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ignis_app/lib/screens/homes_screen.dart
2026-04-27 23:11:45 +07:00

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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../app/error_message.dart';
import '../models/home_config.dart';
import '../providers/providers.dart';
import '../widgets/build_info_text.dart';
import 'home_edit_screen.dart';
import 'remote_screen.dart';
/// Экран "Дома" -- список серверов Ignis.
/// Пользователь может добавить, удалить, переключить активный дом.
class HomesScreen extends ConsumerStatefulWidget {
const HomesScreen({super.key});
@override
ConsumerState<HomesScreen> createState() => _HomesScreenState();
}
class _HomesScreenState extends ConsumerState<HomesScreen> {
late final UserLocationNotifier _userLocationNotifier;
String? _switchingHomeId;
String? _deletingHomeId;
@override
void initState() {
super.initState();
_userLocationNotifier = ref.read(userLocationProvider.notifier);
Future.microtask(() => _userLocationNotifier.startWatching());
}
@override
void dispose() {
_userLocationNotifier.stopWatching();
super.dispose();
}
@override
Widget build(BuildContext context) {
final homes = ref.watch(homesProvider);
final currentHome = ref.watch(currentHomeProvider);
final location = ref.watch(userLocationProvider);
return Scaffold(
appBar: AppBar(
title: const Text('ДОМА'),
automaticallyImplyLeading: false,
),
body: Column(
children: [
Expanded(
child: homes.isEmpty
? const _EmptyHomesView()
: ListView.builder(
padding: const EdgeInsets.all(12),
itemCount: homes.length,
itemBuilder: (context, index) {
final home = homes[index];
final isActive = currentHome?.id == home.id;
final isSwitching = _switchingHomeId == home.id;
final isDeleting = _deletingHomeId == home.id;
final isBusy = isSwitching || isDeleting;
final distKm = location.distanceToKm(
home.latitude,
home.longitude,
);
return Card(
margin: const EdgeInsets.only(bottom: 8),
child: ListTile(
enabled: !isBusy,
leading: Icon(
Icons.home,
color: isActive
? Colors.deepOrange
: Colors.white38,
size: 28,
),
title: Text(
home.name,
style: TextStyle(
fontWeight: isActive
? FontWeight.bold
: FontWeight.normal,
color: isActive
? Colors.deepOrange
: Colors.white,
),
),
subtitle: _HomeSubtitle(
home: home,
location: location,
distKm: distKm,
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
if (isBusy)
const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
),
)
else ...[
IconButton(
icon: const Icon(
Icons.edit,
size: 20,
color: Colors.white38,
),
onPressed: () => _editHome(context, home),
),
IconButton(
icon: const Icon(
Icons.delete_outline,
size: 20,
color: Colors.redAccent,
),
onPressed: () => _confirmDelete(context, home),
),
],
],
),
onTap: isBusy ? null : () => _selectHome(context, home),
),
);
},
),
),
const Padding(
padding: EdgeInsets.only(bottom: 10),
child: BuildInfoText(),
),
],
),
floatingActionButton: FloatingActionButton(
backgroundColor: Colors.deepOrange,
onPressed: () => _addHome(context),
child: const Icon(Icons.add),
),
);
}
void _selectHome(BuildContext context, HomeConfig home) async {
if (_switchingHomeId != null || _deletingHomeId != null) return;
setState(() => _switchingHomeId = home.id);
final messenger = ScaffoldMessenger.of(context);
try {
await ref.read(currentHomeProvider.notifier).select(home);
if (context.mounted) {
Navigator.of(context).pushReplacement(
MaterialPageRoute(builder: (_) => const RemoteScreen()),
);
}
} catch (e) {
if (context.mounted) {
messenger.showSnackBar(
SnackBar(
content: Text(
'Не удалось выбрать дом: ${describeLoadError(e)}',
),
),
);
}
} finally {
if (mounted) {
setState(() => _switchingHomeId = null);
}
}
}
void _addHome(BuildContext context) {
Navigator.of(
context,
).push(MaterialPageRoute(builder: (_) => const HomeEditScreen()));
}
void _editHome(BuildContext context, HomeConfig home) {
Navigator.of(
context,
).push(MaterialPageRoute(builder: (_) => HomeEditScreen(home: home)));
}
void _confirmDelete(BuildContext context, HomeConfig home) {
showDialog(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Удалить дом?'),
content: Text('Удалить "${home.name}" (${home.url})?'),
actions: [
TextButton(
onPressed: () => Navigator.of(ctx).pop(),
child: const Text('Отмена'),
),
TextButton(
onPressed: () async {
Navigator.of(ctx).pop();
await _deleteHome(context, home);
},
child: const Text(
'Удалить',
style: TextStyle(color: Colors.redAccent),
),
),
],
),
);
}
Future<void> _deleteHome(BuildContext context, HomeConfig home) async {
if (_switchingHomeId != null || _deletingHomeId != null) return;
final deletedCurrentHome = ref.read(currentHomeProvider)?.id == home.id;
setState(() => _deletingHomeId = home.id);
final messenger = ScaffoldMessenger.of(context);
try {
await ref.read(homesProvider.notifier).remove(home.id);
await ref.read(currentHomeProvider.notifier).load();
if (deletedCurrentHome) {
ref.read(authInfoProvider.notifier).clear();
}
await syncGeofenceTask(ref.read(homesProvider));
} catch (e) {
if (context.mounted) {
messenger.showSnackBar(
SnackBar(
content: Text(
'Не удалось удалить дом: ${describeLoadError(e)}',
),
),
);
}
} finally {
if (mounted) {
setState(() => _deletingHomeId = null);
}
}
}
}
class _EmptyHomesView extends StatelessWidget {
const _EmptyHomesView();
@override
Widget build(BuildContext context) {
return const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.home_outlined, size: 64, color: Colors.white24),
SizedBox(height: 16),
Text(
'Нет добавленных домов',
style: TextStyle(color: Colors.white54, fontSize: 16),
),
SizedBox(height: 8),
Text(
'Добавьте сервер Ignis',
style: TextStyle(color: Colors.white38, fontSize: 14),
),
],
),
);
}
}
class _HomeSubtitle extends StatelessWidget {
final HomeConfig home;
final UserLocation location;
final double? distKm;
const _HomeSubtitle({
required this.home,
required this.location,
required this.distKm,
});
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
home.url,
style: const TextStyle(color: Colors.white38, fontSize: 12),
),
if (distKm != null)
Padding(
padding: const EdgeInsets.only(top: 2),
child: Row(
children: [
const Icon(Icons.near_me, size: 11, color: Colors.white30),
const SizedBox(width: 4),
Text(
'~${formatDistance(distKm!)}',
style: const TextStyle(color: Colors.white30, fontSize: 11),
),
],
),
)
else if (home.hasCoordinates && !location.hasPosition)
Row(
children: [
const Icon(Icons.location_on, size: 12, color: Colors.white24),
const SizedBox(width: 4),
Text(
location.error ?? 'Координаты заданы',
style: const TextStyle(color: Colors.white24, fontSize: 11),
),
],
),
],
);
}
}