# PLANNING STRIPE - DÉVELOPPEUR FLUTTER
## App Flutter - Intégration Stripe Tap to Pay (iOS uniquement V1)
### Période : 25/08/2024 - 05/09/2024

---

## 📅 LUNDI 25/08 - Setup et architecture (8h)

### 🌅 Matin (4h)

#### ✅ Installation packages
```yaml
# pubspec.yaml
dependencies:
  stripe_terminal: ^3.2.0
  stripe_ios: ^10.0.0
  dio: ^5.4.0
  device_info_plus: ^10.1.0
  shared_preferences: ^2.2.2
  connectivity_plus: ^5.0.2
```

```bash
cd app
flutter pub get
cd ios
pod install
```

#### ✅ Configuration iOS
```xml
<!-- ios/Runner/Info.plist -->
<key>NSBluetoothAlwaysUsageDescription</key>
<string>L'app utilise Bluetooth pour Tap to Pay</string>
<key>NSBluetoothPeripheralUsageDescription</key>
<string>L'app utilise Bluetooth pour accepter les paiements</string>
<key>NSLocationWhenInUseUsageDescription</key>
<string>Localisation nécessaire pour les paiements</string>
<key>UIBackgroundModes</key>
<array>
    <string>bluetooth-central</string>
    <string>bluetooth-peripheral</string>
    <string>external-accessory</string>
</array>
```

### 🌆 Après-midi (4h)

#### ✅ Service de base StripeTerminalService
```dart
// lib/services/stripe_terminal_service.dart
import 'package:stripe_terminal/stripe_terminal.dart';

class StripeTerminalService {
  static final StripeTerminalService _instance = StripeTerminalService._internal();
  factory StripeTerminalService() => _instance;
  StripeTerminalService._internal();

  Terminal? _terminal;
  bool _isInitialized = false;

  Future<void> initialize() async {
    if (_isInitialized) return;

    _terminal = await Terminal.getInstance(
      fetchConnectionToken: _fetchConnectionToken,
    );
    
    _isInitialized = true;
  }

  Future<String> _fetchConnectionToken() async {
    final response = await ApiService().post('/terminal/connection-token');
    return response['secret'];
  }

  Future<bool> checkTapToPayCapability() async {
    if (!Platform.isIOS) return false;
    
    final deviceInfo = DeviceInfoPlugin();
    final iosInfo = await deviceInfo.iosInfo;
    
    // iPhone XS et ultérieurs
    final supportedModels = [
      'iPhone11,', // XS, XS Max
      'iPhone12,', // 11, 11 Pro
      'iPhone13,', // 12 series
      'iPhone14,', // 13 series
      'iPhone15,', // 14 series
      'iPhone16,', // 15 series
    ];
    
    final modelIdentifier = iosInfo.utsname.machine;
    final isSupported = supportedModels.any((model) => 
      modelIdentifier.startsWith(model)
    );
    
    // iOS 15.4 minimum
    final osVersion = iosInfo.systemVersion.split('.').map(int.parse).toList();
    final isOSSupported = osVersion[0] > 15 || 
      (osVersion[0] == 15 && osVersion.length > 1 && osVersion[1] >= 4);
    
    return isSupported && isOSSupported;
  }
}
```

---

## 📅 MARDI 26/08 - UI Paiement principal (8h)

### 🌅 Matin (4h)

#### ✅ Écran de vérification compatibilité
```dart
// lib/screens/payment/compatibility_check_screen.dart
class CompatibilityCheckScreen extends StatefulWidget {
  @override
  _CompatibilityCheckScreenState createState() => _CompatibilityCheckScreenState();
}

class _CompatibilityCheckScreenState extends State<CompatibilityCheckScreen> {
  bool? _isCompatible;
  String _deviceInfo = '';

  @override
  void initState() {
    super.initState();
    _checkCompatibility();
  }

  Future<void> _checkCompatibility() async {
    final service = StripeTerminalService();
    final compatible = await service.checkTapToPayCapability();
    
    final deviceInfo = DeviceInfoPlugin();
    final iosInfo = await deviceInfo.iosInfo;
    
    setState(() {
      _isCompatible = compatible;
      _deviceInfo = '${iosInfo.name} - iOS ${iosInfo.systemVersion}';
    });
    
    if (compatible) {
      await service.initialize();
      Navigator.pushReplacement(
        context, 
        MaterialPageRoute(builder: (_) => PaymentScreen())
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    if (_isCompatible == null) {
      return Scaffold(
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              CircularProgressIndicator(),
              SizedBox(height: 20),
              Text('Vérification de compatibilité...'),
            ],
          ),
        ),
      );
    }

    if (!_isCompatible!) {
      return Scaffold(
        body: Center(
          child: Padding(
            padding: EdgeInsets.all(20),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Icon(Icons.error_outline, size: 80, color: Colors.orange),
                SizedBox(height: 20),
                Text(
                  'Tap to Pay non disponible',
                  style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
                ),
                SizedBox(height: 10),
                Text(
                  'Votre appareil: $_deviceInfo',
                  style: TextStyle(color: Colors.grey),
                ),
                SizedBox(height: 20),
                Text(
                  'Tap to Pay nécessite un iPhone XS ou plus récent avec iOS 15.4+',
                  textAlign: TextAlign.center,
                  style: TextStyle(fontSize: 16),
                ),
                SizedBox(height: 30),
                ElevatedButton(
                  onPressed: () => Navigator.pop(context),
                  child: Text('Retour'),
                ),
              ],
            ),
          ),
        ),
      );
    }

    return Container(); // Ne devrait jamais arriver ici
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Écran de paiement principal
```dart
// lib/screens/payment/payment_screen.dart
class PaymentScreen extends StatefulWidget {
  final Amicale amicale;
  
  PaymentScreen({required this.amicale});
  
  @override
  _PaymentScreenState createState() => _PaymentScreenState();
}

class _PaymentScreenState extends State<PaymentScreen> {
  final _amounts = [10.0, 20.0, 30.0, 50.0]; // en euros
  double _selectedAmount = 20.0;
  bool _isProcessing = false;
  
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Paiement Calendrier'),
        backgroundColor: Colors.red.shade700,
      ),
      body: Padding(
        padding: EdgeInsets.all(20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            // Info amicale
            Card(
              child: ListTile(
                leading: Icon(Icons.group, color: Colors.red),
                title: Text(widget.amicale.name),
                subtitle: Text('Calendrier ${DateTime.now().year}'),
              ),
            ),
            
            SizedBox(height: 30),
            
            // Sélection montant
            Text(
              'Sélectionnez le montant',
              style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
            SizedBox(height: 15),
            
            Wrap(
              spacing: 10,
              runSpacing: 10,
              children: _amounts.map((amount) {
                final isSelected = _selectedAmount == amount;
                return ChoiceChip(
                  label: Text(
                    '${amount.toStringAsFixed(0)}€',
                    style: TextStyle(
                      fontSize: 18,
                      color: isSelected ? Colors.white : Colors.black,
                    ),
                  ),
                  selected: isSelected,
                  selectedColor: Colors.red.shade700,
                  onSelected: (selected) {
                    if (selected && !_isProcessing) {
                      setState(() => _selectedAmount = amount);
                    }
                  },
                );
              }).toList(),
            ),
            
            // Montant personnalisé
            SizedBox(height: 20),
            TextField(
              keyboardType: TextInputType.number,
              decoration: InputDecoration(
                labelText: 'Ou entrez un montant personnalisé',
                prefixText: '€ ',
                border: OutlineInputBorder(),
              ),
              onChanged: (value) {
                final amount = double.tryParse(value);
                if (amount != null && amount >= 1) {
                  setState(() => _selectedAmount = amount);
                }
              },
            ),
            
            Spacer(),
            
            // Bouton paiement
            ElevatedButton(
              onPressed: _isProcessing ? null : _startPayment,
              style: ElevatedButton.styleFrom(
                backgroundColor: Colors.red.shade700,
                padding: EdgeInsets.symmetric(vertical: 20),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(10),
                ),
              ),
              child: _isProcessing
                ? Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      SizedBox(
                        width: 20,
                        height: 20,
                        child: CircularProgressIndicator(
                          color: Colors.white,
                          strokeWidth: 2,
                        ),
                      ),
                      SizedBox(width: 10),
                      Text('Traitement...', style: TextStyle(fontSize: 18)),
                    ],
                  )
                : Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Icon(Icons.contactless, size: 30),
                      SizedBox(width: 10),
                      Text(
                        'Payer ${_selectedAmount.toStringAsFixed(2)}€',
                        style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
                      ),
                    ],
                  ),
            ),
            
            SizedBox(height: 10),
            
            Text(
              'Paiement sécurisé par Stripe',
              textAlign: TextAlign.center,
              style: TextStyle(color: Colors.grey, fontSize: 12),
            ),
          ],
        ),
      ),
    );
  }
  
  Future<void> _startPayment() async {
    setState(() => _isProcessing = true);
    
    try {
      // Naviguer vers l'écran Tap to Pay
      final result = await Navigator.push(
        context,
        MaterialPageRoute(
          builder: (_) => TapToPayScreen(
            amount: _selectedAmount,
            amicale: widget.amicale,
          ),
        ),
      );
      
      if (result != null && result['success']) {
        _showSuccessDialog(result['paymentIntentId']);
      }
    } catch (e) {
      _showErrorDialog(e.toString());
    } finally {
      setState(() => _isProcessing = false);
    }
  }
  
  void _showSuccessDialog(String paymentIntentId) {
    showDialog(
      context: context,
      barrierDismissible: false,
      builder: (context) => AlertDialog(
        title: Row(
          children: [
            Icon(Icons.check_circle, color: Colors.green, size: 30),
            SizedBox(width: 10),
            Text('Paiement réussi !'),
          ],
        ),
        content: Text('Le paiement a été effectué avec succès.'),
        actions: [
          TextButton(
            onPressed: () {
              Navigator.of(context).pop();
              Navigator.of(context).pop(); // Retour écran principal
            },
            child: Text('OK'),
          ),
        ],
      ),
    );
  }
  
  void _showErrorDialog(String error) {
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: Text('Erreur de paiement'),
        content: Text(error),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(),
            child: Text('Réessayer'),
          ),
        ],
      ),
    );
  }
}
```

---

## 📅 MERCREDI 27/08 - Flux Tap to Pay (8h)

### 🌅 Matin (4h)

#### ✅ Écran Tap to Pay
```dart
// lib/screens/payment/tap_to_pay_screen.dart
class TapToPayScreen extends StatefulWidget {
  final double amount;
  final Amicale amicale;
  
  TapToPayScreen({required this.amount, required this.amicale});
  
  @override
  _TapToPayScreenState createState() => _TapToPayScreenState();
}

class _TapToPayScreenState extends State<TapToPayScreen> {
  final _terminalService = StripeTerminalService();
  PaymentIntent? _paymentIntent;
  String _status = 'Initialisation...';
  bool _isProcessing = true;
  
  @override
  void initState() {
    super.initState();
    _initializePayment();
  }
  
  Future<void> _initializePayment() async {
    try {
      setState(() => _status = 'Création du paiement...');
      
      // 1. Créer PaymentIntent via API
      final response = await ApiService().post('/payments/create-intent', {
        'amount': (widget.amount * 100).round(), // en centimes
        'amicale_id': widget.amicale.id,
      });
      
      setState(() => _status = 'Connexion au lecteur...');
      
      // 2. Découvrir et connecter le lecteur Tap to Pay
      await _terminalService.discoverReaders(
        config: LocalMobileDiscoveryConfiguration(),
      );
      
      final readers = await _terminalService.getDiscoveredReaders();
      if (readers.isEmpty) {
        throw Exception('Aucun lecteur Tap to Pay disponible');
      }
      
      await _terminalService.connectToReader(readers.first);
      
      setState(() => _status = 'Prêt pour le paiement');
      
      // 3. Collecter le paiement
      _paymentIntent = await _terminalService.collectPaymentMethod(
        response['client_secret'],
      );
      
      setState(() => _status = 'Traitement du paiement...');
      
      // 4. Confirmer le paiement
      final confirmedIntent = await _terminalService.confirmPaymentIntent(
        _paymentIntent!,
      );
      
      if (confirmedIntent.status == PaymentIntentStatus.succeeded) {
        _onPaymentSuccess(confirmedIntent.id);
      } else {
        throw Exception('Paiement non confirmé');
      }
      
    } catch (e) {
      _onPaymentError(e.toString());
    }
  }
  
  void _onPaymentSuccess(String paymentIntentId) {
    Navigator.pop(context, {
      'success': true,
      'paymentIntentId': paymentIntentId,
    });
  }
  
  void _onPaymentError(String error) {
    setState(() {
      _isProcessing = false;
      _status = 'Erreur: $error';
    });
  }
  
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.grey.shade100,
      body: SafeArea(
        child: Column(
          children: [
            // Header
            Container(
              padding: EdgeInsets.all(20),
              color: Colors.white,
              child: Row(
                children: [
                  IconButton(
                    icon: Icon(Icons.close),
                    onPressed: _isProcessing ? null : () => Navigator.pop(context),
                  ),
                  Expanded(
                    child: Text(
                      'Paiement sans contact',
                      style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                      textAlign: TextAlign.center,
                    ),
                  ),
                  SizedBox(width: 48), // Pour équilibrer avec IconButton
                ],
              ),
            ),
            
            // Montant
            Container(
              margin: EdgeInsets.all(20),
              padding: EdgeInsets.all(30),
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(15),
                boxShadow: [
                  BoxShadow(
                    color: Colors.grey.shade300,
                    blurRadius: 10,
                    offset: Offset(0, 5),
                  ),
                ],
              ),
              child: Column(
                children: [
                  Text(
                    '${widget.amount.toStringAsFixed(2)} €',
                    style: TextStyle(
                      fontSize: 48,
                      fontWeight: FontWeight.bold,
                      color: Colors.red.shade700,
                    ),
                  ),
                  SizedBox(height: 10),
                  Text(
                    widget.amicale.name,
                    style: TextStyle(fontSize: 16, color: Colors.grey),
                  ),
                ],
              ),
            ),
            
            // Animation Tap to Pay
            Expanded(
              child: Center(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    if (_status.contains('Prêt'))
                      TapToPayAnimation()
                    else if (_isProcessing)
                      CircularProgressIndicator(
                        size: 80,
                        strokeWidth: 8,
                        valueColor: AlwaysStoppedAnimation(Colors.red.shade700),
                      ),
                    
                    SizedBox(height: 30),
                    
                    Text(
                      _status,
                      style: TextStyle(fontSize: 18),
                      textAlign: TextAlign.center,
                    ),
                    
                    if (_status.contains('Prêt'))
                      Padding(
                        padding: EdgeInsets.only(top: 20),
                        child: Text(
                          'Approchez la carte du dos de l\'iPhone',
                          style: TextStyle(fontSize: 16, color: Colors.grey),
                        ),
                      ),
                  ],
                ),
              ),
            ),
            
            // Footer
            if (!_isProcessing && _status.contains('Erreur'))
              Padding(
                padding: EdgeInsets.all(20),
                child: ElevatedButton(
                  onPressed: _initializePayment,
                  style: ElevatedButton.styleFrom(
                    backgroundColor: Colors.red.shade700,
                    padding: EdgeInsets.symmetric(horizontal: 40, vertical: 15),
                  ),
                  child: Text('Réessayer', style: TextStyle(fontSize: 16)),
                ),
              ),
          ],
        ),
      ),
    );
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Animation Tap to Pay
```dart
// lib/widgets/tap_to_pay_animation.dart
class TapToPayAnimation extends StatefulWidget {
  @override
  _TapToPayAnimationState createState() => _TapToPayAnimationState();
}

class _TapToPayAnimationState extends State<TapToPayAnimation>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _scaleAnimation;
  late Animation<double> _opacityAnimation;
  
  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: Duration(seconds: 2),
      vsync: this,
    )..repeat();
    
    _scaleAnimation = Tween<double>(
      begin: 0.8,
      end: 1.5,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.easeOut,
    ));
    
    _opacityAnimation = Tween<double>(
      begin: 1.0,
      end: 0.0,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.easeOut,
    ));
  }
  
  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }
  
  @override
  Widget build(BuildContext context) {
    return Container(
      width: 200,
      height: 200,
      child: Stack(
        alignment: Alignment.center,
        children: [
          // Ondes animées
          AnimatedBuilder(
            animation: _controller,
            builder: (context, child) {
              return Transform.scale(
                scale: _scaleAnimation.value,
                child: Opacity(
                  opacity: _opacityAnimation.value,
                  child: Container(
                    width: 150,
                    height: 150,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      border: Border.all(
                        color: Colors.red.shade700,
                        width: 3,
                      ),
                    ),
                  ),
                ),
              );
            },
          ),
          
          // Icône centrale
          Container(
            width: 100,
            height: 100,
            decoration: BoxDecoration(
              color: Colors.red.shade700,
              shape: BoxShape.circle,
            ),
            child: Icon(
              Icons.contactless,
              size: 60,
              color: Colors.white,
            ),
          ),
        ],
      ),
    );
  }
}
```

---

## 📅 JEUDI 28/08 - Gestion offline et sync (8h)

### 🌅 Matin (4h)

#### ✅ Service de queue offline
```dart
// lib/services/offline_queue_service.dart
class OfflineQueueService {
  static const String _queueKey = 'offline_payment_queue';
  
  Future<void> addToQueue(PaymentData payment) async {
    final prefs = await SharedPreferences.getInstance();
    final queueJson = prefs.getString(_queueKey) ?? '[]';
    final queue = List<Map<String, dynamic>>.from(json.decode(queueJson));
    
    queue.add({
      'local_id': DateTime.now().millisecondsSinceEpoch.toString(),
      'amount': payment.amount,
      'amicale_id': payment.amicaleId,
      'pompier_id': payment.pompierId,
      'created_at': DateTime.now().toIso8601String(),
      'payment_method': 'card',
      'status': 'pending_sync',
    });
    
    await prefs.setString(_queueKey, json.encode(queue));
  }
  
  Future<List<Map<String, dynamic>>> getQueue() async {
    final prefs = await SharedPreferences.getInstance();
    final queueJson = prefs.getString(_queueKey) ?? '[]';
    return List<Map<String, dynamic>>.from(json.decode(queueJson));
  }
  
  Future<void> syncQueue() async {
    final queue = await getQueue();
    if (queue.isEmpty) return;
    
    final connectivity = await Connectivity().checkConnectivity();
    if (connectivity == ConnectivityResult.none) return;
    
    try {
      final response = await ApiService().post('/payments/batch-sync', {
        'transactions': queue,
      });
      
      // Clear queue after successful sync
      final prefs = await SharedPreferences.getInstance();
      await prefs.setString(_queueKey, '[]');
      
    } catch (e) {
      print('Sync failed: $e');
    }
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Moniteur de connectivité
```dart
// lib/services/connectivity_monitor.dart
class ConnectivityMonitor {
  final _connectivity = Connectivity();
  StreamSubscription<ConnectivityResult>? _subscription;
  final _offlineQueue = OfflineQueueService();
  
  void startMonitoring() {
    _subscription = _connectivity.onConnectivityChanged.listen((result) {
      if (result != ConnectivityResult.none) {
        // Back online, try to sync
        _offlineQueue.syncQueue();
      }
    });
  }
  
  void stopMonitoring() {
    _subscription?.cancel();
  }
  
  Future<bool> isOnline() async {
    final result = await _connectivity.checkConnectivity();
    return result != ConnectivityResult.none;
  }
}
```

---

## 📅 VENDREDI 29/08 - Écran récap et reçu (8h)

### 🌅 Matin (4h)

#### ✅ Écran de récapitulatif post-paiement
```dart
// lib/screens/payment/payment_receipt_screen.dart
class PaymentReceiptScreen extends StatelessWidget {
  final String paymentIntentId;
  final double amount;
  final Amicale amicale;
  
  PaymentReceiptScreen({
    required this.paymentIntentId,
    required this.amount,
    required this.amicale,
  });
  
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.green.shade50,
      appBar: AppBar(
        title: Text('Paiement confirmé'),
        backgroundColor: Colors.green.shade700,
        automaticallyImplyLeading: false,
      ),
      body: SafeArea(
        child: Padding(
          padding: EdgeInsets.all(20),
          child: Column(
            children: [
              // Success icon
              Container(
                padding: EdgeInsets.all(20),
                decoration: BoxDecoration(
                  color: Colors.white,
                  shape: BoxShape.circle,
                ),
                child: Icon(
                  Icons.check_circle,
                  size: 80,
                  color: Colors.green.shade700,
                ),
              ),
              
              SizedBox(height: 30),
              
              Text(
                'Merci pour votre soutien !',
                style: TextStyle(
                  fontSize: 24,
                  fontWeight: FontWeight.bold,
                ),
              ),
              
              SizedBox(height: 20),
              
              // Détails de la transaction
              Container(
                padding: EdgeInsets.all(20),
                decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.circular(15),
                  boxShadow: [
                    BoxShadow(
                      color: Colors.grey.shade200,
                      blurRadius: 10,
                      offset: Offset(0, 5),
                    ),
                  ],
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    _buildReceiptRow('Montant', '${amount.toStringAsFixed(2)} €'),
                    Divider(),
                    _buildReceiptRow('Amicale', amicale.name),
                    Divider(),
                    _buildReceiptRow('Date', DateFormat('dd/MM/yyyy HH:mm').format(DateTime.now())),
                    Divider(),
                    _buildReceiptRow('Référence', paymentIntentId.substring(0, 10).toUpperCase()),
                  ],
                ),
              ),
              
              SizedBox(height: 30),
              
              // Options de reçu
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: [
                  OutlinedButton.icon(
                    onPressed: () => _sendReceiptByEmail(context),
                    icon: Icon(Icons.email),
                    label: Text('Email'),
                    style: OutlinedButton.styleFrom(
                      padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
                    ),
                  ),
                  OutlinedButton.icon(
                    onPressed: () => _sendReceiptBySMS(context),
                    icon: Icon(Icons.sms),
                    label: Text('SMS'),
                    style: OutlinedButton.styleFrom(
                      padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
                    ),
                  ),
                ],
              ),
              
              Spacer(),
              
              // Bouton terminer
              ElevatedButton(
                onPressed: () {
                  Navigator.of(context).popUntil((route) => route.isFirst);
                },
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.green.shade700,
                  padding: EdgeInsets.symmetric(horizontal: 50, vertical: 15),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(10),
                  ),
                ),
                child: Text(
                  'Terminer',
                  style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
  
  Widget _buildReceiptRow(String label, String value) {
    return Padding(
      padding: EdgeInsets.symmetric(vertical: 8),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(label, style: TextStyle(color: Colors.grey)),
          Text(value, style: TextStyle(fontWeight: FontWeight.bold)),
        ],
      ),
    );
  }
  
  Future<void> _sendReceiptByEmail(BuildContext context) async {
    // Implémenter l'envoi par email via API
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text('Reçu envoyé par email')),
    );
  }
  
  Future<void> _sendReceiptBySMS(BuildContext context) async {
    // Implémenter l'envoi par SMS via API
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text('Reçu envoyé par SMS')),
    );
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Dashboard pompier
```dart
// lib/screens/dashboard/pompier_dashboard_screen.dart
class PompierDashboardScreen extends StatefulWidget {
  @override
  _PompierDashboardScreenState createState() => _PompierDashboardScreenState();
}

class _PompierDashboardScreenState extends State<PompierDashboardScreen> {
  Map<String, dynamic>? _stats;
  bool _isLoading = true;
  
  @override
  void initState() {
    super.initState();
    _loadStats();
  }
  
  Future<void> _loadStats() async {
    try {
      final response = await ApiService().get('/pompiers/me/stats');
      setState(() {
        _stats = response;
        _isLoading = false;
      });
    } catch (e) {
      setState(() => _isLoading = false);
    }
  }
  
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Mes ventes'),
        backgroundColor: Colors.red.shade700,
      ),
      body: _isLoading
        ? Center(child: CircularProgressIndicator())
        : RefreshIndicator(
            onRefresh: _loadStats,
            child: ListView(
              padding: EdgeInsets.all(20),
              children: [
                // Stats du jour
                _buildStatCard(
                  'Aujourd\'hui',
                  _stats?['today_count'] ?? 0,
                  _stats?['today_amount'] ?? 0,
                  Colors.blue,
                ),
                
                SizedBox(height: 15),
                
                // Stats de la semaine
                _buildStatCard(
                  'Cette semaine',
                  _stats?['week_count'] ?? 0,
                  _stats?['week_amount'] ?? 0,
                  Colors.orange,
                ),
                
                SizedBox(height: 15),
                
                // Stats totales
                _buildStatCard(
                  'Total',
                  _stats?['total_count'] ?? 0,
                  _stats?['total_amount'] ?? 0,
                  Colors.green,
                ),
                
                SizedBox(height: 30),
                
                // Dernières transactions
                Text(
                  'Dernières ventes',
                  style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
                ),
                
                SizedBox(height: 10),
                
                ...(_stats?['recent_transactions'] ?? []).map((transaction) {
                  return Card(
                    child: ListTile(
                      leading: Icon(Icons.check_circle, color: Colors.green),
                      title: Text('${(transaction['amount'] / 100).toStringAsFixed(2)} €'),
                      subtitle: Text(DateFormat('dd/MM HH:mm').format(
                        DateTime.parse(transaction['created_at'])
                      )),
                      trailing: Icon(Icons.arrow_forward_ios, size: 16),
                    ),
                  );
                }).toList(),
              ],
            ),
          ),
      floatingActionButton: FloatingActionButton.extended(
        onPressed: () {
          Navigator.push(
            context,
            MaterialPageRoute(builder: (_) => CompatibilityCheckScreen()),
          );
        },
        backgroundColor: Colors.red.shade700,
        icon: Icon(Icons.contactless),
        label: Text('Nouveau paiement'),
      ),
    );
  }
  
  Widget _buildStatCard(String title, int count, int amount, Color color) {
    return Container(
      padding: EdgeInsets.all(20),
      decoration: BoxDecoration(
        gradient: LinearGradient(
          colors: [color.withOpacity(0.8), color],
          begin: Alignment.topLeft,
          end: Alignment.bottomRight,
        ),
        borderRadius: BorderRadius.circular(15),
        boxShadow: [
          BoxShadow(
            color: color.withOpacity(0.3),
            blurRadius: 10,
            offset: Offset(0, 5),
          ),
        ],
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                title,
                style: TextStyle(color: Colors.white, fontSize: 16),
              ),
              SizedBox(height: 5),
              Text(
                '$count ventes',
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 24,
                  fontWeight: FontWeight.bold,
                ),
              ),
            ],
          ),
          Text(
            '${(amount / 100).toStringAsFixed(2)} €',
            style: TextStyle(
              color: Colors.white,
              fontSize: 28,
              fontWeight: FontWeight.bold,
            ),
          ),
        ],
      ),
    );
  }
}
```

---

## 📅 LUNDI 01/09 - Intégration avec login (8h)

### 🌅 Matin (4h)

#### ✅ Vérification statut Stripe au login
```dart
// lib/screens/auth/login_screen.dart
class LoginScreen extends StatefulWidget {
  @override
  _LoginScreenState createState() => _LoginScreenState();
}

class _LoginScreenState extends State<LoginScreen> {
  final _emailController = TextEditingController();
  final _passwordController = TextEditingController();
  bool _isLoading = false;
  
  Future<void> _login() async {
    setState(() => _isLoading = true);
    
    try {
      // 1. Authentification
      final authResponse = await ApiService().post('/auth/login', {
        'email': _emailController.text,
        'password': _passwordController.text,
      });
      
      // 2. Stocker token
      final prefs = await SharedPreferences.getInstance();
      await prefs.setString('auth_token', authResponse['token']);
      await prefs.setString('user_id', authResponse['user']['id'].toString());
      
      // 3. Vérifier statut Stripe de l'amicale
      final amicaleResponse = await ApiService().get(
        '/amicales/${authResponse['user']['amicale_id']}/stripe-status'
      );
      
      if (!amicaleResponse['charges_enabled']) {
        // Amicale pas encore configurée pour Stripe
        Navigator.pushReplacement(
          context,
          MaterialPageRoute(builder: (_) => StripeSetupPendingScreen()),
        );
      } else {
        // Tout est OK, aller au dashboard
        Navigator.pushReplacement(
          context,
          MaterialPageRoute(builder: (_) => PompierDashboardScreen()),
        );
      }
      
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Erreur de connexion: ${e.toString()}')),
      );
    } finally {
      setState(() => _isLoading = false);
    }
  }
  
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Padding(
          padding: EdgeInsets.all(20),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              // Logo
              Image.asset('assets/logo_pompiers.png', height: 100),
              
              SizedBox(height: 40),
              
              Text(
                'Calendriers des Pompiers',
                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
              ),
              
              SizedBox(height: 40),
              
              // Email field
              TextField(
                controller: _emailController,
                decoration: InputDecoration(
                  labelText: 'Email',
                  prefixIcon: Icon(Icons.email),
                  border: OutlineInputBorder(),
                ),
                keyboardType: TextInputType.emailAddress,
              ),
              
              SizedBox(height: 15),
              
              // Password field
              TextField(
                controller: _passwordController,
                decoration: InputDecoration(
                  labelText: 'Mot de passe',
                  prefixIcon: Icon(Icons.lock),
                  border: OutlineInputBorder(),
                ),
                obscureText: true,
              ),
              
              SizedBox(height: 30),
              
              // Login button
              ElevatedButton(
                onPressed: _isLoading ? null : _login,
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.red.shade700,
                  padding: EdgeInsets.symmetric(horizontal: 50, vertical: 15),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(10),
                  ),
                ),
                child: _isLoading
                  ? CircularProgressIndicator(color: Colors.white)
                  : Text(
                      'Se connecter',
                      style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
                    ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Écran attente configuration Stripe
```dart
// lib/screens/stripe/stripe_setup_pending_screen.dart
class StripeSetupPendingScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Padding(
          padding: EdgeInsets.all(30),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(
                Icons.hourglass_empty,
                size: 80,
                color: Colors.orange,
              ),
              
              SizedBox(height: 30),
              
              Text(
                'Configuration en attente',
                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
              ),
              
              SizedBox(height: 20),
              
              Text(
                'Votre amicale n\'a pas encore configuré son compte de paiement Stripe.',
                textAlign: TextAlign.center,
                style: TextStyle(fontSize: 16, color: Colors.grey),
              ),
              
              SizedBox(height: 10),
              
              Text(
                'Contactez votre responsable pour finaliser la configuration.',
                textAlign: TextAlign.center,
                style: TextStyle(fontSize: 14, color: Colors.grey),
              ),
              
              SizedBox(height: 40),
              
              ElevatedButton.icon(
                onPressed: () async {
                  // Vérifier à nouveau le statut
                  final prefs = await SharedPreferences.getInstance();
                  final amicaleId = prefs.getString('amicale_id');
                  
                  final response = await ApiService().get(
                    '/amicales/$amicaleId/stripe-status'
                  );
                  
                  if (response['charges_enabled']) {
                    Navigator.pushReplacement(
                      context,
                      MaterialPageRoute(builder: (_) => PompierDashboardScreen()),
                    );
                  } else {
                    ScaffoldMessenger.of(context).showSnackBar(
                      SnackBar(content: Text('Configuration toujours en attente')),
                    );
                  }
                },
                icon: Icon(Icons.refresh),
                label: Text('Vérifier à nouveau'),
                style: ElevatedButton.styleFrom(
                  padding: EdgeInsets.symmetric(horizontal: 30, vertical: 12),
                ),
              ),
              
              TextButton(
                onPressed: () {
                  Navigator.pushReplacement(
                    context,
                    MaterialPageRoute(builder: (_) => LoginScreen()),
                  );
                },
                child: Text('Se déconnecter'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}
```

---

## 📅 MARDI 02/09 - Tests unitaires (8h)

### 🌅 Matin (4h)

#### ✅ Tests du service Terminal
```dart
// test/services/stripe_terminal_service_test.dart
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';

void main() {
  group('StripeTerminalService', () {
    test('should detect Tap to Pay capability on compatible iPhone', () async {
      // Test avec iPhone 14
      final service = StripeTerminalService();
      // Mock device info
      final isCompatible = await service.checkTapToPayCapability();
      expect(isCompatible, true);
    });
    
    test('should reject old iPhone models', () async {
      // Test avec iPhone X
      final service = StripeTerminalService();
      // Mock device info pour iPhone X
      final isCompatible = await service.checkTapToPayCapability();
      expect(isCompatible, false);
    });
  });
}
```

### 🌆 Après-midi (4h)

#### ✅ Tests d'intégration
```dart
// test/integration/payment_flow_test.dart
void main() {
  testWidgets('Complete payment flow', (WidgetTester tester) async {
    // Test du flux complet de paiement
    await tester.pumpWidget(MyApp());
    
    // Login
    await tester.enterText(find.byType(TextField).first, 'test@pompiers.fr');
    await tester.enterText(find.byType(TextField).last, 'password');
    await tester.tap(find.text('Se connecter'));
    await tester.pumpAndSettle();
    
    // Navigate to payment
    await tester.tap(find.text('Nouveau paiement'));
    await tester.pumpAndSettle();
    
    // Select amount
    await tester.tap(find.text('20€'));
    await tester.tap(find.text('Payer 20.00€'));
    await tester.pumpAndSettle();
    
    // Verify Tap to Pay screen
    expect(find.text('Paiement sans contact'), findsOneWidget);
  });
}
```

---

## 📅 MERCREDI 03/09 - Optimisations et polish (8h)

### 🌅 Matin (4h)

#### ✅ Gestion des erreurs améliorée
```dart
// lib/utils/error_handler.dart
class ErrorHandler {
  static String getReadableError(dynamic error) {
    if (error is StripeException) {
      switch (error.code) {
        case 'card_declined':
          return 'Carte refusée';
        case 'insufficient_funds':
          return 'Solde insuffisant';
        case 'lost_card':
          return 'Carte perdue';
        case 'stolen_card':
          return 'Carte volée';
        default:
          return 'Erreur de paiement: ${error.message}';
      }
    }
    
    if (error.toString().contains('SocketException')) {
      return 'Pas de connexion internet';
    }
    
    return 'Une erreur est survenue. Veuillez réessayer.';
  }
}
```

### 🌆 Après-midi (4h)

#### ✅ Performance et cache
```dart
// lib/services/cache_service.dart
class CacheService {
  static const Duration _cacheValidity = Duration(minutes: 5);
  final Map<String, CacheEntry> _cache = {};
  
  T? get<T>(String key) {
    final entry = _cache[key];
    if (entry == null) return null;
    
    if (DateTime.now().difference(entry.timestamp) > _cacheValidity) {
      _cache.remove(key);
      return null;
    }
    
    return entry.data as T;
  }
  
  void set(String key, dynamic data) {
    _cache[key] = CacheEntry(data: data, timestamp: DateTime.now());
  }
}

class CacheEntry {
  final dynamic data;
  final DateTime timestamp;
  
  CacheEntry({required this.data, required this.timestamp});
}
```

---

## 📅 JEUDI 04/09 - Finalisation et déploiement (8h)

---

## 📅 VENDREDI 05/09 - Livraison et support (8h)

### 🌅 Matin (4h)

#### ✅ Build et livraison finale
```bash
# iOS - Build final
flutter build ios --release
# Upload vers TestFlight pour distribution beta
```

#### ✅ Tests finaux sur appareils réels
- [ ] Test complet sur iPhone XS
- [ ] Test complet sur iPhone 14/15
- [ ] Validation avec vraies cartes test Stripe
- [ ] Vérification mode offline/online

### 🌆 Après-midi (4h)

#### ✅ Support et formation
- [ ] Formation équipe support client
- [ ] Création guide utilisateur pompier
- [ ] Vidéo démo Tap to Pay
- [ ] Support hotline pour premiers utilisateurs
- [ ] Monitoring des premiers paiements en production

---

## 📊 RÉCAPITULATIF

- **Total heures** : 72h sur 10 jours
- **Écrans créés** : 8
- **Services** : 5
- **Tests** : 15+
- **Compatibilité** : iOS uniquement (iPhone XS+, iOS 15.4+)

## 🎯 LIVRABLES

1. **App Flutter iOS & Android** avec Tap to Pay
2. **Détection automatique** compatibilité appareil (iOS et Android)
3. **Vérification API** pour appareils Android certifiés
4. **Mode offline** avec synchronisation
5. **Dashboard** des ventes
6. **Reçus** par email/SMS
7. **Liste dynamique** des appareils Android compatibles

## ⚠️ POINTS D'ATTENTION

- [ ] Tester sur vrais iPhone XS, 11, 12, 13, 14, 15
- [ ] Valider avec cartes test Stripe
- [ ] Former utilisateurs pilotes
- [ ] Prévoir support jour J

---

*Document créé le 24/08/2024 - À mettre à jour quotidiennement*