dashboard overhaul

lib/components/pages/trips.dart

@@ -268,6 +268,7 @@ class _TripsPageState extends State<TripsPage> {
       isScrollControlled: true,
       builder: (_) {
         bool renaming = false;
+        bool deleting = false;
         String tripName = trip.name;
         return StatefulBuilder(
           builder: (sheetCtx, setSheetState) {
@@ -285,6 +286,58 @@ class _TripsPageState extends State<TripsPage> {
               }
             }
 
+            Future<void> handleDelete() async {
+              if (deleting || trip.legs.isNotEmpty) return;
+              final ok = await showDialog<bool>(
+                context: sheetCtx,
+                builder: (ctx) {
+                  return AlertDialog(
+                    title: const Text('Delete trip?'),
+                    content: Text(
+                      'This will delete "${trip.name}". This cannot be undone.',
+                    ),
+                    actions: [
+                      TextButton(
+                        onPressed: () => Navigator.of(ctx).pop(false),
+                        child: const Text('Cancel'),
+                      ),
+                      FilledButton(
+                        onPressed: () => Navigator.of(ctx).pop(true),
+                        child: const Text('Delete'),
+                      ),
+                    ],
+                  );
+                },
+              );
+              if (ok != true) return;
+
+              final data = context.read<DataService>();
+              final api = data.api;
+              final messenger = ScaffoldMessenger.maybeOf(context);
+              setSheetState(() => deleting = true);
+              try {
+                await api.delete('/trips/delete/${trip.id}');
+                await Future.wait([
+                  data.fetchTripDetails(),
+                  data.fetchTrips(),
+                ]);
+                if (context.mounted) {
+                  messenger?.showSnackBar(
+                    SnackBar(content: Text('Deleted "${trip.name}"')),
+                  );
+                  Navigator.of(sheetCtx).pop();
+                }
+              } catch (e) {
+                if (context.mounted) {
+                  messenger?.showSnackBar(
+                    SnackBar(content: Text('Failed to delete trip: $e')),
+                  );
+                }
+              } finally {
+                if (mounted) setSheetState(() => deleting = false);
+              }
+            }
+
             return SafeArea(
               child: Padding(
                 padding: const EdgeInsets.all(16.0),
@@ -317,6 +370,21 @@ class _TripsPageState extends State<TripsPage> {
                           tooltip: 'Rename trip',
                           onPressed: renaming ? null : handleRename,
                         ),
+                        if (trip.legs.isEmpty) ...[
+                          const SizedBox(width: 4),
+                          IconButton(
+                            icon: deleting
+                                ? const SizedBox(
+                                    width: 18,
+                                    height: 18,
+                                    child: CircularProgressIndicator(strokeWidth: 2),
+                                  )
+                                : const Icon(Icons.delete_outline),
+                            tooltip: 'Delete trip',
+                            onPressed: deleting ? null : handleDelete,
+                            color: Theme.of(context).colorScheme.error,
+                          ),
+                        ],
                         const SizedBox(width: 4),
                         Text('${trip.mileage.toStringAsFixed(1)} mi'),
                       ],