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import { ChatboxNativeProps, MessageType } from './Chatbox.native.types';
import {
Dimensions,
Platform,
Pressable,
ScrollView,
StyleSheet,
Text,
useWindowDimensions,
View,
} from 'react-native';
import {
Chat,
PaperclipIcon,
User,
X,
XFill,
} from '@sb/ui/components/atoms/Icons/mobile/Icons.native';
import { colors } from '@sb/styles/colors';
import Animated, { useAnimatedStyle, useSharedValue, withSpring } from 'react-native-reanimated';
import { cn } from '@sb/libs';
import { useTheme } from '@sb/ui/components/Themes/ThemeProvider';
import { Input } from '@sb/ui/components/atoms/Input/mobile/Input.native';
import { Button } from '@sb/ui/components/atoms/Button/mobile/Button.native';
import EmojiPicker from 'rn-emoji-picker';
import { emojis } from 'rn-emoji-picker/dist/data';
import { Emoji } from 'rn-emoji-picker/dist/interfaces';
import { launchImageLibraryAsync, MediaTypeOptions } from 'expo-image-picker';
import { useChatBox } from '@sb/hooks/pages/useChatBox';
import { Gesture, GestureDetector } from 'react-native-gesture-handler';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { chatStore } from '@sb/stores';
const screen = Dimensions.get('screen');
const closedWidth = 60;
const clamp = (value: number, min: number, max: number) => {
'worklet';
return Math.min(Math.max(value, min), max);
};
export const ChatBox: React.FC<ChatboxNativeProps> = ({
id = 'chatbox',
className,
messages,
headerTemplate,
footerTemplate,
headerClassName,
footerClassName,
inputPlaceholder = 'Type a message…',
sendButtonLabel = 'Send',
showTypingIndicator = false,
isVisible = false,
onSendMessage,
onShow,
onHide,
enableEmojis = false,
enableAttachments = false,
messageVariant = 'bubble',
showHeader = true,
showFooter = false,
headerHeight,
footerHeight,
}) => {
const insets = useSafeAreaInsets();
const effectiveHeaderH = headerHeight;
const effectiveFooterH = footerHeight;
const width = useSharedValue(60);
const height = useSharedValue(60);
const borderRadius = useSharedValue(50);
const isOpen = useSharedValue(isVisible);
const [openState, setOpenState] = React.useState(isVisible);
const { width: winW, height: winH } = useWindowDimensions();
const topOffset = insets.top + (effectiveHeaderH || 0);
const bottomOffset = effectiveFooterH || insets.bottom;
const isAndroid = Platform.OS === 'android';
const baseHeight = isAndroid ? winH : screen.height;
const openW = screen.width;
const openH = Math.max(220, baseHeight - topOffset - bottomOffset);
const defaultX = screen.width;
const defaultY = screen.height - (effectiveFooterH || insets.bottom);
const translateX = useSharedValue(defaultX);
const translateY = useSharedValue(defaultY);
const startX = useSharedValue(0);
const startY = useSharedValue(0);
// Remember the position of last collapsed chat bubble
const lastCollapsedX = useSharedValue(defaultX);
const lastCollapsedY = useSharedValue(defaultY);
const { theme } = useTheme();
const {
chatMessages,
inputVal,
isTyping,
showEmojiPicker,
setInputVal,
handleShowEmojiPicker,
updateText,
handleOnSend,
setShowEmojiPicker,
setMessage,
} = useChatBox(messages, isVisible, onSendMessage);
const clampPositionForSize = (collapsedX: number, collapsedY: number, w: number, h: number) => {
'worklet';
const anchorRight = collapsedX + closedWidth;
const anchorBottom = collapsedY + closedWidth;
const minX = 0;
const topOffset = insets.top + (effectiveHeaderH || 0);
const maxX = Math.max(minX, screen.width - w);
const maxY = Math.max(topOffset, baseHeight - h - (effectiveFooterH || insets.bottom));
const targetX = clamp(anchorRight - w, minX, maxX);
const targetY = clamp(anchorBottom - h, topOffset, maxY);
return { targetX, targetY };
};
const handleOpen = () => {
Iif (!isOpen.value) {
// Save where the bubble currently is
lastCollapsedX.value = translateX.value;
lastCollapsedY.value = translateY.value;
const { targetX, targetY } = clampPositionForSize(
lastCollapsedX.value,
lastCollapsedY.value,
openW,
openH
);
translateX.value = withSpring(targetX, { damping: 18, stiffness: 160 });
translateY.value = withSpring(targetY, { damping: 18, stiffness: 160 });
startX.value = targetX;
startY.value = targetY;
width.value = withSpring(openW, { damping: 18, stiffness: 160 });
height.value = withSpring(openH, { damping: 18, stiffness: 160 });
borderRadius.value = 0;
isOpen.value = true;
setOpenState(true);
onShow?.();
chatStore.setState({ isDraggable: false });
}
};
const handleClose = () => {
Eif (isOpen.value) {
// Animate size down and return to the exact spot where the user opened it
translateX.value = withSpring(lastCollapsedX.value, { damping: 18, stiffness: 160 });
translateY.value = withSpring(lastCollapsedY.value, { damping: 18, stiffness: 160 });
width.value = withSpring(closedWidth, { damping: 18, stiffness: 160 });
height.value = withSpring(closedWidth, { damping: 18, stiffness: 160 });
borderRadius.value = withSpring(50, { damping: 18, stiffness: 160 });
isOpen.value = false;
setOpenState(false);
onHide?.();
chatStore.setState({ isDraggable: true });
}
};
const handleDismiss = () => {
chatStore.getState().close();
};
const containerAnimateStyle = useAnimatedStyle(() => {
return {
width: width.value,
height: height.value,
borderRadius: borderRadius.value,
};
});
const dragStyle = useAnimatedStyle(() => ({
transform: [{ translateX: translateX.value }, { translateY: translateY.value }],
}));
const panGesture = Gesture.Pan()
.onStart(() => {
'worklet';
startX.value = translateX.value;
startY.value = translateY.value;
})
.onUpdate((e) => {
'worklet';
if (isOpen.value) return;
const minX = 0;
const topOffset = insets.top + (effectiveHeaderH || 0);
const maxX = Math.max(minX, screen.width - width.value);
const maxY = Math.max(
topOffset,
baseHeight - height.value - (effectiveFooterH || insets.bottom)
);
translateX.value = clamp(startX.value + e.translationX, minX, maxX);
translateY.value = clamp(startY.value + e.translationY, topOffset, maxY);
})
.onEnd(() => {
'worklet';
if (isOpen.value) return;
const minX = 0;
const maxX = Math.max(minX, screen.width - width.value);
const midpoint = maxX / 2;
const targetX = translateX.value <= midpoint ? minX : maxX;
const topOffset = insets.top + (effectiveHeaderH || 0);
const limitedMaxY = Math.max(
topOffset,
baseHeight - height.value - (effectiveFooterH || insets.bottom)
);
const targetY = clamp(translateY.value, topOffset, limitedMaxY);
// translateX.value = withSpring(targetX, { damping: 18, stiffness: 160 });
// translateY.value = withSpring(targetY, { damping: 18, stiffness: 160 });
lastCollapsedX.value = targetX;
lastCollapsedY.value = targetY;
});
const handleOnEmojiSelect = (emoji: Emoji) => {
setInputVal((p) => p + emoji.emoji);
setShowEmojiPicker(false);
};
const handlePickAttachment = async () => {
const result = await launchImageLibraryAsync({
mediaTypes: MediaTypeOptions.All,
allowsEditing: true,
quality: 1,
});
if (!result.canceled) {
const name = result.assets[0].fileName;
if (!name) return;
setMessage(name);
}
};
const shadowContainerStyle = [
Platform.select({
ios: {
shadowColor: colors[theme].shadowMedium,
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.25,
shadowRadius: 8,
},
android: {
elevation: 8,
},
default: {
shadowColor: colors[theme].shadowMedium,
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.25,
shadowRadius: 8,
},
}),
];
const renderMessage = (msg: MessageType) => (
<Pressable
key={msg.id}
className={cn(
'mt-3 w-[65%] rounded-t-[20px]',
msg.sender === 'user' ? 'self-end rounded-l-[20px]' : 'rounded-r-[20px]',
messageVariant === 'bubble' && 'rounded-2xl'
)}
style={{
backgroundColor:
msg.sender === 'user' ? colors[theme].colorAccent : colors[theme].colorPrimary,
}}
accessibilityLabel={`message from ${msg.sender}`}
>
<View className={'px-3 py-3'}>
{typeof msg.content === 'string' ? (
<Text
className={cn('font-normal')}
style={{
color: msg.sender !== 'user' ? colors[theme].colorText_Main : undefined,
}}
>
{msg.content}
</Text>
) : (
msg.content
)}
{msg.sender !== 'system' && (msg.timestamp || msg.status) && (
<View className={'mt-2 flex flex-row'}>
{msg.timestamp && (
<Text
className={cn('text-sm font-normal', msg.sender !== 'user' && 'text-text-main')}
>
{msg.timestamp}
</Text>
)}
{msg.status && (
<Text
className={cn('text-sm font-normal', msg.sender !== 'user' && 'text-text-main')}
style={{ marginLeft: msg.timestamp ? 8 : 0 }}
>
{msg.status}
</Text>
)}
</View>
)}
</View>
</Pressable>
);
const renderEmojis = () => (
<Pressable className={'mr-2'} onPress={handleShowEmojiPicker}>
<Text>😊</Text>
</Pressable>
);
React.useEffect(() => {
if (isVisible) {
handleOpen();
} else E{
handleClose();
}
}, [isVisible]);
React.useEffect(() => {
if (isOpen.value) {
width.value = withSpring(openW, { damping: 18, stiffness: 160 });
height.value = withSpring(openH, { damping: 18, stiffness: 160 });
translateX.value = withSpring(0, { damping: 18, stiffness: 160 });
translateY.value = withSpring(topOffset, { damping: 18, stiffness: 160 });
startX.value = 0;
startY.value = topOffset;
borderRadius.value = 0;
} else E{
// Keep collapsed bubble within new bounds
const minX = 0;
const maxX = Math.max(minX, winW - closedWidth);
const maxY = Math.max(topOffset, baseHeight - closedWidth - bottomOffset);
const clampedX = clamp(lastCollapsedX.value, minX, maxX);
const clampedY = clamp(lastCollapsedY.value, topOffset, maxY);
lastCollapsedX.value = clampedX;
lastCollapsedY.value = clampedY;
translateX.value = clampedX;
translateY.value = clampedY;
startX.value = clampedX;
startY.value = clampedY;
}
}, [winW, winH, openW, openH, topOffset, bottomOffset]);
React.useEffect(() => {
Eif (isVisible && isOpen.value && openState) {
width.value = openW;
height.value = openH;
translateX.value = 0;
translateY.value = topOffset;
borderRadius.value = 0;
lastCollapsedX.value = screen.width - closedWidth;
lastCollapsedY.value = baseHeight - closedWidth - bottomOffset;
}
}, []);
Iif (!isVisible && !openState) return null;
return (
<>
<GestureDetector gesture={panGesture}>
<Animated.View
id={id}
testID={id}
style={[
styles.container,
openState ? styles.containerOpen : styles.containerCollapsed,
containerAnimateStyle,
dragStyle,
shadowContainerStyle,
]}
className={cn('bg-primary-background', className)}
accessibilityLabel={`Chatbox`}
>
{!openState && (
<View>
<Pressable testID={'open_button'} style={[styles.iconContainer]} onPress={handleOpen}>
<Chat size={26} />
</Pressable>
<Pressable
testID={'dismiss_button'}
accessibilityLabel={'dismiss chatbox'}
style={styles.dismissButton}
onPress={handleDismiss}
>
<XFill width={20} height={20} color={colors[theme].colorSecondary} />
</Pressable>
</View>
)}
{openState && (
<View
style={[
styles.contentContainer,
{
backgroundColor: colors[theme].alternateBackground,
},
]}
>
{showHeader && (
<View
className={cn('px-5 py-4', headerClassName)}
testID={'header'}
style={[
styles.contentHeader,
{
backgroundColor: colors[theme].colorPrimary_Background,
},
]}
>
<User color={colors[theme].colorIcon_Fill_Light} />
{typeof headerTemplate === 'string' ? (
<Text
style={{ color: colors[theme].colorText_Main }}
className={'font-Bold text-[16px]'}
>
{headerTemplate}
</Text>
) : headerTemplate === undefined ? (
<Text
className={'font-Bold text-[16px]'}
style={{ color: colors[theme].colorText_Main }}
>
Chat
</Text>
) : (
headerTemplate
)}
<Pressable testID={'close_btn'} onPress={handleClose}>
<X color={colors[theme].colorIcon_Fill_Light} size={15} />
</Pressable>
</View>
)}
<View
className={'w-full'}
style={[
styles.messageContainer,
{
backgroundColor: colors[theme].alternateBackground,
},
]}
>
<ScrollView
scrollEnabled
style={{ flexGrow: 1 }}
className={'flex h-[90%] flex-col px-2'}
>
{chatMessages && chatMessages.length > 0 && chatMessages.map(renderMessage)}
{showTypingIndicator && isTyping && <Text className="bottom-0">Typing…</Text>}
</ScrollView>
<View
className={cn(
'absolute bottom-0 flex w-full flex-row items-center justify-between border-t-[0.3px] px-3 pt-6',
footerClassName
)}
style={{
backgroundColor: colors[theme].alternateBackground,
}}
>
<View className={'flex flex-1 flex-row items-center'}>
{enableEmojis && renderEmojis()}
<View
className={'w-[85%] rounded-md border'}
style={{ borderColor: colors[theme].colorInput_Disabled_Background }}
>
<Input
testID={'message_input'}
onChangeText={updateText}
floatingLabel={true}
value={inputVal}
placeholder={inputPlaceholder}
name={'message'}
accessibilityLabel={'chat message input'}
/>
</View>
</View>
{enableAttachments && (
<Pressable
testID={'attachment_btn'}
onPress={handlePickAttachment}
accessibilityLabel="send attachment"
>
<PaperclipIcon color={colors[theme].colorSecondary} />
</Pressable>
)}
<Button
label={sendButtonLabel}
onPress={handleOnSend}
variant={'primary'}
className="px-5 py-[12px]"
accessibilityLabel={'send message'}
/>
</View>
</View>
{footerTemplate && showFooter && <View className="chatFooter">{footerTemplate}</View>}
</View>
)}
</Animated.View>
</GestureDetector>
{showEmojiPicker && (
<EmojiPicker
emojis={emojis}
loading={false}
autoFocus={true}
darkMode={false}
perLine={7}
onSelect={handleOnEmojiSelect}
/>
)}
</>
);
};
const styles = StyleSheet.create({
container: {
position: 'absolute',
top: 0,
left: 0,
borderRadius: 50,
zIndex: 9999,
},
containerOpen: {
overflow: 'hidden',
},
containerCollapsed: {
overflow: 'visible',
},
iconContainer: {
width: 60,
height: 60,
justifyContent: 'center',
alignItems: 'center',
},
dismissButton: {
position: 'absolute',
top: 0,
right: -2,
width: 20,
height: 20,
justifyContent: 'center',
alignItems: 'center',
},
contentContainer: {
flexDirection: 'column',
overflow: 'hidden',
height: '100%',
},
contentHeader: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
width: '100%',
},
messageContainer: {
flexDirection: 'column',
justifyContent: 'space-evenly',
},
});
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