Files
companion/lib/features/ble_provision/ble_provision_sheet.dart
T
2026-05-07 18:35:58 +02:00

125 lines
3.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../data/sources/ble/ble_provisioner.dart';
// Shared bottom sheet used by onboarding and the main sensor screens.
// Flow: scan → select device → enter WiFi credentials → provision → place on map.
class BleProvisionSheet extends ConsumerStatefulWidget {
const BleProvisionSheet({super.key});
@override
ConsumerState<BleProvisionSheet> createState() => _BleProvisionSheetState();
}
class _BleProvisionSheetState extends ConsumerState<BleProvisionSheet> {
final _provisioner = BleProvisioner();
final _ssidController = TextEditingController();
final _wifiPasswordController = TextEditingController();
BleScanResult? _selected;
bool _provisioning = false;
String? _error;
@override
void dispose() {
_provisioner.dispose();
_ssidController.dispose();
_wifiPasswordController.dispose();
super.dispose();
}
Future<void> _provision() async {
if (_selected == null) return;
setState(() {
_provisioning = true;
_error = null;
});
try {
await _provisioner.provision(
_selected!.deviceId,
ssid: _ssidController.text.trim(),
wifiPassword: _wifiPasswordController.text,
);
// TODO: poll localiserd until sensor appears, then prompt placement on map.
if (mounted) Navigator.of(context).pop();
} catch (e) {
setState(() => _error = e.toString());
} finally {
if (mounted) setState(() => _provisioning = false);
}
}
@override
Widget build(BuildContext context) {
return DraggableScrollableSheet(
expand: false,
initialChildSize: 0.6,
maxChildSize: 0.9,
builder: (context, scrollController) => Padding(
padding: EdgeInsets.fromLTRB(
24,
16,
24,
MediaQuery.of(context).viewInsets.bottom + 24,
),
child: ListView(
controller: scrollController,
children: [
Text('Add sensor',
style: Theme.of(context).textTheme.titleLarge),
const SizedBox(height: 16),
// Scan results
// TODO: StreamBuilder on _provisioner.scan() — show a list of
// BleScanResult tiles; tapping one sets _selected.
const Text('Nearby ESP32 devices'),
const SizedBox(height: 8),
const Placeholder(fallbackHeight: 120),
const SizedBox(height: 24),
if (_selected != null) ...[
Text('Selected: ${_selected!.name}'),
const SizedBox(height: 16),
TextField(
controller: _ssidController,
decoration: const InputDecoration(
labelText: 'WiFi SSID',
border: OutlineInputBorder(),
),
),
const SizedBox(height: 12),
TextField(
controller: _wifiPasswordController,
decoration: const InputDecoration(
labelText: 'WiFi password',
border: OutlineInputBorder(),
),
obscureText: true,
),
const SizedBox(height: 16),
],
if (_error != null)
Padding(
padding: const EdgeInsets.only(bottom: 12),
child: Text(_error!,
style: TextStyle(
color: Theme.of(context).colorScheme.error)),
),
FilledButton(
onPressed: (_selected == null || _provisioning) ? null : _provision,
child: _provisioning
? const SizedBox.square(
dimension: 20,
child: CircularProgressIndicator(strokeWidth: 2))
: const Text('Provision & add'),
),
],
),
),
);
}
}