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import React, { useState, useRef, useEffect } from 'react';
import "./global.css"
import {
View,
Text,
TextInput,
ScrollView,
Pressable,
SafeAreaView,
Animated,
Keyboard,
TouchableWithoutFeedback,
TouchableOpacity,
Platform,
KeyboardAvoidingView,
Alert,
Image,
Dimensions,
ActivityIndicator
} from 'react-native';
import { StatusBar } from 'expo-status-bar';
import { FontAwesome5, Ionicons, MaterialCommunityIcons } from '@expo/vector-icons';
import Markdown from 'react-native-markdown-display';
import * as Clipboard from 'expo-clipboard';
import { marked } from 'marked';
import highlightjs from 'highlight.js/lib/core';
import javascript from 'highlight.js/lib/languages/javascript';
import python from 'highlight.js/lib/languages/python';
import { Link, router, useRouter, Stack } from 'expo-router';
import Constants from 'expo-constants';
import * as Haptics from 'expo-haptics';
// Register commonly used languages
highlightjs.registerLanguage('javascript', javascript);
highlightjs.registerLanguage('python', python);
// Screen dimensions for responsive layouts
const { width: SCREEN_WIDTH, height: SCREEN_HEIGHT } = Dimensions.get('window');
// Suggested questions for users
const SUGGESTED_QUESTIONS = [
"What are common symptoms of PCOS?",
"How can I manage menstrual pain naturally?",
"What should I know before pregnancy planning?",
"Is my period flow normal?",
"Why am I experiencing fatigue during periods?"
];
const FilleAI = () => {
const router = useRouter();
const [isSearchSubmitted, setIsSearchSubmitted] = useState(false);
const [isLoading, setIsLoading] = useState(false);
const [messages, setMessages] = useState<{ type: string; text: string }[]>([]);
const [inputText, setInputText] = useState('');
const [inputHeight, setInputHeight] = useState(40);
const [suggestedQuestions, setSuggestedQuestions] = useState(SUGGESTED_QUESTIONS);
const scrollViewRef = useRef<ScrollView>(null);
const inputRef = useRef<TextInput>(null);
// Animation values
const welcomeOpacity = useRef(new Animated.Value(1)).current;
const centerContentMargin = useRef(new Animated.Value(150)).current;
const floatingButtonScale = useRef(new Animated.Value(1)).current;
const inputContainerAnimation = useRef(new Animated.Value(0)).current;
// Pulse animation for suggestion bubbles
useEffect(() => {
const pulsate = Animated.loop(
Animated.sequence([
Animated.timing(floatingButtonScale, {
toValue: 1.05,
duration: 1000,
useNativeDriver: true,
}),
Animated.timing(floatingButtonScale, {
toValue: 1,
duration: 1000,
useNativeDriver: true,
}),
])
);
if (!isSearchSubmitted) {
pulsate.start();
} else {
pulsate.stop();
}
return () => pulsate.stop();
}, [isSearchSubmitted]);
// Show input container animation
useEffect(() => {
Animated.timing(inputContainerAnimation, {
toValue: 1,
duration: 500,
delay: 500,
useNativeDriver: true,
}).start();
}, []);
// Function to handle input height changes
const updateInputHeight = (height: number) => {
const newHeight = Math.min(Math.max(40, height), 100);
setInputHeight(newHeight);
};
// Function to format code blocks with custom renderer
const formatMessage = (text: string) => {
marked.setOptions({
highlight: function(code, language) {
if (language && highlightjs.getLanguage(language)) {
return highlightjs.highlight(code, { language: language }).value;
}
return highlightjs.highlightAuto(code).value;
}
});
return marked.parse(text);
};
// User Message Component with enhanced styling
const UserMessage = ({ text }: { text: string }) => (
<View style={{
alignSelf: 'flex-end',
maxWidth: '80%',
marginVertical: 8,
transform: [{ translateY: 0 }], // For animation preparation
}}>
<View style={{
backgroundColor: '#FF7B00',
borderRadius: 18,
borderTopRightRadius: 4,
padding: 12,
shadowColor: "#000",
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.15,
shadowRadius: 3,
elevation: 3,
}}>
<Text style={{ color: 'white', fontSize: 16, fontWeight: '500' }}>{text}</Text>
</View>
<View style={{ flexDirection: 'row', alignItems: 'center', alignSelf: 'flex-end', marginTop: 4, marginRight: 4 }}>
<Text style={{ color: '#AAAAAA', fontSize: 12, marginRight: 5 }}>You</Text>
<View style={{
width: 24,
height: 24,
borderRadius: 12,
backgroundColor: '#555',
alignItems: 'center',
justifyContent: 'center'
}}>
<FontAwesome5 name="user" size={12} color="#FFF" />
</View>
</View>
</View>
);
// Computer Message Component with Markdown support
const ComputerMessage = ({ text }: { text: string }) => {
const [copiedIndex, setCopiedIndex] = useState<number | null>(null);
const handleCopyCode = async (code: string, index: number) => {
await Clipboard.setStringAsync(code);
setCopiedIndex(index);
// Add haptic feedback
if (Platform.OS !== 'web') {
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
}
setTimeout(() => setCopiedIndex(null), 2000);
};
const markdownStyles = {
body: {
color: 'white',
fontSize: 16,
lineHeight: 24,
},
heading1: {
fontWeight: 'bold',
fontSize: 22,
marginTop: 8,
marginBottom: 4,
color: 'white',
},
heading2: {
fontWeight: 'bold',
fontSize: 20,
marginTop: 8,
marginBottom: 4,
color: 'white',
},
heading3: {
fontWeight: 'bold',
fontSize: 18,
marginTop: 8,
marginBottom: 4,
color: 'white',
},
link: {
color: '#FF9D4F',
textDecorationLine: "underline",
},
blockquote: {
borderLeftWidth: 3,
borderLeftColor: '#FF7B00',
paddingLeft: 10,
fontStyle: 'italic',
},
code_block: {
backgroundColor: 'rgba(0, 0, 0, 0.3)',
padding: 10,
borderRadius: 5,
fontFamily: 'monospace',
fontSize: 14,
},
code_inline: {
backgroundColor: 'rgba(0, 0, 0, 0.3)',
padding: 4,
borderRadius: 3,
fontFamily: 'monospace',
fontSize: 14,
},
list_item: {
marginBottom: 6,
},
};
// Custom renderer for code blocks
const renderCodeBlock = (props: { content: string; language?: string; index: number }) => {
const { content, language } = props;
return (
<View style={{
backgroundColor: 'rgba(0, 0, 0, 0.4)',
borderRadius: 6,
overflow: 'hidden',
marginVertical: 10,
}}>
<View style={{
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
padding: 8,
backgroundColor: 'rgba(0, 0, 0, 0.2)',
borderBottomWidth: 1,
borderBottomColor: 'rgba(255, 255, 255, 0.1)',
}}>
<Text style={{
fontSize: 12,
fontWeight: 'bold',
textTransform: 'uppercase',
color: 'rgba(255, 255, 255, 0.7)',
}}>
{language || 'code'}
</Text>
<TouchableOpacity
onPress={() => handleCopyCode(content, props.index)}
style={{
backgroundColor: 'transparent',
padding: 4,
borderRadius: 4,
}}>
<FontAwesome5
name={copiedIndex === props.index ? "check" : "copy"}
size={14}
color="white"
/>
</TouchableOpacity>
</View>
<ScrollView horizontal showsHorizontalScrollIndicator={false}>
<Text style={{
fontFamily: 'monospace',
padding: 12,
color: 'white',
fontSize: 14,
}}>
{content}
</Text>
</ScrollView>
</View>
);
};
return (
<View style={{
alignSelf: 'flex-start',
maxWidth: '80%',
marginVertical: 8,
flexDirection: 'row',
alignItems: 'flex-end',
}}>
<View style={{
width: 32,
height: 32,
borderRadius: 16,
backgroundColor: '#FF7B00',
alignItems: 'center',
justifyContent: 'center',
marginRight: 8,
marginBottom: 4,
}}>
<FontAwesome5 name="robot" size={16} color="#FFF" />
</View>
<View style={{ flex: 1 }}>
<View style={{
backgroundColor: '#332940',
borderRadius: 18,
borderBottomLeftRadius: 4,
padding: 12,
shadowColor: "#000",
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.15,
shadowRadius: 3,
elevation: 2,
}}>
<Markdown
style={markdownStyles as any}
rules={{
code_block: (node, children, parent, styles, renderContent) => {
return renderCodeBlock({
content: node.content,
language: (node as any).language,
index: parseInt(node.key, 10),
});
}
}}
>
{text}
</Markdown>
</View>
<Text style={{ color: '#AAAAAA', fontSize: 12, marginLeft: 4, marginTop: 4 }}>Fille AI</Text>
</View>
</View>
);
};
// Enhanced Loading indicator with animation
const LoadingIndicator = () => {
const [dotIndex, setDotIndex] = useState(0);
useEffect(() => {
const interval = setInterval(() => {
setDotIndex(prev => (prev + 1) % 4);
}, 300);
return () => clearInterval(interval);
}, []);
return (
<View style={{
alignSelf: 'flex-start',
marginVertical: 8,
flexDirection: 'row',
alignItems: 'flex-end',
}}>
<View style={{
width: 32,
height: 32,
borderRadius: 16,
backgroundColor: '#FF7B00',
alignItems: 'center',
justifyContent: 'center',
marginRight: 8,
marginBottom: 4,
}}>
<FontAwesome5 name="robot" size={16} color="#FFF" />
</View>
<View style={{
backgroundColor: '#332940',
borderRadius: 18,
paddingHorizontal: 16,
paddingVertical: 12,
flexDirection: 'row',
alignItems: 'center',
shadowColor: "#000",
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.15,
shadowRadius: 3,
elevation: 2,
}}>
{[0, 1, 2].map((i) => (
<View
key={i}
style={{
width: 10,
height: 10,
borderRadius: 5,
backgroundColor: 'white',
opacity: dotIndex === i ? 0.9 : 0.4,
marginHorizontal: 4,
transform: [{
translateY: dotIndex === i ? -4 : 0
}]
}}
/>
))}
</View>
</View>
);
};
// Suggestion bubble component
const SuggestionBubble = ({ text }: { text: string }) => (
<Animated.View style={{
transform: [{ scale: floatingButtonScale }]
}}>
<TouchableOpacity
style={{
backgroundColor: 'rgba(255, 123, 0, 0.15)',
borderWidth: 1,
borderColor: 'rgba(255, 123, 0, 0.3)',
borderRadius: 20,
paddingHorizontal: 16,
paddingVertical: 10,
marginRight: 10,
marginBottom: 10,
shadowColor: "#FF7B00",
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.2,
shadowRadius: 3,
elevation: 2,
}}
onPress={() => {
// Add haptic feedback
if (Platform.OS !== 'web') {
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
}
setInputText(text);
handleSubmit(text);
}}
>
<Text style={{ color: '#FF9D4F', fontSize: 14 }}>{text}</Text>
</TouchableOpacity>
</Animated.View>
);
// Get server URL based on environment
const getServerUrl = () => {
if (Platform.OS === 'android') {
// Special IP that Android emulator uses to access host machine
return "http://10.0.2.2:8000/chat";
} else if (Platform.OS === 'ios') {
return "http://localhost:8000/chat";
} else {
// For web or other platforms
return "http://localhost:8000/chat";
}
};
// Handler for chat submit
const handleSubmit = async (text = inputText) => {
const messageToSend = text.trim();
if (messageToSend === '' || isLoading) return;
// Add haptic feedback on send
if (Platform.OS !== 'web') {
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Medium);
}
// Add user message to chat
const userMessage = messageToSend;
setMessages(prevMessages => [...prevMessages, { type: 'user', text: userMessage }]);
setInputText('');
setInputHeight(40);
// If this is the first message, transition the UI
if (!isSearchSubmitted) {
Animated.parallel([
Animated.timing(welcomeOpacity, {
toValue: 0,
duration: 300,
useNativeDriver: true,
}),
Animated.timing(centerContentMargin, {
toValue: 20,
duration: 500,
useNativeDriver: false,
}),
]).start(() => {
setIsSearchSubmitted(true);
});
}
// Set loading state
setIsLoading(true);
try {
const serverUrl = getServerUrl();
console.log(`Sending request to: ${serverUrl}`);
// Send request to server
const response = await fetch(serverUrl, {
method: "POST",
headers: {
"Content-Type": "application/json",
"Accept": "application/json",
},
body: JSON.stringify({ message: userMessage }),
});
if (!response.ok) {
throw new Error(`Failed to get response: ${response.status}`);
}
const data = await response.json();
// Add AI response to chat
const aiResponse = typeof data.response === 'string'
? data.response
: JSON.stringify(data.response);
// Add haptic feedback when response arrives
if (Platform.OS !== 'web') {
Haptics.notificationAsync(Haptics.NotificationFeedbackType.Success);
}
setMessages(prevMessages => [...prevMessages, { type: 'computer', text: aiResponse }]);
// Update suggested questions based on conversation context
updateSuggestedQuestions(userMessage, aiResponse);
} catch (error) {
console.error('Error:', error);
// Add haptic feedback for error
if (Platform.OS !== 'web') {
Haptics.notificationAsync(Haptics.NotificationFeedbackType.Error);
}
Alert.alert(
"Connection Error",
`Failed to connect to server: ${(error as Error).message}\n\nMake sure your server is running and the device can reach it.`,
[{ text: "OK" }]
);
setMessages(prevMessages => [
...prevMessages,
{ type: 'computer', text: 'Sorry, there was an error processing your request. Please check your network connection and make sure the server is running.' },
]);
} finally {
setIsLoading(false);
}
};
// Update suggested questions based on conversation
const updateSuggestedQuestions = (userMessage: string, aiResponse: string) => {
// This is a simplified approach. For production, you might want to use the AI to generate these.
const periodRelated = userMessage.toLowerCase().includes('period') ||
aiResponse.toLowerCase().includes('period');
const painRelated = userMessage.toLowerCase().includes('pain') ||
aiResponse.toLowerCase().includes('pain');
const pregnancyRelated = userMessage.toLowerCase().includes('pregnan') ||
aiResponse.toLowerCase().includes('pregnan');
const hormoneRelated = userMessage.toLowerCase().includes('hormone') ||
aiResponse.toLowerCase().includes('hormone');
let newSuggestions = [...SUGGESTED_QUESTIONS];
if (periodRelated) {
newSuggestions = [
"What causes irregular periods?",
"How can I track my menstrual cycle?",
"When should I be concerned about heavy flow?",
];
} else if (painRelated) {
newSuggestions = [
"What are natural remedies for cramps?",
"Should I see a doctor about period pain?",
"How can exercise help with menstrual pain?",
];
} else if (pregnancyRelated) {
newSuggestions = [
"What prenatal vitamins should I take?",
"How does ovulation tracking work?",
"What are early signs of pregnancy?",
];
} else if (hormoneRelated) {
newSuggestions = [
"How do hormones affect mood?",
"What foods help balance hormones?",
"How does stress impact hormonal health?",
];
}
// Shuffle the array to get different suggestions each time
newSuggestions.sort(() => Math.random() - 0.5);
// Take only the first 3
setSuggestedQuestions(newSuggestions.slice(0, 3));
};
// Scroll to bottom when messages change
useEffect(() => {
if (scrollViewRef.current && messages.length > 0) {
setTimeout(() => {
if (scrollViewRef.current) {
scrollViewRef.current.scrollToEnd({ animated: true });
}
}, 100);
}
}, [messages]);
return (
<>
{/* Add Stack.Screen options to hide the header */}
<Stack.Screen options={{ headerShown: false }} />
<TouchableWithoutFeedback onPress={Keyboard.dismiss}>
<SafeAreaView style={{ flex: 1, backgroundColor: '#1A1C25' }}>
<StatusBar style="light" />
{/* Navbar */}
<View style={{
padding: 20,
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
borderBottomWidth: 1,
borderBottomColor: 'rgba(255,255,255,0.1)'
}}>
<View style={{ flexDirection: 'row', alignItems: 'center' }}>
<FontAwesome5 name="heartbeat" size={18} color="#FF7B00" style={{ marginRight: 10 }} />
<Text style={{ color: 'white', fontWeight: 'bold', fontSize: 18 }}>
FILLE <Text style={{ color: '#FF7B00' }}>AI</Text>
</Text>
</View>
<TouchableOpacity
style={{
backgroundColor: '#332940',
paddingHorizontal: 12,
paddingVertical: 6,
borderRadius: 16,
flexDirection: 'row',
alignItems: 'center'
}}
onPress={() => {
if (Platform.OS !== 'web') {
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
}
router.push("/realchat");
}}
>
<MaterialCommunityIcons name="doctor" size={16} color="#FF9D4F" style={{ marginRight: 6 }} />
<Text style={{ color: '#FF9D4F', fontSize: 13 }}>Talk to Doctor</Text>
</TouchableOpacity>
</View>
{/* Main Content */}
<KeyboardAvoidingView
behavior={Platform.OS === 'ios' ? 'padding' : undefined}
style={{ flex: 1 }}
keyboardVerticalOffset={Platform.OS === 'ios' ? 80 : 0}
>
<View style={{ flex: 1, justifyContent: 'space-between' }}>
{/* Center Content */}
<Animated.View style={{
flex: 1,
marginTop: centerContentMargin,
}}>
{/* Welcome Message */}
{!isSearchSubmitted && (
<Animated.View style={{
opacity: welcomeOpacity,
alignItems: 'center',
padding: 20,
}}>
<View style={{
width: 100,
height: 100,
borderRadius: 50,
backgroundColor: '#FF7B00',
justifyContent: 'center',
alignItems: 'center',
marginBottom: 20,
shadowColor: "#FF7B00",
shadowOffset: { width: 0, height: 0 },
shadowOpacity: 0.6,
shadowRadius: 20,
}}>
<FontAwesome5 name="female" size={50} color="white" />
</View>
<Text style={{
color: 'white',
fontWeight: 'bold',
fontSize: 28,
textAlign: 'center'
}}>
Hello, GIRL!
</Text>
<Text style={{
color: '#AAAAAA',
fontSize: 16,
marginTop: 12,
textAlign: 'center',
paddingHorizontal: 30,
lineHeight: 22
}}>
I'm your health companion. Ready to share your problems and feelings today?
</Text>
{/* Suggested Topics */}
<Text style={{ color: 'white', marginTop: 30, marginBottom: 15, fontWeight: '600' }}>
Try asking about:
</Text>
<View style={{ flexDirection: 'row', flexWrap: 'wrap', justifyContent: 'center' }}>
{suggestedQuestions.map((question, index) => (
<SuggestionBubble key={index} text={question} />
))}
</View>
</Animated.View>
)}
{/* Conversation Container */}
<ScrollView
ref={scrollViewRef}
style={{
display: isSearchSubmitted ? 'flex' : 'none',
paddingHorizontal: 16,
}}
contentContainerStyle={{ paddingBottom: 16 }}
showsVerticalScrollIndicator={false}
>
{messages.map((message, index) => (
(message as { type: string; text: string }).type === 'user' ? (
<UserMessage key={index} text={(message as { type: string; text: string }).text} />
) : (
<ComputerMessage key={index} text={(message as { type: string; text: string }).text} />
)
))}
{isLoading && <LoadingIndicator />}
</ScrollView>
</Animated.View>
{/* Suggestions row (visible only after first message) */}
{isSearchSubmitted && !isLoading && messages.length > 0 && (
<View style={{
paddingHorizontal: 20,
paddingVertical: 10
}}>
<ScrollView
horizontal
showsHorizontalScrollIndicator={false}
style={{ flexDirection: 'row' }}
contentContainerStyle={{ paddingRight: 20 }}
>
{suggestedQuestions.map((question, index) => (
<SuggestionBubble key={index} text={question} />
))}
</ScrollView>
</View>
)}
{/* Input Container */}
<Animated.View style={{
flexDirection: 'row',
alignItems: 'flex-end',
marginHorizontal: 20,
marginBottom: 20,
marginTop: 10,
backgroundColor: '#24273A',
borderRadius: 25,
paddingHorizontal: 10,
paddingVertical: 5,
shadowColor: "#000",
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.2,
shadowRadius: 5,
elevation: 5,
opacity: inputContainerAnimation,
transform: [{
translateY: inputContainerAnimation.interpolate({
inputRange: [0, 1],
outputRange: [20, 0]
})
}]
}}>
<TextInput
ref={inputRef}
style={{
flex: 1,
color: 'white',
fontSize: 16,
paddingVertical: 12,
paddingHorizontal: 12,
minHeight: inputHeight,
maxHeight: 100,
}}
placeholder="Ask me anything about women's health"
placeholderTextColor="rgba(255,255,255,0.4)"
value={inputText}
onChangeText={setInputText}
multiline
onContentSizeChange={(e) =>
updateInputHeight(e.nativeEvent.contentSize.height)
}
/>
<TouchableOpacity
onPress={() => handleSubmit()}
disabled={isLoading || inputText.trim() === ''}
style={{
padding: 10,
backgroundColor: (isLoading || inputText.trim() === '') ? '#444' : '#FF7B00',
borderRadius: 20,
width: 40,
height: 40,
justifyContent: 'center',
alignItems: 'center',
marginBottom: 6,
}}
>
<Ionicons name="send" size={18} color="white" />
</TouchableOpacity>
</Animated.View>
</View>
</KeyboardAvoidingView>
{/* Footer */}
<View style={{
paddingBottom: 10,
alignItems: 'center',
borderTopWidth: 1,
borderTopColor: 'rgba(255,255,255,0.1)',
paddingTop: 10
}}>
<Text style={{ color: 'grey', fontSize: 12 }}>
For informational purposes. Consult a healthcare professional.
</Text>
</View>
</SafeAreaView>
</TouchableWithoutFeedback>
</>
);
};
export default FilleAI; |