First commit

lib/screens/vehicles_screen.dart

@@ -0,0 +1,197 @@
+import 'package:flutter/material.dart';
+
+enum FuelType { Diesel, Gasoline95, Gasoline98, Other }
+
+class Vehicle {
+  final String name;
+  final String registrationPlate;
+  final FuelType fuelType;
+  final String? note;
+
+  Vehicle({
+    required this.name,
+    required this.registrationPlate,
+    required this.fuelType,
+    this.note,
+  });
+}
+
+class VehiclesScreen extends StatefulWidget {
+  @override
+  _VehiclesScreenState createState() => _VehiclesScreenState();
+}
+
+class _VehiclesScreenState extends State<VehiclesScreen> {
+  final List<Vehicle> _vehicles = [];
+
+  void _addVehicle() async {
+    final newVehicle = await showDialog<Vehicle>(
+      context: context,
+      builder: (context) => _AddVehicleDialog(),
+    );
+    if (newVehicle != null) {
+      setState(() {
+        _vehicles.add(newVehicle);
+      });
+    }
+  }
+
+  void _removeVehicle(int index) async {
+    final confirm = await showDialog<bool>(
+      context: context,
+      builder:
+          (context) => AlertDialog(
+            title: Text('Confirm Removal'),
+            content: Text('Are you sure you want to delete this vehicle?'),
+            actions: [
+              TextButton(
+                onPressed: () => Navigator.pop(context, false),
+                child: Text('Cancel'),
+              ),
+              TextButton(
+                onPressed: () => Navigator.pop(context, true),
+                child: Text('Delete'),
+              ),
+            ],
+          ),
+    );
+
+    if (confirm == true) {
+      setState(() {
+        _vehicles.removeAt(index);
+      });
+    }
+  }
+
+  String _fuelTypeToString(FuelType fuelType) {
+    switch (fuelType) {
+      case FuelType.Diesel:
+        return 'Diesel';
+      case FuelType.Gasoline95:
+        return 'Gasoline 95';
+      case FuelType.Gasoline98:
+        return 'Gasoline 98';
+      case FuelType.Other:
+        return 'Other';
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('Vehicles')),
+      body:
+          _vehicles.isEmpty
+              ? Center(child: Text('No vehicles added yet.'))
+              : ListView.builder(
+                itemCount: _vehicles.length,
+                itemBuilder: (context, index) {
+                  final vehicle = _vehicles[index];
+                  return ListTile(
+                    title: Text(vehicle.name),
+                    subtitle: Text(
+                      '${vehicle.registrationPlate} • ${_fuelTypeToString(vehicle.fuelType)}${vehicle.note != null ? ' • ${vehicle.note}' : ''}',
+                    ),
+                    trailing: IconButton(
+                      icon: Icon(Icons.delete, color: Colors.red),
+                      onPressed: () => _removeVehicle(index),
+                    ),
+                  );
+                },
+              ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _addVehicle,
+        child: Icon(Icons.add),
+        tooltip: 'Add Vehicle',
+      ),
+    );
+  }
+}
+
+class _AddVehicleDialog extends StatefulWidget {
+  @override
+  _AddVehicleDialogState createState() => _AddVehicleDialogState();
+}
+
+class _AddVehicleDialogState extends State<_AddVehicleDialog> {
+  final _formKey = GlobalKey<FormState>();
+  final _nameController = TextEditingController();
+  final _plateController = TextEditingController();
+  final _noteController = TextEditingController();
+  FuelType? _selectedFuelType;
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text('Add New Vehicle'),
+      content: SingleChildScrollView(
+        child: Form(
+          key: _formKey,
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              TextFormField(
+                controller: _nameController,
+                decoration: InputDecoration(labelText: 'Vehicle Name'),
+                validator:
+                    (value) =>
+                        value == null || value.isEmpty
+                            ? 'Enter a vehicle name'
+                            : null,
+              ),
+              TextFormField(
+                controller: _plateController,
+                decoration: InputDecoration(labelText: 'Registration Plate'),
+                validator:
+                    (value) =>
+                        value == null || value.isEmpty
+                            ? 'Enter a plate number'
+                            : null,
+              ),
+              DropdownButtonFormField<FuelType>(
+                decoration: InputDecoration(labelText: 'Fuel Type'),
+                value: _selectedFuelType,
+                items:
+                    FuelType.values.map((fuelType) {
+                      return DropdownMenuItem(
+                        value: fuelType,
+                        child: Text(fuelType.name),
+                      );
+                    }).toList(),
+                onChanged: (value) => setState(() => _selectedFuelType = value),
+                validator:
+                    (value) =>
+                        value == null ? 'Please select a fuel type' : null,
+              ),
+              TextFormField(
+                controller: _noteController,
+                decoration: InputDecoration(labelText: 'Note (optional)'),
+              ),
+            ],
+          ),
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.pop(context),
+          child: Text('Cancel'),
+        ),
+        ElevatedButton(
+          onPressed: () {
+            if (_formKey.currentState?.validate() ?? false) {
+              final vehicle = Vehicle(
+                name: _nameController.text,
+                registrationPlate: _plateController.text,
+                fuelType: _selectedFuelType!,
+                note:
+                    _noteController.text.isEmpty ? null : _noteController.text,
+              );
+              Navigator.pop(context, vehicle);
+            }
+          },
+          child: Text('Add'),
+        ),
+      ],
+    );
+  }
+}