguments || "",
status: "completed",
type: toolCall.type || "function",
});
}
}
}
// Process tool call results from chunks
if (
chunk.type === "response.tool_call.result" ||
chunk.type === "tool_call_result"
) {
const lastCall = functionCalls[functionCalls.length - 1];
if (lastCall) {
lastCall.result =
(chunk.result as
| Record<string, unknown>
| ToolCallResult[]) ||
(chunk as Record<string, unknown>);
lastCall.status = "completed";
}
}
}
}
// Process response_data (non-streaming data)
if (msg.response_data && typeof msg.response_data === "object") {
// Look for tool_calls in various places in the response data
const responseData =
typeof msg.response_data === "string"
? JSON.parse(msg.response_data)
: msg.response_data;
if (
responseData.tool_calls &&
Array.isArray(responseData.tool_calls)
) {
for (const toolCall of responseData.tool_calls) {
functionCalls.push({
id: toolCall.id,
name: toolCall.function?.name || toolCall.name,
arguments:
toolCall.function?.arguments || toolCall.arguments,
argumentsString:
typeof (
toolCall.function?.arguments || toolCall.arguments
) === "string"
? toolCall.function?.arguments || toolCall.arguments
: JSON.stringify(
toolCall.function?.arguments || toolCall.arguments
),
result: toolCall.result,
status: "completed",
type: toolCall.type || "function",
});
}
}
}
if (functionCalls.length > 0) {
console.log("Setting functionCalls on message:", functionCalls);
message.functionCalls = functionCalls;
} else {
console.log("No function calls found in message");
}
}
return message;
}
);
setMessages(convertedMessages);
lastLoadedConversationRef.current = conversationData.response_id;
// Set the previous response ID for this conversation
setPreviousResponseIds((prev) => ({
...prev,
[conversationData.endpoint]: conversationData.response_id,
}));
}
}, [
conversationData,
isUserInteracting,
isForkingInProgress,
setPreviousResponseIds,
]);
// Handle new conversation creation - only reset messages when placeholderConversation is set
useEffect(() => {
if (placeholderConversation && currentConversationId === null) {
console.log("Starting new conversation");
setMessages([
{
role: "assistant",
content: "How can I assist?",
timestamp: new Date(),
},
]);
lastLoadedConversationRef.current = null;
}
}, [placeholderConversation, currentConversationId]);
// Listen for file upload events from navigation
useEffect(() => {
const handleFileUploadStart = (event: CustomEvent) => {
const { filename } = event.detail;
console.log("Chat page received file upload start event:", filename);
setLoading(true);
setIsUploading(true);
// Add initial upload message
const uploadStartMessage: Message = {
role: "assistant",
content: `🔄 Starting upload of **${filename}**...`,
timestamp: new Date(),
};
setMessages((prev) => [...prev, uploadStartMessage]);
};
const handleFileUploaded = (event: CustomEvent) => {
const { result } = event.detail;
console.log("Chat page received file upload event:", result);
// Replace the last message with upload complete message
const uploadMessage: Message = {
role: "assistant",
content: `📄 Document uploaded: **${result.filename}** (${
result.pages
} pages, ${result.content_length.toLocaleString()} characters)\n\n${
result.confirmation
}`,
timestamp: new Date(),
};
setMessages((prev) => [...prev.slice(0, -1), uploadMessage]);
// Update the response ID for this endpoint
if (result.response_id) {
setPreviousResponseIds((prev) => ({
...prev,
[endpoint]: result.response_id,
}));
}
};
const handleFileUploadComplete = () => {
console.log("Chat page received file upload complete event");
setLoading(false);
setIsUploading(false);
};
const handleFileUploadError = (event: CustomEvent) => {
const { filename, error } = event.detail;
console.log(
"Chat page received file upload error event:",
filename,
error
);
// Replace the last message with error message
const errorMessage: Message = {
role: "assistant",
content: `❌ Upload failed for **${filename}**: ${error}`,
timestamp: new Date(),
};
setMessages((prev) => [...prev.slice(0, -1), errorMessage]);
};
window.addEventListener(
"fileUploadStart",
handleFileUploadStart as EventListener
);
window.addEventListener(
"fileUploaded",
handleFileUploaded as EventListener
);
window.addEventListener(
"fileUploadComplete",
handleFileUploadComplete as EventListener
);
window.addEventListener(
"fileUploadError",
handleFileUploadError as EventListener
);
return () => {
window.removeEventListener(
"fileUploadStart",
handleFileUploadStart as EventListener
);
window.removeEventListener(
"fileUploaded",
handleFileUploaded as EventListener
);
window.removeEventListener(
"fileUploadComplete",
handleFileUploadComplete as EventListener
);
window.removeEventListener(
"fileUploadError",
handleFileUploadError as EventListener
);
};
}, [endpoint, setPreviousResponseIds]);
// Handle click outside to close dropdown
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (
isFilterDropdownOpen &&
dropdownRef.current &&
!dropdownRef.current.contains(event.target as Node) &&
!inputRef.current?.contains(event.target as Node)
) {
setIsFilterDropdownOpen(false);
setFilterSearchTerm("");
setSelectedFilterIndex(0);
}
};
document.addEventListener("mousedown", handleClickOutside);
return () => {
document.removeEventListener("mousedown", handleClickOutside);
};
}, [isFilterDropdownOpen]);
const { data: nudges = [], cancel: cancelNudges } = useGetNudgesQuery(
previousResponseIds[endpoint]
);
const handleSSEStream = async (userMessage: Message) => {
const apiEndpoint = endpoint === "chat" ? "/api/chat" : "/api/langflow";
try {
// Abort any existing stream before starting a new one
if (streamAbortRef.current) {
streamAbortRef.current.abort();
}
const controller = new AbortController();
streamAbortRef.current = controller;
const thisStreamId = ++streamIdRef.current;
const requestBody: RequestBody = {
prompt: userMessage.content,
stream: true,
...(parsedFilterData?.filters &&
(() => {
const filters = parsedFilterData.filters;
const processed: SelectedFilters = {
data_sources: [],
document_types: [],
owners: [],
};
// Only copy non-wildcard arrays
processed.data_sources = filters.data_sources.includes("*")
? []
: filters.data_sources;
processed.document_types = filters.document_types.includes("*")
? []
: filters.document_types;
processed.owners = filters.owners.includes("*")
? []
: filters.owners;
// Only include filters if any array has values
const hasFilters =
processed.data_sources.length > 0 ||
processed.document_types.length > 0 ||
processed.owners.length > 0;
return hasFilters ? { filters: processed } : {};
})()),
limit: parsedFilterData?.limit ?? 10,
scoreThreshold: parsedFilterData?.scoreThreshold ?? 0,
};
// Add previous_response_id if we have one for this endpoint
const currentResponseId = previousResponseIds[endpoint];
if (currentResponseId) {
requestBody.previous_response_id = currentResponseId;
}
const response = await fetch(apiEndpoint, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify(requestBody),
signal: controller.signal,
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const reader = response.body?.getReader();
if (!reader) {
throw new Error("No reader available");
}
const decoder = new TextDecoder();
let buffer = "";
let currentContent = "";
const currentFunctionCalls: FunctionCall[] = [];
let newResponseId: string | null = null;
// Initialize streaming message
if (!controller.signal.aborted && thisStreamId === streamIdRef.current) {
setStreamingMessage({
content: "",
functionCalls: [],
timestamp: new Date(),
});
}
try {
while (true) {
const { done, value } = await reader.read();
if (controller.signal.aborted || thisStreamId !== streamIdRef.current)
break;
if (done) break;
buffer += decoder.decode(value, { stream: true });
// Process complete lines (JSON objects)
const lines = buffer.split("\n");
buffer = lines.pop() || ""; // Keep incomplete line in buffer
for (const line of lines) {
if (line.trim()) {
try {
const chunk = JSON.parse(line);
console.log(
"Received chunk:",
chunk.type || chunk.object,
chunk
);
// Extract response ID if present
if (chunk.id) {
newResponseId = chunk.id;
} else if (chunk.response_id) {
newResponseId = chunk.response_id;
}
// Handle OpenAI Chat Completions streaming format
if (chunk.object === "response.chunk" && chunk.delta) {
// Handle function calls in delta
if (chunk.delta.function_call) {
console.log(
"Function call in delta:",
chunk.delta.function_call
);
// Check if this is a new function call
if (chunk.delta.function_call.name) {
console.log(
"New function call:",
chunk.delta.function_call.name
);
const functionCall: FunctionCall = {
name: chunk.delta.function_call.name,
arguments: undefined,
status: "pending",
argumentsString:
chunk.delta.function_call.arguments || "",
};
currentFunctionCalls.push(functionCall);
console.log("Added function call:", functionCall);
}
// Or if this is arguments continuation
else if (chunk.delta.function_call.arguments) {
console.log(
"Function call arguments delta:",
chunk.delta.function_call.arguments
);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall) {
if (!lastFunctionCall.argumentsString) {
lastFunctionCall.argumentsString = "";
}
lastFunctionCall.argumentsString +=
chunk.delta.function_call.arguments;
console.log(
"Accumulated arguments:",
lastFunctionCall.argumentsString
);
// Try to parse arguments if they look complete
if (lastFunctionCall.argumentsString.includes("}")) {
try {
const parsed = JSON.parse(
lastFunctionCall.argumentsString
);
lastFunctionCall.arguments = parsed;
lastFunctionCall.status = "completed";
console.log("Parsed function arguments:", parsed);
} catch (e) {
console.log(
"Arguments not yet complete or invalid JSON:",
e
);
}
}
}
}
}
// Handle tool calls in delta
else if (
chunk.delta.tool_calls &&
Array.isArray(chunk.delta.tool_calls)
) {
console.log("Tool calls in delta:", chunk.delta.tool_calls);
for (const toolCall of chunk.delta.tool_calls) {
if (toolCall.function) {
// Check if this is a new tool call
if (toolCall.function.name) {
console.log("New tool call:", toolCall.function.name);
const functionCall: FunctionCall = {
name: toolCall.function.name,
arguments: undefined,
status: "pending",
argumentsString: toolCall.function.arguments || "",
};
currentFunctionCalls.push(functionCall);
console.log("Added tool call:", functionCall);
}
// Or if this is arguments continuation
else if (toolCall.function.arguments) {
console.log(
"Tool call arguments delta:",
toolCall.function.arguments
);
const lastFunctionCall =
currentFunctionCalls[
currentFunctionCalls.length - 1
];
if (lastFunctionCall) {
if (!lastFunctionCall.argumentsString) {
lastFunctionCall.argumentsString = "";
}
lastFunctionCall.argumentsString +=
toolCall.function.arguments;
console.log(
"Accumulated tool arguments:",
lastFunctionCall.argumentsString
);
// Try to parse arguments if they look complete
if (
lastFunctionCall.argumentsString.includes("}")
) {
try {
const parsed = JSON.parse(
lastFunctionCall.argumentsString
);
lastFunctionCall.arguments = parsed;
lastFunctionCall.status = "completed";
console.log("Parsed tool arguments:", parsed);
} catch (e) {
console.log(
"Tool arguments not yet complete or invalid JSON:",
e
);
}
}
}
}
}
}
}
// Handle content/text in delta
else if (chunk.delta.content) {
console.log("Content delta:", chunk.delta.content);
currentContent += chunk.delta.content;
}
// Handle finish reason
if (chunk.delta.finish_reason) {
console.log("Finish reason:", chunk.delta.finish_reason);
// Mark any pending function calls as completed
currentFunctionCalls.forEach((fc) => {
if (fc.status === "pending" && fc.argumentsString) {
try {
fc.arguments = JSON.parse(fc.argumentsString);
fc.status = "completed";
console.log("Completed function call on finish:", fc);
} catch (e) {
fc.arguments = { raw: fc.argumentsString };
fc.status = "error";
console.log(
"Error parsing function call on finish:",
fc,
e
);
}
}
});
}
}
// Handle Realtime API format (this is what you're actually getting!)
else if (
chunk.type === "response.output_item.added" &&
chunk.item?.type === "function_call"
) {
console.log(
"🟢 CREATING function call (added):",
chunk.item.id,
chunk.item.tool_name || chunk.item.name
);
// Try to find an existing pending call to update (created by earlier deltas)
let existing = currentFunctionCalls.find(
(fc) => fc.id === chunk.item.id
);
if (!existing) {
existing = [...currentFunctionCalls]
.reverse()
.find(
(fc) =>
fc.status === "pending" &&
!fc.id &&
fc.name === (chunk.item.tool_name || chunk.item.name)
);
}
if (existing) {
existing.id = chunk.item.id;
existing.type = chunk.item.type;
existing.name =
chunk.item.tool_name || chunk.item.name || existing.name;
existing.arguments =
chunk.item.inputs || existing.arguments;
console.log(
"🟢 UPDATED existing pending function call with id:",
existing.id
);
} else {
const functionCall: FunctionCall = {
name:
chunk.item.tool_name || chunk.item.name || "unknown",
arguments: chunk.item.inputs || undefined,
status: "pending",
argumentsString: "",
id: chunk.item.id,
type: chunk.item.type,
};
currentFunctionCalls.push(functionCall);
console.log(
"🟢 Function calls now:",
currentFunctionCalls.map((fc) => ({
id: fc.id,
name: fc.name,
}))
);
}
}
// Handle function call arguments streaming (Realtime API)
else if (
chunk.type === "response.function_call_arguments.delta"
) {
console.log(
"Function args delta (Realtime API):",
chunk.delta
);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall) {
if (!lastFunctionCall.argumentsString) {
lastFunctionCall.argumentsString = "";
}
lastFunctionCall.argumentsString += chunk.delta || "";
console.log(
"Accumulated arguments (Realtime API):",
lastFunctionCall.argumentsString
);
}
}
// Handle function call arguments completion (Realtime API)
else if (
chunk.type === "response.function_call_arguments.done"
) {
console.log(
"Function args done (Realtime API):",
chunk.arguments
);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall) {
try {
lastFunctionCall.arguments = JSON.parse(
chunk.arguments || "{}"
);
lastFunctionCall.status = "completed";
console.log(
"Parsed function arguments (Realtime API):",
lastFunctionCall.arguments
);
} catch (e) {
lastFunctionCall.arguments = { raw: chunk.arguments };
lastFunctionCall.status = "error";
console.log(
"Error parsing function arguments (Realtime API):",
e
);
}
}
}
// Handle function call completion (Realtime API)
else if (
chunk.type === "response.output_item.done" &&
chunk.item?.type === "function_call"
) {
console.log(
"🔵 UPDATING function call (done):",
chunk.item.id,
chunk.item.tool_name || chunk.item.name
);
console.log(
"🔵 Looking for existing function calls:",
currentFunctionCalls.map((fc) => ({
id: fc.id,
name: fc.name,
}))
);
// Find existing function call by ID or name
const functionCall = currentFunctionCalls.find(
(fc) =>
fc.id === chunk.item.id ||
fc.name === chunk.item.tool_name ||
fc.name === chunk.item.name
);
if (functionCall) {
console.log(
"🔵 FOUND existing function call, updating:",
functionCall.id,
functionCall.name
);
// Update existing function call with completion data
functionCall.status =
chunk.item.status === "completed" ? "completed" : "error";
functionCall.id = chunk.item.id;
functionCall.type = chunk.item.type;
functionCall.name =
chunk.item.tool_name ||
chunk.item.name ||
functionCall.name;
functionCall.arguments =
chunk.item.inputs || functionCall.arguments;
// Set results if present
if (chunk.item.results) {
functionCall.result = chunk.item.results;
}
} else {
console.log(
"🔴 WARNING: Could not find existing function call to update:",
chunk.item.id,
chunk.item.tool_name,
chunk.item.name
);
}
}
// Handle tool call completion with results
else if (
chunk.type === "response.output_item.done" &&
chunk.item?.type?.includes("_call") &&
chunk.item?.type !== "function_call"
) {
console.log("Tool call done with results:", chunk.item);
// Find existing function call by ID, or by name/type if ID not available
const functionCall = currentFunctionCalls.find(
(fc) =>
fc.id === chunk.item.id ||
fc.name === chunk.item.tool_name ||
fc.name === chunk.item.name ||
fc.name === chunk.item.type ||
fc.name.includes(chunk.item.type.replace("_call", "")) ||
chunk.item.type.includes(fc.name)
);
if (functionCall) {
// Update existing function call
functionCall.arguments =
chunk.item.inputs || functionCall.arguments;
functionCall.status =
chunk.item.status === "completed" ? "completed" : "error";
functionCall.id = chunk.item.id;
functionCall.type = chunk.item.type;
// Set the results
if (chunk.item.results) {
functionCall.result = chunk.item.results;
}
} else {
// Create new function call if not found
const newFunctionCall = {
name:
chunk.item.tool_name ||
chunk.item.name ||
chunk.item.type ||
"unknown",
arguments: chunk.item.inputs || {},
status: "completed" as const,
id: chunk.item.id,
type: chunk.item.type,
result: chunk.item.results,
};
currentFunctionCalls.push(newFunctionCall);
}
}
// Handle function call output item added (new format)
else if (
chunk.type === "response.output_item.added" &&
chunk.item?.type?.includes("_call") &&
chunk.item?.type !== "function_call"
) {
console.log(
"🟡 CREATING tool call (added):",
chunk.item.id,
chunk.item.tool_name || chunk.item.name,
chunk.item.type
);
// Dedupe by id or pending with same name
let existing = currentFunctionCalls.find(
(fc) => fc.id === chunk.item.id
);
if (!existing) {
existing = [...currentFunctionCalls]
.reverse()
.find(
(fc) =>
fc.status === "pending" &&
!fc.id &&
fc.name ===
(chunk.item.tool_name ||
chunk.item.name ||
chunk.item.type)
);
}
if (existing) {
existing.id = chunk.item.id;
existing.type = chunk.item.type;
existing.name =
chunk.item.tool_name ||
chunk.item.name ||
chunk.item.type ||
existing.name;
existing.arguments =
chunk.item.inputs || existing.arguments;
console.log(
"🟡 UPDATED existing pending tool call with id:",
existing.id
);
} else {
const functionCall = {
name:
chunk.item.tool_name ||
chunk.item.name ||
chunk.item.type ||
"unknown",
arguments: chunk.item.inputs || {},
status: "pending" as const,
id: chunk.item.id,
type: chunk.item.type,
};
currentFunctionCalls.push(functionCall);
console.log(
"🟡 Function calls now:",
currentFunctionCalls.map((fc) => ({
id: fc.id,
name: fc.name,
type: fc.type,
}))
);
}
}
// Handle function call results
else if (
chunk.type === "response.function_call.result" ||
chunk.type === "function_call_result"
) {
console.log("Function call result:", chunk.result || chunk);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall) {
lastFunctionCall.result =
chunk.result || chunk.output || chunk.response;
lastFunctionCall.status = "completed";
}
}
// Handle tool call results
else if (
chunk.type === "response.tool_call.result" ||
chunk.type === "tool_call_result"
) {
console.log("Tool call result:", chunk.result || chunk);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall) {
lastFunctionCall.result =
chunk.result || chunk.output || chunk.response;
lastFunctionCall.status = "completed";
}
}
// Handle generic results that might be in different formats
else if (
(chunk.type && chunk.type.includes("result")) ||
chunk.result
) {
console.log("Generic result:", chunk);
const lastFunctionCall =
currentFunctionCalls[currentFunctionCalls.length - 1];
if (lastFunctionCall && !lastFunctionCall.result) {
lastFunctionCall.result =
chunk.result || chunk.output || chunk.response || chunk;
lastFunctionCall.status = "completed";
}
}
// Handle text output streaming (Realtime API)
else if (chunk.type === "response.output_text.delta") {
console.log("Text delta (Realtime API):", chunk.delta);
currentContent += chunk.delta || "";
}
// Log unhandled chunks
else if (
chunk.type !== null &&
chunk.object !== "response.chunk"
) {
console.log("Unhandled chunk format:", chunk);
}
// Update streaming message
if (
!controller.signal.aborted &&
thisStreamId === streamIdRef.current
) {
setStreamingMessage({
content: currentContent,
functionCalls: [...currentFunctionCalls],
timestamp: new Date(),
});
}
} catch (parseError) {
console.warn("Failed to parse chunk:", line, parseError);
}
}
}
}
} finally {
reader.releaseLock();
}
// Finalize the message
const finalMessage: Message = {
role: "assistant",
content: currentContent,
functionCalls: currentFunctionCalls,
timestamp: new Date(),
};
if (!controller.signal.aborted && thisStreamId === streamIdRef.current) {
setMessages((prev) => [...prev, finalMessage]);
setStreamingMessage(null);
if (previousResponseIds[endpoint]) {
cancelNudges();
}
}
// Store the response ID for the next request for this endpoint
if (
newResponseId &&
!controller.signal.aborted &&
thisStreamId === streamIdRef.current
) {
setPreviousResponseIds((prev) => ({
...prev,
[endpoint]: newResponseId,
}));
// If this is a new conversation (no currentConversationId), set it now
if (!currentConversationId) {
setCurrentConversationId(newResponseId);
refreshConversations(true);
} else {
// For existing conversations, do a silent refresh to keep backend in sync
refreshConversationsSilent();
}
}
} catch (error) {
// If stream was aborted (e.g., starting new conversation), do not append errors or final messages
if (streamAbortRef.current?.signal.aborted) {
return;
}
console.error("SSE Stream error:", error);
setStreamingMessage(null);
const errorMessage: Message = {
role: "assistant",
content:
"Sorry, I couldn't connect to the chat service. Please try again.",
timestamp: new Date(),
};
setMessages((prev) => [...prev, errorMessage]);
}
};
const handleSendMessage = async (inputMessage: string) => {
if (!inputMessage.trim() || loading) return;
const userMessage: Message = {
role: "user",
content: inputMessage.trim(),
timestamp: new Date(),
};
setMessages((prev) => [...prev, userMessage]);
setInput("");
setLoading(true);
setIsFilterHighlighted(false);
if (asyncMode) {
await handleSSEStream(userMessage);
} else {
// Original non-streaming logic
try {
const apiEndpoint = endpoint === "chat" ? "/api/chat" : "/api/langflow";
const requestBody: RequestBody = {
prompt: userMessage.content,
...(parsedFilterData?.filters &&
(() => {
const filters = parsedFilterData.filters;
const processed: SelectedFilters = {
data_sources: [],
document_types: [],
owners: [],
};
// Only copy non-wildcard arrays
processed.data_sources = filters.data_sources.includes("*")
? []
: filters.data_sources;
processed.document_types = filters.document_types.includes("*")
? []
: filters.document_types;
processed.owners = filters.owners.includes("*")
? []
: filters.owners;
// Only include filters if any array has values
const hasFilters =
processed.data_sources.length > 0 ||
processed.document_types.length > 0 ||
processed.owners.length > 0;
return hasFilters ? { filters: processed } : {};
})()),
limit: parsedFilterData?.limit ?? 10,
scoreThreshold: parsedFilterData?.scoreThreshold ?? 0,
};
// Add previous_response_id if we have one for this endpoint
const currentResponseId = previousResponseIds[endpoint];
if (currentResponseId) {
requestBody.previous_response_id = currentResponseId;
}
const response = await fetch(apiEndpoint, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify(requestBody),
});
const result = await response.json();
if (response.ok) {
const assistantMessage: Message = {
role: "assistant",
content: result.response,
timestamp: new Date(),
};
setMessages((prev) => [...prev, assistantMessage]);
if (result.response_id) {
cancelNudges();
}
// Store the response ID if present for this endpoint
if (result.response_id) {
setPreviousResponseIds((prev) => ({
...prev,
[endpoint]: result.response_id,
}));
// If this is a new conversation (no currentConversationId), set it now
if (!currentConversationId) {
setCurrentConversationId(result.response_id);
refreshConversations(true);
} else {
// For existing conversations, do a silent refresh to keep backend in sync
refreshConversationsSilent();
}
}
} else {
console.error("Chat failed:", result.error);
const errorMessage: Message = {
role: "assistant",
content: "Sorry, I encountered an error. Please try again.",
timestamp: new Date(),
};
setMessages((prev) => [...prev, errorMessage]);
}
} catch (error) {
console.error("Chat error:", error);
const errorMessage: Message = {
role: "assistant",
content:
"Sorry, I couldn't connect to the chat service. Please try again.",
timestamp: new Date(),
};
setMessages((prev) => [...prev, errorMessage]);
}
}
setLoading(false);
};
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
handleSendMessage(input);
};
const toggleFunctionCall = (functionCallId: string) => {
setExpandedFunctionCalls((prev) => {
const newSet = new Set(prev);
if (newSet.has(functionCallId)) {
newSet.delete(functionCallId);
} else {
newSet.add(functionCallId);
}
return newSet;
});
};
const handleForkConversation = (
messageIndex: number,
event?: React.MouseEvent
) => {
// Prevent any default behavior and stop event propagation
if (event) {
event.preventDefault();
event.stopPropagation();
}
// Set interaction state to prevent auto-scroll interference
setIsUserInteracting(true);
setIsForkingInProgress(true);
console.log("Fork conversation called for message index:", messageIndex);
// Get messages up to and including the selected assistant message
const messagesToKeep = messages.slice(0, messageIndex + 1);
// The selected message should be an assistant message (since fork button is only on assistant messages)
const forkedMessage = messages[messageIndex];
if (forkedMessage.role !== "assistant") {
console.error("Fork button should only be on assistant messages");
setIsUserInteracting(false);
setIsForkingInProgress(false);
return;
}
// For forking, we want to continue from the response_id of the assistant message we're forking from
// Since we don't store individual response_ids per message yet, we'll use the current conversation's response_id
// This means we're continuing the conversation thread from that point
const responseIdToForkFrom =
currentConversationId || previousResponseIds[endpoint];
// Create a new conversation by properly forking
setMessages(messagesToKeep);
// Use the chat context's fork method which handles creating a new conversation properly
if (forkFromResponse) {
forkFromResponse(responseIdToForkFrom || "");
} else {
// Fallback to manual approach
setCurrentConversationId(null); // This creates a new conversation thread
// Set the response_id we want to continue from as the previous response ID
// This tells the backend to continue the conversation from this point
setPreviousResponseIds((prev) => ({
...prev,
[endpoint]: responseIdToForkFrom,
}));
}
console.log("Forked conversation with", messagesToKeep.length, "messages");
// Reset interaction state after a longer delay to ensure all effects complete
setTimeout(() => {
setIsUserInteracting(false);
setIsForkingInProgress(false);
console.log("Fork interaction complete, re-enabling auto effects");
}, 500);
// The original conversation remains unchanged in the sidebar
// This new forked conversation will get its own response_id when the user sends the next message
};
const renderFunctionCalls = (
functionCalls: FunctionCall[],
messageIndex?: number
) => {
if (!functionCalls || functionCalls.length === 0) return null;
return (
<div className="mb-3 space-y-2">
{functionCalls.map((fc, index) => {
const functionCallId = `${messageIndex || "streaming"}-${index}`;
const isExpanded = expandedFunctionCalls.has(functionCallId);
// Determine display name - show both name and type if available
const displayName =
fc.type && fc.type !== fc.name
? `${fc.name} (${fc.type})`
: fc.name;
return (
<div
key={index}
className="rounded-lg bg-blue-500/10 border border-blue-500/20 p-3"
>
<div
className="flex items-center gap-2 cursor-pointer hover:bg-blue-500/5 -m-3 p-3 rounded-lg transition-colors"
onClick={() => toggleFunctionCall(functionCallId)}
>
<Settings className="h-4 w-4 text-blue-400" />
<span className="text-sm font-medium text-blue-400 flex-1">
Function Call: {displayName}
</span>
{fc.id && (
<span className="text-xs text-blue-300/70 font-mono">
{fc.id.substring(0, 8)}...
</span>
)}
<div
className={`px-2 py-1 rounded text-xs font-medium ${
fc.status === "completed"
? "bg-green-500/20 text-green-400"
: fc.status === "error"
? "bg-red-500/20 text-red-400"
: "bg-yellow-500/20 text-yellow-400"
}`}
>
{fc.status}
</div>
{isExpanded ? (
<ChevronDown className="h-4 w-4 text-blue-400" />
) : (
<ChevronRight className="h-4 w-4 text-blue-400" />
)}
</div>
{isExpanded && (
<div className="mt-3 pt-3 border-t border-blue-500/20">
{/* Show type information if available */}
{fc.type && (
<div className="text-xs text-muted-foreground mb-3">
<span className="font-medium">Type:</span>
<span className="ml-2 px-2 py-1 bg-muted/30 rounded font-mono">
{fc.type}
</span>
</div>
)}
{/* Show ID if available */}
{fc.id && (
<div className="text-xs text-muted-foreground mb-3">
<span className="font-medium">ID:</span>
<span className="ml-2 px-2 py-1 bg-muted/30 rounded font-mono">
{fc.id}
</span>
</div>
)}
{/* Show arguments - either completed or streaming */}
{(fc.arguments || fc.argumentsString) && (
<div className="text-xs text-muted-foreground mb-3">
<span className="font-medium">Arguments:</span>
<pre className="mt-1 p-2 bg-muted/30 rounded text-xs overflow-x-auto">
{fc.arguments
? JSON.stringify(fc.arguments, null, 2)
: fc.argumentsString || "..."}
</pre>
</div>
)}
{fc.result && (
<div className="text-xs text-muted-foreground">
<span className="font-medium">Result:</span>
{Array.isArray(fc.result) ? (
<div className="mt-1 space-y-2">
{(() => {
// Handle different result formats
let resultsToRender = fc.result;
// Check if this is function_call format with nested results
// Function call format: results = [{ results: [...] }]
// Tool call format: results = [{ text_key: ..., data: {...} }]
if (
fc.result.length > 0 &&
fc.result[0]?.results &&
Array.isArray(fc.result[0].results) &&
!fc.result[0].text_key
) {
resultsToRender = fc.result[0].results;
}
type ToolResultItem = {
text_key?: string;
data?: { file_path?: string; text?: string };
filename?: string;
page?: number;
score?: number;
source_url?: string | null;
text?: string;
};
const items =
resultsToRender as unknown as ToolResultItem[];
return items.map((result, idx: number) => (
<div
key={idx}
className="p-2 bg-muted/30 rounded border border-muted/50"
>
{/* Handle tool_call format (file_path in data) */}
{result.data?.file_path && (
<div className="font-medium text-blue-400 mb-1 text-xs">
📄 {result.data.file_path || "Unknown file"}
</div>
)}
{/* Handle function_call format (filename directly) */}
{result.filename && !result.data?.file_path && (
<div className="font-medium text-blue-400 mb-1 text-xs">
📄 {result.filename}
{result.page && ` (page ${result.page})`}
{result.score && (
<span className="ml-2 text-xs text-muted-foreground">
Score: {result.score.toFixed(3)}
</span>
)}
</div>
)}
{/* Handle tool_call text format */}
{result.data?.text && (
<div className="text-xs text-foreground whitespace-pre-wrap max-h-32 overflow-y-auto">
{result.data.text.length > 300
? result.data.text.substring(0, 300) +
"..."
: result.data.text}
</div>
)}
{/* Handle function_call text format */}
{result.text && !result.data?.text && (
<div className="text-xs text-foreground whitespace-pre-wrap max-h-32 overflow-y-auto">
{result.text.length > 300
? result.text.substring(0, 300) + "..."
: result.text}
</div>
)}
{/* Show additional metadata for function_call format */}
{result.source_url && (
<div className="text-xs text-muted-foreground mt-1">
<a
href={result.source_url}
target="_blank"
rel="noopener noreferrer"
className="text-blue-400 hover:underline"
>
Source URL
</a>
</div>
)}
{result.text_key && (
<div className="text-xs text-muted-foreground mt-1">
Key: {result.text_key}
</div>
)}
</div>
));
})()}
<div className="text-xs text-muted-foreground">
Found{" "}
{(() => {
let resultsToCount = fc.result;
if (
fc.result.length > 0 &&
fc.result[0]?.results &&
Array.isArray(fc.result[0].results) &&
!fc.result[0].text_key
) {
resultsToCount = fc.result[0].results;
}
return resultsToCount.length;
})()}{" "}
result
{(() => {
let resultsToCount = fc.result;
if (
fc.result.length > 0 &&
fc.result[0]?.results &&
Array.isArray(fc.result[0].results) &&
!fc.result[0].text_key
) {
resultsToCount = fc.result[0].results;
}
return resultsToCount.length !== 1 ? "s" : "";
})()}
</div>
</div>
) : (
<pre className="mt-1 p-2 bg-muted/30 rounded text-xs overflow-x-auto">
{JSON.stringify(fc.result, null, 2)}
</pre>
)}
</div>
)}
</div>
)}
</div>
);
})}
</div>
);
};
const handleSuggestionClick = (suggestion: string) => {
handleSendMessage(suggestion);
};
return (
<div
className={`fixed inset-0 md:left-72 top-[53px] flex flex-col transition-all duration-300 ${
isMenuOpen && isPanelOpen
? "md:right-[704px]" // Both open: 384px (menu) + 320px (KF panel)
: isMenuOpen
? "md:right-96" // Only menu open: 384px
: isPanelOpen
? "md:right-80" // Only KF panel open: 320px
: "md:right-6" // Neither open: 24px
}`}
>
{/* Debug header - only show in debug mode */}
{isDebugMode && (
<div className="flex items-center justify-between mb-6 px-6 pt-6">
<div className="flex items-center gap-2"></div>
<div className="flex items-center gap-4">
{/* Async Mode Toggle */}
<div className="flex items-center gap-2 bg-muted/50 rounded-lg p-1">
<Button
variant={!asyncMode ? "default" : "ghost"}
size="sm"
onClick={() => setAsyncMode(false)}
className="h-7 text-xs"
>
Streaming Off
</Button>
<Button
variant={asyncMode ? "default" : "ghost"}
size="sm"
onClick={() => setAsyncMode(true)}
className="h-7 text-xs"
>
<Zap className="h-3 w-3 mr-1" />
Streaming On
</Button>
</div>
{/* Endpoint Toggle */}
<div className="flex items-center gap-2 bg-muted/50 rounded-lg p-1">
<Button
variant={endpoint === "chat" ? "default" : "ghost"}
size="sm"
onClick={() => handleEndpointChange("chat")}
className="h-7 text-xs"
>
Chat
</Button>
<Button
variant={endpoint === "langflow" ? "default" : "ghost"}
size="sm"
onClick={() => handleEndpointChange("langflow")}
className="h-7 text-xs"
>
Langflow
</Button>
</div>
</div>
</div>
)}
<div
className={`flex-1 flex flex-col min-h-0 px-6 ${
!isDebugMode ? "pt-6" : ""
}`}
>
<div className="flex-1 flex flex-col gap-4 min-h-0 overflow-hidden">
{/* Messages Area */}
<div
className={`flex-1 overflow-y-auto overflow-x-hidden scrollbar-hide space-y-6 min-h-0 transition-all relative ${
isDragOver
? "bg-primary/10 border-2 border-dashed border-primary rounded-lg p-4"
: ""
}`}
onDragEnter={handleDragEnter}
onDragOver={handleDragOver}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
>
{messages.length === 0 && !streamingMessage ? (
<div className="flex items-center justify-center h-full text-muted-foreground">
<div className="text-center">
{isDragOver ? (
<>
<Upload className="h-12 w-12 mx-auto mb-4 text-primary" />
<p className="text-primary font-medium">
Drop your document here
</p>
<p className="text-sm mt-2">
I&apos;ll process it and add it to our conversation
context
</p>
</>
) : isUploading ? (
<>
<Loader2 className="h-12 w-12 mx-auto mb-4 animate-spin" />
<p>Processing your document...</p>
<p className="text-sm mt-2">
This may take a few moments
</p>
</>
) : null}
</div>
</div>
) : (
<>
{messages.map((message, index) => (
<div key={index} className="space-y-6 group">
{message.role === "user" && (
<div className="flex gap-3">
<Avatar className="w-8 h-8 flex-shrink-0">
<AvatarImage src={user?.picture} alt={user?.name} />
<AvatarFallback className="text-sm bg-primary/20 text-primary">
{user?.name ? (
user.name.charAt(0).toUpperCase()
) : (
<User className="h-4 w-4" />
)}
</AvatarFallback>
</Avatar>
<div className="flex-1">
<p className="text-foreground whitespace-pre-wrap break-words overflow-wrap-anywhere">
{message.content}
</p>
</div>
</div>
)}
{message.role === "assistant" && (
<div className="flex gap-3">
<div className="w-8 h-8 rounded-lg bg-accent/20 flex items-center justify-center flex-shrink-0">
<Bot className="h-4 w-4 text-accent-foreground" />
</div>
<div className="flex-1 min-w-0">
{renderFunctionCalls(
message.functionCalls || [],
index
)}
<MarkdownRenderer chatMessage={message.content} />
</div>
{endpoint === "chat" && (
<div className="flex-shrink-0 ml-2">
<button
onClick={(e) => handleForkConversation(index, e)}
className="opacity-0 group-hover:opacity-100 transition-opacity p-1 hover:bg-accent rounded text-muted-foreground hover:text-foreground"
title="Fork conversation from here"
>
<GitBranch className="h-3 w-3" />
</button>
</div>
)}
</div>
)}
</div>
))}
{/* Streaming Message Display */}
{streamingMessage && (
<div className="flex gap-3">
<div className="w-8 h-8 rounded-lg bg-accent/20 flex items-center justify-center flex-shrink-0">
<Bot className="h-4 w-4 text-accent-foreground" />
</div>
<div className="flex-1">
{renderFunctionCalls(
streamingMessage.functionCalls,
messages.length
)}
<MarkdownRenderer
chatMessage={streamingMessage.content}
/>
<span className="inline-block w-2 h-4 bg-blue-400 ml-1 animate-pulse"></span>
</div>
</div>
)}
{/* Loading animation - shows immediately after user submits */}
{loading && (
<div className="flex gap-3">
<div className="w-8 h-8 rounded-lg bg-accent/20 flex items-center justify-center flex-shrink-0">
<Bot className="h-4 w-4 text-accent-foreground" />
</div>
<div className="flex-1">
<div className="flex items-center gap-2">
<Loader2 className="w-4 h-4 animate-spin text-muted-foreground" />
<span className="text-sm text-muted-foreground">
Thinking...
</span>
</div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</>
)}
{/* Drag overlay for existing messages */}
{isDragOver && messages.length > 0 && (
<div className="absolute inset-0 bg-primary/20 backdrop-blur-sm flex items-center justify-center rounded-lg">
<div className="text-center">
<Upload className="h-8 w-8 mx-auto mb-2 text-primary" />
<p className="text-primary font-medium">
Drop document to add context
</p>
</div>
</div>
)}
</div>
</div>
</div>
{/* Suggestion chips - always show unless streaming */}
{!streamingMessage && (
<Nudges
nudges={loading ? [] : (nudges as string[])}
handleSuggestionClick={handleSuggestionClick}
/>
)}
{/* Input Area - Fixed at bottom */}
<div className="flex-shrink-0 p-6 pb-8 pt-4 flex justify-center">
<div className="w-full max-w-[75%]">
<form onSubmit={handleSubmit} className="relative">
<div className="relative w-full bg-muted/20 rounded-lg border border-border/50 focus-within:ring-1 focus-within:ring-ring">
{selectedFilter && (
<div className="flex items-center gap-2 px-4 pt-3 pb-1">
<span
className={`inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium transition-colors ${
filterAccentClasses[parsedFilterData?.color || "zinc"]
}`}
>
@filter:{selectedFilter.name}
<button
type="button"
onClick={() => {
setSelectedFilter(null);
setIsFilterHighlighted(false);
}}
className="ml-1 rounded-full p-0.5"
>
<X className="h-3 w-3" />
</button>
</span>
</div>
)}
<textarea
ref={inputRef}
value={input}
onChange={(e) => {
const newValue = e.target.value;
setInput(newValue);
// Clear filter highlight when user starts typing
if (isFilterHighlighted) {
setIsFilterHighlighted(false);
}
// Find if there's an @ at the start of the last word
const words = newValue.split(" ");
const lastWord = words[words.length - 1];
if (lastWord.startsWith("@") && !dropdownDismissed) {
const searchTerm = lastWord.slice(1); // Remove the @
console.log("Setting search term:", searchTerm);
setFilterSearchTerm(searchTerm);
setSelectedFilterIndex(0);
if (!isFilterDropdownOpen) {
loadAvailableFilters();
setIsFilterDropdownOpen(true);
}
} else if (isFilterDropdownOpen) {
// Close dropdown if @ is no longer present
console.log("Closing dropdown - no @ found");
setIsFilterDropdownOpen(false);
setFilterSearchTerm("");
}
// Reset dismissed flag when user moves to a different word
if (dropdownDismissed && !lastWord.startsWith("@")) {
setDropdownDismissed(false);
}
}}
onKeyDown={(e) => {
// Handle backspace for filter clearing
if (
e.key === "Backspace" &&
selectedFilter &&
input.trim() === ""
) {
e.preventDefault();
if (isFilterHighlighted) {
// Second backspace - remove the filter
setSelectedFilter(null);
setIsFilterHighlighted(false);
} else {
// First backspace - highlight the filter
setIsFilterHighlighted(true);
}
return;
}
if (isFilterDropdownOpen) {
const filteredFilters = availableFilters.filter((filter) =>
filter.name
.toLowerCase()
.includes(filterSearchTerm.toLowerCase())
);
if (e.key === "Escape") {
e.preventDefault();
setIsFilterDropdownOpen(false);
setFilterSearchTerm("");
setSelectedFilterIndex(0);
setDropdownDismissed(true);
// Keep focus on the textarea so user can continue typing normally
inputRef.current?.focus();
return;
}
if (e.key === "ArrowDown") {
e.preventDefault();
setSelectedFilterIndex((prev) =>
prev < filteredFilters.length - 1 ? prev + 1 : 0
);
return;
}
if (e.key === "ArrowUp") {
e.preventDefault();
setSelectedFilterIndex((prev) =>
prev > 0 ? prev - 1 : filteredFilters.length - 1
);
return;
}
if (e.key === "Enter") {
// Check if we're at the end of an @ mention (space before cursor or end of input)
const cursorPos = e.currentTarget.selectionStart || 0;
const textBeforeCursor = input.slice(0, cursorPos);
const words = textBeforeCursor.split(" ");
const lastWord = words[words.length - 1];
if (
lastWord.startsWith("@") &&
filteredFilters[selectedFilterIndex]
) {
e.preventDefault();
handleFilterSelect(
filteredFilters[selectedFilterIndex]
);
return;
}
}
if (e.key === " ") {
// Select filter on space if we're typing an @ mention
const cursorPos = e.currentTarget.selectionStart || 0;
const textBeforeCursor = input.slice(0, cursorPos);
const words = textBeforeCursor.split(" ");
const lastWord = words[words.length - 1];
if (
lastWord.startsWith("@") &&
filteredFilters[selectedFilterIndex]
) {
e.preventDefault();
handleFilterSelect(
filteredFilters[selectedFilterIndex]
);
return;
}
}
}
if (
e.key === "Enter" &&
!e.shiftKey &&
!isFilterDropdownOpen
) {
e.preventDefault();
if (input.trim() && !loading) {
// Trigger form submission by finding the form and calling submit
const form = e.currentTarget.closest("form");
if (form) {
form.requestSubmit();
}
}
}
}}
placeholder="Type to ask a question..."
disabled={loading}
className={`w-full bg-transparent px-4 ${
selectedFilter ? "py-2 pb-4" : "py-4"
} min-h-[100px] focus-visible:outline-none resize-none`}
rows={1}
/>
</div>
<input
ref={fileInputRef}
type="file"
onChange={handleFilePickerChange}
className="hidden"
accept=".pdf,.doc,.docx,.txt,.md,.rtf,.odt"
/>
<Button
type="button"
variant="ghost"
size="sm"
onClick={handleFilterDropdownToggle}
className="absolute bottom-3 left-3 h-8 w-8 p-0 rounded-full hover:bg-muted/50"
>
<AtSign className="h-4 w-4" />
</Button>
{isFilterDropdownOpen && (
<div
ref={dropdownRef}
className="absolute bottom-14 left-0 w-64 bg-popover border border-border rounded-md shadow-md z-50 p-2"
>
<div className="space-y-1">
{filterSearchTerm && (
<div className="px-2 py-1.5 text-xs font-medium text-muted-foreground">
Searching: @{filterSearchTerm}
</div>
)}
{availableFilters.length === 0 ? (
<div className="px-2 py-3 text-sm text-muted-foreground">
No knowledge filters available
</div>
) : (
<>
{!filterSearchTerm && (
<button
onClick={() => handleFilterSelect(null)}
className={`w-full text-left px-2 py-2 text-sm rounded hover:bg-muted/50 flex items-center justify-between ${
selectedFilterIndex === -1 ? "bg-muted/50" : ""
}`}
>
<span>No filter</span>
{!selectedFilter && (
<div className="w-2 h-2 rounded-full bg-blue-500" />
)}
</button>
)}
{availableFilters
.filter((filter) =>
filter.name
.toLowerCase()
.includes(filterSearchTerm.toLowerCase())
)
.map((filter, index) => (
<button
key={filter.id}
onClick={() => handleFilterSelect(filter)}
className={`w-full text-left px-2 py-2 text-sm rounded hover:bg-muted/50 flex items-center justify-between ${
index === selectedFilterIndex ? "bg-muted/50" : ""
}`}
>
<div>
<div className="font-medium">{filter.name}</div>
{filter.description && (
<div className="text-xs text-muted-foreground truncate">
{filter.description}
</div>
)}
</div>
{selectedFilter?.id === filter.id && (
<div className="w-2 h-2 rounded-full bg-blue-500" />
)}
</button>
))}
{availableFilters.filter((filter) =>
filter.name
.toLowerCase()
.includes(filterSearchTerm.toLowerCase())
).length === 0 &&
filterSearchTerm && (
<div className="px-2 py-3 text-sm text-muted-foreground">
No filters match &quot;{filterSearchTerm}&quot;
</div>
)}
</>
)}
</div>
</div>
)}
<Button
type="button"
variant="ghost"
size="sm"
onClick={handleFilePickerClick}
disabled={isUploading}
className="absolute bottom-3 left-12 h-8 w-8 p-0 rounded-full hover:bg-muted/50"
>
<Plus className="h-4 w-4" />
</Button>
<Button
type="submit"
disabled={!input.trim() || loading}
className="absolute bottom-3 right-3 rounded-lg h-10 px-4"
>
{loading ? <Loader2 className="h-4 w-4 animate-spin" /> : "Send"}
</Button>
</form>
</div>
</div>
</div>
);
}
export default function ProtectedChatPage() {
return (
<ProtectedRoute>
<ChatPage />
</ProtectedRoute>
);
}