notification overhaul

lib/services/notification_router.dart

@@ -0,0 +1,163 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:provider/provider.dart';
+import 'package:supplements/logging.dart';
+
+import '../models/supplement.dart';
+import '../providers/supplement_provider.dart';
+import '../widgets/dialogs/bulk_take_dialog.dart';
+import '../widgets/dialogs/take_supplement_dialog.dart';
+
+/// Centralizes routing from notification actions/taps to in-app UI.
+/// Handles both foreground/background taps and terminated-launch scenarios.
+class NotificationRouter {
+  NotificationRouter._internal();
+  static final NotificationRouter instance = NotificationRouter._internal();
+
+  GlobalKey<NavigatorState>? _navigatorKey;
+
+  void initialize(GlobalKey<NavigatorState> navigatorKey) {
+    _navigatorKey = navigatorKey;
+  }
+
+  Future<void> handleNotificationResponse(NotificationResponse response) async {
+    final payloadMap = _decodePayload(response.payload);
+    final actionId = response.actionId;
+    printLog('🔔 handleNotificationResponse: actionId=$actionId payload=${response.payload} map=$payloadMap');
+
+    await _routeFromPayload(payloadMap);
+  }
+
+  Future<void> handleAppLaunchDetails(NotificationAppLaunchDetails? details) async {
+    if (details == null) return;
+    if (!details.didNotificationLaunchApp) return;
+
+    final resp = details.notificationResponse;
+    final payloadMap = _decodePayload(resp?.payload);
+    printLog('🚀 App launched from notification: payload=${resp?.payload} map=$payloadMap');
+
+    await _routeFromPayload(payloadMap);
+  }
+
+  Map<String, dynamic>? _decodePayload(String? payload) {
+    if (payload == null || payload.isEmpty) return null;
+
+    // Try JSON first
+    try {
+      final map = jsonDecode(payload);
+      if (map is Map<String, dynamic>) return map;
+    } catch (_) {
+      // Ignore and try fallback
+    }
+
+    // Fallback: previous implementation used HH:mm as raw payload
+    final hhmm = RegExp(r'^\d{2}:\d{2}$');
+    if (hhmm.hasMatch(payload)) {
+      return { 'type': 'group', 'time': payload };
+    }
+
+    return null;
+  }
+
+  Future<void> _routeFromPayload(Map<String, dynamic>? payload) async {
+    if (_navigatorKey == null) {
+      printLog('⚠️ NotificationRouter not initialized with navigatorKey');
+      return;
+    }
+
+    // Wait until navigator is ready and providers have loaded
+    final ready = await _waitUntilReady(timeout: const Duration(seconds: 5));
+    if (!ready) {
+      printLog('⚠️ Timeout waiting for app to be ready for routing');
+      return;
+    }
+
+    final context = _navigatorKey!.currentContext!;
+    final provider = context.read<SupplementProvider>();
+
+    if (payload == null) {
+      printLog('⚠️ No payload to route');
+      return;
+    }
+
+    final type = payload['type'];
+    if (type == 'single') {
+      final id = payload['id'];
+      if (id is int) {
+        Supplement? s;
+        try {
+          s = provider.supplements.firstWhere((el) => el.id == id);
+        } catch (_) {
+          s = null;
+        }
+        if (s == null) {
+          // Attempt reload once
+          await provider.loadSupplements();
+          try {
+            s = provider.supplements.firstWhere((el) => el.id == id);
+          } catch (_) {
+            s = null;
+          }
+        }
+        if (s != null) {
+          // For single: use the regular dialog (with time selection)
+          // Ensure we close any existing dialog first
+          _popAnyDialog(context);
+          await showTakeSupplementDialog(context, s, hideTime: false);
+        } else {
+          printLog('⚠️ Supplement id=$id not found for single-take routing');
+          _showSnack(context, 'Supplement not found');
+        }
+      }
+    } else if (type == 'group') {
+      final timeKey = payload['time'];
+      if (timeKey is String) {
+        // Build list of supplements scheduled at this timeKey
+        final List<Supplement> list = provider.supplements.where((s) {
+          return s.isActive && s.reminderTimes.contains(timeKey);
+        }).toList();
+
+        if (list.isEmpty) {
+          printLog('⚠️ No supplements found for group time=$timeKey');
+          _showSnack(context, 'No supplements for $timeKey');
+          return;
+        }
+
+        _popAnyDialog(context);
+        await showBulkTakeDialog(context, list);
+      }
+    } else {
+      printLog('⚠️ Unknown payload type: $type');
+    }
+  }
+
+  Future<bool> _waitUntilReady({required Duration timeout}) async {
+    final start = DateTime.now();
+    while (DateTime.now().difference(start) < timeout) {
+      final ctx = _navigatorKey!.currentContext;
+      if (ctx != null) {
+        final provider = Provider.of<SupplementProvider>(ctx, listen: false);
+        if (!provider.isLoading) {
+          return true;
+        }
+      }
+      await Future.delayed(const Duration(milliseconds: 100));
+    }
+    return false;
+  }
+
+  void _popAnyDialog(BuildContext context) {
+    if (Navigator.of(context, rootNavigator: true).canPop()) {
+      Navigator.of(context, rootNavigator: true).pop();
+    }
+  }
+
+  void _showSnack(BuildContext context, String message) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text(message)),
+    );
+  }
+}