Ajout de la date de l'événement et des boutons suivant et précédents

em2rp/lib/widgets/event_details.dart

@@ -5,16 +5,27 @@ import 'package:intl/intl.dart';
 
 class EventDetails extends StatelessWidget {
   final EventModel event;
+  final DateTime? selectedDate;
+  final List<EventModel> events;
+  final void Function(EventModel, DateTime) onSelectEvent;
 
   const EventDetails({
     super.key,
     required this.event,
+    required this.selectedDate,
+    required this.events,
+    required this.onSelectEvent,
   });
 
   @override
   Widget build(BuildContext context) {
     final dateFormat = DateFormat('dd/MM/yyyy HH:mm');
     final currencyFormat = NumberFormat.currency(locale: 'fr_FR', symbol: '€');
+    final fullDateFormat = DateFormat('EEEE d MMMM y', 'fr_FR');
+    // Trie les événements par date de début
+    final sortedEvents = List<EventModel>.from(events)
+      ..sort((a, b) => a.startDateTime.compareTo(b.startDateTime));
+    final currentIndex = sortedEvents.indexWhere((e) => e.id == event.id);
 
     return Card(
       margin: const EdgeInsets.all(16),
@@ -23,6 +34,44 @@ class EventDetails extends StatelessWidget {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                IconButton(
+                  onPressed: currentIndex > 0
+                      ? () {
+                          final prevEvent = sortedEvents[currentIndex - 1];
+                          onSelectEvent(prevEvent, prevEvent.startDateTime);
+                        }
+                      : null,
+                  icon: const Icon(Icons.arrow_back),
+                  color: AppColors.rouge,
+                ),
+                if (selectedDate != null)
+                  Expanded(
+                    child: Center(
+                      child: Text(
+                        fullDateFormat.format(selectedDate!),
+                        style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                              color: AppColors.rouge,
+                              fontWeight: FontWeight.bold,
+                            ),
+                      ),
+                    ),
+                  ),
+                IconButton(
+                  onPressed: currentIndex < sortedEvents.length - 1
+                      ? () {
+                          final nextEvent = sortedEvents[currentIndex + 1];
+                          onSelectEvent(nextEvent, nextEvent.startDateTime);
+                        }
+                      : null,
+                  icon: const Icon(Icons.arrow_forward),
+                  color: AppColors.rouge,
+                ),
+              ],
+            ),
+            const SizedBox(height: 16),
             Text(
               event.name,
               style: Theme.of(context).textTheme.headlineMedium?.copyWith(