Announcements and IT Job Checklist

lib/screens/tasks/tasks_list_screen.dart

@@ -33,6 +33,7 @@ import '../../widgets/app_state_view.dart';
 import '../../utils/subject_suggestions.dart';
 import '../../widgets/gemini_button.dart';
 import '../../widgets/gemini_animated_text_field.dart';
+import 'it_job_checklist_tab.dart';
 
 // request metadata options used in task creation/editing dialogs
 const List<String> _requestTypeOptions = [
@@ -57,14 +58,16 @@ class TasksListScreen extends ConsumerStatefulWidget {
 }
 
 class _TasksListScreenState extends ConsumerState<TasksListScreen>
-    with SingleTickerProviderStateMixin {
+    with TickerProviderStateMixin {
   final TextEditingController _subjectController = TextEditingController();
   final TextEditingController _taskNumberController = TextEditingController();
   String? _selectedOfficeId;
   String? _selectedStatus;
   String? _selectedAssigneeId;
   DateTimeRange? _selectedDateRange;
-  late final TabController _tabController;
+  late TabController _tabController;
+  bool _showItJobTab = false;
+  bool _tabInited = false;
 
   @override
   void dispose() {
@@ -78,13 +81,31 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
   void initState() {
     super.initState();
     _tabController = TabController(length: 2, vsync: this);
-    // Rebuild when tab changes so filter header can show/hide the
-    // "Assigned staff" dropdown for the All Tasks tab.
     _tabController.addListener(() {
       if (mounted) setState(() {});
     });
   }
 
+  void _ensureTabController(bool shouldShowItJobTab) {
+    if (_tabInited && _showItJobTab == shouldShowItJobTab) return;
+    final oldIndex = _tabController.index;
+    _tabController.removeListener(_onTabChange);
+    _tabController.dispose();
+    _tabController = TabController(
+      length: shouldShowItJobTab ? 3 : 2,
+      vsync: this,
+      initialIndex: oldIndex.clamp(0, shouldShowItJobTab ? 2 : 1),
+    );
+    _tabController.addListener(_onTabChange);
+    _tabInited = true;
+    _showItJobTab = shouldShowItJobTab;
+    setState(() {});
+  }
+
+  void _onTabChange() {
+    if (mounted) setState(() {});
+  }
+
   bool get _hasTaskFilters {
     return _subjectController.text.trim().isNotEmpty ||
         _taskNumberController.text.trim().isNotEmpty ||
@@ -129,6 +150,13 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
               profile.role == 'it_staff'),
       orElse: () => false,
     );
+    final role = profileAsync.valueOrNull?.role ?? '';
+    final shouldShowItJobTab = role == 'admin' || role == 'dispatcher';
+    if (!_tabInited || _showItJobTab != shouldShowItJobTab) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (mounted) _ensureTabController(shouldShowItJobTab);
+      });
+    }
 
     final ticketById = <String, Ticket>{
       for (final ticket in ticketsAsync.valueOrNull ?? <Ticket>[])
@@ -521,9 +549,11 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
                         children: [
                           TabBar(
                             controller: _tabController,
-                            tabs: const [
-                              Tab(text: 'My Tasks'),
-                              Tab(text: 'All Tasks'),
+                            tabs: [
+                              const Tab(text: 'My Tasks'),
+                              const Tab(text: 'All Tasks'),
+                              if (_showItJobTab)
+                                const Tab(text: 'IT Job Checklist'),
                             ],
                           ),
                           Expanded(
@@ -552,6 +582,8 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
                                             : 'Tasks created for your team will appear here.',
                                       )
                                     : makeList(filteredTasks),
+                                if (_showItJobTab)
+                                  const ItJobChecklistTab(),
                               ],
                             ),
                           ),
@@ -564,7 +596,20 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
             ),
           ),
         ),
-        if (canCreate)
+        if (_showItJobTab && _tabController.index == 2)
+          Positioned(
+            right: 16,
+            bottom: 16,
+            child: SafeArea(
+              child: M3ExpandedFab(
+                heroTag: 'notify_all_fab',
+                onPressed: () => _notifyAllPending(ref),
+                icon: const Icon(Icons.notifications_active),
+                label: const Text('Notify All Pending'),
+              ),
+            ),
+          )
+        else if (canCreate)
           Positioned(
             right: 16,
             bottom: 16,
@@ -581,6 +626,56 @@ class _TasksListScreenState extends ConsumerState<TasksListScreen>
     );
   }
 
+  Future<void> _notifyAllPending(WidgetRef ref) async {
+    final tasks = ref.read(tasksProvider).valueOrNull ?? [];
+    final assignments = ref.read(taskAssignmentsProvider).valueOrNull ?? [];
+
+    // All completed tasks with IT Job not yet submitted
+    final pending = tasks
+        .where((t) => t.status == 'completed' && !t.itJobPrinted)
+        .toList();
+
+    if (pending.isEmpty) {
+      if (mounted) showSuccessSnackBar(context, 'No pending IT Jobs to notify');
+      return;
+    }
+
+    // One notification per unique assignee (not per task)
+    final userIds = <String>{};
+    for (final task in pending) {
+      for (final a in assignments.where((a) => a.taskId == task.id)) {
+        userIds.add(a.userId);
+      }
+    }
+
+    if (userIds.isEmpty) {
+      if (mounted) showErrorSnackBar(context, 'No assigned staff found');
+      return;
+    }
+
+    try {
+      final currentUserId = ref.read(currentUserIdProvider);
+      // Single generic notification per user — no task_id to avoid flooding
+      await ref.read(notificationsControllerProvider).createNotification(
+            userIds: userIds.toList(),
+            type: 'it_job_reminder',
+            actorId: currentUserId ?? '',
+            pushTitle: 'IT Job Reminder',
+            pushBody:
+                'You have pending IT Job submissions. Please submit your printed copies to the dispatcher.',
+            pushData: {'navigate_to': '/tasks'},
+          );
+      if (mounted) {
+        showSuccessSnackBar(
+          context,
+          'Reminder sent to ${userIds.length} staff member(s)',
+        );
+      }
+    } catch (e) {
+      if (mounted) showErrorSnackBar(context, 'Failed to send: $e');
+    }
+  }
+
   Future<void> _showCreateTaskDialog(
     BuildContext context,
     WidgetRef ref,