ARIA-AGENT/android/src/screens/ChatScreen.tsx

625 lines
17 KiB
TypeScript

/**
* ChatScreen - Hauptchat-Oberflaeche
*
* Zeigt die Konversation mit ARIA, Texteingabe, Sprach-Button,
* Datei- und Kamera-Upload.
*/
import React, { useState, useEffect, useRef, useCallback } from 'react';
import {
View,
Text,
TextInput,
TouchableOpacity,
FlatList,
KeyboardAvoidingView,
Platform,
StyleSheet,
Modal,
} from 'react-native';
import AsyncStorage from '@react-native-async-storage/async-storage';
import rvs, { RVSMessage, ConnectionState } from '../services/rvs';
import audioService from '../services/audio';
import wakeWordService from '../services/wakeword';
import VoiceButton from '../components/VoiceButton';
import FileUpload, { FileData } from '../components/FileUpload';
import CameraUpload, { PhotoData } from '../components/CameraUpload';
import { RecordingResult } from '../services/audio';
import Geolocation from '@react-native-community/geolocation';
// --- Typen ---
interface Attachment {
type: 'image' | 'file' | 'audio';
name: string;
size?: number;
}
interface ChatMessage {
id: string;
sender: 'user' | 'aria';
text: string;
timestamp: number;
attachments?: Attachment[];
}
// --- Konstanten ---
const CHAT_STORAGE_KEY = 'aria_chat_messages';
const MAX_STORED_MESSAGES = 500;
// --- Komponente ---
const ChatScreen: React.FC = () => {
const [messages, setMessages] = useState<ChatMessage[]>([]);
const [inputText, setInputText] = useState('');
const [connectionState, setConnectionState] = useState<ConnectionState>('disconnected');
const [showFileUpload, setShowFileUpload] = useState(false);
const [showCameraUpload, setShowCameraUpload] = useState(false);
const [gpsEnabled, setGpsEnabled] = useState(false);
const [wakeWordActive, setWakeWordActive] = useState(false);
const flatListRef = useRef<FlatList>(null);
const messageIdCounter = useRef(0);
// Eindeutige Message-ID generieren
const nextId = (): string => {
messageIdCounter.current += 1;
return `msg_${Date.now()}_${messageIdCounter.current}`;
};
// Chat-Verlauf aus AsyncStorage laden
useEffect(() => {
const loadMessages = async () => {
try {
const stored = await AsyncStorage.getItem(CHAT_STORAGE_KEY);
if (stored) {
const parsed: ChatMessage[] = JSON.parse(stored);
setMessages(parsed);
// ID-Counter auf hoechsten Wert setzen um Kollisionen zu vermeiden
const maxId = parsed.reduce((max, msg) => {
const num = parseInt(msg.id.split('_').pop() || '0', 10);
return num > max ? num : max;
}, 0);
messageIdCounter.current = maxId;
}
} catch (err) {
console.error('[Chat] Fehler beim Laden des Verlaufs:', err);
}
};
loadMessages().then(() => {
// Auto-Scroll nach Laden des Verlaufs
setTimeout(() => flatListRef.current?.scrollToEnd({ animated: false }), 200);
});
}, []);
// RVS-Nachrichten abonnieren
useEffect(() => {
const unsubMessage = rvs.onMessage((message: RVSMessage) => {
if (message.type === 'chat') {
// Nur Nachrichten von ARIA anzeigen — eigene Nachrichten werden lokal hinzugefuegt
const sender = (message.payload.sender as string) || '';
if (sender === 'user' || sender === 'diagnostic') return;
const text = (message.payload.text as string) || '';
const ts = message.timestamp;
// Duplikat-Schutz: gleicher Text innerhalb 5s ignorieren
setMessages(prev => {
const isDuplicate = prev.some(m =>
m.sender === 'aria' && m.text === text && Math.abs(m.timestamp - ts) < 5000
);
if (isDuplicate) return prev;
const ariaMsg: ChatMessage = {
id: nextId(),
sender: 'aria',
text,
timestamp: ts,
attachments: message.payload.attachments as Attachment[] | undefined,
};
return [...prev, ariaMsg];
});
}
// TTS-Audio abspielen wenn vorhanden
if (message.type === 'audio' && message.payload.base64) {
audioService.playAudio(message.payload.base64 as string);
}
});
const unsubState = rvs.onStateChange((state) => {
setConnectionState(state);
});
// Initalen Status setzen
setConnectionState(rvs.getState());
return () => {
unsubMessage();
unsubState();
};
}, []);
// Wake Word: "ARIA" Erkennung → Auto-Aufnahme starten
useEffect(() => {
const unsubWake = wakeWordService.onWakeWord(async () => {
console.log('[Chat] Wake Word erkannt — starte Auto-Aufnahme');
// TTS stoppen damit ARIA sich nicht selbst hoert
audioService.stopPlayback();
// Aufnahme mit Auto-Stop (VAD) starten
const started = await audioService.startRecording(true);
if (!started) {
// Mikrofon nicht verfuegbar, Wake Word wieder aktivieren
wakeWordService.resume();
}
});
// Auto-Stop Callback: wenn Stille erkannt → Aufnahme senden + Wake Word wieder starten
const unsubSilence = audioService.onSilenceDetected(async () => {
const result = await audioService.stopRecording();
if (result && result.durationMs > 500) {
// Sprachnachricht senden (gleiche Logik wie handleVoiceRecording)
const location = await getCurrentLocation();
const userMsg: ChatMessage = {
id: nextId(),
sender: 'user',
text: '🎙 Spracheingabe wird verarbeitet...',
timestamp: Date.now(),
attachments: [{ type: 'audio', name: 'Sprachaufnahme' }],
};
setMessages(prev => [...prev, userMsg]);
rvs.send('audio', {
base64: result.base64,
durationMs: result.durationMs,
mimeType: result.mimeType,
...(location && { location }),
});
}
// Wake Word wieder aktivieren
if (wakeWordActive) wakeWordService.resume();
});
return () => {
unsubWake();
unsubSilence();
};
}, [wakeWordActive]);
// Wake Word Toggle Handler
const toggleWakeWord = useCallback(async () => {
if (wakeWordActive) {
wakeWordService.stop();
setWakeWordActive(false);
} else {
const started = await wakeWordService.start();
setWakeWordActive(started);
}
}, [wakeWordActive]);
// Chat-Verlauf in AsyncStorage speichern (letzte N Nachrichten)
useEffect(() => {
if (messages.length === 0) return;
const toStore = messages.slice(-MAX_STORED_MESSAGES);
AsyncStorage.setItem(CHAT_STORAGE_KEY, JSON.stringify(toStore)).catch(err =>
console.error('[Chat] Fehler beim Speichern:', err),
);
}, [messages]);
// Auto-Scroll bei neuen Nachrichten
useEffect(() => {
if (messages.length > 0) {
setTimeout(() => {
flatListRef.current?.scrollToEnd({ animated: true });
}, 100);
}
}, [messages]);
// GPS-Position holen (optional)
const getCurrentLocation = useCallback((): Promise<{ lat: number; lon: number } | null> => {
if (!gpsEnabled) return Promise.resolve(null);
return new Promise((resolve) => {
Geolocation.getCurrentPosition(
(position) => {
resolve({
lat: position.coords.latitude,
lon: position.coords.longitude,
});
},
(_error) => {
resolve(null);
},
{ enableHighAccuracy: false, timeout: 5000 },
);
});
}, [gpsEnabled]);
// --- Nachricht senden ---
const sendTextMessage = useCallback(async () => {
const text = inputText.trim();
if (!text) return;
setInputText('');
const location = await getCurrentLocation();
const userMsg: ChatMessage = {
id: nextId(),
sender: 'user',
text,
timestamp: Date.now(),
};
setMessages(prev => [...prev, userMsg]);
// An RVS senden
rvs.send('chat', {
text,
...(location && { location }),
});
}, [inputText, getCurrentLocation]);
// Sprachaufnahme abgeschlossen
const handleVoiceRecording = useCallback(async (result: RecordingResult) => {
const location = await getCurrentLocation();
const userMsg: ChatMessage = {
id: nextId(),
sender: 'user',
text: '🎙 Spracheingabe wird verarbeitet...',
timestamp: Date.now(),
};
setMessages(prev => [...prev, userMsg]);
rvs.send('audio', {
base64: result.base64,
durationMs: result.durationMs,
mimeType: result.mimeType,
...(location && { location }),
});
}, [getCurrentLocation]);
// Datei senden
const handleFileSelected = useCallback(async (file: FileData) => {
setShowFileUpload(false);
const location = await getCurrentLocation();
const userMsg: ChatMessage = {
id: nextId(),
sender: 'user',
text: `[Datei: ${file.name}]`,
timestamp: Date.now(),
attachments: [{ type: 'file', name: file.name, size: file.size }],
};
setMessages(prev => [...prev, userMsg]);
rvs.send('file', {
name: file.name,
type: file.type,
size: file.size,
base64: file.base64,
...(location && { location }),
});
}, [getCurrentLocation]);
// Foto senden
const handlePhotoSelected = useCallback(async (photo: PhotoData) => {
setShowCameraUpload(false);
const location = await getCurrentLocation();
const userMsg: ChatMessage = {
id: nextId(),
sender: 'user',
text: `[Foto: ${photo.fileName}]`,
timestamp: Date.now(),
attachments: [{ type: 'image', name: photo.fileName }],
};
setMessages(prev => [...prev, userMsg]);
rvs.send('file', {
name: photo.fileName,
type: photo.type,
base64: photo.base64,
width: photo.width,
height: photo.height,
...(location && { location }),
});
}, [getCurrentLocation]);
// --- Rendering ---
const renderMessage = ({ item }: { item: ChatMessage }) => {
const isUser = item.sender === 'user';
const time = new Date(item.timestamp).toLocaleTimeString('de-DE', {
hour: '2-digit',
minute: '2-digit',
});
return (
<View style={[styles.messageBubble, isUser ? styles.userBubble : styles.ariaBubble]}>
<Text style={[styles.messageText, isUser ? styles.userText : styles.ariaText]}>
{item.text}
</Text>
{item.attachments?.map((att, idx) => (
<View key={idx} style={styles.attachmentBadge}>
<Text style={styles.attachmentText}>
{att.type === 'image' ? '\uD83D\uDDBC\uFE0F' : att.type === 'audio' ? '\uD83C\uDFA4' : '\uD83D\uDCC4'} {att.name}
</Text>
</View>
))}
<Text style={styles.timestamp}>{time}</Text>
</View>
);
};
const connectionDotColor =
connectionState === 'connected' ? '#34C759' :
connectionState === 'connecting' ? '#FFD60A' : '#FF3B30';
return (
<KeyboardAvoidingView
style={styles.container}
behavior={Platform.OS === 'ios' ? 'padding' : undefined}
keyboardVerticalOffset={90}
>
{/* Verbindungsstatus-Leiste */}
<View style={styles.statusBar}>
<View style={[styles.statusDot, { backgroundColor: connectionDotColor }]} />
<Text style={styles.statusText}>
{connectionState === 'connected' ? 'Verbunden' :
connectionState === 'connecting' ? 'Verbinde...' : 'Getrennt'}
</Text>
</View>
{/* Nachrichtenliste */}
<FlatList
ref={flatListRef}
data={messages}
keyExtractor={item => item.id}
renderItem={renderMessage}
contentContainerStyle={styles.messageList}
showsVerticalScrollIndicator={false}
ListEmptyComponent={
<View style={styles.emptyContainer}>
<Text style={styles.emptyIcon}>{'\uD83E\uDD16'}</Text>
<Text style={styles.emptyText}>ARIA Cockpit</Text>
<Text style={styles.emptyHint}>Starte eine Konversation mit ARIA</Text>
</View>
}
/>
{/* Eingabebereich */}
<View style={styles.inputContainer}>
{/* Datei-Buttons */}
<TouchableOpacity
style={styles.actionButton}
onPress={() => setShowFileUpload(true)}
>
<Text style={styles.actionIcon}>{'\uD83D\uDCCE'}</Text>
</TouchableOpacity>
<TouchableOpacity
style={styles.actionButton}
onPress={() => setShowCameraUpload(true)}
>
<Text style={styles.actionIcon}>{'\uD83D\uDCF7'}</Text>
</TouchableOpacity>
{/* Texteingabe */}
<TextInput
style={styles.textInput}
value={inputText}
onChangeText={setInputText}
placeholder="Nachricht an ARIA..."
placeholderTextColor="#555570"
multiline
maxLength={4000}
onSubmitEditing={sendTextMessage}
returnKeyType="send"
/>
{/* Senden oder Sprache */}
{inputText.trim() ? (
<TouchableOpacity style={styles.sendButton} onPress={sendTextMessage}>
<Text style={styles.sendIcon}>{'\u2B06\uFE0F'}</Text>
</TouchableOpacity>
) : (
<>
<VoiceButton
onRecordingComplete={handleVoiceRecording}
disabled={connectionState !== 'connected'}
wakeWordActive={wakeWordActive}
/>
<TouchableOpacity
style={[styles.wakeWordBtn, wakeWordActive && styles.wakeWordBtnActive]}
onPress={toggleWakeWord}
>
<Text style={styles.wakeWordIcon}>{wakeWordActive ? '👂' : '🔇'}</Text>
</TouchableOpacity>
</>
)}
</View>
{/* Datei-Upload Modal */}
<Modal visible={showFileUpload} transparent animationType="slide">
<View style={styles.modalOverlay}>
<FileUpload
onFileSelected={handleFileSelected}
onCancel={() => setShowFileUpload(false)}
/>
</View>
</Modal>
{/* Kamera-Upload Modal */}
<Modal visible={showCameraUpload} transparent animationType="slide">
<View style={styles.modalOverlay}>
<CameraUpload
onPhotoSelected={handlePhotoSelected}
onCancel={() => setShowCameraUpload(false)}
/>
</View>
</Modal>
</KeyboardAvoidingView>
);
};
// --- Styles ---
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#0D0D1A',
},
statusBar: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 16,
paddingVertical: 8,
backgroundColor: '#12122A',
borderBottomWidth: 1,
borderBottomColor: '#1E1E2E',
},
statusDot: {
width: 8,
height: 8,
borderRadius: 4,
marginRight: 8,
},
statusText: {
color: '#8888AA',
fontSize: 12,
},
messageList: {
padding: 12,
paddingBottom: 8,
flexGrow: 1,
},
messageBubble: {
maxWidth: '80%',
padding: 12,
borderRadius: 16,
marginBottom: 8,
},
userBubble: {
alignSelf: 'flex-end',
backgroundColor: '#0096FF',
borderBottomRightRadius: 4,
},
ariaBubble: {
alignSelf: 'flex-start',
backgroundColor: '#1E1E2E',
borderBottomLeftRadius: 4,
},
messageText: {
fontSize: 15,
lineHeight: 21,
},
userText: {
color: '#FFFFFF',
},
ariaText: {
color: '#E0E0F0',
},
attachmentBadge: {
backgroundColor: 'rgba(255,255,255,0.1)',
borderRadius: 6,
paddingHorizontal: 8,
paddingVertical: 4,
marginTop: 6,
alignSelf: 'flex-start',
},
attachmentText: {
color: '#CCCCDD',
fontSize: 12,
},
timestamp: {
color: 'rgba(255,255,255,0.4)',
fontSize: 10,
marginTop: 4,
alignSelf: 'flex-end',
},
emptyContainer: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
paddingTop: 120,
},
emptyIcon: {
fontSize: 48,
marginBottom: 12,
},
emptyText: {
color: '#FFFFFF',
fontSize: 22,
fontWeight: '700',
},
emptyHint: {
color: '#555570',
fontSize: 14,
marginTop: 4,
},
inputContainer: {
flexDirection: 'row',
alignItems: 'flex-end',
paddingHorizontal: 10,
paddingVertical: 8,
backgroundColor: '#12122A',
borderTopWidth: 1,
borderTopColor: '#1E1E2E',
},
actionButton: {
width: 38,
height: 38,
borderRadius: 19,
alignItems: 'center',
justifyContent: 'center',
marginRight: 4,
},
actionIcon: {
fontSize: 20,
},
textInput: {
flex: 1,
backgroundColor: '#1E1E2E',
borderRadius: 20,
paddingHorizontal: 16,
paddingVertical: 10,
color: '#FFFFFF',
fontSize: 15,
maxHeight: 100,
marginHorizontal: 6,
},
sendButton: {
width: 40,
height: 40,
borderRadius: 20,
backgroundColor: '#0096FF',
alignItems: 'center',
justifyContent: 'center',
},
sendIcon: {
fontSize: 18,
},
wakeWordBtn: {
width: 32,
height: 32,
borderRadius: 16,
backgroundColor: 'rgba(255,255,255,0.1)',
alignItems: 'center',
justifyContent: 'center',
marginLeft: 4,
},
wakeWordBtnActive: {
backgroundColor: 'rgba(52, 199, 89, 0.3)',
},
wakeWordIcon: {
fontSize: 16,
},
modalOverlay: {
flex: 1,
backgroundColor: 'rgba(0,0,0,0.6)',
justifyContent: 'center',
},
});
export default ChatScreen;