init: rough companion app stub

2026-05-07 18:35:58 +02:00
commit 5f017ac05d
73 changed files with 3520 additions and 0 deletions
@@ -0,0 +1,124 @@
+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'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}