Files
meshcore-sar_android/lib/providers/app_provider.dart
2026-03-06 20:47:02 +01:00

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import 'dart:async';
import 'package:flutter/foundation.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'connection_provider.dart';
import 'contacts_provider.dart';
import 'messages_provider.dart';
import 'drawing_provider.dart';
import 'channels_provider.dart';
import 'voice_provider.dart';
import 'image_provider.dart' as ip;
import 'helpers/fragment_ack_wait_registry.dart';
import 'helpers/session_metadata_restore.dart';
import '../services/tile_cache_service.dart';
import '../services/location_tracking_service.dart';
import '../services/packet_capture_storage_service.dart';
import '../models/contact.dart';
import '../models/message.dart';
import '../models/ble_packet_log.dart';
import '../utils/drawing_message_parser.dart';
import '../utils/voice_message_parser.dart';
import '../utils/image_message_parser.dart';
/// Main App Provider - coordinates all other providers
class AppProvider with ChangeNotifier {
static const int _maxDirectPayloadHops = 3;
final ConnectionProvider connectionProvider;
final ContactsProvider contactsProvider;
final MessagesProvider messagesProvider;
final DrawingProvider drawingProvider;
final ChannelsProvider channelsProvider;
final VoiceProvider voiceProvider;
final ip.ImageProvider imageProvider;
final TileCacheService tileCacheService;
final LocationTrackingService locationTrackingService =
LocationTrackingService();
final PacketCaptureStorageService packetCaptureStorageService =
PacketCaptureStorageService();
bool _isInitialized = false;
bool get isInitialized => _isInitialized;
bool _isSimpleMode = true;
bool get isSimpleMode => _isSimpleMode;
bool _isMapEnabled = true;
bool get isMapEnabled => _isMapEnabled;
bool _isContactsEnabled = true;
bool get isContactsEnabled => _isContactsEnabled;
bool _isVoiceSilenceTrimmingEnabled = true;
bool get isVoiceSilenceTrimmingEnabled => _isVoiceSilenceTrimmingEnabled;
bool _isVoiceBandPassFilterEnabled = true;
bool get isVoiceBandPassFilterEnabled => _isVoiceBandPassFilterEnabled;
bool _isVoiceCompressorEnabled = true;
bool get isVoiceCompressorEnabled => _isVoiceCompressorEnabled;
bool _isVoiceLimiterEnabled = true;
bool get isVoiceLimiterEnabled => _isVoiceLimiterEnabled;
bool _autoAddDiscoveredContacts = false;
bool get autoAddDiscoveredContacts => _autoAddDiscoveredContacts;
static const Duration _packetRetryDelay = Duration(milliseconds: 1200);
static const int _maxPacketRetryAttempts = 4;
final Map<String, String> _voiceSessionSenderKey6 = {};
final Map<String, String> _imageSessionSenderKey6 = {};
final Map<String, Timer> _voiceMissingRetryTimers = {};
final Map<String, int> _voiceMissingRetryAttempts = {};
final FragmentAckWaitRegistry _voiceFragmentAckWaiters =
FragmentAckWaitRegistry();
final FragmentAckWaitRegistry _imageFragmentAckWaiters =
FragmentAckWaitRegistry();
Timer? _packetCaptureFlushTimer;
String? _lastPersistedPacketSignature;
bool _isPersistingPacketCapture = false;
AppProvider({
required this.connectionProvider,
required this.contactsProvider,
required this.messagesProvider,
required this.drawingProvider,
required this.channelsProvider,
required this.voiceProvider,
required this.imageProvider,
required this.tileCacheService,
}) {
_setupCallbacks();
_initializeTileCache();
_initializeLocationTracking();
_loadSimpleMode();
_loadMapEnabled();
_loadContactsEnabled();
_loadVoiceSilenceTrimmingEnabled();
_loadVoiceBandPassFilterEnabled();
_loadVoiceCompressorEnabled();
_loadVoiceLimiterEnabled();
_loadAutoAddDiscoveredContacts();
_startPacketCapturePersistence();
_syncDrawingsOnStartup(); // Sync drawings immediately after providers load
_isInitialized = true;
}
void _startPacketCapturePersistence() {
_packetCaptureFlushTimer?.cancel();
_packetCaptureFlushTimer = Timer.periodic(const Duration(seconds: 2), (_) {
unawaited(_flushPacketCaptureLogs());
});
unawaited(_flushPacketCaptureLogs());
}
String _packetLogSignature(BlePacketLog log) {
final prefix = log.rawData.length <= 12
? log.rawData
: log.rawData.sublist(0, 12);
final prefixHex = prefix
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join();
return '${log.timestamp.microsecondsSinceEpoch}|'
'${log.direction.name}|${log.responseCode ?? -1}|'
'${log.rawData.length}|$prefixHex';
}
Future<void> _flushPacketCaptureLogs() async {
if (_isPersistingPacketCapture) return;
_isPersistingPacketCapture = true;
try {
final logs = connectionProvider.bleService.packetLogs;
if (logs.isEmpty) return;
List<BlePacketLog> toPersist = const [];
if (_lastPersistedPacketSignature == null) {
toPersist = logs;
} else {
final lastSig = _lastPersistedPacketSignature!;
var lastIndex = -1;
for (var i = logs.length - 1; i >= 0; i--) {
if (_packetLogSignature(logs[i]) == lastSig) {
lastIndex = i;
break;
}
}
if (lastIndex == -1) {
// In-memory log rotated or cleared; persist current window to avoid gaps.
toPersist = logs;
} else if (lastIndex < logs.length - 1) {
toPersist = logs.sublist(lastIndex + 1);
}
}
if (toPersist.isNotEmpty) {
await packetCaptureStorageService.appendLogs(toPersist);
}
_lastPersistedPacketSignature = _packetLogSignature(logs.last);
} catch (e) {
debugPrint('❌ [AppProvider] Packet capture flush failed: $e');
} finally {
_isPersistingPacketCapture = false;
}
}
/// Sync drawings from messages on app startup (before BLE connection)
Future<void> _syncDrawingsOnStartup() async {
// Wait for MessagesProvider to finish initializing
// DrawingProvider loads around the same time
int attempts = 0;
while (!messagesProvider.isInitialized && attempts < 20) {
await Future.delayed(const Duration(milliseconds: 50));
attempts++;
}
// Give DrawingProvider a moment to finish loading too
await Future.delayed(const Duration(milliseconds: 100));
_restoreSessionMetadataFromMessages();
debugPrint(
'🔄 [AppProvider] Early sync: syncing drawings from messages...',
);
messagesProvider.syncDrawingsWithProvider(drawingProvider);
}
void _restoreSessionMetadataFromMessages() {
final restored = restoreSessionMetadataFromMessages(
messagesProvider.messages.map((message) => message.text),
);
_voiceSessionSenderKey6.addAll(restored.voiceSenderKeyBySession);
for (final entry in restored.imageEnvelopeBySession.entries) {
_imageSessionSenderKey6[entry.key] = entry.value.senderKey6.toLowerCase();
imageProvider.registerEnvelope(entry.value);
}
final restoredVoice = restored.voiceSenderKeyBySession.length;
final restoredImage = restored.imageEnvelopeBySession.length;
if (restoredVoice > 0 || restoredImage > 0) {
debugPrint(
'🔄 [AppProvider] Restored session metadata from messages: '
'$restoredVoice voice, $restoredImage image',
);
}
}
/// Load simple mode setting from shared preferences
Future<void> _loadSimpleMode() async {
try {
final prefs = await SharedPreferences.getInstance();
_isSimpleMode = prefs.getBool('simple_mode') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading simple mode setting: $e');
}
}
/// Toggle simple mode on/off
Future<void> toggleSimpleMode(bool enabled) async {
try {
_isSimpleMode = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('simple_mode', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving simple mode setting: $e');
}
}
/// Load map enabled setting from shared preferences
Future<void> _loadMapEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isMapEnabled = prefs.getBool('map_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading map enabled setting: $e');
}
}
/// Toggle map on/off
Future<void> toggleMapEnabled(bool enabled) async {
try {
_isMapEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('map_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving map enabled setting: $e');
}
}
/// Load contacts enabled setting from shared preferences
Future<void> _loadContactsEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isContactsEnabled = prefs.getBool('contacts_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading contacts enabled setting: $e');
}
}
/// Toggle contacts tab on/off
Future<void> toggleContactsEnabled(bool enabled) async {
try {
_isContactsEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('contacts_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving contacts enabled setting: $e');
}
}
/// Load voice silence trimming setting from shared preferences.
Future<void> _loadVoiceSilenceTrimmingEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isVoiceSilenceTrimmingEnabled =
prefs.getBool('voice_silence_trimming_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading voice silence trimming setting: $e');
}
}
/// Toggle voice silence trimming on/off.
Future<void> toggleVoiceSilenceTrimmingEnabled(bool enabled) async {
try {
_isVoiceSilenceTrimmingEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('voice_silence_trimming_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving voice silence trimming setting: $e');
}
}
/// Load voice band-pass filter setting from shared preferences.
Future<void> _loadVoiceBandPassFilterEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isVoiceBandPassFilterEnabled =
prefs.getBool('voice_band_pass_filter_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading voice band-pass filter setting: $e');
}
}
/// Toggle voice band-pass filter on/off.
Future<void> toggleVoiceBandPassFilterEnabled(bool enabled) async {
try {
_isVoiceBandPassFilterEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('voice_band_pass_filter_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving voice band-pass filter setting: $e');
}
}
/// Load voice compressor setting from shared preferences.
Future<void> _loadVoiceCompressorEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isVoiceCompressorEnabled =
prefs.getBool('voice_compressor_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading voice compressor setting: $e');
}
}
/// Toggle voice compressor on/off.
Future<void> toggleVoiceCompressorEnabled(bool enabled) async {
try {
_isVoiceCompressorEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('voice_compressor_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving voice compressor setting: $e');
}
}
/// Load voice limiter setting from shared preferences.
Future<void> _loadVoiceLimiterEnabled() async {
try {
final prefs = await SharedPreferences.getInstance();
_isVoiceLimiterEnabled = prefs.getBool('voice_limiter_enabled') ?? true;
notifyListeners();
} catch (e) {
debugPrint('Error loading voice limiter setting: $e');
}
}
/// Toggle voice limiter on/off.
Future<void> toggleVoiceLimiterEnabled(bool enabled) async {
try {
_isVoiceLimiterEnabled = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('voice_limiter_enabled', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving voice limiter setting: $e');
}
}
/// Load auto-add discovered contacts setting from shared preferences.
Future<void> _loadAutoAddDiscoveredContacts() async {
try {
final prefs = await SharedPreferences.getInstance();
_autoAddDiscoveredContacts =
prefs.getBool('auto_add_discovered_contacts') ?? false;
notifyListeners();
} catch (e) {
debugPrint('Error loading auto-add discovered contacts setting: $e');
}
}
/// Toggle auto-add discovered contacts on/off.
Future<void> toggleAutoAddDiscoveredContacts(bool enabled) async {
try {
_autoAddDiscoveredContacts = enabled;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('auto_add_discovered_contacts', enabled);
notifyListeners();
} catch (e) {
debugPrint('Error saving auto-add discovered contacts setting: $e');
}
}
/// Initialize tile cache service
Future<void> _initializeTileCache() async {
try {
await tileCacheService.initialize();
debugPrint('Tile cache initialized');
} catch (e) {
debugPrint('Error initializing tile cache: $e');
}
}
/// Initialize location tracking service
Future<void> _initializeLocationTracking() async {
try {
// Initialize location tracking with BLE service
await locationTrackingService.initialize(connectionProvider.bleService);
// Setup callbacks
locationTrackingService.onPositionUpdate = (position) {
debugPrint(
'📍 [AppProvider] Position updated: ${position.latitude}, ${position.longitude}',
);
};
locationTrackingService.onBroadcastSent = (position) {
debugPrint('📡 [AppProvider] Position broadcast to mesh network');
};
locationTrackingService.onError = (error) {
debugPrint('❌ [AppProvider] Location tracking error: $error');
};
locationTrackingService.onTrackingStateChanged = (isTracking) {
debugPrint(
'🔄 [AppProvider] Location tracking state: ${isTracking ? "started" : "stopped"}',
);
};
debugPrint('✅ [AppProvider] Location tracking service initialized');
} catch (e) {
debugPrint('❌ [AppProvider] Error initializing location tracking: $e');
}
}
/// Setup callbacks between providers
void _setupCallbacks() {
// Monitor connection state changes to start/stop location tracking
connectionProvider.addListener(_handleConnectionStateChange);
voiceProvider.sendRawPacketCallback =
({
required Uint8List contactPath,
required int contactPathLen,
required Uint8List payload,
}) async {
await connectionProvider.sendRawVoicePacket(
contactPath: contactPath,
contactPathLen: contactPathLen,
payload: payload,
);
};
// Image raw-packet serving reuses the same BLE raw-data path as voice.
imageProvider.sendRawPacketCallback =
({
required Uint8List contactPath,
required int contactPathLen,
required Uint8List payload,
}) async {
await connectionProvider.sendRawVoicePacket(
contactPath: contactPath,
contactPathLen: contactPathLen,
payload: payload,
);
};
voiceProvider.waitForFragmentAckCallback =
({
required sessionId,
required index,
timeout = const Duration(seconds: 8),
}) => _waitForVoiceFragmentAck(
sessionId: sessionId,
index: index,
timeout: timeout,
);
imageProvider.waitForFragmentAckCallback =
({
required sessionId,
required index,
timeout = const Duration(seconds: 8),
}) => _waitForImageFragmentAck(
sessionId: sessionId,
index: index,
timeout: timeout,
);
// When a contact is received from BLE
connectionProvider.onContactReceived = (contact) {
// Pass device public key to filter out our own contact
contactsProvider.addOrUpdateContact(
contact,
devicePublicKey: connectionProvider.deviceInfo.publicKey,
);
// Broadcast to SSE clients if server is running
connectionProvider.broadcastContactToSseClients(contact);
};
// When all contacts are received
connectionProvider.onContactsComplete = (contacts) {
// Pass device public key to filter out our own contact
contactsProvider.addContacts(
contacts,
devicePublicKey: connectionProvider.deviceInfo.publicKey,
);
debugPrint('Received ${contacts.length} contacts');
// Broadcast all contacts to SSE clients if server is running
for (final contact in contacts) {
connectionProvider.broadcastContactToSseClients(contact);
}
};
// Setup callback for ConnectionProvider to query channel info
connectionProvider.getChannelInfo = (int channelIdx) {
return channelsProvider.getChannel(channelIdx);
};
// When channel info is received
connectionProvider.onChannelInfoReceived =
(int channelIdx, String channelName, Uint8List secret, int? flags) {
try {
debugPrint(
'🔔 [AppProvider] onChannelInfoReceived called: idx=$channelIdx, name="$channelName"',
);
// Check if this is a channel deletion (empty name)
if (channelName.isEmpty && channelIdx != 0) {
debugPrint(
' 🗑️ Channel $channelIdx deleted - removing from providers',
);
// Remove from ChannelsProvider
channelsProvider.removeChannel(channelIdx);
debugPrint(' ✅ Removed from ChannelsProvider');
// Remove from ContactsProvider using pseudo public key
final publicKeyBytes = Uint8List(32);
publicKeyBytes[0] = 0xFF; // Special marker for channels
publicKeyBytes[1] = channelIdx; // Channel index
final publicKeyHex = publicKeyBytes
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join('');
contactsProvider.removeContact(publicKeyHex);
debugPrint(' ✅ Removed from ContactsProvider');
return;
}
// Add/update in ChannelsProvider
channelsProvider.addOrUpdateChannel(
index: channelIdx,
name: channelName,
secret: secret,
flags: flags,
);
debugPrint(' ✅ Added to ChannelsProvider');
// Also add as Contact to ContactsProvider (for UI display)
// Skip if it's public channel (already exists)
debugPrint(
'📻 [AppProvider] Channel $channelIdx: "$channelName" (isEmpty: ${channelName.isEmpty}, isHashChannel: ${channelName.startsWith('#')})',
);
if (channelName.isNotEmpty && channelIdx != 0) {
debugPrint(
' ✅ Adding channel $channelIdx to ContactsProvider as Contact',
);
// Create a pseudo public key for the channel based on its index
// Use channel index as a unique identifier (pad to 32 bytes)
final publicKeyBytes = Uint8List(32);
publicKeyBytes[0] = 0xFF; // Special marker for channels
publicKeyBytes[1] = channelIdx; // Channel index
final now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
contactsProvider.addOrUpdateContact(
Contact(
publicKey: publicKeyBytes,
type: ContactType.channel,
flags: flags ?? 0,
outPathLen: -1, // Flood mode for channels
outPath: Uint8List(0), // Empty path for channels
advName: channelName,
lastAdvert: now,
advLat: 0, // Channels don't have location
advLon: 0,
lastMod: now,
isNew: false, // Don't mark channels as new
),
);
debugPrint(
' ✅ Channel contact added. Total channels in ContactsProvider: ${contactsProvider.channels.length}',
);
} else {
debugPrint(
' ⏭️ Skipping channel $channelIdx (empty: ${channelName.isEmpty}, isPublic: ${channelIdx == 0})',
);
}
} catch (e, stackTrace) {
debugPrint('❌ [AppProvider] Error in onChannelInfoReceived: $e');
debugPrint(' Stack trace: $stackTrace');
}
};
// When a message is received
connectionProvider.onMessageReceived = (message) {
// Enrich message with sender name from contacts first
Message enrichedMessage = message;
Contact? senderContact;
if (message.senderPublicKeyPrefix != null && message.senderName == null) {
final contact = contactsProvider.findContactByKey(
message.senderPublicKeyPrefix!,
);
if (contact != null) {
senderContact = contact;
enrichedMessage = message.copyWith(senderName: contact.advName);
}
}
senderContact ??= message.senderPublicKeyPrefix != null
? contactsProvider.findContactByKey(message.senderPublicKeyPrefix!)
: null;
senderContact ??= enrichedMessage.senderName != null
? contactsProvider.contacts
.where((c) => c.advName == enrichedMessage.senderName)
.firstOrNull
: null;
final contactLocationSnapshot = senderContact != null
? contactsProvider.buildMessageContactLocationSnapshot(
senderContact,
capturedAt: enrichedMessage.receivedAt,
)
: null;
// Check if message is a drawing broadcast
if (DrawingMessageParser.isDrawingMessage(enrichedMessage.text)) {
debugPrint('🎨 [AppProvider] Drawing message received, parsing...');
// Extract sender name from message packet metadata
final senderName = enrichedMessage.senderName ?? 'unknown';
final drawing = DrawingMessageParser.parseDrawingMessage(
enrichedMessage.text,
senderName: senderName,
messageId:
enrichedMessage.id, // Pass message ID for navigation linking
);
if (drawing != null) {
debugPrint(
'🎨 [AppProvider] Drawing parsed successfully: ${drawing.type.name} from ${drawing.senderName ?? "unknown"}',
);
debugPrint(' Drawing linked to message ID: ${enrichedMessage.id}');
drawingProvider.addReceivedDrawing(drawing);
// Update message to mark as drawing and link to drawing ID
final updatedMessage = enrichedMessage.copyWith(
isDrawing: true,
drawingId: drawing.id,
);
// Add the drawing message to chat with drawing metadata
// This allows users to click on the drawing message to navigate to it
messagesProvider.addMessage(
updatedMessage,
contactLookup: (name) => '',
contactLocationSnapshot: contactLocationSnapshot,
);
// Broadcast drawing message to SSE clients if server is running
connectionProvider.broadcastMessageToSseClients(updatedMessage);
} else {
debugPrint('⚠️ [AppProvider] Failed to parse drawing message');
}
return;
}
// Voice envelope message (new public/direct on-demand format).
final voiceEnvelope = VoiceEnvelope.tryParseText(enrichedMessage.text);
if (voiceEnvelope != null) {
_voiceSessionSenderKey6[voiceEnvelope.sessionId] = voiceEnvelope
.senderKey6
.toLowerCase();
enrichedMessage = enrichedMessage.copyWith(
isVoice: true,
voiceId: voiceEnvelope.sessionId,
);
messagesProvider.addMessage(
enrichedMessage,
contactLookup: (name) {
try {
final contact = contactsProvider.contacts.firstWhere(
(c) => c.advName == name,
);
return contact.publicKeyHex.isNotEmpty &&
contact.publicKeyHex.length >= 12
? contact.publicKeyHex.substring(0, 12)
: '';
} catch (_) {
return '';
}
},
contactLocationSnapshot: contactLocationSnapshot,
);
connectionProvider.broadcastMessageToSseClients(enrichedMessage);
return;
}
// Image envelope (IE1): announce image availability.
final imageEnvelope = ImageEnvelope.tryParse(enrichedMessage.text);
if (imageEnvelope != null) {
_imageSessionSenderKey6[imageEnvelope.sessionId] = imageEnvelope
.senderKey6
.toLowerCase();
imageProvider.registerEnvelope(imageEnvelope);
messagesProvider.addMessage(
enrichedMessage,
contactLookup: (name) {
try {
final contact = contactsProvider.contacts.firstWhere(
(c) => c.advName == name,
);
return contact.publicKeyHex.isNotEmpty &&
contact.publicKeyHex.length >= 12
? contact.publicKeyHex.substring(0, 12)
: '';
} catch (_) {
return '';
}
},
contactLocationSnapshot: contactLocationSnapshot,
);
connectionProvider.broadcastMessageToSseClients(enrichedMessage);
return;
}
// If it's a text-format voice packet, feed it to VoiceProvider
if (VoicePacket.isVoiceText(enrichedMessage.text)) {
final pkt = VoicePacket.tryParseText(enrichedMessage.text);
if (pkt != null) {
voiceProvider.addPacket(pkt);
// Mark the message with voice metadata before adding to chat
enrichedMessage = enrichedMessage.copyWith(
isVoice: true,
voiceId: pkt.sessionId,
);
}
}
// Pass contact lookup function to link channel messages with contacts
messagesProvider.addMessage(
enrichedMessage,
contactLookup: (name) {
// Find contact by name and return their public key hex (first 12 chars for 6 bytes)
try {
final contact = contactsProvider.contacts.firstWhere(
(c) => c.advName == name,
);
return contact.publicKeyHex.isNotEmpty &&
contact.publicKeyHex.length >= 12
? contact.publicKeyHex.substring(0, 12)
: '';
} catch (e) {
// No matching contact found
return '';
}
},
contactLocationSnapshot: contactLocationSnapshot,
);
// Broadcast message to SSE clients if server is running
connectionProvider.broadcastMessageToSseClients(enrichedMessage);
};
// When telemetry is received via PUSH_CODE_TELEMETRY_RESPONSE (0x8B)
// Used by older firmware versions for telemetry responses
connectionProvider.onTelemetryReceived = (publicKey, lppData) {
debugPrint(
'📊 [AppProvider] Telemetry response (0x8B) received - updating contact',
);
contactsProvider.updateTelemetry(publicKey, lppData);
};
// When binary response is received via PUSH_CODE_BINARY_RESPONSE (0x8C)
// Used by newer firmware versions for telemetry and other binary data
// BOTH callbacks (0x8B and 0x8C) must be handled for device compatibility
connectionProvider.onBinaryResponse = (publicKeyPrefix, tag, responseData) {
debugPrint(
'📊 [AppProvider] Binary response (0x8C) received - updating contact telemetry',
);
// Binary response tag 0 = telemetry data (Cayenne LPP format)
// Other tags may be used for different data types in the future
contactsProvider.updateTelemetry(publicKeyPrefix, responseData);
};
// When raw binary data is received (PUSH_CODE_RAW_DATA 0x84)
// Magic 0x72 'r' = voice fetch request; 0x69 'i' = image fetch request.
// Magic 0x56 'V' = voice packet; magic 0x49 'I' = image packet.
connectionProvider.onRawDataReceived = (payload, snrRaw, rssiDbm) {
final voiceFetchRequest = VoiceFetchRequest.tryParseBinary(payload);
if (voiceFetchRequest != null) {
final requester = contactsProvider.findContactByPrefixHex(
voiceFetchRequest.requesterKey6,
);
if (requester == null) {
debugPrint(
'⚠️ [AppProvider] Voice fetch requester contact not found (binary)',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch voice: requester contact is unknown. Add/sync contacts first.',
level: 'warning',
);
return;
}
if (requester.outPathLen > _maxDirectPayloadHops) {
debugPrint(
'⚠️ [AppProvider] Voice fetch requester too far: ${requester.outPathLen} hops',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch voice for ${requester.advName}: message is too far (${requester.outPathLen} hops, max $_maxDirectPayloadHops).',
level: 'warning',
);
return;
}
unawaited(
voiceProvider.serveSessionTo(
sessionId: voiceFetchRequest.sessionId,
requester: requester,
requestedIndices: voiceFetchRequest.want == 'missing'
? voiceFetchRequest.missingIndices.toSet()
: null,
),
);
return;
}
final imageFetchRequest = ImageFetchRequest.tryParseBinary(payload);
if (imageFetchRequest != null) {
final requester = _resolveImageFetchRequester(imageFetchRequest);
if (requester == null) {
debugPrint(
'⚠️ [AppProvider] Image fetch requester contact not found (binary) '
'for session ${imageFetchRequest.sessionId} / '
'${imageFetchRequest.requesterKey6}',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch image: requester contact is unknown. Add/sync contacts first.',
level: 'warning',
);
return;
}
if (requester.outPathLen > _maxDirectPayloadHops) {
debugPrint(
'⚠️ [AppProvider] Image fetch requester too far: '
'${requester.outPathLen} hops for session '
'${imageFetchRequest.sessionId}',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch image for ${requester.advName}: message is too far (${requester.outPathLen} hops, max $_maxDirectPayloadHops).',
level: 'warning',
);
return;
}
debugPrint(
'📷 [AppProvider] Serving image session ${imageFetchRequest.sessionId} '
'to ${requester.advName} via ${requester.outPathLen} hop(s)',
);
unawaited(
imageProvider.serveSessionTo(
sessionId: imageFetchRequest.sessionId,
requester: requester,
requestedIndices: imageFetchRequest.want == 'missing'
? imageFetchRequest.missingIndices.toSet()
: null,
),
);
return;
}
final voiceAck = VoiceFragmentAck.tryParseBinary(payload);
if (voiceAck != null) {
_completeVoiceFragmentAck(voiceAck.sessionId, voiceAck.index);
return;
}
final imageAck = ImageFragmentAck.tryParseBinary(payload);
if (imageAck != null) {
_completeImageFragmentAck(imageAck.sessionId, imageAck.index);
return;
}
if (ImagePacket.isImageBinary(payload)) {
final frag = ImagePacket.tryParseBinary(payload);
if (frag == null) return;
debugPrint('📷 [AppProvider] Binary image fragment received: $frag');
final session = imageProvider.session(frag.sessionId);
imageProvider.addFragment(
frag,
width: session?.width ?? 0,
height: session?.height ?? 0,
);
_sendImageFragmentAck(frag);
return;
}
if (!VoicePacket.isVoiceBinary(payload)) return;
final pkt = VoicePacket.tryParseBinary(payload);
if (pkt == null) return;
debugPrint('🎙️ [AppProvider] Binary voice packet received: $pkt');
final justComplete = voiceProvider.addPacket(pkt);
_sendVoiceFragmentAck(pkt);
_scheduleVoiceMissingRetry(pkt.sessionId, justComplete: justComplete);
// Insert or update the placeholder message in the chat list
_handleIncomingVoicePacket(pkt, justComplete: justComplete);
};
// When a contact's routing path is updated in the mesh network
connectionProvider.onPathUpdated = (publicKey) {
debugPrint(
'🔄 [AppProvider] Path updated for contact: ${publicKey.sublist(0, 6).map((b) => b.toRadixString(16).padLeft(2, '0')).join(':')}...',
);
// Trigger a single contact fetch to get the updated path information
// This is much more efficient than fetching all contacts
// This happens asynchronously to avoid blocking the event handler
Future.delayed(const Duration(milliseconds: 100), () {
if (connectionProvider.deviceInfo.isConnected) {
connectionProvider.getContact(publicKey);
}
});
};
// When an advertisement is received (PUSH_CODE_ADVERT 0x80)
// This may be sent by the radio for existing contacts instead of PUSH_CODE_NEW_ADVERT (0x8A)
connectionProvider.onAdvertReceived = (publicKey) {
debugPrint(
'📡 [AppProvider] Advertisement received: ${publicKey.sublist(0, 6).map((b) => b.toRadixString(16).padLeft(2, '0')).join(':')}...',
);
// Check if this is an existing contact that might have updated location
final contact = contactsProvider.findContactByKey(publicKey);
if (contact != null) {
debugPrint(
' Existing contact "${contact.advName}" - fetching updated contact info (optimized)',
);
// Trigger a single contact fetch to get the updated contact information
// This is much more efficient than fetching all contacts
Future.delayed(const Duration(milliseconds: 100), () {
if (connectionProvider.deviceInfo.isConnected) {
connectionProvider.getContact(publicKey);
}
});
} else {
if (_autoAddDiscoveredContacts) {
debugPrint(' Unknown contact - auto-add enabled, fetching details');
Future.delayed(const Duration(milliseconds: 100), () {
if (connectionProvider.deviceInfo.isConnected) {
connectionProvider.getContact(publicKey);
}
});
} else {
contactsProvider.addPendingAdvert(
publicKey,
devicePublicKey: connectionProvider.deviceInfo.publicKey,
);
debugPrint(
' Unknown contact - added to pending adverts list and waiting for details',
);
}
}
};
// When firmware deletes a contact due to contacts table overflow (PUSH_CODE_CONTACT_DELETED 0x8F)
connectionProvider.onContactDeleted = (publicKey) {
final keyHex = publicKey
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join('');
final contact = contactsProvider.findContactByKey(publicKey);
final name = contact?.advName ?? keyHex.substring(0, 12);
debugPrint('⚠️ [AppProvider] Contact deleted by firmware: $name');
contactsProvider.removeContact(keyHex);
messagesProvider.logSystemMessage(
text: 'Contact "$name" was removed — device contacts table is full',
level: 'warning',
);
};
// When firmware reports contacts storage is full (PUSH_CODE_CONTACTS_FULL 0x90)
connectionProvider.onContactsFull = () {
debugPrint('⚠️ [AppProvider] Contacts storage full');
messagesProvider.logSystemMessage(
text:
'Device contacts storage is full. New contacts will overwrite old ones.',
level: 'warning',
);
};
// When a message is sent (RESP_CODE_SENT received)
connectionProvider
.onMessageSent = (messageId, expectedAckTag, suggestedTimeoutMs) {
debugPrint(
'📤 [AppProvider] Message sent - Message ID: $messageId, ACK tag: $expectedAckTag',
);
messagesProvider.markMessageSent(
messageId,
expectedAckTag,
suggestedTimeoutMs,
);
};
// When a message is delivered (PUSH_CODE_SEND_CONFIRMED received)
connectionProvider.onMessageDelivered = (ackCode, roundTripTimeMs) {
debugPrint(
'✅ [AppProvider] Message delivered - ACK: $ackCode, RTT: ${roundTripTimeMs}ms',
);
messagesProvider.markMessageDelivered(ackCode, roundTripTimeMs);
};
// When an echo is detected for a public channel message (PUSH_CODE_LOG_RX_DATA matched)
connectionProvider
.onMessageEchoDetected = (messageId, echoCount, snrRaw, rssiDbm) {
debugPrint(
'🔊 [AppProvider] Echo detected - Message: $messageId, Count: $echoCount',
);
messagesProvider.handleMessageEcho(messageId, echoCount, snrRaw, rssiDbm);
};
// Wire up MessagesProvider's sendMessageCallback for retry logic
messagesProvider.sendMessageCallback =
({
required contactPublicKey,
required text,
required messageId,
required contact,
retryAttempt = 0,
}) async {
return await connectionProvider.sendTextMessage(
contactPublicKey: contactPublicKey,
text: text,
messageId: messageId,
contact: contact,
retryAttempt: retryAttempt,
);
};
}
/// Initialize the app (load contacts, sync time, etc.)
Future<void> initialize() async {
if (!connectionProvider.deviceInfo.isConnected) return;
try {
// Initialize contacts provider with device public key to exclude self
// If already initialized (from early load), this will just filter out self-contact
// This must happen before getContacts to ensure proper filtering
await contactsProvider.initialize(
devicePublicKey: connectionProvider.deviceInfo.publicKey,
);
// Note: Device clock is automatically synced during connection in MeshCoreBleService
// No need to sync it again here
// Get battery and storage information
await connectionProvider.getBatteryAndStorage();
// Load contacts
await connectionProvider.getContacts();
// Small delay to ensure contacts are fully loaded
await Future.delayed(const Duration(milliseconds: 500));
// Sync channels to get channel names
// In simple mode: only sync first 5 channels for faster startup
// In normal mode: sync all channels (up to device max)
final channelsToSync = _isSimpleMode ? 5 : null;
debugPrint(
'📻 [AppProvider] Syncing channels${_isSimpleMode ? ' (simple mode: max 5)' : ''}...',
);
await connectionProvider.syncChannels(maxChannels: channelsToSync);
debugPrint('✅ [AppProvider] Channel sync complete');
// Configure the default public channel (channel 0)
// This must be done before sending any channel messages
// Note: Some firmware versions may have this pre-configured
debugPrint(
'📻 [AppProvider] Configuring default public channel (channel 0)...',
);
try {
await connectionProvider.configureDefaultPublicChannel();
debugPrint('✅ [AppProvider] Public channel configured successfully');
} catch (e) {
debugPrint(
'⚠️ [AppProvider] Public channel configuration failed (may already be configured): $e',
);
// Continue anyway - channel might already be configured in firmware
}
// Automatically login to all saved rooms
await _autoLoginToRooms();
// FALLBACK: Sync messages once after connection to catch any missed push notifications
// This handles the case where messages arrived while the app was disconnected
debugPrint(
'🔄 [AppProvider] Performing initial message sync (fallback for missed pushes)',
);
final initialMessageCount = await connectionProvider.syncAllMessages();
debugPrint(
'📥 [AppProvider] Initial sync retrieved $initialMessageCount message(s)',
);
// Note: Future messages are synced automatically via PUSH_CODE_MSG_WAITING events
// Start location tracking AFTER all initialization is complete
debugPrint(
'📍 [AppProvider] Starting location tracking after successful initialization',
);
await _startLocationTracking();
// Sync drawing messages with DrawingProvider
// This restores any drawings that may be missing from storage
debugPrint(
'🎨 [AppProvider] Syncing drawing messages with DrawingProvider...',
);
messagesProvider.syncDrawingsWithProvider(drawingProvider);
notifyListeners();
} catch (e) {
debugPrint('Initialization error: $e');
}
}
/// Automatically login to all rooms with saved passwords on cold connect
Future<void> _autoLoginToRooms() async {
if (!connectionProvider.deviceInfo.isConnected) return;
try {
// Get all room contacts (excluding Public Channel)
final rooms = contactsProvider.rooms
.where((room) => !room.isPublicChannel)
.toList();
if (rooms.isEmpty) {
debugPrint('📂 [AppProvider] No rooms found to auto-login');
return;
}
debugPrint(
'📂 [AppProvider] Found ${rooms.length} room(s), attempting auto-login...',
);
final prefs = await SharedPreferences.getInstance();
for (final room in rooms) {
try {
// Load saved password for this room
final roomKey = 'room_password_${room.publicKeyHex}';
final savedPassword = prefs.getString(roomKey) ?? 'hello';
debugPrint(
'🔑 [AppProvider] Auto-logging into room: ${room.advName}',
);
// Set up one-time callbacks for this room login
await _loginToRoomWithCallback(room, savedPassword);
// Small delay between logins to avoid overwhelming the device
await Future.delayed(const Duration(milliseconds: 300));
} catch (e) {
debugPrint(
'❌ [AppProvider] Failed to auto-login to ${room.advName}: $e',
);
}
}
} catch (e) {
debugPrint('❌ [AppProvider] Auto-login error: $e');
}
}
/// Login to a specific room with callback handling
Future<void> _loginToRoomWithCallback(Contact room, String password) async {
// Create a completer to wait for login result
final completer = Completer<bool>();
// Store original callbacks
final originalOnSuccess = connectionProvider.onLoginSuccess;
final originalOnFail = connectionProvider.onLoginFail;
// Set up temporary callbacks
connectionProvider
.onLoginSuccess = (publicKeyPrefix, permissions, isAdmin, tag) async {
// Restore original callbacks
connectionProvider.onLoginSuccess = originalOnSuccess;
connectionProvider.onLoginFail = originalOnFail;
debugPrint('✅ [AppProvider] Auto-login successful for ${room.advName}');
debugPrint(
'📡 [AppProvider] Room server will push messages automatically via PUSH_CODE_MSG_WAITING',
);
completer.complete(true);
};
connectionProvider.onLoginFail = (publicKeyPrefix) {
// Restore original callbacks
connectionProvider.onLoginSuccess = originalOnSuccess;
connectionProvider.onLoginFail = originalOnFail;
debugPrint(
'❌ [AppProvider] Auto-login failed for ${room.advName} (incorrect password)',
);
completer.complete(false);
};
try {
// Send login request
await connectionProvider.loginToRoom(
roomPublicKey: room.publicKey,
password: password,
);
// Wait for login result with timeout
await completer.future.timeout(
const Duration(seconds: 10),
onTimeout: () {
// Restore callbacks on timeout
connectionProvider.onLoginSuccess = originalOnSuccess;
connectionProvider.onLoginFail = originalOnFail;
debugPrint('⏱️ [AppProvider] Auto-login timeout for ${room.advName}');
return false;
},
);
} catch (e) {
// Restore callbacks on error
connectionProvider.onLoginSuccess = originalOnSuccess;
connectionProvider.onLoginFail = originalOnFail;
debugPrint(
'❌ [AppProvider] Error during auto-login to ${room.advName}: $e',
);
}
}
Contact? _resolveContactByPrefixHex(String prefixHex) {
if (prefixHex.length != 12) return null;
return contactsProvider.findContactByPrefixHex(prefixHex.toLowerCase());
}
Contact? _resolveImageFetchRequester(ImageFetchRequest request) {
final liveContact = _resolveContactByPrefixHex(request.requesterKey6);
if (liveContact != null) {
return liveContact;
}
for (final message in messagesProvider.messages.reversed) {
final envelope = ImageEnvelope.tryParse(message.text);
if (envelope == null || envelope.sessionId != request.sessionId) {
continue;
}
final recipientKey = message.recipientPublicKey;
if (recipientKey == null || recipientKey.isEmpty) {
continue;
}
final recipient = contactsProvider.findContactByKey(recipientKey);
if (recipient == null) {
continue;
}
final recipientKey6 = recipient.publicKey
.sublist(0, 6)
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join();
if (recipientKey6 != request.requesterKey6) {
continue;
}
debugPrint(
'📷 [AppProvider] Resolved image requester from sent message metadata '
'for session ${request.sessionId}: ${recipient.advName}',
);
return recipient;
}
return null;
}
void _scheduleVoiceMissingRetry(
String sessionId, {
required bool justComplete,
}) {
if (justComplete || voiceProvider.isComplete(sessionId)) {
_voiceMissingRetryTimers.remove(sessionId)?.cancel();
_voiceMissingRetryAttempts.remove(sessionId);
return;
}
_voiceMissingRetryAttempts[sessionId] = 0;
_voiceMissingRetryTimers[sessionId]?.cancel();
_voiceMissingRetryTimers[sessionId] = Timer(_packetRetryDelay, () {
unawaited(_requestMissingVoicePackets(sessionId));
});
}
Future<void> _requestMissingVoicePackets(String sessionId) async {
if (voiceProvider.isComplete(sessionId)) {
_voiceMissingRetryTimers.remove(sessionId)?.cancel();
_voiceMissingRetryAttempts.remove(sessionId);
return;
}
final attempt = _voiceMissingRetryAttempts[sessionId] ?? 0;
if (attempt >= _maxPacketRetryAttempts) {
debugPrint(
'⚠️ [AppProvider] Voice re-request limit reached for $sessionId',
);
_voiceMissingRetryTimers.remove(sessionId)?.cancel();
return;
}
final senderKey6 = _voiceSessionSenderKey6[sessionId];
if (senderKey6 == null) return;
final sender = _resolveContactByPrefixHex(senderKey6);
final deviceKey = connectionProvider.deviceInfo.publicKey;
if (sender == null || deviceKey == null || deviceKey.length < 6) return;
final missing = voiceProvider.missingPacketIndices(sessionId);
if (missing.isEmpty) {
_voiceMissingRetryTimers.remove(sessionId)?.cancel();
_voiceMissingRetryAttempts.remove(sessionId);
return;
}
final requesterKey6 = deviceKey
.sublist(0, 6)
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join('');
final request = VoiceFetchRequest(
sessionId: sessionId,
want: 'missing',
missingIndices: missing,
requesterKey6: requesterKey6,
timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
version: 2,
);
try {
await connectionProvider.sendRawVoicePacket(
contactPath: sender.outPath,
contactPathLen: sender.outPathLen,
payload: request.encodeBinary(),
);
} catch (_) {
return;
}
_voiceMissingRetryAttempts[sessionId] = attempt + 1;
_voiceMissingRetryTimers[sessionId]?.cancel();
_voiceMissingRetryTimers[sessionId] = Timer(_packetRetryDelay, () {
unawaited(_requestMissingVoicePackets(sessionId));
});
}
/// Insert or update a voice placeholder message for binary raw-data packets.
///
/// Binary voice packets arrive without a chat message, so we synthesise one
/// to give the user a playable bubble in the message list.
void _handleIncomingVoicePacket(
VoicePacket pkt, {
required bool justComplete,
}) {
final sessionId = pkt.sessionId;
// Check if a placeholder for this session already exists
final existing = messagesProvider.messages
.where((m) => m.isVoice && m.voiceId == sessionId)
.firstOrNull;
if (existing != null) {
// Already have a placeholder — no need to add another
return;
}
// First packet of a new session: insert placeholder message
final msgId = 'voice_$sessionId';
final placeholder = Message(
id: msgId,
messageType: MessageType.contact, // direct contact (binary only)
senderPublicKeyPrefix: null,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: DateTime.now().millisecondsSinceEpoch ~/ 1000,
// Persist the first real packet in legacy V: text form so UI/debug paths
// can reconstruct packet metadata from actual data.
text: pkt.encodeText(),
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.received,
isVoice: true,
voiceId: sessionId,
);
messagesProvider.addMessage(placeholder, contactLookup: (_) => '');
}
String _fragmentAckKey(String sessionId, int index) => '$sessionId:$index';
Future<bool> _waitForVoiceFragmentAck({
required String sessionId,
required int index,
Duration timeout = const Duration(seconds: 8),
}) => _voiceFragmentAckWaiters.waitFor(
_fragmentAckKey(sessionId, index),
timeout: timeout,
);
void _completeVoiceFragmentAck(String sessionId, int index) {
final completed = _voiceFragmentAckWaiters.complete(
_fragmentAckKey(sessionId, index),
);
if (completed == 0) {
debugPrint(
' [AppProvider] Voice fragment ACK had no waiter: $sessionId#$index',
);
return;
}
debugPrint(
'✅ [AppProvider] Voice fragment ACK received for $sessionId#$index ($completed waiter(s))',
);
}
Future<bool> _waitForImageFragmentAck({
required String sessionId,
required int index,
Duration timeout = const Duration(seconds: 8),
}) => _imageFragmentAckWaiters.waitFor(
_fragmentAckKey(sessionId, index),
timeout: timeout,
);
void _completeImageFragmentAck(String sessionId, int index) {
final completed = _imageFragmentAckWaiters.complete(
_fragmentAckKey(sessionId, index),
);
if (completed == 0) {
debugPrint(
' [AppProvider] Image fragment ACK had no waiter: $sessionId#$index',
);
return;
}
debugPrint(
'✅ [AppProvider] Image fragment ACK received for $sessionId#$index ($completed waiter(s))',
);
}
void _sendVoiceFragmentAck(VoicePacket packet) {
final senderKey6 = _voiceSessionSenderKey6[packet.sessionId];
if (senderKey6 == null) return;
final sender = _resolveContactByPrefixHex(senderKey6);
if (sender == null) return;
if (sender.outPathLen < 0 || sender.outPathLen > _maxDirectPayloadHops) {
return;
}
unawaited(
connectionProvider.sendRawVoicePacket(
contactPath: sender.outPath,
contactPathLen: sender.outPathLen,
payload: VoiceFragmentAck(
sessionId: packet.sessionId,
index: packet.index,
).encodeBinary(),
),
);
}
void _sendImageFragmentAck(ImagePacket fragment) {
final senderKey6 = _imageSessionSenderKey6[fragment.sessionId];
if (senderKey6 == null) return;
final sender = _resolveContactByPrefixHex(senderKey6);
if (sender == null) return;
if (sender.outPathLen < 0 || sender.outPathLen > _maxDirectPayloadHops) {
return;
}
unawaited(
connectionProvider.sendRawVoicePacket(
contactPath: sender.outPath,
contactPathLen: sender.outPathLen,
payload: ImageFragmentAck(
sessionId: fragment.sessionId,
index: fragment.index,
).encodeBinary(),
),
);
}
// Removed _syncMessages() - messages are automatically synced via PUSH_CODE_MSG_WAITING events
// The ConnectionProvider's onMessageWaiting callback handles automatic message fetching
/// Refresh data (contacts and channels - messages are handled via events)
Future<void> refresh() async {
if (!connectionProvider.deviceInfo.isConnected) return;
try {
// Sync contacts
await connectionProvider.getContacts();
// Sync channels (respect simple mode settings)
final channelsToSync = _isSimpleMode ? 5 : null;
await connectionProvider.syncChannels(maxChannels: channelsToSync);
// Messages are automatically synced via PUSH_CODE_MSG_WAITING events
notifyListeners();
} catch (e) {
debugPrint('Refresh error: $e');
}
}
/// Manually sync messages (only for explicit user pull-to-refresh)
/// Note: Messages are automatically synced via PUSH_CODE_MSG_WAITING events
/// This method should ONLY be called when the user explicitly pulls to refresh
Future<int> syncMessages() async {
if (!connectionProvider.deviceInfo.isConnected) return 0;
try {
debugPrint(
'🔄 [AppProvider] Manual message sync requested (user initiated)',
);
final messageCount = await connectionProvider.syncAllMessages();
debugPrint(
'✅ [AppProvider] Manual sync completed: $messageCount messages',
);
notifyListeners();
return messageCount;
} catch (e) {
debugPrint('❌ [AppProvider] Message sync error: $e');
return 0;
}
}
/// Handle connection state changes to manage location tracking
void _handleConnectionStateChange() {
final isConnected = connectionProvider.deviceInfo.isConnected;
final wasTracking = locationTrackingService.isTracking;
// Only stop tracking on disconnect - DON'T start on connect
// Location tracking will be started AFTER initialization completes
if (!isConnected && wasTracking) {
// Connection lost - stop location tracking
debugPrint(
'🔴 [AppProvider] BLE disconnected - stopping location tracking',
);
_stopLocationTracking();
}
}
/// Start location tracking
Future<void> _startLocationTracking() async {
try {
final started = await locationTrackingService.startTracking();
if (started) {
debugPrint('✅ [AppProvider] Location tracking started successfully');
} else {
debugPrint('⚠️ [AppProvider] Failed to start location tracking');
}
} catch (e) {
debugPrint('❌ [AppProvider] Error starting location tracking: $e');
}
}
/// Stop location tracking
Future<void> _stopLocationTracking() async {
try {
await locationTrackingService.stopTracking();
debugPrint('✅ [AppProvider] Location tracking stopped');
} catch (e) {
debugPrint('❌ [AppProvider] Error stopping location tracking: $e');
}
}
/// Clear all data
void clearAllData() {
contactsProvider.clearContacts();
messagesProvider.clearAll();
unawaited(voiceProvider.clearStoredVoiceData());
unawaited(imageProvider.clearAll());
for (final timer in _voiceMissingRetryTimers.values) {
timer.cancel();
}
_voiceMissingRetryTimers.clear();
_voiceMissingRetryAttempts.clear();
_voiceSessionSenderKey6.clear();
notifyListeners();
}
/// Get app statistics
Map<String, dynamic> get statistics {
return {
'connection': {
'isConnected': connectionProvider.deviceInfo.isConnected,
'deviceName': connectionProvider.deviceInfo.deviceName,
'battery': connectionProvider.deviceInfo.batteryPercent,
},
'contacts': contactsProvider.contactCounts,
'messages': messagesProvider.messageStats,
'sarMarkers': messagesProvider.sarMarkerStats,
};
}
@override
void dispose() {
_packetCaptureFlushTimer?.cancel();
unawaited(_flushPacketCaptureLogs());
// Remove connection state listener
connectionProvider.removeListener(_handleConnectionStateChange);
// Clear location service callbacks
locationTrackingService.onPositionUpdate = null;
locationTrackingService.onBroadcastSent = null;
locationTrackingService.onError = null;
locationTrackingService.onTrackingStateChanged = null;
// Dispose the location tracking service to stop GPS stream and clean up resources
locationTrackingService.dispose();
for (final timer in _voiceMissingRetryTimers.values) {
timer.cancel();
}
super.dispose();
}
}