Files
meshcore-sar_android/lib/screens/sensors_tab.dart
2026-03-07 20:00:32 +01:00

1062 lines
35 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart' as flutter_map;
import 'package:latlong2/latlong.dart';
import 'package:provider/provider.dart';
import '../l10n/app_localizations.dart';
import '../models/contact.dart';
import '../providers/connection_provider.dart';
import '../providers/contacts_provider.dart';
import '../providers/sensors_provider.dart';
import '../utils/location_formats.dart';
class SensorsTab extends StatelessWidget {
const SensorsTab({super.key});
Future<void> _showAddSensorSheet(BuildContext context) async {
final sensorsProvider = context.read<SensorsProvider>();
final contactsProvider = context.read<ContactsProvider>();
final candidates = sensorsProvider.availableCandidates(contactsProvider);
await showModalBottomSheet<void>(
context: context,
showDragHandle: true,
builder: (sheetContext) {
if (candidates.isEmpty) {
return const SafeArea(
child: Padding(
padding: EdgeInsets.all(24),
child: Text(
'No eligible nodes available. Discover a relay or node first.',
),
),
);
}
return SafeArea(
child: ListView(
shrinkWrap: true,
padding: const EdgeInsets.only(bottom: 20),
children: [
const ListTile(
title: Text(
'Add sensor node',
style: TextStyle(fontWeight: FontWeight.bold),
),
subtitle: Text('Pick a relay or node to watch in Sensors.'),
),
...candidates.map(
(contact) => ListTile(
contentPadding: const EdgeInsets.symmetric(
horizontal: 20,
vertical: 4,
),
leading: CircleAvatar(
radius: 24,
backgroundColor: const Color(0xFFDDEAF8),
child: Icon(
_typeIcon(contact),
color: const Color(0xFF1E4F7A),
),
),
title: Text(contact.displayName),
subtitle: _SensorCandidatePreview(contact: contact),
isThreeLine: true,
onTap: () async {
await sensorsProvider.addSensor(contact);
if (!sheetContext.mounted) return;
Navigator.of(sheetContext).pop();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
'${contact.displayName} added to Sensors',
),
),
);
},
),
),
],
),
);
},
);
}
Future<void> _showMetricSelector(
BuildContext context,
String publicKeyHex,
Contact? contact,
) async {
await showModalBottomSheet<void>(
context: context,
showDragHandle: true,
builder: (sheetContext) => Consumer<SensorsProvider>(
builder: (context, sensorsProvider, child) {
final visibleFields = sensorsProvider.visibleFieldsFor(publicKeyHex);
final options = _fieldOptionsFor(contact);
return SafeArea(
child: ListView(
shrinkWrap: true,
padding: const EdgeInsets.fromLTRB(20, 0, 20, 24),
children: [
Text(
'Visible fields',
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 8),
Text(
'Choose which values appear on sensor cards.',
style: Theme.of(context).textTheme.bodyMedium,
),
const SizedBox(height: 20),
...options.map((option) {
final visible = visibleFields.contains(option.key);
final span = sensorsProvider.fieldSpanFor(
publicKeyHex,
option.key,
);
return Padding(
padding: const EdgeInsets.only(bottom: 12),
child: Row(
children: [
Expanded(
child: FilterChip(
selected: visible,
label: Text(option.label),
onSelected: (value) {
sensorsProvider.toggleMetric(
publicKeyHex,
option.key,
value,
);
},
),
),
const SizedBox(width: 10),
SegmentedButton<int>(
segments: const [
ButtonSegment<int>(value: 1, label: Text('1x')),
ButtonSegment<int>(value: 2, label: Text('2x')),
],
selected: <int>{span},
onSelectionChanged: (selection) {
sensorsProvider.setFieldSpan(
publicKeyHex,
option.key,
selection.first,
);
},
),
],
),
);
}),
],
),
);
},
),
);
}
Future<void> _refreshAll(BuildContext context) async {
await context.read<SensorsProvider>().refreshAll(
contactsProvider: context.read<ContactsProvider>(),
connectionProvider: context.read<ConnectionProvider>(),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
floatingActionButton: FloatingActionButton(
onPressed: () => _showAddSensorSheet(context),
child: const Icon(Icons.add),
),
body: Consumer2<SensorsProvider, ContactsProvider>(
builder: (context, sensorsProvider, contactsProvider, child) {
final watchedKeys = sensorsProvider.watchedSensorKeys;
return RefreshIndicator(
onRefresh: () => _refreshAll(context),
child: ListView(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 96),
children: [
if (watchedKeys.isEmpty)
const _EmptySensorsState()
else
...watchedKeys.map((key) {
Contact? contact;
for (final entry in contactsProvider.contacts) {
if (entry.publicKeyHex == key) {
contact = entry;
break;
}
}
return _SensorCard(
contact: contact,
state: sensorsProvider.stateFor(key),
visibleFields: sensorsProvider.visibleFieldsFor(key),
fieldSpans: {
for (final field in sensorsProvider.visibleFieldsFor(
key,
))
field: sensorsProvider.fieldSpanFor(key, field),
},
onRemove: () async {
await sensorsProvider.removeSensor(key);
},
onCustomize: () =>
_showMetricSelector(context, key, contact),
);
}),
],
),
);
},
),
);
}
}
class _SensorCandidatePreview extends StatelessWidget {
final Contact contact;
const _SensorCandidatePreview({required this.contact});
@override
Widget build(BuildContext context) {
final telemetry = contact.telemetry;
final previewLines = <String>[
'${contact.type.displayName}${contact.publicKeyShort}',
if (telemetry?.batteryPercentage != null)
'Battery ${telemetry!.batteryPercentage!.toStringAsFixed(0)}% • '
'Temp ${telemetry.temperature?.toStringAsFixed(1) ?? '--'}°C',
if (telemetry?.gpsLocation != null)
'GPS ${telemetry!.gpsLocation!.latitude.toStringAsFixed(3)}, '
'${telemetry.gpsLocation!.longitude.toStringAsFixed(3)}',
];
if (previewLines.length == 1) {
previewLines.add('No telemetry preview available yet');
}
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: previewLines
.take(3)
.map(
(line) => Text(line, maxLines: 1, overflow: TextOverflow.ellipsis),
)
.toList(),
);
}
}
class _EmptySensorsState extends StatelessWidget {
const _EmptySensorsState();
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 64),
child: Column(
children: [
Container(
width: 84,
height: 84,
decoration: const BoxDecoration(
color: Color(0xFFDDEAF8),
shape: BoxShape.circle,
),
child: const Icon(
Icons.sensors_outlined,
size: 40,
color: Color(0xFF1E4F7A),
),
),
const SizedBox(height: 20),
Text(
'No sensor nodes added',
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 10),
const Padding(
padding: EdgeInsets.symmetric(horizontal: 24),
child: Text(
'Use + to add discovered relays or nodes. Pull down to refresh telemetry after adding them.',
textAlign: TextAlign.center,
),
),
],
),
);
}
}
class _SensorCard extends StatelessWidget {
final Contact? contact;
final SensorRefreshState state;
final Set<String> visibleFields;
final Map<String, int> fieldSpans;
final Future<void> Function() onRemove;
final VoidCallback onCustomize;
const _SensorCard({
required this.contact,
required this.state,
required this.visibleFields,
required this.fieldSpans,
required this.onRemove,
required this.onCustomize,
});
@override
Widget build(BuildContext context) {
final l10n = AppLocalizations.of(context)!;
final telemetry = contact?.telemetry;
final theme = Theme.of(context);
final metrics = contact == null || telemetry == null
? const <_MetricCardData>[]
: _buildMetricCards(l10n, telemetry, contact!);
return Container(
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: theme.colorScheme.surface,
borderRadius: BorderRadius.circular(28),
border: Border.all(
color: theme.colorScheme.outline.withValues(alpha: 0.14),
),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.04),
blurRadius: 18,
offset: const Offset(0, 8),
),
],
),
child: Padding(
padding: const EdgeInsets.all(12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Wrap(
spacing: 8,
runSpacing: 6,
crossAxisAlignment: WrapCrossAlignment.center,
children: [
Text(
contact?.displayName ?? 'Unavailable node',
style: theme.textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w700,
),
),
if (state == SensorRefreshState.timeout)
const _InlineAlertBadge(label: 'No response'),
],
),
if (telemetry != null) ...[
const SizedBox(height: 2),
Wrap(
spacing: 6,
runSpacing: 4,
crossAxisAlignment: WrapCrossAlignment.center,
children: [
Text(
'${_formatTelemetryDateTime(telemetry.timestamp)}${_formatTelemetryTime(telemetry.timestamp)}',
style: theme.textTheme.bodySmall?.copyWith(
color: theme.colorScheme.onSurfaceVariant,
),
),
if (state == SensorRefreshState.refreshing)
const _InlineStateMeta(
label: 'Refreshing',
color: Color(0xFF266AC2),
spinning: true,
),
if (state == SensorRefreshState.success)
const _InlineStateMeta(
label: 'Updated',
color: Color(0xFF218B63),
icon: Icons.check_circle,
),
if (state == SensorRefreshState.unavailable)
const _InlineStateMeta(
label: 'Unavailable',
color: Color(0xFFB13B55),
icon: Icons.error_outline,
),
],
),
],
],
),
),
PopupMenuButton<String>(
onSelected: (value) async {
if (value == 'remove') {
await onRemove();
} else if (value == 'customize') {
onCustomize();
}
},
itemBuilder: (context) => const [
PopupMenuItem<String>(
value: 'customize',
child: Text('Customize fields'),
),
PopupMenuItem<String>(
value: 'remove',
child: Text('Remove'),
),
],
),
],
),
const SizedBox(height: 12),
if (contact == null)
const Text(
'This node is no longer available in the contact list.',
)
else if (telemetry == null)
const Text('No telemetry received yet. Pull down to fetch it.')
else if (metrics.isEmpty)
const Text(
'All fields are hidden. Use Visible fields to choose what to show.',
)
else
LayoutBuilder(
builder: (context, constraints) {
const spacing = 8.0;
final compactWidth = (constraints.maxWidth - spacing) / 2;
return Wrap(
spacing: spacing,
runSpacing: spacing,
children: metrics
.map(
(metric) => _MetricTile(
data: metric,
width:
(fieldSpans[metric.fieldKey] == 2 ||
metric.wide)
? constraints.maxWidth
: compactWidth,
),
)
.toList(),
);
},
),
],
),
),
);
}
List<_MetricCardData> _buildMetricCards(
AppLocalizations l10n,
dynamic telemetry,
Contact contact,
) {
final items = <_MetricCardData>[];
if (visibleFields.contains('voltage') &&
telemetry.batteryMilliVolts != null) {
items.add(
_MetricCardData(
fieldKey: 'voltage',
icon: Icons.bolt,
label: l10n.voltage,
value: '${(telemetry.batteryMilliVolts! / 1000).toStringAsFixed(3)}V',
accent: const Color(0xFF0A7D61),
),
);
}
if (visibleFields.contains('battery') &&
telemetry.batteryPercentage != null) {
items.add(
_MetricCardData(
fieldKey: 'battery',
icon: Icons.battery_5_bar,
label: l10n.battery,
value: '${telemetry.batteryPercentage!.toStringAsFixed(0)}%',
accent: const Color(0xFF4B8E2F),
),
);
}
if (visibleFields.contains('temperature') &&
telemetry.temperature != null) {
items.add(
_MetricCardData(
fieldKey: 'temperature',
icon: Icons.thermostat,
label: l10n.temperature,
value: '${telemetry.temperature!.toStringAsFixed(1)}°C',
accent: const Color(0xFFC76821),
),
);
}
if (visibleFields.contains('humidity') && telemetry.humidity != null) {
items.add(
_MetricCardData(
fieldKey: 'humidity',
icon: Icons.water_drop,
label: l10n.humidity,
value: '${telemetry.humidity!.toStringAsFixed(1)}%',
accent: const Color(0xFF246BB2),
),
);
}
if (visibleFields.contains('pressure') && telemetry.pressure != null) {
items.add(
_MetricCardData(
fieldKey: 'pressure',
icon: Icons.compress,
label: l10n.pressure,
value: '${telemetry.pressure!.toStringAsFixed(1)} hPa',
accent: const Color(0xFF6B4BAE),
),
);
}
if (visibleFields.contains('gps') && telemetry.gpsLocation != null) {
items.add(
_MetricCardData(
fieldKey: 'gps',
icon: Icons.place,
label: l10n.gpsTelemetry,
value:
'${telemetry.gpsLocation!.latitude.toStringAsFixed(5)}, ${telemetry.gpsLocation!.longitude.toStringAsFixed(5)}',
accent: const Color(0xFFAA3F57),
wide: true,
mapLocation: LatLng(
telemetry.gpsLocation!.latitude,
telemetry.gpsLocation!.longitude,
),
secondaryValue: formatPlusCode(
telemetry.gpsLocation!.latitude,
telemetry.gpsLocation!.longitude,
),
),
);
}
if (telemetry.extraSensorData != null) {
for (final entry in telemetry.extraSensorData!.entries) {
final fieldKey = _extraFieldKey(entry.key);
if (!visibleFields.contains(fieldKey)) {
continue;
}
items.add(
_MetricCardData(
fieldKey: fieldKey,
icon: Icons.sensors,
label: _formatExtraFieldLabel(entry.key),
value: '${entry.value}',
accent: const Color(0xFF3E657C),
),
);
}
}
return items;
}
String _formatTelemetryTime(DateTime timestamp) {
final diff = DateTime.now().difference(timestamp);
if (diff.inMinutes < 1) return 'just now';
if (diff.inMinutes < 60) return '${diff.inMinutes}m ago';
if (diff.inHours < 24) return '${diff.inHours}h ago';
return '${diff.inDays}d ago';
}
String _formatTelemetryDateTime(DateTime timestamp) {
final local = timestamp.toLocal();
final year = local.year.toString().padLeft(4, '0');
final month = local.month.toString().padLeft(2, '0');
final day = local.day.toString().padLeft(2, '0');
final hour = local.hour.toString().padLeft(2, '0');
final minute = local.minute.toString().padLeft(2, '0');
return '$year-$month-$day $hour:$minute';
}
}
class _InlineStateMeta extends StatelessWidget {
final String label;
final Color color;
final IconData? icon;
final bool spinning;
const _InlineStateMeta({
required this.label,
required this.color,
this.icon,
this.spinning = false,
});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: color.withValues(alpha: 0.10),
borderRadius: BorderRadius.circular(999),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
if (spinning)
SizedBox(
width: 11,
height: 11,
child: CircularProgressIndicator(
strokeWidth: 1.7,
valueColor: AlwaysStoppedAnimation<Color>(color),
),
)
else if (icon != null)
Icon(icon, size: 11, color: color),
const SizedBox(width: 4),
Text(
label,
style: Theme.of(context).textTheme.labelSmall?.copyWith(
color: color,
fontWeight: FontWeight.w700,
),
),
],
),
);
}
}
class _InlineAlertBadge extends StatelessWidget {
final String label;
const _InlineAlertBadge({required this.label});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: const Color(0xFFC17B1D).withValues(alpha: 0.12),
borderRadius: BorderRadius.circular(999),
),
child: Text(
label,
style: Theme.of(context).textTheme.labelSmall?.copyWith(
color: const Color(0xFFC17B1D),
fontWeight: FontWeight.w700,
),
),
);
}
}
class _MetricTile extends StatelessWidget {
final _MetricCardData data;
final double width;
const _MetricTile({required this.data, required this.width});
Future<void> _showExpandedMap(BuildContext context) async {
final location = data.mapLocation;
if (location == null) return;
await showDialog<void>(
context: context,
builder: (dialogContext) {
return Dialog(
insetPadding: const EdgeInsets.all(16),
clipBehavior: Clip.antiAlias,
child: SizedBox(
height: 420,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 14, 8, 8),
child: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
data.label,
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 4),
Text(
data.value,
style: Theme.of(context).textTheme.bodyMedium,
),
if (data.secondaryValue != null)
Text(
data.secondaryValue!,
style: Theme.of(context).textTheme.bodySmall,
),
],
),
),
IconButton(
onPressed: () => Navigator.of(dialogContext).pop(),
icon: const Icon(Icons.close),
),
],
),
),
Expanded(
child: flutter_map.FlutterMap(
options: flutter_map.MapOptions(
initialCenter: location,
initialZoom: 15,
),
children: [
flutter_map.TileLayer(
urlTemplate:
'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
userAgentPackageName:
'com.meshcore.sar.meshcore_sar_app',
),
flutter_map.MarkerLayer(
markers: [
flutter_map.Marker(
point: location,
width: 40,
height: 40,
child: Icon(
Icons.location_on,
color: data.accent,
size: 34,
),
),
],
),
],
),
),
],
),
),
);
},
);
}
@override
Widget build(BuildContext context) {
return Container(
width: width,
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: data.accent.withValues(alpha: 0.08),
borderRadius: BorderRadius.circular(22),
border: Border.all(color: data.accent.withValues(alpha: 0.14)),
),
child: data.mapLocation == null
? Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_MetricIcon(accent: data.accent, icon: data.icon),
const SizedBox(width: 10),
Expanded(child: _MetricText(data: data)),
],
)
: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_MetricIcon(accent: data.accent, icon: data.icon),
const SizedBox(width: 10),
Expanded(child: _MetricText(data: data)),
],
),
const SizedBox(height: 10),
Material(
color: Colors.transparent,
child: InkWell(
borderRadius: BorderRadius.circular(14),
onTap: () => _showExpandedMap(context),
child: ClipRRect(
borderRadius: BorderRadius.circular(14),
child: SizedBox(
height: 104,
width: double.infinity,
child: Stack(
children: [
flutter_map.FlutterMap(
options: flutter_map.MapOptions(
initialCenter: data.mapLocation!,
initialZoom: 14,
interactionOptions:
const flutter_map.InteractionOptions(
flags: flutter_map.InteractiveFlag.none,
),
),
children: [
flutter_map.TileLayer(
urlTemplate:
'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
userAgentPackageName:
'com.meshcore.sar.meshcore_sar_app',
),
flutter_map.MarkerLayer(
markers: [
flutter_map.Marker(
point: data.mapLocation!,
width: 32,
height: 32,
child: Icon(
Icons.location_on,
color: data.accent,
size: 28,
),
),
],
),
],
),
Positioned(
right: 8,
bottom: 8,
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 6,
vertical: 3,
),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.55),
borderRadius: BorderRadius.circular(999),
),
child: const Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.open_in_full,
size: 12,
color: Colors.white,
),
SizedBox(width: 4),
Text(
'Open map',
style: TextStyle(
color: Colors.white,
fontSize: 11,
fontWeight: FontWeight.w600,
),
),
],
),
),
),
],
),
),
),
),
),
],
),
);
}
}
class _MetricIcon extends StatelessWidget {
final Color accent;
final IconData icon;
const _MetricIcon({required this.accent, required this.icon});
@override
Widget build(BuildContext context) {
return Container(
width: 32,
height: 32,
decoration: BoxDecoration(
color: accent.withValues(alpha: 0.14),
borderRadius: BorderRadius.circular(12),
),
child: Icon(icon, color: accent, size: 18),
);
}
}
class _MetricText extends StatelessWidget {
final _MetricCardData data;
const _MetricText({required this.data});
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
data.label,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.labelMedium?.copyWith(
color: data.accent,
fontWeight: FontWeight.w700,
),
),
const SizedBox(height: 4),
Text(
data.value,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w700,
height: 1.1,
),
),
if (data.secondaryValue != null) ...[
const SizedBox(height: 4),
Text(
data.secondaryValue!,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontWeight: FontWeight.w600,
),
),
],
],
);
}
}
class _MetricCardData {
final String fieldKey;
final IconData icon;
final String label;
final String value;
final String? secondaryValue;
final Color accent;
final bool wide;
final LatLng? mapLocation;
const _MetricCardData({
required this.fieldKey,
required this.icon,
required this.label,
required this.value,
this.secondaryValue,
required this.accent,
this.wide = false,
this.mapLocation,
});
}
class _FieldOption {
final String key;
final String label;
const _FieldOption({required this.key, required this.label});
}
List<_FieldOption> _fieldOptionsFor(Contact? contact) {
final telemetry = contact?.telemetry;
final options = <_FieldOption>[
if (telemetry?.batteryMilliVolts != null)
const _FieldOption(key: 'voltage', label: 'Voltage'),
if (telemetry?.batteryPercentage != null)
const _FieldOption(key: 'battery', label: 'Battery'),
if (telemetry?.temperature != null)
const _FieldOption(key: 'temperature', label: 'Temperature'),
if (telemetry?.humidity != null)
const _FieldOption(key: 'humidity', label: 'Humidity'),
if (telemetry?.pressure != null)
const _FieldOption(key: 'pressure', label: 'Pressure'),
if (telemetry?.gpsLocation != null)
const _FieldOption(key: 'gps', label: 'GPS'),
];
final extraSensorData = telemetry?.extraSensorData;
if (extraSensorData != null) {
for (final key in extraSensorData.keys) {
options.add(
_FieldOption(
key: _extraFieldKey(key),
label: _formatExtraFieldLabel(key),
),
);
}
}
return options;
}
String _extraFieldKey(String label) {
return 'extra:$label';
}
String _formatExtraFieldLabel(String rawKey) {
final knownPrefixes = <String, String>{
'altitude': 'Altitude',
'illuminance': 'Illuminance',
'presence': 'Presence',
'digital_input': 'Digital input',
'digital_output': 'Digital output',
'analog_input': 'Analog input',
'analog_output': 'Analog output',
'accelerometer': 'Accelerometer',
'gyrometer': 'Gyrometer',
};
for (final entry in knownPrefixes.entries) {
final prefix = '${entry.key}_';
if (rawKey == entry.key) {
return entry.value;
}
if (rawKey.startsWith(prefix)) {
final suffix = rawKey.substring(prefix.length);
final channel = int.tryParse(suffix);
if (channel != null) {
return '${entry.value} (ch $channel)';
}
return entry.value;
}
}
final parts = rawKey.split('_');
if (parts.isEmpty) return rawKey;
final channel = parts.length > 1 ? parts.last : null;
final base = parts.length > 1
? parts.sublist(0, parts.length - 1).join(' ')
: rawKey;
final title = base
.split(' ')
.where((part) => part.isNotEmpty)
.map((part) => '${part[0].toUpperCase()}${part.substring(1)}')
.join(' ');
if (channel != null && int.tryParse(channel) != null) {
return '$title (ch $channel)';
}
return title;
}
IconData _typeIcon(Contact contact) {
if (contact.isRepeater) {
return Icons.router;
}
if (contact.isChat) {
return Icons.sensors;
}
return Icons.device_hub;
}