From 1e41c05214103c46eff78a7cbf23ae5545c4305f Mon Sep 17 00:00:00 2001
From: Sven laptop <sven@huizevanhoof.nl>
Date: Wed, 13 May 2026 17:41:25 +0200
Subject: [PATCH] Enhance schedule management; add recurring schedules screen,
 implement schedule editing functionality, and improve schedule loading and
 filtering in ScheduleMaker

---
 admin_ui/src/components/ScheduleMaker.jsx     | 134 ++++++-
 .../screens/recurring_schedules_screen.dart   | 326 ++++++++++++++++
 .../lib/screens/schedule_overview_screen.dart | 349 +++++++++---------
 transit_api/index.js                          | 216 ++++++++---
 4 files changed, 804 insertions(+), 221 deletions(-)
 create mode 100644 bus_terminal/lib/screens/recurring_schedules_screen.dart

diff --git a/admin_ui/src/components/ScheduleMaker.jsx b/admin_ui/src/components/ScheduleMaker.jsx
index 08111f5..88745a8 100644
--- a/admin_ui/src/components/ScheduleMaker.jsx
+++ b/admin_ui/src/components/ScheduleMaker.jsx
@@ -4,9 +4,22 @@ import { transitClient } from '../api'
 const WEEKDAYS = ['Ma', 'Di', 'Wo', 'Do', 'Vr', 'Za', 'Zo']
 const WEEKDAY_VALUES = [1, 2, 3, 4, 5, 6, 0] // 0=Sun, 1=Mon...
 
+const toInputDate = (value) => {
+  const date = new Date(value)
+  if (Number.isNaN(date.getTime())) return new Date().toISOString().split('T')[0]
+  return date.toISOString().split('T')[0]
+}
+
+const toInputTime = (value) => {
+  const date = new Date(value)
+  if (Number.isNaN(date.getTime())) return '08:00'
+  return `${String(date.getUTCHours()).padStart(2, '0')}:${String(date.getUTCMinutes()).padStart(2, '0')}`
+}
+
 export default function ScheduleMaker({ token, user }) {
   const client = transitClient(token)
   const [schedules, setSchedules] = useState([])
+  const [scheduleTemplates, setScheduleTemplates] = useState([])
   const [overviewSchedules, setOverviewSchedules] = useState([])
   const [busLines, setBusLines] = useState([])
   const [buses, setBuses] = useState([])
@@ -16,6 +29,7 @@ export default function ScheduleMaker({ token, user }) {
   const [isAdmin] = useState(Boolean(user?.userCode))
   const [deleteConfirm, setDeleteConfirm] = useState(null)
   const [expandedSchedule, setExpandedSchedule] = useState(null)
+  const [editingScheduleId, setEditingScheduleId] = useState(null)
   const [routeStopsByLine, setRouteStopsByLine] = useState({})
 
   // Form state
@@ -36,6 +50,15 @@ export default function ScheduleMaker({ token, user }) {
     }
   }
 
+  const loadScheduleTemplates = async () => {
+    try {
+      const res = await client.get('/admin/schedules?templates=1')
+      setScheduleTemplates((res.data.schedules || []).filter(schedule => Array.isArray(schedule.weekdays) && schedule.weekdays.length > 0))
+    } catch (err) {
+      setMessage('Error loading fixed schedules: ' + (err.response?.data?.error || err.message))
+    }
+  }
+
   const loadOverviewSchedules = async () => {
     try {
       const params = new URLSearchParams({ date: overviewDate })
@@ -79,6 +102,7 @@ export default function ScheduleMaker({ token, user }) {
 
   useEffect(() => {
     loadSchedules()
+    loadScheduleTemplates()
     loadBusLines()
     loadBuses()
     loadDrivers()
@@ -88,7 +112,28 @@ export default function ScheduleMaker({ token, user }) {
     loadOverviewSchedules()
   }, [overviewDate, selectedDriverFilter])
 
-  const createSchedule = async (e) => {
+  const resetScheduleForm = () => {
+    setEditingScheduleId(null)
+    setSelectedLine('')
+    setSelectedBus('')
+    setStartTime('08:00')
+    setDriverId('')
+    setSelectedWeekdays([])
+  }
+
+  const startEditingSchedule = (schedule) => {
+    setMessage(null)
+    setEditingScheduleId(schedule.id)
+    setSelectedLine(String(schedule.busLineId))
+    setSelectedBus(String(schedule.busId))
+    setDriverId(schedule.driverId ? String(schedule.driverId) : '')
+    setSelectedDate(toInputDate(schedule.startTime))
+    setStartTime(toInputTime(schedule.startTime))
+    setSelectedWeekdays(Array.isArray(schedule.weekdays) ? [...schedule.weekdays] : [])
+    window.scrollTo({ top: 0, behavior: 'smooth' })
+  }
+
+  const submitSchedule = async (e) => {
     e.preventDefault()
     setMessage(null)
 
@@ -100,25 +145,27 @@ export default function ScheduleMaker({ token, user }) {
     try {
       const startDateTime = `${selectedDate}T${startTime}:00`
       const normalizedWeekdays = [...selectedWeekdays].sort((a, b) => a - b)
-
-      const res = await client.post('/admin/schedules', {
+      const payload = {
         busLineId: Number(selectedLine),
         busId: Number(selectedBus),
         driverId: driverId ? Number(driverId) : null,
         startTime: startDateTime,
         weekdays: normalizedWeekdays,
-      })
+      }
+
+      const res = editingScheduleId
+        ? await client.put(`/admin/schedules/${editingScheduleId}`, payload)
+        : await client.post('/admin/schedules', payload)
 
       const dayLabels = normalizedWeekdays.length > 0
         ? normalizedWeekdays.map(d => WEEKDAYS[WEEKDAY_VALUES.indexOf(d)]).join(', ')
         : 'eenmalig'
-      setMessage(`Dienst aangemaakt: #${res.data.schedule.id} (${dayLabels})`)
-      setSelectedLine('')
-      setSelectedBus('')
-      setStartTime('08:00')
-      setDriverId('')
-      setSelectedWeekdays([])
+      setMessage(editingScheduleId
+        ? `Dienst bijgewerkt: #${res.data.schedule.id} (${dayLabels})`
+        : `Dienst aangemaakt: #${res.data.schedule.id} (${dayLabels})`)
+      resetScheduleForm()
       await loadSchedules()
+      await loadScheduleTemplates()
       await loadOverviewSchedules()
     } catch (err) {
       const errMsg = err.response?.data?.error || err.message
@@ -132,7 +179,11 @@ export default function ScheduleMaker({ token, user }) {
       await client.delete(`/admin/schedules/${scheduleId}`)
       setMessage(`Dienst verwijderd: Lijn ${lineNumber}, ${busName}`)
       setDeleteConfirm(null)
+      if (editingScheduleId === scheduleId) {
+        resetScheduleForm()
+      }
       await loadSchedules()
+      await loadScheduleTemplates()
       await loadOverviewSchedules()
     } catch (err) {
       const errMsg = err.response?.data?.error || err.message
@@ -270,7 +321,21 @@ export default function ScheduleMaker({ token, user }) {
       </div>
 
       {isAdmin && (
-        <form onSubmit={createSchedule} className="stack-form">
+        <form onSubmit={submitSchedule} className="stack-form">
+          <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: '1rem' }}>
+            <div>
+              <h3 style={{ margin: 0 }}>{editingScheduleId ? 'Vaste dienst bewerken' : 'Dienst aanmaken'}</h3>
+              <p style={{ margin: '0.25rem 0 0', color: '#666' }}>
+                {editingScheduleId ? 'Werk de bestaande dienst bij en sla de wijzigingen op.' : 'Maak een nieuwe dienst of vaste herhaling aan.'}
+              </p>
+            </div>
+            {editingScheduleId && (
+              <button type="button" className="secondary" onClick={resetScheduleForm}>
+                Bewerken annuleren
+              </button>
+            )}
+          </div>
+
           <div className="form-row">
             <select value={selectedLine} onChange={e => setSelectedLine(e.target.value)}>
               <option value="">Kies lijn</option>
@@ -339,7 +404,7 @@ export default function ScheduleMaker({ token, user }) {
           </div>
 
           <div className="form-row">
-            <button type="submit">Dienst Aanmaken</button>
+            <button type="submit">{editingScheduleId ? 'Dienst bijwerken' : 'Dienst aanmaken'}</button>
           </div>
         </form>
       )}
@@ -524,6 +589,51 @@ export default function ScheduleMaker({ token, user }) {
         </table>
       </div>
 
+      <h3 style={{ marginTop: '2rem' }}>Vaste diensten beheren</h3>
+      <p style={{ marginTop: 0, color: '#666' }}>
+        Pas bestaande vaste diensten aan of verwijder ze direct vanuit dit overzicht.
+      </p>
+      <div style={{ display: 'grid', gap: '1rem' }}>
+        {scheduleTemplates.length === 0 ? (
+          <div className="message">Nog geen vaste diensten gevonden.</div>
+        ) : (
+          scheduleTemplates
+            .slice()
+            .sort((a, b) => a.lineNumber - b.lineNumber || new Date(a.startTime) - new Date(b.startTime))
+            .map(schedule => (
+              <article key={`template-${schedule.id}`} className="schedule-card" style={{ position: 'relative' }}>
+                <div className="schedule-header">
+                  <strong>Lijn {schedule.lineNumber}</strong>
+                  <span className="schedule-time">
+                    {formatTime(schedule.startTime)} - {formatTime(schedule.endTime)}
+                  </span>
+                </div>
+                <div className="schedule-details">
+                  <div>{schedule.busName}</div>
+                  <div className="schedule-plate">{schedule.licensePlate}</div>
+                  {schedule.driverName && (
+                    <div style={{ fontSize: '0.85rem', color: '#666', marginTop: '0.25rem' }}>
+                      {schedule.driverName}
+                    </div>
+                  )}
+                  <div style={{ fontSize: '0.85rem', color: '#666', marginTop: '0.25rem' }}>
+                    {schedule.recurrenceLabel || getWeekdayLabel(schedule.weekdays)}
+                  </div>
+                </div>
+
+                <div className="form-row" style={{ marginTop: '0.75rem' }}>
+                  <button type="button" className="secondary" onClick={() => startEditingSchedule(schedule)}>
+                    Bewerken
+                  </button>
+                  <button type="button" className="danger" onClick={() => setDeleteConfirm(schedule)}>
+                    Verwijderen
+                  </button>
+                </div>
+              </article>
+            ))
+        )}
+      </div>
+
       {message && <div className="message">{message}</div>}
 
       {deleteConfirm && (
diff --git a/bus_terminal/lib/screens/recurring_schedules_screen.dart b/bus_terminal/lib/screens/recurring_schedules_screen.dart
new file mode 100644
index 0000000..c66f936
--- /dev/null
+++ b/bus_terminal/lib/screens/recurring_schedules_screen.dart
@@ -0,0 +1,326 @@
+// ignore_for_file: use_build_context_synchronously
+
+import 'package:flutter/material.dart';
+import '../models/schedule.dart' as sched;
+import '../services/schedule_service.dart';
+
+class RecurringSchedulesScreen extends StatefulWidget {
+  const RecurringSchedulesScreen({super.key});
+
+  @override
+  State<RecurringSchedulesScreen> createState() => _RecurringSchedulesScreenState();
+}
+
+class _RecurringSchedulesScreenState extends State<RecurringSchedulesScreen> {
+  final _scheduleService = ScheduleService();
+  late Future<List<sched.ServiceSchedule>> _schedulesFuture;
+  String _selectedSortBy = 'line'; // 'line', 'time', 'weekday'
+  final Set<int> _expandedLineIds = {};
+
+  @override
+  void initState() {
+    super.initState();
+    _loadRecurringSchedules();
+  }
+
+  void _loadRecurringSchedules() {
+    // Load schedules from a reference date, then filter for recurring ones
+    _schedulesFuture = _scheduleService.getSchedules(DateTime.now()).then((schedules) {
+      return schedules.where((s) => s.isRecurring).toList();
+    });
+  }
+
+  String _formatWeekdays(List<int> weekdays) {
+    const dayLabels = ['Zo', 'Ma', 'Di', 'Wo', 'Do', 'Vr', 'Za'];
+    if (weekdays.isEmpty) return 'Eenmalig';
+    if (weekdays.length == 7) return 'Dagelijks';
+
+    final sorted = weekdays.toSet().toList()..sort((a, b) => a.compareTo(b));
+    return sorted.map((d) => dayLabels[d]).join(', ');
+  }
+
+  String _formatTime(DateTime dt) {
+    return '${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
+  }
+
+  List<sched.ServiceSchedule> _sortSchedules(List<sched.ServiceSchedule> schedules) {
+    final sorted = List<sched.ServiceSchedule>.from(schedules);
+
+    switch (_selectedSortBy) {
+      case 'line':
+        sorted.sort((a, b) => a.lineNumber.compareTo(b.lineNumber));
+        break;
+      case 'time':
+        sorted.sort((a, b) => a.startTime.compareTo(b.startTime));
+        break;
+      case 'weekday':
+        sorted.sort((a, b) {
+          final aFirst = a.weekdays.isEmpty ? 7 : a.weekdays.first;
+          final bFirst = b.weekdays.isEmpty ? 7 : b.weekdays.first;
+          return aFirst.compareTo(bFirst);
+        });
+        break;
+    }
+
+    return sorted;
+  }
+
+  Map<int, List<sched.ServiceSchedule>> _groupByLine(List<sched.ServiceSchedule> schedules) {
+    final grouped = <int, List<sched.ServiceSchedule>>{};
+    for (final schedule in schedules) {
+      grouped.putIfAbsent(schedule.lineNumber, () => []).add(schedule);
+    }
+    return grouped;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Vaste Diensten'),
+        centerTitle: true,
+        actions: [
+          PopupMenuButton<String>(
+            onSelected: (value) {
+              setState(() => _selectedSortBy = value);
+            },
+            itemBuilder: (context) => [
+              PopupMenuItem(
+                value: 'line',
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Icon(Icons.sort_by_alpha, color: _selectedSortBy == 'line' ? colorScheme.primary : null),
+                    const SizedBox(width: 8),
+                    const Text('Lijn'),
+                  ],
+                ),
+              ),
+              PopupMenuItem(
+                value: 'time',
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Icon(Icons.schedule, color: _selectedSortBy == 'time' ? colorScheme.primary : null),
+                    const SizedBox(width: 8),
+                    const Text('Tijd'),
+                  ],
+                ),
+              ),
+              PopupMenuItem(
+                value: 'weekday',
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Icon(Icons.calendar_today, color: _selectedSortBy == 'weekday' ? colorScheme.primary : null),
+                    const SizedBox(width: 8),
+                    const Text('Weekdag'),
+                  ],
+                ),
+              ),
+            ],
+            child: const Padding(
+              padding: EdgeInsets.symmetric(horizontal: 16),
+              child: Icon(Icons.filter_list),
+            ),
+          ),
+        ],
+      ),
+      body: FutureBuilder<List<sched.ServiceSchedule>>(
+        future: _schedulesFuture,
+        builder: (context, snapshot) {
+          if (snapshot.connectionState == ConnectionState.waiting) {
+            return const Center(child: CircularProgressIndicator());
+          }
+
+          if (snapshot.hasError) {
+            return Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(Icons.error_outline, size: 48, color: colorScheme.error),
+                  const SizedBox(height: 16),
+                  Text(
+                    'Fout bij laden: ${snapshot.error}',
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 16),
+                  FilledButton(
+                    onPressed: () {
+                      setState(() => _loadRecurringSchedules());
+                    },
+                    child: const Text('Opnieuw proberen'),
+                  ),
+                ],
+              ),
+            );
+          }
+
+          final schedules = snapshot.data ?? [];
+
+          if (schedules.isEmpty) {
+            return Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(Icons.event_note_outlined, size: 48, color: colorScheme.outline),
+                  const SizedBox(height: 16),
+                  Text(
+                    'Geen vaste diensten gevonden',
+                    style: Theme.of(context).textTheme.titleMedium,
+                  ),
+                ],
+              ),
+            );
+          }
+
+          final sortedSchedules = _sortSchedules(schedules);
+          final groupedByLine = _groupByLine(sortedSchedules);
+
+          return ListView.builder(
+            padding: const EdgeInsets.fromLTRB(12, 12, 12, 24),
+            itemCount: groupedByLine.length,
+            itemBuilder: (context, lineIndex) {
+              final lineNumber = groupedByLine.keys.toList()[lineIndex];
+              final lineSchedules = groupedByLine[lineNumber] ?? [];
+              final isExpanded = _expandedLineIds.contains(lineNumber);
+
+              return Column(
+                children: [
+                  Card(
+                    child: InkWell(
+                      onTap: () {
+                        setState(() {
+                          if (isExpanded) {
+                            _expandedLineIds.remove(lineNumber);
+                          } else {
+                            _expandedLineIds.add(lineNumber);
+                          }
+                        });
+                      },
+                      child: Padding(
+                        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+                        child: Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                          children: [
+                            Column(
+                              crossAxisAlignment: CrossAxisAlignment.start,
+                              children: [
+                                Text(
+                                  'Lijn $lineNumber',
+                                  style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                                        fontWeight: FontWeight.bold,
+                                      ),
+                                ),
+                                const SizedBox(height: 4),
+                                Text(
+                                  '${lineSchedules.length} diensten',
+                                  style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                                        color: colorScheme.outline,
+                                      ),
+                                ),
+                              ],
+                            ),
+                            Icon(
+                              isExpanded ? Icons.expand_less : Icons.expand_more,
+                              color: colorScheme.primary,
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  ),
+                  if (isExpanded)
+                    Padding(
+                      padding: const EdgeInsets.only(top: 8),
+                      child: ListView.separated(
+                        shrinkWrap: true,
+                        physics: const NeverScrollableScrollPhysics(),
+                        itemCount: lineSchedules.length,
+                        separatorBuilder: (_, _) => const SizedBox(height: 8),
+                        itemBuilder: (context, scheduleIndex) {
+                          final schedule = lineSchedules[scheduleIndex];
+                          return _ScheduleCard(schedule: schedule, formatTime: _formatTime, formatWeekdays: _formatWeekdays);
+                        },
+                      ),
+                    ),
+                  const SizedBox(height: 8),
+                ],
+              );
+            },
+          );
+        },
+      ),
+    );
+  }
+}
+
+class _ScheduleCard extends StatelessWidget {
+  final sched.ServiceSchedule schedule;
+  final String Function(DateTime) formatTime;
+  final String Function(List<int>) formatWeekdays;
+
+  const _ScheduleCard({
+    required this.schedule,
+    required this.formatTime,
+    required this.formatWeekdays,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Card(
+      elevation: 1,
+      child: Padding(
+        padding: const EdgeInsets.all(12),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        '${formatTime(schedule.startTime)} - ${formatTime(schedule.endTime)}',
+                        style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                              fontWeight: FontWeight.w600,
+                            ),
+                      ),
+                      const SizedBox(height: 4),
+                      Text(
+                        schedule.busName,
+                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                              color: colorScheme.outline,
+                            ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 8),
+            Wrap(
+              spacing: 8,
+              runSpacing: 8,
+              children: [
+                Chip(
+                  label: Text(
+                    formatWeekdays(schedule.weekdays),
+                    style: Theme.of(context).textTheme.labelSmall,
+                  ),
+                  avatar: const Icon(Icons.calendar_today, size: 16),
+                  visualDensity: VisualDensity.compact,
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/bus_terminal/lib/screens/schedule_overview_screen.dart b/bus_terminal/lib/screens/schedule_overview_screen.dart
index 4b950d4..21d19cd 100644
--- a/bus_terminal/lib/screens/schedule_overview_screen.dart
+++ b/bus_terminal/lib/screens/schedule_overview_screen.dart
@@ -6,6 +6,7 @@ import '../models/navigation.dart';
 import '../services/auth_service.dart';
 import '../services/schedule_service.dart';
 import '../screens/navigation_screen.dart';
+import '../screens/recurring_schedules_screen.dart';
 
 class ScheduleOverviewScreen extends StatefulWidget {
   const ScheduleOverviewScreen({super.key});
@@ -14,17 +15,25 @@ class ScheduleOverviewScreen extends StatefulWidget {
   State<ScheduleOverviewScreen> createState() => _ScheduleOverviewScreenState();
 }
 
-class _ScheduleOverviewScreenState extends State<ScheduleOverviewScreen> {
+class _ScheduleOverviewScreenState extends State<ScheduleOverviewScreen> with TickerProviderStateMixin {
   final _scheduleService = ScheduleService();
   final _authService = AuthService();
 
   late Future<List<sched.ServiceSchedule>> _scheduleFuture;
   DateTime _selectedDate = DateTime.now();
+  late TabController _tabController;
 
   @override
   void initState() {
     super.initState();
     _scheduleFuture = _scheduleService.getSchedules(_selectedDate);
+    _tabController = TabController(length: 2, vsync: this);
+  }
+
+  @override
+  void dispose() {
+    _tabController.dispose();
+    super.dispose();
   }
 
   Future<void> _handleLogout() async {
@@ -117,10 +126,7 @@ class _ScheduleOverviewScreenState extends State<ScheduleOverviewScreen> {
                       onPressed: () async {
                         try {
                           await _scheduleService.updateScheduleStatus(svc.id, 'in_progress');
-
                           if (!mounted) return;
-
-                          // Close the sheet and start navigation with provided stops
                           Navigator.of(sheetContext).pop();
 
                           final routeObj = sched.Route(
@@ -210,13 +216,19 @@ class _ScheduleOverviewScreenState extends State<ScheduleOverviewScreen> {
   @override
   Widget build(BuildContext context) {
     final colorScheme = Theme.of(context).colorScheme;
-    final dateStr =
-        '${_selectedDate.year}-${_selectedDate.month.toString().padLeft(2, '0')}-${_selectedDate.day.toString().padLeft(2, '0')}';
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Today on the Road'),
+        title: const Text('Diensten'),
+        centerTitle: true,
         elevation: 0,
+        bottom: TabBar(
+          controller: _tabController,
+          tabs: const [
+            Tab(icon: Icon(Icons.calendar_today), text: 'Dagschema'),
+            Tab(icon: Icon(Icons.repeat), text: 'Vaste diensten'),
+          ],
+        ),
         actions: [
           IconButton(
             icon: const Icon(Icons.logout),
@@ -225,174 +237,179 @@ class _ScheduleOverviewScreenState extends State<ScheduleOverviewScreen> {
           ),
         ],
       ),
-      body: Container(
-        decoration: BoxDecoration(
-          gradient: LinearGradient(
-            colors: Theme.of(context).brightness == Brightness.dark
-                ? const [Color(0xFF0B1220), Color(0xFF111827)]
-                : const [Color(0xFFF1F5F9), Color(0xFFE2E8F0)],
-            begin: Alignment.topCenter,
-            end: Alignment.bottomCenter,
+      body: TabBarView(
+        controller: _tabController,
+        children: [
+          _DailyScheduleTab(
+            scheduleService: _scheduleService,
+            selectedDate: _selectedDate,
+            onSelectDate: _selectDate,
+            onRefresh: _refreshSchedules,
+            onShowDetails: _showScheduleDetails,
+            scheduleFuture: _scheduleFuture,
           ),
+          const RecurringSchedulesScreen(),
+        ],
+      ),
+    );
+  }
+}
+
+class _DailyScheduleTab extends StatelessWidget {
+  final ScheduleService scheduleService;
+  final DateTime selectedDate;
+  final VoidCallback onSelectDate;
+  final VoidCallback onRefresh;
+  final Function(sched.ServiceSchedule) onShowDetails;
+  final Future<List<sched.ServiceSchedule>> scheduleFuture;
+
+  const _DailyScheduleTab({
+    required this.scheduleService,
+    required this.selectedDate,
+    required this.onSelectDate,
+    required this.onRefresh,
+    required this.onShowDetails,
+    required this.scheduleFuture,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final dateStr =
+        '${selectedDate.year}-${selectedDate.month.toString().padLeft(2, '0')}-${selectedDate.day.toString().padLeft(2, '0')}';
+
+    return Container(
+      decoration: BoxDecoration(
+        gradient: LinearGradient(
+          colors: Theme.of(context).brightness == Brightness.dark
+              ? const [Color(0xFF0B1220), Color(0xFF111827)]
+              : const [Color(0xFFF1F5F9), Color(0xFFE2E8F0)],
+          begin: Alignment.topCenter,
+          end: Alignment.bottomCenter,
         ),
-        child: Column(
-          children: [
-            Container(
-              margin: const EdgeInsets.fromLTRB(16, 16, 16, 12),
-              padding: const EdgeInsets.all(18),
-              decoration: BoxDecoration(
-                gradient: const LinearGradient(
-                  colors: [Color(0xFF0F172A), Color(0xFF1D4ED8)],
-                  begin: Alignment.topLeft,
-                  end: Alignment.bottomRight,
-                ),
-                borderRadius: BorderRadius.circular(24),
-                boxShadow: [
-                  BoxShadow(
-                    color: Colors.black.withOpacity(0.16),
-                    blurRadius: 22,
-                    offset: const Offset(0, 10),
-                  ),
-                ],
+      ),
+      child: Column(
+        children: [
+          Container(
+            margin: const EdgeInsets.fromLTRB(16, 16, 16, 12),
+            padding: const EdgeInsets.all(18),
+            decoration: BoxDecoration(
+              gradient: const LinearGradient(
+                colors: [Color(0xFF0F172A), Color(0xFF1D4ED8)],
+                begin: Alignment.topLeft,
+                end: Alignment.bottomRight,
               ),
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Text(
-                    'Geplande diensten',
-                    style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                          color: Colors.white.withOpacity(0.78),
-                        ),
-                  ),
-                  const SizedBox(height: 6),
-                  Text(
-                    dateStr,
-                    style: Theme.of(context).textTheme.headlineMedium?.copyWith(
-                          color: Colors.white,
-                          fontWeight: FontWeight.w800,
-                        ),
-                  ),
-                  const SizedBox(height: 6),
-                  Text(
-                    'Automatisch berekende eindtijden, haltes en herhalende weekdagen',
-                    style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-                          color: Colors.white.withOpacity(0.84),
-                        ),
-                  ),
-                  const SizedBox(height: 14),
-                  Align(
-                    alignment: Alignment.centerRight,
-                    child: SizedBox(
-                      height: 48,
-                      child: OutlinedButton.icon(
-                        onPressed: _selectDate,
-                        icon: const Icon(Icons.calendar_today, size: 18),
-                        label: const Text('Wijzig datum'),
-                        style: OutlinedButton.styleFrom(
-                          foregroundColor: Colors.white,
-                          side: BorderSide(color: Colors.white.withOpacity(0.28)),
-                          padding: const EdgeInsets.symmetric(horizontal: 16),
-                        ),
+              borderRadius: BorderRadius.circular(24),
+              boxShadow: [
+                BoxShadow(
+                  color: Colors.black.withOpacity(0.16),
+                  blurRadius: 22,
+                  offset: const Offset(0, 10),
+                ),
+              ],
+            ),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  'Geplande diensten',
+                  style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                        color: Colors.white.withOpacity(0.78),
+                      ),
+                ),
+                const SizedBox(height: 6),
+                Text(
+                  dateStr,
+                  style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                        color: Colors.white,
+                        fontWeight: FontWeight.w800,
+                      ),
+                ),
+                const SizedBox(height: 6),
+                Text(
+                  'Automatisch berekende eindtijden, haltes en herhalende weekdagen',
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: Colors.white.withOpacity(0.84),
+                      ),
+                ),
+                const SizedBox(height: 14),
+                Align(
+                  alignment: Alignment.centerRight,
+                  child: SizedBox(
+                    height: 48,
+                    child: OutlinedButton.icon(
+                      onPressed: onSelectDate,
+                      icon: const Icon(Icons.calendar_today, size: 18),
+                      label: const Text('Wijzig datum'),
+                      style: OutlinedButton.styleFrom(
+                        foregroundColor: Colors.white,
+                        side: BorderSide(color: Colors.white.withOpacity(0.28)),
+                        padding: const EdgeInsets.symmetric(horizontal: 16),
                       ),
                     ),
                   ),
-                ],
-              ),
+                ),
+              ],
             ),
-            Expanded(
-                  child: FutureBuilder<List<sched.ServiceSchedule>>(
-                future: _scheduleFuture,
-                builder: (context, snapshot) {
-                  if (snapshot.connectionState == ConnectionState.waiting) {
-                    return const Center(child: CircularProgressIndicator());
-                  }
+          ),
+          Expanded(
+            child: FutureBuilder<List<sched.ServiceSchedule>>(
+              future: scheduleFuture,
+              builder: (context, snapshot) {
+                if (snapshot.connectionState == ConnectionState.waiting) {
+                  return const Center(child: CircularProgressIndicator());
+                }
 
-                  if (snapshot.hasError) {
-                    return Center(
-                      child: Padding(
-                        padding: const EdgeInsets.symmetric(horizontal: 24),
-                        child: Column(
-                          mainAxisAlignment: MainAxisAlignment.center,
-                          children: [
-                            Icon(
-                              Icons.error_outline,
-                              size: 64,
-                              color: colorScheme.error,
-                            ),
-                            const SizedBox(height: 16),
-                            Text(
-                              'Failed to load schedule',
-                              style: Theme.of(context).textTheme.titleMedium,
-                            ),
-                            const SizedBox(height: 8),
-                            Text(
-                              snapshot.error.toString(),
-                              style: Theme.of(context).textTheme.bodySmall,
-                              textAlign: TextAlign.center,
-                            ),
-                            const SizedBox(height: 24),
-                            FilledButton.icon(
-                              onPressed: _refreshSchedules,
-                              icon: const Icon(Icons.refresh),
-                              label: const Text('Retry'),
-                            ),
-                          ],
+                if (snapshot.hasError) {
+                  return Center(
+                    child: Column(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        Icon(Icons.error_outline, size: 48, color: colorScheme.error),
+                        const SizedBox(height: 16),
+                        Text('Fout bij laden: ${snapshot.error}', textAlign: TextAlign.center),
+                        const SizedBox(height: 16),
+                        FilledButton(
+                          onPressed: onRefresh,
+                          child: const Text('Opnieuw proberen'),
                         ),
-                      ),
-                    );
-                  }
-
-                  final schedules = snapshot.data ?? [];
-                  if (schedules.isEmpty) {
-                    return Center(
-                      child: Padding(
-                        padding: const EdgeInsets.symmetric(horizontal: 24),
-                        child: Column(
-                          mainAxisAlignment: MainAxisAlignment.center,
-                          children: [
-                            Icon(
-                              Icons.calendar_today,
-                              size: 64,
-                              color: colorScheme.outline,
-                            ),
-                            const SizedBox(height: 16),
-                            Text(
-                              'No routes scheduled',
-                              style: Theme.of(context).textTheme.titleMedium,
-                            ),
-                            const SizedBox(height: 8),
-                            Text(
-                              'Check back later for your schedule',
-                              style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                                    color: colorScheme.onSurfaceVariant,
-                                  ),
-                              textAlign: TextAlign.center,
-                            ),
-                          ],
-                        ),
-                      ),
-                    );
-                  }
-
-                  return RefreshIndicator(
-                    onRefresh: _refreshSchedules,
-                    child: ListView.builder(
-                      padding: const EdgeInsets.only(bottom: 16),
-                      itemCount: schedules.length,
-                      itemBuilder: (context, index) {
-                        final schedule = schedules[index];
-                        return _ScheduleSummaryCard(
-                          schedule: schedule,
-                          onTap: () => _showScheduleDetails(schedule),
-                        );
-                      },
+                      ],
                     ),
                   );
-                },
-              ),
+                }
+
+                final schedules = snapshot.data ?? [];
+                if (schedules.isEmpty) {
+                  return Center(
+                    child: Column(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        Icon(Icons.event_available_outlined, size: 48, color: colorScheme.outline),
+                        const SizedBox(height: 16),
+                        Text('Geen diensten op $dateStr', style: Theme.of(context).textTheme.titleMedium),
+                      ],
+                    ),
+                  );
+                }
+
+                return RefreshIndicator(
+                  onRefresh: () async => onRefresh(),
+                  child: ListView.builder(
+                    padding: const EdgeInsets.fromLTRB(0, 12, 0, 24),
+                    itemCount: schedules.length,
+                    itemBuilder: (context, index) {
+                      final schedule = schedules[index];
+                      return _ScheduleSummaryCard(
+                        schedule: schedule,
+                        onTap: () => onShowDetails(schedule),
+                      );
+                    },
+                  ),
+                );
+              },
             ),
-          ],
-        ),
+          ),
+        ],
       ),
     );
   }
@@ -446,7 +463,9 @@ class _ScheduleSummaryCard extends StatelessWidget {
                           ),
                     ),
                   ),
-                  _InfoChip(label: schedule.status),
+                  // Only show status for one-time schedules; recurring schedules have no fixed status
+                  if (!schedule.isRecurring)
+                    _InfoChip(label: schedule.status),
                 ],
               ),
               const SizedBox(height: 16),
@@ -523,4 +542,4 @@ String _weekdayLabel(List<int> weekdays) {
     return 'Dagelijks';
   }
   return weekdays.where((day) => day >= 0 && day < labels.length).map((day) => labels[day]).join(', ');
-}
\ No newline at end of file
+}
diff --git a/transit_api/index.js b/transit_api/index.js
index c62aea9..d79e7d6 100644
--- a/transit_api/index.js
+++ b/transit_api/index.js
@@ -240,6 +240,35 @@ function expandRecurringScheduleRows(rows) {
   return expandedRows;
 }
 
+function mapAdminScheduleRow(row, routeStopsByLine = new Map()) {
+  const weekdays = parseWeekdaysValue(row.weekdays);
+  const busLineId = Number(row.busLineId ?? row.bus_line_id);
+  const startTime = row.startTime ?? row.start_time;
+  const routeStops = routeStopsByLine.get(busLineId) || [];
+  const departureTimes = buildDepartureTimes(startTime, routeStops);
+
+  return {
+    id: Number(row.id),
+    busLineId,
+    busId: Number(row.busId ?? row.bus_id),
+    driverId: row.driverId !== null && row.driverId !== undefined ? Number(row.driverId) : null,
+    driverName: row.driverName ?? row.driver_name ?? null,
+    startTime,
+    endTime: row.endTime ?? row.end_time,
+    weekdays,
+    departureTimes,
+    status: row.status,
+    lineNumber: Number(row.lineNumber ?? row.line_number) || null,
+    busName: row.busName ?? row.bus_name ?? 'Unknown Bus',
+    licensePlate: row.licensePlate ?? row.license_plate ?? null,
+    createdAt: row.createdAt ?? row.created_at ?? null,
+    isRecurringInstance: row.is_recurring_instance || false,
+    templateId: row.template_id || row.templateId || null,
+    recurrenceLabel: formatWeekdayLabel(weekdays),
+    isRecurring: weekdays.length > 0,
+  };
+}
+
 function scheduleMatchesFilters(schedule, filters, routeStopsByLine = new Map()) {
   if (!schedule || !filters) return true;
 
@@ -614,7 +643,7 @@ async function ensureScheduleStopProgressTable() {
         AND tc.table_name = 'schedule_stop_progress'
         AND tc.constraint_type = 'UNIQUE'
       GROUP BY tc.constraint_name
-      HAVING array_agg(kcu.column_name ORDER BY kcu.ordinal_position) = ARRAY['schedule_id', 'stop_order']
+      HAVING array_agg(kcu.column_name ORDER BY kcu.ordinal_position)::text[] = ARRAY['schedule_id', 'stop_order']::text[]
       LIMIT 1;
 
       IF constraint_name IS NOT NULL THEN
@@ -1972,6 +2001,8 @@ app.get('/admin/drivers', authMiddleware, adminMiddleware, async (req, res) => {
 // ============================================
 app.get('/admin/schedules', authMiddleware, adminMiddleware, async (req, res) => {
   try {
+    const templatesOnly = String(req.query.templates || req.query.includeTemplates || '').toLowerCase() === 'true' || String(req.query.templates || req.query.includeTemplates || '') === '1';
+
     if (DEV_MOCK) {
       const routeStopsByLine = new Map();
       for (const routeStop of _mock.routeStops || []) {
@@ -1985,7 +2016,7 @@ app.get('/admin/schedules', authMiddleware, adminMiddleware, async (req, res) =>
         });
       }
 
-      const schedules = expandRecurringScheduleRows((_mock.schedules || []).map(s => {
+      const rawSchedules = (_mock.schedules || []).map(s => {
         const busLine = _mock.busLines.find(bl => bl.id === s.busLineId);
         const bus = _mock.fleetBuses.find(b => b.id === s.busId);
         return {
@@ -2001,7 +2032,9 @@ app.get('/admin/schedules', authMiddleware, adminMiddleware, async (req, res) =>
           driverId: s.driverId || null,
           estimatedDurationMinutes: busLine?.estimatedDurationMinutes || 60,
         };
-      }))
+      });
+
+      const schedules = (templatesOnly ? rawSchedules : expandRecurringScheduleRows(rawSchedules))
         .filter(row => scheduleMatchesFilters(row, parseScheduleFilters(req.query), routeStopsByLine))
         .map(s => ({
           ...s,
@@ -2080,48 +2113,13 @@ app.get('/admin/schedules', authMiddleware, adminMiddleware, async (req, res) =>
     }
 
     const filters = parseScheduleFilters(req.query);
-    const expandedSchedules = expandRecurringScheduleRows(result.rows)
+    const rowSource = templatesOnly ? result.rows : expandRecurringScheduleRows(result.rows)
+    const expandedSchedules = rowSource
       .filter(row => scheduleMatchesFilters(row, filters, routeStopsByLine));
 
-    const schedules = expandedSchedules.map(row => {
-      const weekdays = parseWeekdaysValue(row.weekdays);
-      const busLineId = Number(row.bus_line_id);
-      const lineRouteStops = routeStopsByLine.get(busLineId) || [];
-      const startDate = new Date(row.start_time);
-
-      const departureTimes = lineRouteStops.map(routeStop => {
-        const departureDate = new Date(startDate);
-        const etaMinutes = Number(routeStop.estimated_arrival_minutes) || 0;
-        departureDate.setMinutes(departureDate.getMinutes() + etaMinutes);
-
-        return {
-          order: Number(routeStop.stop_order),
-          stopId: Number(routeStop.stop_id),
-          stopName: routeStop.stop_name || 'Unknown Stop',
-          estimatedArrivalMinutes: etaMinutes,
-          departureTime: departureDate.toISOString(),
-        };
-      });
-
-      return {
-        id: Number(row.id),
-        busLineId,
-        busId: Number(row.bus_id),
-        driverId: row.driver_id !== null && row.driver_id !== undefined ? Number(row.driver_id) : null,
-        driverName: row.driver_name || null,
-        startTime: row.start_time,
-        endTime: row.end_time,
-        weekdays,
-        departureTimes,
-        status: row.status,
-        lineNumber: row.line_number,
-        busName: row.bus_name,
-        licensePlate: row.license_plate,
-        createdAt: row.created_at,
-        isRecurringInstance: row.is_recurring_instance || false,
-        templateId: row.template_id || null,
-      };
-    }).sort((a, b) => new Date(a.startTime) - new Date(b.startTime));
+    const schedules = expandedSchedules
+      .map(row => mapAdminScheduleRow(row, routeStopsByLine))
+      .sort((a, b) => new Date(a.startTime) - new Date(b.startTime));
 
     res.json({ schedules });
   } catch (err) {
@@ -2240,6 +2238,125 @@ app.post('/admin/schedules', authMiddleware, adminMiddleware, async (req, res) =
   }
 });
 
+app.put('/admin/schedules/:scheduleId', authMiddleware, adminMiddleware, async (req, res) => {
+  try {
+    const { scheduleId } = req.params;
+    const { busLineId, busId, driverId, startTime, weekdays } = req.body;
+
+    if (!scheduleId || !Number.isFinite(Number(scheduleId))) {
+      return res.status(400).json({ error: 'invalid_schedule_id' });
+    }
+
+    if (!busLineId || !busId || !startTime) {
+      return res.status(400).json({ error: 'missing_required_fields: busLineId, busId, startTime required' });
+    }
+
+    const scheduleWeekdays = Array.isArray(weekdays) && weekdays.length > 0
+      ? weekdays.map(w => Number(w)).filter(w => w >= 0 && w <= 6)
+      : [];
+
+    if (DEV_MOCK) {
+      const index = (_mock.schedules || []).findIndex(s => Number(s.id) === Number(scheduleId));
+      if (index === -1) {
+        return res.status(404).json({ error: 'schedule_not_found' });
+      }
+
+      const busLine = _mock.busLines.find(bl => bl.id == busLineId);
+      if (!busLine) {
+        return res.status(404).json({ error: 'bus_line_not_found' });
+      }
+
+      const startDate = new Date(startTime);
+      const endDate = new Date(startDate);
+      endDate.setMinutes(endDate.getMinutes() + (busLine.estimatedDurationMinutes || 60));
+
+      _mock.schedules[index] = {
+        ..._mock.schedules[index],
+        busLineId: Number(busLineId),
+        busId: Number(busId),
+        driverId: driverId ? Number(driverId) : null,
+        startTime,
+        endTime: endDate.toISOString(),
+        weekdays: scheduleWeekdays,
+      };
+
+      return res.json({ schedule: _mock.schedules[index] });
+    }
+
+    const existingResult = await db.query(`
+      SELECT id, status
+      FROM transit.schedules
+      WHERE id = $1
+    `, [scheduleId]);
+
+    if (existingResult.rows.length === 0) {
+      return res.status(404).json({ error: 'schedule_not_found' });
+    }
+
+    const busLine = await db.query('SELECT estimated_duration_minutes FROM transit.bus_lines WHERE id = $1', [busLineId]);
+    if (!busLine.rows[0]) {
+      return res.status(404).json({ error: 'bus_line_not_found' });
+    }
+
+    const startDate = new Date(startTime);
+    const endDate = new Date(startDate);
+    endDate.setMinutes(endDate.getMinutes() + (busLine.rows[0].estimated_duration_minutes || 60));
+
+    const hasWeekdaysColumn = await db.query(`
+      SELECT 1 FROM information_schema.columns
+      WHERE table_schema='transit' AND table_name='schedules' AND column_name='weekdays'
+    `);
+
+    let result;
+    if (hasWeekdaysColumn.rows.length > 0) {
+      result = await db.query(`
+        UPDATE transit.schedules
+        SET
+          bus_line_id = $2,
+          bus_id = $3,
+          driver_id = $4,
+          start_time = $5,
+          end_time = $6,
+          weekdays = $7,
+          updated_at = NOW()
+        WHERE id = $1
+        RETURNING id, bus_line_id, bus_id, driver_id, start_time, end_time, status, weekdays, created_at
+      `, [scheduleId, busLineId, busId, driverId || null, startTime, endDate.toISOString(), JSON.stringify(scheduleWeekdays)]);
+    } else {
+      result = await db.query(`
+        UPDATE transit.schedules
+        SET
+          bus_line_id = $2,
+          bus_id = $3,
+          driver_id = $4,
+          start_time = $5,
+          end_time = $6,
+          updated_at = NOW()
+        WHERE id = $1
+        RETURNING id, bus_line_id, bus_id, driver_id, start_time, end_time, status, created_at
+      `, [scheduleId, busLineId, busId, driverId || null, startTime, endDate.toISOString()]);
+    }
+
+    const schedule = result.rows[0];
+    return res.json({
+      schedule: {
+        id: Number(schedule.id),
+        busLineId: Number(schedule.bus_line_id),
+        busId: Number(schedule.bus_id),
+        driverId: schedule.driver_id !== null && schedule.driver_id !== undefined ? Number(schedule.driver_id) : null,
+        startTime: schedule.start_time,
+        endTime: schedule.end_time,
+        weekdays: parseWeekdaysValue(schedule.weekdays),
+        status: schedule.status,
+        createdAt: schedule.created_at,
+      },
+    });
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'internal_error', details: err.message });
+  }
+});
+
 app.delete('/admin/schedules/:scheduleId', authMiddleware, adminMiddleware, async (req, res) => {
   try {
     const { scheduleId } = req.params;
@@ -3191,6 +3308,17 @@ app.get('/public/schedules/:scheduleId/progress', async (req, res) => {
 });
 
 const PORT = process.env.PORT || 5001;
-app.listen(PORT, () => console.log(`Transit API listening on ${PORT}`));
+
+// Initialize database tables on startup
+(async () => {
+  try {
+    await ensureScheduleStopProgressTable();
+    console.log('✓ Database tables initialized');
+  } catch (err) {
+    console.error('⚠ Error initializing tables:', err.message);
+  }
+  
+  app.listen(PORT, () => console.log(`Transit API listening on ${PORT}`));
+})();
 
 module.exports = app;