Files
ragflow/web/src/components/floating-chat-widget.tsx
balibabu 9c32b73cf7 Fix: The embedded website floating component on the agent page does not display citations. (#15767)
### What problem does this PR solve?

Fix: The embedded website floating component on the agent page does not
display citations.
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
2026-06-08 16:09:36 +08:00

969 lines
33 KiB
TypeScript

import CopyToClipboard from '@/components/copy-to-clipboard';
import PdfSheet from '@/components/pdf-drawer';
import { useClickDrawer } from '@/components/pdf-drawer/hooks';
import { MessageType, SharedFrom } from '@/constants/chat';
import { useFetchExternalAgentInputs } from '@/hooks/use-agent-request';
import { useFetchExternalChatInfo } from '@/hooks/use-chat-request';
import i18n, { changeLanguageAsync } from '@/locales/config';
import { useSendNextSharedMessage } from '@/pages/agent/hooks/use-send-shared-message';
import { MessageCircle, Minimize2, Send, X } from 'lucide-react';
import React, { useCallback, useEffect, useRef, useState } from 'react';
import { useTranslation } from 'react-i18next';
import {
useGetSharedChatSearchParams,
useSendSharedMessage,
} from '../pages/next-chats/hooks/use-send-shared-message';
import FloatingChatWidgetMarkdown from './floating-chat-widget-markdown';
/**
* Normalizes a hex color input and falls back to a safe default when invalid.
*/
const normalizeHexColor = (value: string | null, fallback: string) => {
return value && /^#([0-9a-f]{3}|[0-9a-f]{6})$/i.test(value)
? value
: fallback;
};
/**
* Darkens a hex color to derive hover and gradient variants for the widget chrome.
*/
const darkenHexColor = (hexColor: string, amount = 0.12) => {
const normalizedHex = hexColor.replace('#', '');
const expandedHex =
normalizedHex.length === 3
? normalizedHex
.split('')
.map((char) => `${char}${char}`)
.join('')
: normalizedHex;
const channels = expandedHex.match(/.{2}/g);
if (!channels) {
return hexColor;
}
return `#${channels
.map((channel) => {
const value = parseInt(channel, 16);
const adjustedValue = Math.max(
0,
Math.min(255, Math.round(value * (1 - amount))),
);
return adjustedValue.toString(16).padStart(2, '0');
})
.join('')}`;
};
/**
* Accepts a footer link from the widget query string and returns a safe HTTP(S) URL.
*/
const normalizeWidgetFooterLink = (value: string | null) => {
const normalizedValue = value?.trim();
if (!normalizedValue) {
return undefined;
}
const candidate = /^[a-z][a-z\d+.-]*:/i.test(normalizedValue)
? normalizedValue
: `https://${normalizedValue}`;
try {
const url = new URL(candidate);
if (url.protocol === 'http:' || url.protocol === 'https:') {
return url.toString();
}
} catch {
return undefined;
}
return undefined;
};
/**
* Renders the embeddable floating chat widget and applies URL-driven widget settings.
*/
const FloatingChatWidget = () => {
const { t } = useTranslation();
const [isOpen, setIsOpen] = useState(false);
const [isMinimized, setIsMinimized] = useState(false);
const [inputValue, setInputValue] = useState('');
const [lastResponseId, setLastResponseId] = useState<string | null>(null);
const [displayMessages, setDisplayMessages] = useState<any[]>([]);
const [isLoaded, setIsLoaded] = useState(false);
const messagesEndRef = useRef<HTMLDivElement>(null);
const {
sharedId: conversationId,
locale,
from,
} = useGetSharedChatSearchParams();
const isFromAgent = from === SharedFrom.Agent;
// Check if we're in button-only mode or window-only mode
const urlParams = new URLSearchParams(window.location.search);
const mode = urlParams.get('mode') || 'full'; // 'button', 'window', or 'full'
const enableStreaming = urlParams.get('streaming') === 'true'; // Only enable if explicitly set to true
const isMuted = urlParams.get('muted') === 'true';
const widgetTitle = urlParams.get('widget_title')?.trim();
const widgetSubtitle = urlParams.get('widget_subtitle')?.trim();
const widgetFooter = urlParams.get('widget_footer')?.trim();
const widgetFooterLink = normalizeWidgetFooterLink(
urlParams.get('widget_footer_link'),
);
const widgetAccentColor = normalizeHexColor(
urlParams.get('widget_accent_color'),
'#2563eb',
);
const widgetAccentColorStrong = darkenHexColor(widgetAccentColor);
const widgetBackgroundColor = normalizeHexColor(
urlParams.get('widget_background_color'),
'#ffffff',
);
const widgetTextColor = normalizeHexColor(
urlParams.get('widget_text_color'),
'#111827',
);
const widgetHeaderTextColor = normalizeHexColor(
urlParams.get('widget_header_text_color'),
'#ffffff',
);
const widgetFooterTextColor = normalizeHexColor(
urlParams.get('widget_footer_text_color'),
'#111827',
);
const hookResult = (
isFromAgent ? useSendNextSharedMessage : useSendSharedMessage
)(() => {});
const {
handlePressEnter,
handleInputChange,
value: hookValue,
sendLoading,
derivedMessages,
hasError,
} = hookResult;
const findReferenceByMessageId = (hookResult as any).findReferenceByMessageId;
// Sync our local input with the hook's value when needed
useEffect(() => {
if (hookValue && hookValue !== inputValue) {
setInputValue(hookValue);
}
}, [hookValue, inputValue]);
const { data } = (
isFromAgent ? useFetchExternalAgentInputs : useFetchExternalChatInfo
)();
const title = data.title;
const displayTitle = widgetTitle || title || t('chat.chatSupport');
const displaySubtitle = widgetSubtitle || t('chat.replyInstantly');
const displayFooter = widgetFooter || '';
const renderFooter = () => {
if (!displayFooter) {
return null;
}
return (
<div
className="mt-3 -mx-4 -mb-4 px-4 py-3 text-center text-xs"
style={{
backgroundColor: widgetAccentColor,
color: widgetFooterTextColor,
}}
>
{widgetFooterLink ? (
<a
href={widgetFooterLink}
target="_blank"
rel="noreferrer"
className="underline underline-offset-2 hover:opacity-90"
style={{ color: widgetFooterTextColor }}
>
{displayFooter}
</a>
) : (
displayFooter
)}
</div>
);
};
const bodyContainerStyle: React.CSSProperties = {
borderRadius: '0 0 16px 16px',
backgroundColor: widgetBackgroundColor,
color: widgetTextColor,
};
const inputStyle: React.CSSProperties = {
minHeight: '44px',
maxHeight: '120px',
color: widgetTextColor,
backgroundColor: widgetBackgroundColor,
};
const { visible, hideModal, documentId, selectedChunk, clickDocumentButton } =
useClickDrawer();
// PDF drawer state tracking
useEffect(() => {
// Drawer state management
}, [visible, documentId, selectedChunk]);
// Play sound when opening
const playNotificationSound = useCallback(() => {
if (isMuted) {
return;
}
try {
const audioContext = new (
window.AudioContext || (window as any).webkitAudioContext
)();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
oscillator.frequency.value = 800;
oscillator.type = 'sine';
gainNode.gain.setValueAtTime(0.3, audioContext.currentTime);
gainNode.gain.exponentialRampToValueAtTime(
0.01,
audioContext.currentTime + 0.3,
);
oscillator.start(audioContext.currentTime);
oscillator.stop(audioContext.currentTime + 0.3);
} catch (error) {
console.warn(error);
// Silent fail if audio not supported
}
}, [isMuted]);
// Play sound for AI responses (Intercom-style)
const playResponseSound = useCallback(() => {
if (isMuted) {
return;
}
try {
const audioContext = new (
window.AudioContext || (window as any).webkitAudioContext
)();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
oscillator.frequency.value = 600;
oscillator.type = 'sine';
gainNode.gain.setValueAtTime(0.2, audioContext.currentTime);
gainNode.gain.exponentialRampToValueAtTime(
0.01,
audioContext.currentTime + 0.2,
);
oscillator.start(audioContext.currentTime);
oscillator.stop(audioContext.currentTime + 0.2);
} catch (error) {
console.warn(error);
// Silent fail if audio not supported
}
}, [isMuted]);
// Set loaded state and locale
useEffect(() => {
// Set component as loaded after a brief moment to prevent flash
const timer = setTimeout(() => {
setIsLoaded(true);
// Tell parent window that we're ready to be shown
window.parent.postMessage(
{
type: 'WIDGET_READY',
},
'*',
);
}, 50);
if (locale && i18n.language !== locale) {
changeLanguageAsync(locale);
}
return () => clearTimeout(timer);
}, [locale]);
// Handle message display based on streaming preference
useEffect(() => {
if (!derivedMessages) {
setDisplayMessages([]);
return;
}
if (enableStreaming) {
// Show messages as they stream
setDisplayMessages(derivedMessages);
} else {
// Only show complete messages (non-streaming mode)
const completeMessages = derivedMessages.filter((msg, index) => {
// Always show user messages immediately
if (msg.role === MessageType.User) return true;
// For AI messages, only show when response is complete (not loading)
if (msg.role === MessageType.Assistant) {
return !sendLoading || index < derivedMessages.length - 1;
}
return true;
});
setDisplayMessages(completeMessages);
}
}, [derivedMessages, enableStreaming, sendLoading]);
// Auto-scroll to bottom when display messages change
useEffect(() => {
messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
}, [displayMessages]);
// Render different content based on mode
// Master mode - handles everything and creates second iframe dynamically
useEffect(() => {
if (mode !== 'master') return;
const isInIframe = window.self !== window.top;
if (isInIframe) {
// Embedded: tell parent to create chat window iframe
window.parent.postMessage(
{
type: 'CREATE_CHAT_WINDOW',
src: window.location.href.replace('mode=master', 'mode=window'),
},
'*',
);
} else {
// Standalone: create chat window iframe ourselves
if (!document.getElementById('chat-win')) {
const i = document.createElement('iframe');
i.id = 'chat-win';
i.src = window.location.href.replace('mode=master', 'mode=window');
i.style.cssText =
'position:fixed;bottom:104px;right:24px;width:380px;height:500px;border:none;background:transparent;z-index:9998;display:none';
i.frameBorder = '0';
i.allow = 'microphone;camera';
document.body.appendChild(i);
}
}
// Listen for toggle messages to show/hide the chat window iframe
const handleToggle = (e: MessageEvent) => {
if (e.data.type === 'TOGGLE_CHAT') {
const chatWindow = document.getElementById(
'chat-win',
) as HTMLIFrameElement;
if (chatWindow) {
chatWindow.style.display = e.data.isOpen ? 'block' : 'none';
}
}
};
window.addEventListener('message', handleToggle);
return () => window.removeEventListener('message', handleToggle);
}, [mode]);
// Play sound only when AI response is complete (not streaming chunks)
useEffect(() => {
if (derivedMessages && derivedMessages.length > 0 && !sendLoading) {
const lastMessage = derivedMessages[derivedMessages.length - 1];
if (
lastMessage.role === MessageType.Assistant &&
lastMessage.id !== lastResponseId &&
derivedMessages.length > 1
) {
setLastResponseId(lastMessage.id || '');
playResponseSound();
}
}
}, [derivedMessages, sendLoading, lastResponseId, playResponseSound]);
const toggleChat = useCallback(() => {
if (mode === 'button') {
// In button mode, communicate with parent window to show/hide chat window
window.parent.postMessage(
{
type: 'TOGGLE_CHAT',
isOpen: !isOpen,
},
'*',
);
setIsOpen(!isOpen);
if (!isOpen) {
playNotificationSound();
}
} else {
// In full mode, handle locally
if (!isOpen) {
setIsOpen(true);
setIsMinimized(false);
playNotificationSound();
} else {
setIsOpen(false);
setIsMinimized(false);
}
}
}, [isOpen, mode, playNotificationSound]);
const minimizeChat = useCallback(() => {
setIsMinimized(true);
}, []);
const handleSendMessage = useCallback(() => {
if (!inputValue.trim() || sendLoading) return;
// Update the hook's internal state first
const syntheticEvent = {
target: { value: inputValue },
currentTarget: { value: inputValue },
preventDefault: () => {},
} as any;
handleInputChange(syntheticEvent);
// Wait for state to update, then send
setTimeout(() => {
handlePressEnter({ enableThinking: false, enableInternet: false });
// Clear our local input after sending
setInputValue('');
}, 50);
}, [inputValue, sendLoading, handleInputChange, handlePressEnter]);
const handleKeyPress = useCallback(
(e: React.KeyboardEvent) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
handleSendMessage();
}
},
[handleSendMessage],
);
if (!conversationId) {
return (
<div className="fixed bottom-5 right-5 z-50">
<div className="bg-red-500 text-white p-4 rounded-lg shadow-lg">
Error: No conversation ID provided
</div>
</div>
);
}
// Remove the blocking return - we'll handle visibility with CSS instead
const messageCount = displayMessages?.length || 0;
// Show just the button in master mode
if (mode === 'master') {
return (
<div
className={`fixed bottom-6 right-6 z-50 transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
<button
type="button"
onClick={() => {
const newIsOpen = !isOpen;
setIsOpen(newIsOpen);
if (newIsOpen) playNotificationSound();
// Send toggle message to parent (if embedded) or self (if standalone)
const target = window.self !== window.top ? window.parent : window;
target.postMessage(
{
type: 'TOGGLE_CHAT',
isOpen: newIsOpen,
},
'*',
);
}}
className={`w-14 h-14 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
style={{ backgroundColor: widgetAccentColor }}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
);
}
if (mode === 'button') {
// Only render the floating button
return (
<div
className={`fixed bottom-6 right-6 z-50 transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
<button
type="button"
onClick={toggleChat}
className={`w-14 h-14 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
style={{ backgroundColor: widgetAccentColor }}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
);
}
if (mode === 'window') {
// Only render the chat window (always open)
return (
<>
<div
className={`fixed top-0 left-0 z-50 rounded-2xl transition-all duration-300 ease-out h-[500px] w-[380px] overflow-hidden ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
style={{ backgroundColor: widgetAccentColor }}
>
{/* Header */}
<div
className="flex items-center justify-between p-4 text-white rounded-t-2xl"
style={{
background: `linear-gradient(to right, ${widgetAccentColor}, ${widgetAccentColorStrong})`,
}}
>
<div className="flex items-center space-x-3">
<div className="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center">
<MessageCircle size={18} />
</div>
<div>
<h3
className="font-semibold text-sm"
style={{ color: widgetHeaderTextColor }}
>
{displayTitle}
</h3>
<p className="text-xs" style={{ color: widgetHeaderTextColor }}>
{displaySubtitle}
</p>
</div>
</div>
</div>
{/* Messages and Input */}
<div className="flex flex-col h-[436px]" style={bodyContainerStyle}>
<div
className="flex-1 overflow-y-auto p-4 space-y-4"
onWheel={(e) => {
const element = e.currentTarget;
const isAtTop = element.scrollTop === 0;
const isAtBottom =
element.scrollTop + element.clientHeight >=
element.scrollHeight - 1;
// Allow scroll to pass through to parent when at boundaries
if ((isAtTop && e.deltaY < 0) || (isAtBottom && e.deltaY > 0)) {
e.preventDefault();
// Let the parent handle the scroll
window.parent.postMessage(
{
type: 'SCROLL_PASSTHROUGH',
deltaY: e.deltaY,
},
'*',
);
}
}}
>
{displayMessages?.map((message, index) => (
<div
key={index}
className={`flex ${message.role === MessageType.User ? 'justify-end' : 'justify-start'}`}
>
<div
className={`group max-w-[280px] px-4 py-2 rounded-2xl ${
message.role === MessageType.User
? 'text-white rounded-br-md'
: 'rounded-bl-md'
}`}
style={
message.role === MessageType.User
? { backgroundColor: widgetAccentColor }
: {
backgroundColor: 'rgba(148, 163, 184, 0.14)',
color: widgetTextColor,
}
}
>
{message.role === MessageType.User ? (
<p className="text-sm leading-relaxed whitespace-pre-wrap">
{message.content}
</p>
) : (
<div className="space-y-2">
<FloatingChatWidgetMarkdown
loading={false}
content={message.content}
reference={
findReferenceByMessageId?.(message.id) ||
message.reference || {
doc_aggs: [],
chunks: [],
total: 0,
}
}
clickDocumentButton={clickDocumentButton}
/>
<div
className="flex justify-end opacity-0 transition-opacity group-hover:opacity-100"
role="toolbar"
>
<CopyToClipboard
text={message.content}
className="border-0"
size="icon-xs"
/>
</div>
</div>
)}
</div>
</div>
))}
{/* Clean Typing Indicator */}
{sendLoading && !enableStreaming && (
<div className="flex justify-start pl-4">
<div className="flex space-x-1">
<div
className="w-2 h-2 rounded-full animate-bounce"
style={{ backgroundColor: widgetAccentColor }}
></div>
<div
className="w-2 h-2 rounded-full animate-bounce"
style={{
backgroundColor: widgetAccentColor,
animationDelay: '0.1s',
}}
></div>
<div
className="w-2 h-2 rounded-full animate-bounce"
style={{
backgroundColor: widgetAccentColor,
animationDelay: '0.2s',
}}
></div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>
{/* Input Area */}
<div
className="border-t border-gray-200 p-4"
style={bodyContainerStyle}
>
<div className="flex items-end space-x-3">
<div className="flex-1">
<textarea
value={inputValue}
onChange={(e) => {
const newValue = e.target.value;
setInputValue(newValue);
handleInputChange(e);
}}
onKeyPress={handleKeyPress}
placeholder={t('chat.typeYourMessage')}
rows={1}
className="w-full resize-none border border-gray-300 rounded-2xl px-4 py-3 text-sm focus:outline-none focus:ring-2 focus:border-transparent"
style={inputStyle}
disabled={hasError || sendLoading}
/>
</div>
<button
type="button"
onClick={handleSendMessage}
disabled={!inputValue.trim() || sendLoading}
className="p-3 text-white rounded-full disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
style={{ backgroundColor: widgetAccentColor }}
>
<Send size={18} />
</button>
</div>
{renderFooter()}
</div>
</div>
</div>
{visible && (
<PdfSheet
visible={visible}
hideModal={hideModal}
documentId={documentId}
chunk={selectedChunk}
width={'100vw'}
height={'100vh'}
/>
)}
</>
);
} // Full mode - render everything together (original behavior)
return (
<div
className={`transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
{/* Chat Widget Container */}
{isOpen && (
<div
className={`fixed bottom-24 right-6 z-50 rounded-2xl transition-all duration-300 ease-out ${
isMinimized ? 'h-16' : 'h-[500px]'
} w-[380px] overflow-hidden`}
style={{ backgroundColor: widgetAccentColor }}
>
{/* Header */}
<div
className="flex items-center justify-between p-4 text-white rounded-t-2xl"
style={{
background: `linear-gradient(to right, ${widgetAccentColor}, ${widgetAccentColorStrong})`,
}}
>
<div className="flex items-center space-x-3">
<div className="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center">
<MessageCircle size={18} />
</div>
<div>
<h3
className="font-semibold text-sm"
style={{ color: widgetHeaderTextColor }}
>
{displayTitle}
</h3>
<p className="text-xs" style={{ color: widgetHeaderTextColor }}>
{displaySubtitle}
</p>
</div>
</div>
<div className="flex items-center space-x-1">
<button
type="button"
onClick={minimizeChat}
className="p-1.5 hover:bg-white hover:bg-opacity-20 rounded-full transition-colors"
>
<Minimize2 size={16} />
</button>
<button
type="button"
onClick={toggleChat}
className="p-1.5 hover:bg-white hover:bg-opacity-20 rounded-full transition-colors"
>
<X size={16} />
</button>
</div>
</div>
{/* Messages Container */}
{!isMinimized && (
<div className="flex flex-col h-[436px]" style={bodyContainerStyle}>
<div
className="flex-1 overflow-y-auto p-4 space-y-4"
onWheel={(e) => {
const element = e.currentTarget;
const isAtTop = element.scrollTop === 0;
const isAtBottom =
element.scrollTop + element.clientHeight >=
element.scrollHeight - 1;
// Allow scroll to pass through to parent when at boundaries
if (
(isAtTop && e.deltaY < 0) ||
(isAtBottom && e.deltaY > 0)
) {
e.preventDefault();
// Let the parent handle the scroll
window.parent.postMessage(
{
type: 'SCROLL_PASSTHROUGH',
deltaY: e.deltaY,
},
'*',
);
}
}}
>
{displayMessages?.map((message, index) => (
<div
key={index}
className={`flex ${message.role === MessageType.User ? 'justify-end' : 'justify-start'}`}
>
<div
className={`group max-w-[280px] px-4 py-2 rounded-2xl ${
message.role === MessageType.User
? 'text-white rounded-br-md'
: 'rounded-bl-md'
}`}
style={
message.role === MessageType.User
? { backgroundColor: widgetAccentColor }
: {
backgroundColor: 'rgba(148, 163, 184, 0.14)',
color: widgetTextColor,
}
}
>
{message.role === MessageType.User ? (
<p className="text-sm leading-relaxed whitespace-pre-wrap">
{message.content}
</p>
) : (
<div className="space-y-2">
<FloatingChatWidgetMarkdown
loading={false}
content={message.content}
reference={
findReferenceByMessageId?.(message.id) ||
message.reference || {
doc_aggs: [],
chunks: [],
total: 0,
}
}
clickDocumentButton={clickDocumentButton}
/>
<div
className="flex justify-end opacity-0 transition-opacity group-hover:opacity-100"
role="toolbar"
>
<CopyToClipboard
text={message.content}
className="border-0"
size="icon-xs"
/>
</div>
</div>
)}
</div>
</div>
))}
{/* Typing Indicator */}
{sendLoading && (
<div className="flex justify-start">
<div className="bg-gray-100 rounded-2xl rounded-bl-md px-4 py-3">
<div className="flex space-x-1">
<div className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"></div>
<div
className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"
style={{ animationDelay: '0.1s' }}
></div>
<div
className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"
style={{ animationDelay: '0.2s' }}
></div>
</div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>
{/* Input Area */}
<div className="border-t border-gray-200 p-4">
<div className="flex items-end space-x-3">
<div className="flex-1">
<textarea
value={inputValue}
onChange={(e) => {
const newValue = e.target.value;
setInputValue(newValue);
// Also update the hook's state
handleInputChange(e);
}}
onKeyPress={handleKeyPress}
placeholder={t('chat.typeYourMessage')}
rows={1}
className="w-full resize-none border border-gray-300 rounded-2xl px-4 py-3 text-sm focus:outline-none focus:ring-2 focus:border-transparent"
style={inputStyle}
disabled={hasError || sendLoading}
/>
</div>
<button
type="button"
onClick={handleSendMessage}
disabled={!inputValue.trim() || sendLoading}
className="p-3 text-white rounded-full disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
style={{ backgroundColor: widgetAccentColor }}
>
<Send size={18} />
</button>
</div>
{renderFooter()}
</div>
</div>
)}
</div>
)}
{/* Floating Button */}
<div className="fixed bottom-6 right-6 z-50">
<button
type="button"
onClick={toggleChat}
className={`w-14 h-14 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
style={{ backgroundColor: widgetAccentColor }}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
<PdfSheet
visible={visible}
hideModal={hideModal}
documentId={documentId}
chunk={selectedChunk}
/>
</div>
);
};
export default FloatingChatWidget;