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import { Bubble, GiftedChat, MessageText } from 'react-native-gifted-chat';
import { KeyboardStickyView } from 'react-native-keyboard-controller';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { Platform, TextInput, TouchableOpacity, View } from 'react-native';
import { ArrowUpIcon, CameraIcon, ImageIcon, StopIcon } from '@repo/ui/icons';
import { Block, ChatMessage } from '@/types/chat';
import { BOT, USER } from '../../contexts/ChatContext';
import { LoadingSlider } from '../LoadingSlider';
import { ChatBlock } from './ChatBlock';
import { ImagePreview } from './ImagePreview';
import { useStyles } from './styles';
import { useChatBox } from './useChatBox';
export const ChatBox = () => {
const styles = useStyles();
const insets = useSafeAreaInsets();
const {
messages,
text,
setText,
keyboardHeight,
isStreaming,
selectedImage,
setSelectedImage,
inputRef,
isInitializing,
processingActionIds,
handlePickImage,
handleLaunchCamera,
onSend: originalOnSend,
handleCancel,
onReset,
handleAction,
initThread,
} = useChatBox();
const giftedChatRef = useRef<any>(null);
const onSend = useCallback(
(value?: string) => {
originalOnSend(value);
},
[originalOnSend],
);
const inputBottomPadding = Platform.OS === 'ios' ? 20 : insets.bottom + 8;
useEffect(() => {
if (messages.length > 0) {
giftedChatRef.current?.scrollToOffset({ offset: 0, animated: true });
}
}, [messages]);
useEffect(() => {
initThread();
}, [initThread]);
const filteredMessages = React.useMemo(() => {
return messages.filter(m => {
if (m.user._id !== BOT._id) return true;
const hasConfirmationBlock = m.blocks?.some(b => b.type === 'confirmation');
const isResolvedExplicitConfirmation = hasConfirmationBlock && !m.pendingAction;
// Also hide "fallback" confirmation messages that have no blocks or text once resolved
const hasNoContent =
(!m.blocks || m.blocks.length === 0) && (!m.text || m.text.trim() === '');
const isResolvedFallback = hasNoContent && !m.pendingAction;
return !isResolvedExplicitConfirmation && !isResolvedFallback;
});
}, [messages]);
return (
<View style={styles.container}>
{/* Header is now managed by BottomSheetModal handleComponent */}
<View style={[styles.chatView, { paddingBottom: keyboardHeight }]}>
{messages.length === 0 && isInitializing ? (
<View style={styles.loadingContainer}>
<LoadingSlider width={70} height={70} />
</View>
) : (
<GiftedChat
messagesContainerRef={giftedChatRef}
messages={filteredMessages}
user={USER}
renderInputToolbar={() => null}
renderAvatar={null}
renderDay={() => null}
renderTime={() => null}
messagesContainerStyle={styles.messagesContainer}
renderBubble={props => {
const chatMsg = props.currentMessage as ChatMessage;
const isImageOnly = !!chatMsg.image && !chatMsg.text;
const hasConfirmationBlock = Boolean(
chatMsg.blocks?.some(block => block.type === 'confirmation'),
);
const hasBlocks = Boolean(chatMsg.blocks && chatMsg.blocks.length > 0);
const shouldRenderPendingActionFallback =
chatMsg.user._id === BOT._id &&
chatMsg.pendingAction?.id &&
chatMsg.pendingAction?.status === 'awaiting_confirmation' &&
!hasConfirmationBlock;
const pendingActionFallbackBlock: Block = {
type: 'confirmation',
title: 'Please confirm',
description: 'Confirm or cancel this pending action.',
};
return (
<Bubble
{...props}
textStyle={{
right: styles.userText,
}}
wrapperStyle={{
right: [
styles.userBubble,
isImageOnly
? { backgroundColor: 'transparent', padding: 0, minHeight: 0 }
: {},
],
left: [
styles.botBubble,
hasBlocks || shouldRenderPendingActionFallback
? { backgroundColor: 'transparent', padding: 0 }
: {},
],
}}
renderMessageText={bubbleProps => {
if (hasBlocks) return null;
return <MessageText {...bubbleProps} />;
}}
renderCustomView={() => {
const blocks = chatMsg.blocks || [];
const bubbleBlockTypes = [
'text',
'suggestions',
'table',
'confirmation',
'error',
];
const elements: React.ReactNode[] = [];
let currentBubble: Block[] = [];
const flushBubble = () => {
if (currentBubble.length > 0) {
const bubbleKey = `bubble-${elements.length}`;
elements.push(
<View key={bubbleKey} style={styles.bubbleContainer}>
{currentBubble.map((b, i) => (
<ChatBlock
key={i}
block={b}
msgId={chatMsg._id as string}
pendingAction={chatMsg.pendingAction}
isActionProcessing={
!!(
chatMsg.pendingAction?.id &&
processingActionIds.includes(chatMsg.pendingAction.id)
)
}
onSend={onSend}
onReset={onReset}
handleAction={handleAction}
/>
))}
</View>,
);
currentBubble = [];
}
};
blocks.forEach(block => {
if (bubbleBlockTypes.includes(block.type)) {
currentBubble.push(block);
} else {
flushBubble();
elements.push(
<ChatBlock
key={`standalone-${elements.length}`}
block={block}
msgId={chatMsg._id as string}
pendingAction={chatMsg.pendingAction}
isActionProcessing={
!!(
chatMsg.pendingAction?.id &&
processingActionIds.includes(chatMsg.pendingAction.id)
)
}
onSend={onSend}
onReset={onReset}
handleAction={handleAction}
/>,
);
}
});
flushBubble();
if (shouldRenderPendingActionFallback) {
elements.push(
<View key="fallback-bubble" style={styles.bubbleContainer}>
<ChatBlock
block={pendingActionFallbackBlock}
msgId={chatMsg._id as string}
pendingAction={chatMsg.pendingAction}
isActionProcessing={
!!(
chatMsg.pendingAction?.id &&
processingActionIds.includes(chatMsg.pendingAction.id)
)
}
onSend={onSend}
onReset={onReset}
handleAction={handleAction}
/>
</View>,
);
}
return elements.length > 0 ? (
<View style={chatMsg.user._id === BOT._id ? styles.botBlocksContainer : {}}>
{elements}
</View>
) : null;
}}
/>
);
}}
/>
)}
</View>
<KeyboardStickyView offset={{ opened: 0 }} style={styles.interactiveSticky}>
<ImagePreview uri={selectedImage?.uri || null} onRemove={() => setSelectedImage(null)} />
<View style={[styles.inputRow, { paddingBottom: inputBottomPadding }]}>
<View style={styles.plusMenuContainer}>
<TouchableOpacity
testID="chat-pick-image-button"
onPress={handlePickImage}
style={[(isStreaming || isInitializing) && styles.disabledSendBtn]}
disabled={isStreaming || isInitializing}
>
<ImageIcon width={24} height={24} />
</TouchableOpacity>
<TouchableOpacity
testID="chat-launch-camera-button"
onPress={handleLaunchCamera}
style={[(isStreaming || isInitializing) && styles.disabledSendBtn]}
disabled={isStreaming || isInitializing}
>
<CameraIcon width={24} height={24} />
</TouchableOpacity>
</View>
<TextInput
ref={inputRef}
value={text}
onChangeText={setText}
placeholder="Ask Flash Bot"
placeholderTextColor="#888"
style={styles.input}
multiline
autoFocus
/>
<TouchableOpacity
testID="chat-send-button"
onPress={isStreaming ? handleCancel : () => onSend()}
disabled={!isStreaming && !text.trim() && !selectedImage && isInitializing}
>
<View
style={[!isStreaming && !text.trim() && !selectedImage && styles.disabledSendBtn]}
>
{isStreaming ? (
<StopIcon width={32} height={32} />
) : (
<ArrowUpIcon width={32} height={32} color="#fff" />
)}
</View>
</TouchableOpacity>
</View>
</KeyboardStickyView>
</View>
);
};
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