325 lines
10 KiB
Dart
325 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../app/error_message.dart';
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import '../app/load_state.dart';
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import '../providers/providers.dart';
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import '../widgets/load_error_view.dart';
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/// Экран создания новой группы ламп.
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/// Загружает список устройств, позволяет выбрать нужные.
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class GroupEditScreen extends ConsumerStatefulWidget {
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const GroupEditScreen({super.key});
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@override
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ConsumerState<GroupEditScreen> createState() => _GroupEditScreenState();
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}
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class _GroupEditScreenState extends ConsumerState<GroupEditScreen> {
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final _idCtrl = TextEditingController();
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final _nameCtrl = TextEditingController();
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final Set<String> _selectedMacs = {};
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bool _saving = false;
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bool _rescanning = false;
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@override
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void initState() {
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super.initState();
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_loadDevices();
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}
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@override
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void dispose() {
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_idCtrl.dispose();
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_nameCtrl.dispose();
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super.dispose();
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}
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Future<void> _loadDevices() async {
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await ref.read(devicesProvider.notifier).load();
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}
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/// Пересканировать сеть и перезагрузить устройства
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Future<void> _rescan() async {
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setState(() => _rescanning = true);
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try {
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await ref.read(apiProvider).rescanNetwork();
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// Подождать немного -- сканирование асинхронное
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await Future.delayed(const Duration(seconds: 3));
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await ref.read(devicesProvider.notifier).load();
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Ошибка сканирования: ${describeLoadError(e)}'),
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),
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);
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}
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} finally {
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if (mounted) setState(() => _rescanning = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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final devicesState = ref.watch(devicesProvider);
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final devices = devicesState.data;
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return Scaffold(
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appBar: AppBar(
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title: const Text('НОВАЯ ГРУППА'),
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actions: [
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// Кнопка ресканирования сети
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IconButton(
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icon: _rescanning
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.refresh),
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tooltip: 'Пересканировать сеть',
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onPressed: _rescanning ? null : _rescan,
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),
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],
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),
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ID группы
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TextField(
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controller: _idCtrl,
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decoration: const InputDecoration(
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labelText: 'ID группы (например "bedroom")',
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prefixIcon: Icon(Icons.tag),
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),
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),
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const SizedBox(height: 12),
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// Название группы
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TextField(
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controller: _nameCtrl,
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decoration: const InputDecoration(
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labelText: 'Название (например "Спальня")',
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prefixIcon: Icon(Icons.label),
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),
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textCapitalization: TextCapitalization.sentences,
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),
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const SizedBox(height: 16),
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// Заголовок списка устройств
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Устройства (${_selectedMacs.length} выбрано)',
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: Colors.white70,
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),
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),
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TextButton(
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onPressed: devices.isEmpty
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? null
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: () {
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setState(() {
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if (_selectedMacs.length == devices.length) {
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_selectedMacs.clear();
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} else {
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for (final d in devices) {
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final mac = _extractMac(d);
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if (mac != null) _selectedMacs.add(mac);
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}
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}
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});
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},
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child: Text(
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_selectedMacs.length == devices.length
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? 'Снять все'
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: 'Выбрать все',
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style: const TextStyle(fontSize: 12),
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),
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),
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],
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),
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// Список устройств
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Expanded(child: _buildDevices(devicesState, devices)),
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// Кнопка сохранения
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Padding(
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padding: EdgeInsets.only(
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bottom: MediaQuery.of(context).padding.bottom + 8,
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),
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child: SizedBox(
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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.deepOrange,
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foregroundColor: Colors.white,
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),
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onPressed: _saving ? null : _save,
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child: _saving
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Text('СОЗДАТЬ ГРУППУ'),
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),
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),
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),
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],
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),
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),
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);
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}
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Widget _buildDevices(
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LoadState<List<dynamic>> devicesState,
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List<dynamic> devices,
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) {
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if ((devicesState.isIdle || devicesState.isLoading) && devices.isEmpty) {
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return const Center(
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child: CircularProgressIndicator(color: Colors.deepOrange),
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);
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}
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if (devicesState.hasError && devices.isEmpty) {
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return LoadErrorView(
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title: 'Не удалось загрузить устройства',
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message: devicesState.errorMessage,
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icon: Icons.lightbulb_outline,
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onRetry: _loadDevices,
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);
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}
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if (devices.isEmpty) {
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return const Center(
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child: Text(
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'Устройства не найдены.\nПопробуйте пересканировать сеть.',
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textAlign: TextAlign.center,
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style: TextStyle(color: Colors.white38),
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),
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);
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}
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final hasStatusHeader = devicesState.isLoading || devicesState.hasError;
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final statusHeaderCount = hasStatusHeader ? 1 : 0;
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return ListView.builder(
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itemCount: devices.length + statusHeaderCount,
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itemBuilder: (context, index) {
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if (hasStatusHeader && index == 0) {
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if (devicesState.isLoading) {
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return const Padding(
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padding: EdgeInsets.only(bottom: 12),
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child: LinearProgressIndicator(color: Colors.deepOrange),
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);
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}
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return LoadErrorBanner(
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title: 'Не удалось обновить устройства',
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message: devicesState.errorMessage,
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onRetry: _loadDevices,
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);
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}
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final deviceIndex = index - statusHeaderCount;
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final d = devices[deviceIndex];
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final mac = _extractMac(d) ?? '';
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final name = _extractName(d);
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final ip = _extractIp(d);
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final selected = _selectedMacs.contains(mac);
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return CheckboxListTile(
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value: selected,
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activeColor: Colors.deepOrange,
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title: Text(name),
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subtitle: Text(
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'$mac${ip != null ? ' - $ip' : ''}',
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style: const TextStyle(fontSize: 11, color: Colors.white38),
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),
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onChanged: (v) {
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setState(() {
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if (v == true) {
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_selectedMacs.add(mac);
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} else {
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_selectedMacs.remove(mac);
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}
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});
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},
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);
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},
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);
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}
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/// Извлечь MAC-адрес из объекта устройства
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String? _extractMac(dynamic device) {
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if (device is Map) {
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return (device['mac'] ?? device['id'] ?? device['mac_address'])
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?.toString();
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}
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return device?.toString();
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}
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/// Извлечь имя устройства
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String _extractName(dynamic device) {
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if (device is Map) {
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return (device['name'] ?? device['model'] ?? device['mac'] ?? 'Лампа')
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.toString();
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}
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return device?.toString() ?? 'Лампа';
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}
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/// Извлечь IP-адрес
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String? _extractIp(dynamic device) {
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if (device is Map) {
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return (device['ip'] ?? device['address'])?.toString();
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}
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return null;
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}
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Future<void> _save() async {
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final id = _idCtrl.text.trim();
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final name = _nameCtrl.text.trim();
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if (id.isEmpty || name.isEmpty) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('Укажите ID и название')));
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return;
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}
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if (_selectedMacs.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Выберите хотя бы одно устройство')),
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);
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return;
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}
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setState(() => _saving = true);
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try {
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await ref.read(apiProvider).createGroup(id, name, _selectedMacs.toList());
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// Обновить список групп
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await ref.read(groupsProvider.notifier).refresh();
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if (mounted) Navigator.of(context).pop();
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Ошибка создания: ${describeLoadError(e)}')),
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);
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}
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}
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if (mounted) setState(() => _saving = false);
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}
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}
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