الكود بطيئ جداً عند تحديد الكثير من جهات الاتصال للقيام باجرا عمليات التحويل اعني عند الاضافة الى قائمة قم بالتحديد لاضافة رصيد وعند النقر علية يتاخر في الاضافة الى قائمة عمليات التحويل وازالته من القائمة الحالية
// main.dart
import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:telephony/telephony.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter_contacts/flutter_contacts.dart';
import 'package:url_launcher/url_launcher.dart';

// مكتبة الاتصال التلقائي
import 'package:flutter_phone_direct_caller/flutter_phone_direct_caller.dart';

// استيراد شاشة الترحيب المنفصلة
import 'welcome_screen.dart';

const tajawalFont = 'Tajawal';
void main() => runApp(const SMSApp());

void onBackgroundMessage(SmsMessage message) {
  debugPrint("رسالة واردة في الخلفية: ${message.body}");
}

/// ألوان التطبيق المحدثة إلى أزرق جذاب
final ColorScheme lightColorScheme = ColorScheme(
  primary: Color(0xFF1565C0), // أزرق داكن أنيق
  onPrimary: Colors.white,
  primaryContainer: Color(0xFF90CAF9), // أزرق فاتح
  onPrimaryContainer: Color(0xFF0D47A1), // أزرق داكن جداً
  secondary: Color(0xFF42A5F5), // أزرق متوسط جذاب
  onSecondary: Colors.white,
  secondaryContainer: Color(0xFFE3F2FD), // أزرق فاتح جداً
  onSecondaryContainer: Color(0xFF1E88E5), // أزرق متوسط داكن
  tertiary: Color(0xFF64B5F6), // أزرق سماوي
  onTertiary: Colors.white,
  tertiaryContainer: Color(0xFFBBDEFB), // أزرق فاتح
  onTertiaryContainer: Color(0xFF1976D2), // أزرق داكن
  error: Color(0xFFD32F2F),
  onError: Colors.white,
  errorContainer: Color(0xFFFFCDD2),
  onErrorContainer: Color(0xFFB71C1C),
  background: Colors.white,
  onBackground: Color(0xFF212121), // أسود مزرق
  surface: Colors.white,
  onSurface: Color(0xFF212121),
  surfaceVariant: Color(0xFFE1F5FE), // أزرق فاتح جداً
  onSurfaceVariant: Color(0xFF0288D1), // أزرق جذاب
  outline: Color(0xFFBDBDBD),
  shadow: Colors.black54,
  inverseSurface: Color(0xFF121212),
  onInverseSurface: Colors.white,
  inversePrimary: Color(0xFF82B1FF),
  brightness: Brightness.light,
);

class SMSApp extends StatelessWidget {
  const SMSApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'حوّلها',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: lightColorScheme,
        fontFamily: 'Tajawal',
        useMaterial3: true,
        appBarTheme: AppBarTheme(
          backgroundColor: Colors.transparent,
          foregroundColor: lightColorScheme.onPrimary,
          elevation: 6,
          centerTitle: true,
          titleTextStyle: const TextStyle(
            fontSize: 20,
            fontWeight: FontWeight.bold,
            letterSpacing: 0.5,
          ),
          iconTheme: IconThemeData(color: lightColorScheme.onPrimary, size: 26),
          toolbarHeight: 100,
          shadowColor: lightColorScheme.primary.withOpacity(0.4),
        ),

        cardTheme: CardTheme(
          color: lightColorScheme.surface,
          elevation: 1,
          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(16),
          ),
          surfaceTintColor: Colors.transparent,
        ),
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ElevatedButton.styleFrom(
            backgroundColor: lightColorScheme.primary,
            foregroundColor: lightColorScheme.onPrimary,
            padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 24),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
            elevation: 0,
            textStyle: const TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.w600,
            ),
          ),
        ),
        outlinedButtonTheme: OutlinedButtonThemeData(
          style: OutlinedButton.styleFrom(
            foregroundColor: lightColorScheme.primary,
            side: BorderSide(color: lightColorScheme.primary, width: 1.5),
            padding: const EdgeInsets.symmetric(vertical: 14, horizontal: 24),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
            textStyle: const TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.w600,
            ),
          ),
        ),
        textButtonTheme: TextButtonThemeData(
          style: TextButton.styleFrom(
            foregroundColor: lightColorScheme.primary,
            textStyle: const TextStyle(
              fontWeight: FontWeight.w700,
              fontSize: 16,
            ),
          ),
        ),
        snackBarTheme: SnackBarThemeData(
          behavior: SnackBarBehavior.floating,
          backgroundColor: lightColorScheme.inverseSurface,
          elevation: 0,
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
          contentTextStyle: TextStyle(
            color: lightColorScheme.onInverseSurface,
            fontWeight: FontWeight.w500,
            fontSize: 14,
          ),
          actionTextColor: lightColorScheme.primaryContainer,
        ),
        inputDecorationTheme: InputDecorationTheme(
          filled: true,
          fillColor: lightColorScheme.surfaceVariant.withOpacity(0.4),
          contentPadding: const EdgeInsets.symmetric(
            horizontal: 16,
            vertical: 14,
          ),
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(12),
            borderSide: BorderSide.none,
          ),
          focusedBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(12),
            borderSide: BorderSide(color: lightColorScheme.primary, width: 2),
          ),
          errorBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(12),
            borderSide: BorderSide(color: lightColorScheme.error, width: 1.5),
          ),
          labelStyle: TextStyle(
            color: lightColorScheme.onSurfaceVariant,
            fontWeight: FontWeight.w500,
          ),
          hintStyle: TextStyle(
            color: lightColorScheme.onSurfaceVariant.withOpacity(0.6),
          ),
          prefixIconColor: lightColorScheme.primary,
        ),
        dialogTheme: DialogTheme(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
          ),
          elevation: 0,
          backgroundColor: lightColorScheme.surface,
          contentTextStyle: TextStyle(
            color: lightColorScheme.onSurface,
            fontSize: 15,
          ),
          titleTextStyle: TextStyle(
            fontWeight: FontWeight.bold,
            fontSize: 18,
            color: lightColorScheme.onSurface,
          ),
        ),
        listTileTheme: ListTileThemeData(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          contentPadding: const EdgeInsets.symmetric(horizontal: 16),
          iconColor: lightColorScheme.primary,
          textColor: lightColorScheme.onSurface,
          dense: true,
        ),
        chipTheme: ChipThemeData(
          backgroundColor: lightColorScheme.surfaceVariant,
          selectedColor: lightColorScheme.primary,
          secondarySelectedColor: lightColorScheme.primary,
          disabledColor: lightColorScheme.surfaceVariant.withOpacity(0.4),
          labelStyle: const TextStyle(fontWeight: FontWeight.w500),
          secondaryLabelStyle: TextStyle(color: lightColorScheme.onPrimary),
          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
          brightness: Brightness.light,
          side: BorderSide.none,
        ),
        dividerTheme: DividerThemeData(
          color: lightColorScheme.surfaceVariant,
          thickness: 1,
          space: 0,
        ),
        progressIndicatorTheme: ProgressIndicatorThemeData(
          color: lightColorScheme.primary,
          linearTrackColor: lightColorScheme.surfaceVariant,
        ),
        bottomSheetTheme: BottomSheetThemeData(
          backgroundColor: lightColorScheme.surface,
          shape: const RoundedRectangleBorder(
            borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
          ),
          elevation: 0,
        ),
      ),
      home: const SplashScreen(),
      routes: {'/home': (context) => const SMSHomePage()},
    );
  }
}

class ThousandsSeparatorInputFormatter extends TextInputFormatter {
  @override
  TextEditingValue formatEditUpdate(
    TextEditingValue oldValue,
    TextEditingValue newValue,
  ) {
    String onlyDigits = newValue.text.replaceAll(RegExp(r'[^0-9]'), '');
    if (onlyDigits.isEmpty) return newValue.copyWith(text: '');

    final buffer = StringBuffer();
    int len = onlyDigits.length;
    for (int i = 0; i < len; i++) {
      buffer.write(onlyDigits[i]);
      int posFromRight = len - i - 1;
      if (posFromRight % 3 == 0 && i != len - 1) buffer.write(',');
    }

    return TextEditingValue(
      text: buffer.toString(),
      selection: TextSelection.collapsed(offset: buffer.length),
    );
  }
}

class TransferItem {
  String number;
  int amount;
  String? pin;

  TransferItem({required this.number, required this.amount, this.pin});

  Map<String, dynamic> toMap() {
    return {'number': number, 'amount': amount, 'pin': pin};
  }

  factory TransferItem.fromMap(Map<String, dynamic> map) {
    return TransferItem(
      number: map['number'],
      amount: map['amount'],
      pin: map['pin'],
    );
  }
}

extension ContactExtensions on Contact {
  String initials() {
    if (displayName.isEmpty) return '';

    final parts = displayName.trim().split(RegExp(r'\s+'));
    if (parts.length == 1) {
      return parts[0].substring(0, 1).toUpperCase();
    } else {
      return (parts[0].substring(0, 1) + parts[1].substring(0, 1))
          .toUpperCase();
    }
  }
}

class NumberAmount {
  String number;
  String? displayName;
  int amount;

  NumberAmount({required this.number, this.displayName, required this.amount});
}

class SMSHomePage extends StatefulWidget {
  const SMSHomePage({super.key});

  @override
  _SMSHomePageState createState() => _SMSHomePageState();
}

class _SMSHomePageState extends State<SMSHomePage>
    with WidgetsBindingObserver, TickerProviderStateMixin {
  final Telephony _telephony = Telephony.instance;
  SharedPreferences? _prefs;

  List<TransferItem> _transferList = [];
  String _selectedMethod = 'yemenMobile';
  bool _isTransferring = false;
  bool _stopTransferRequested = false;

  List<Map<String, dynamic>> _transferLogs = [];
  List<String> _savedNumbers = [];
  List<int> _savedAmounts = [];
  bool _didShowFavoritesDialog = false;
  String? _selectedQuickNumber;
  int _currentBalance = 0;

  late AnimationController _fabAnimationController;
  late Animation<double> _fabAnimation;

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _initApp();
    _loadContactsOnce();

    _fabAnimationController = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 400),
    );
    _fabAnimation = CurvedAnimation(
      parent: _fabAnimationController,
      curve: Curves.easeInOutBack,
    );

    // لضمان ظهور زر التحويل دائماً
    _fabAnimationController.value = 1;
  }

  // تخزين الأسماء في متغير
  Map<String, String?> _numberToContactName = {};

  // دالة تحميل الأسماء للجهات الاتصال
  Future<void> _loadContactsOnce() async {
    if (!await Permission.contacts.isGranted) {
      await Permission.contacts.request();
    }
    if (!mounted) return;

    final contacts = await FlutterContacts.getContacts(withProperties: true);

    final map = <String, String?>{};
    for (var contact in contacts) {
      for (var phone in contact.phones) {
        final normalizedPhone = phone.number.replaceAll(RegExp(r'[^\d+]'), '');
        map[normalizedPhone] = contact.displayName;
      }
    }

    setState(() {
      _numberToContactName = map;
    });
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    _fabAnimationController.dispose();
    super.dispose();
  }

  Future<void> _showPinManagementDialog() async {
    // نحفظ أرقام السرية لكل طريقة في SharedPreferences باستخدام مفتاح 'pin_${method}'

    // جلب القيم المخزنة حالياً
    final yemenMobilePin = _getPinForMethod('yemenMobile') ?? '';
    final sabafonPin = _getPinForMethod('sabafon') ?? '';

    final yemenMobileController = TextEditingController(text: yemenMobilePin);
    final sabafonController = TextEditingController(text: sabafonPin);

    await showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          title: Directionality(
            textDirection: TextDirection.rtl,
            child: Text(
              'إدارة الأرقام السرية',
              style: TextStyle(fontFamily: tajawalFont, fontSize: 15),
            ),
          ),
          content: Directionality(
            textDirection: TextDirection.rtl,
            child: SingleChildScrollView(
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  TextField(
                    controller: yemenMobileController,
                    keyboardType: TextInputType.number,
                    obscureText: true,
                    decoration: InputDecoration(
                      labelText: 'الرقم السري ليمن موبايل',
                      prefixIcon: Icon(Icons.lock_outline_rounded),
                    ),
                  ),
                  SizedBox(height: 16),
                  TextField(
                    controller: sabafonController,
                    keyboardType: TextInputType.number,
                    obscureText: true,
                    decoration: InputDecoration(
                      labelText: 'الرقم السري لسبأفون',
                      prefixIcon: Icon(Icons.lock_outline_rounded),
                    ),
                  ),
                ],
              ),
            ),
          ),
          actions: [
            Directionality(
              textDirection: TextDirection.rtl,
              child: TextButton(
                onPressed: () => Navigator.pop(context),
                child: Text('إلغاء', style: TextStyle(fontFamily: tajawalFont)),
              ),
            ),
            Directionality(
              textDirection: TextDirection.rtl,
              child: ElevatedButton(
                onPressed: () async {
                  final newYemenPin = yemenMobileController.text.trim();
                  final newSabafonPin = sabafonController.text.trim();

                  // حفظ القيم في SharedPreferences
                  await _savePinForMethod('yemenMobile', newYemenPin);
                  await _savePinForMethod('sabafon', newSabafonPin);

                  // تحديث قائمة التحويل إذا كانت تستخدم هذه الطرق:
                  setState(() {
                    for (var item in _transferList) {
                      if (item.pin != null) {
                        if (_selectedMethod == 'yemenMobile') {
                          item.pin = newYemenPin;
                        } else if (_selectedMethod == 'sabafon') {
                          item.pin = newSabafonPin;
                        }
                      }
                    }
                  });

                  Navigator.pop(context);
                  _showSnackBar('تم حفظ الأرقام السرية بنجاح');
                },
                child: Text('حفظ', style: TextStyle(fontFamily: tajawalFont)),
              ),
            ),
          ],
        );
      },
    );
  }

  Future<void> _loadTransferHistory() async {
    final prefs = await SharedPreferences.getInstance();
    final List<String>? logs = prefs.getStringList('transferHistory');
    if (logs != null && logs.isNotEmpty) {
      _transferLogs =
          logs.map((e) => json.decode(e) as Map<String, dynamic>).toList();
    } else {
      _transferLogs = [];
    }
  }

  Future<void> _saveTransferHistory() async {
    final prefs = await SharedPreferences.getInstance();
    final List<String> logs = _transferLogs.map((e) => json.encode(e)).toList();
    await prefs.setStringList('transferHistory', logs);
  }

  Future<String?> _askForPin(String method) async {
    final pinController = TextEditingController();

    return showDialog<String>(
      context: context,
      barrierDismissible: false,
      builder: (context) {
        return AlertDialog(
          title: Text(
            'الرجاء إدخال الرقم السري لطريقة التحويل: ${_getMethodName(method)}',
            style: TextStyle(fontFamily: tajawalFont),
          ),
          content: TextField(
            controller: pinController,
            keyboardType: TextInputType.number,
            obscureText: true,
            decoration: const InputDecoration(
              labelText: 'الرقم السري',
              prefixIcon: Icon(Icons.lock_outline_rounded),
            ),
          ),
          actions: [
            TextButton(
              onPressed: () => Navigator.pop(context),
              child: const Text(
                'إلغاء',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
            ElevatedButton(
              onPressed: () {
                final pin = pinController.text.trim();
                if (pin.isEmpty) {
                  ScaffoldMessenger.of(context).showSnackBar(
                    const SnackBar(
                      content: Text(
                        'يرجى إدخال الرقم السري',
                        style: TextStyle(fontFamily: tajawalFont),
                      ),
                    ),
                  );
                  return;
                }
                Navigator.pop(context, pin);
              },
              child: const Text('حفظ'),
            ),
          ],
        );
      },
    );
  }

  Future<void> _savePinForMethod(String method, String pin) async {
    await _prefs?.setString('pin_$method', pin);
  }

  String? _getPinForMethod(String method) {
    return _prefs?.getString('pin_$method');
  }

  Future<void> _addTransferLog(Map<String, dynamic> log) async {
    setState(() {
      _transferLogs.insert(0, log); // أدخل الأحدث في البداية
    });
    await _saveTransferHistory();
  }

  Future<void> _removeTransferLog(int index) async {
    setState(() {
      _transferLogs.removeAt(index);
    });
    await _saveTransferHistory();
  }

  Future<void> _initApp() async {
    _prefs = await SharedPreferences.getInstance();
    await _loadTransferHistory();
    _currentBalance = _prefs?.getInt('current_balance') ?? 0;

    List<String>? amountsStr = _prefs?.getStringList('savedAmounts');
    if (amountsStr != null) {
      _savedAmounts =
          amountsStr
              .map((e) => int.tryParse(e) ?? 0)
              .where((e) => e > 0)
              .toList();
    }

    if (_savedAmounts.isEmpty && !_didShowFavoritesDialog) {
      _didShowFavoritesDialog = true;
      await Future.delayed(Duration.zero);
      await _showFavoritesDialog();
    }

    List<String>? savedTransfers = _prefs?.getStringList('transferList');
    if (savedTransfers != null && savedTransfers.isNotEmpty) {
      _transferList =
          savedTransfers
              .map(
                (e) => TransferItem.fromMap(
                  json.decode(e) as Map<String, dynamic>,
                ),
              )
              .toList();
    } else {
      _transferList = [];
    }

    _selectedMethod = _prefs?.getString('selectedMethod') ?? 'yemenMobile';
    _savedNumbers = _prefs?.getStringList('savedNumbers') ?? [];

    await _requestPermissions();

    if (mounted) setState(() {});
  }

  Future<bool> _requestPermissions() async {
    final phoneStatus = await Permission.phone.status;
    final contactsStatus = await Permission.contacts.status;

    if (!phoneStatus.isGranted || !contactsStatus.isGranted) {
      final status = await [Permission.phone, Permission.contacts].request();

      if (!status[Permission.phone]!.isGranted ||
          !status[Permission.contacts]!.isGranted) {
        _showSnackBar(
          'يجب منح أذونات المكالمات وجهات الاتصال لاستخدام التطبيق',
        );
        return false;
      }
    }
    return true;
  }

  Future<void> _saveTransferList() async {
    final list = _transferList.map((e) => json.encode(e.toMap())).toList();
    await _prefs?.setStringList('transferList', list);
  }

  Future<void> _saveSelectedMethod() async {
    await _prefs?.setString('selectedMethod', _selectedMethod);
  }

  Future<void> _saveSavedNumbers() async {
    await _prefs?.setStringList('savedNumbers', _savedNumbers);
  }

  Future<void> _saveSavedAmounts() async {
    List<String> strList = _savedAmounts.map((e) => e.toString()).toList();
    await _prefs?.setStringList('savedAmounts', strList);
  }

  Future<void> _saveCurrentBalance() async {
    await _prefs?.setInt('current_balance', _currentBalance);
  }

  void _showSnackBar(String msg) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(
          textDirection: TextDirection.rtl,
          msg,
          style: const TextStyle(
            fontWeight: FontWeight.w500,
            fontFamily: tajawalFont,
          ),
        ),
        behavior: SnackBarBehavior.floating,
      ),
    );
  }

  Future<String?> _getContactNameFromNumber(String number) async {
    final hasPermission = await Permission.contacts.status;
    if (!hasPermission.isGranted) {
      final status = await Permission.contacts.request();
      if (!status.isGranted) return null;
    }
    final contacts = await FlutterContacts.getContacts(withProperties: true);
    for (var contact in contacts) {
      for (var phone in contact.phones) {
        final normalizedPhone = phone.number.replaceAll(RegExp(r'[^\d+]'), '');
        final normalizedNumber = number.replaceAll(RegExp(r'[^\d+]'), '');
        if (normalizedPhone == normalizedNumber) {
          return contact.displayName;
        }
      }
    }
    return null;
  }

  Future<void> _showFavoritesDialog() async {
    final amountsController = TextEditingController();

    await showDialog(
      context: context,
      barrierDismissible: false,
      builder: (context) {
        return Dialog(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
          ),
          elevation: 4,
          child: Container(
            padding: const EdgeInsets.all(24),
            decoration: BoxDecoration(
              color: Theme.of(context).colorScheme.surface,
              borderRadius: BorderRadius.circular(20),
            ),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Row(
                  children: [
                    Icon(
                      Icons.monetization_on_rounded,
                      color: Theme.of(context).colorScheme.primary,
                      size: 28,
                    ),
                    const SizedBox(width: 12),
                    Text(
                      'المبالغ المفضلة',
                      style: Theme.of(context).textTheme.titleLarge?.copyWith(
                        fontWeight: FontWeight.bold,
                        fontFamily: tajawalFont,
                      ),
                    ),
                  ],
                ),
                const SizedBox(height: 20),

                if (_savedAmounts.isEmpty)
                  Container(
                    padding: const EdgeInsets.all(16),
                    decoration: BoxDecoration(
                      color: Theme.of(
                        context,
                      ).colorScheme.surfaceVariant.withOpacity(0.2),
                      borderRadius: BorderRadius.circular(12),
                    ),
                    child: Text(
                      'أضف المبالغ التي تريد استخدامها بشكل متكرر',
                      style: Theme.of(
                        context,
                      ).textTheme.bodyMedium?.copyWith(fontFamily: tajawalFont),
                      textAlign: TextAlign.center,
                    ),
                  ),

                if (_savedAmounts.isNotEmpty)
                  Container(
                    constraints: const BoxConstraints(maxHeight: 150),
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(12),
                      border: Border.all(
                        color: Theme.of(
                          context,
                        ).colorScheme.outline.withOpacity(0.2),
                      ),
                    ),
                    child: SingleChildScrollView(
                      child: Wrap(
                        spacing: 8,
                        runSpacing: 8,
                        children:
                            _savedAmounts
                                .map(
                                  (amt) => Chip(
                                    label: Text(
                                      _formatWithThousandsSeparator(amt),
                                      style: TextStyle(
                                        fontFamily: tajawalFont,
                                        fontWeight: FontWeight.w600,
                                        color:
                                            Theme.of(
                                              context,
                                            ).colorScheme.onPrimaryContainer,
                                      ),
                                    ),
                                    backgroundColor:
                                        Theme.of(
                                          context,
                                        ).colorScheme.primaryContainer,
                                    deleteIcon: Icon(
                                      Icons.close,
                                      size: 18,
                                      color:
                                          Theme.of(
                                            context,
                                          ).colorScheme.onPrimaryContainer,
                                    ),
                                    onDeleted: () {
                                      setState(() {
                                        _savedAmounts.remove(amt);
                                      });
                                    },
                                    shape: RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(8),
                                    ),
                                  ),
                                )
                                .toList(),
                      ),
                    ),
                  ),

                const SizedBox(height: 20),

                TextField(
                  controller: amountsController,
                  keyboardType: TextInputType.number,
                  inputFormatters: [ThousandsSeparatorInputFormatter()],
                  decoration: InputDecoration(
                    suffixIcon: IconButton(
                      icon: Icon(
                        Icons.add_circle,
                        color: Theme.of(context).colorScheme.primary,
                        size: 28,
                      ),
                      onPressed: () {
                        final raw = amountsController.text.replaceAll(',', '');
                        final numAmount = int.tryParse(raw);
                        if (numAmount == null || numAmount <= 0) {
                          _showSnackBar('يرجى إدخال مبلغ صحيح أكبر من صفر');
                          return;
                        }
                        if (_savedAmounts.contains(numAmount)) {
                          _showSnackBar('هذا المبلغ موجود بالفعل');
                          return;
                        }
                        setState(() {
                          _savedAmounts.add(numAmount);
                          _savedAmounts.sort();
                          amountsController.clear();
                        });
                      },
                    ),
                    filled: true,
                    fillColor: Theme.of(
                      context,
                    ).colorScheme.surfaceVariant.withOpacity(0.1),
                    border: OutlineInputBorder(
                      borderRadius: BorderRadius.circular(12),
                      borderSide: BorderSide.none,
                    ),
                  ),
                  onSubmitted: (value) {
                    final raw = value.replaceAll(',', '');
                    final numAmount = int.tryParse(raw);
                    if (numAmount == null || numAmount <= 0) {
                      _showSnackBar('يرجى إدخال مبلغ صحيح أكبر من صفر');
                      return;
                    }
                    if (_savedAmounts.contains(numAmount)) {
                      _showSnackBar('هذا المبلغ موجود بالفعل');
                      return;
                    }
                    setState(() {
                      _savedAmounts.add(numAmount);
                      _savedAmounts.sort();
                      amountsController.clear();
                    });
                  },
                ),

                const SizedBox(height: 24),

                Row(
                  mainAxisAlignment: MainAxisAlignment.end,
                  children: [
                    TextButton(
                      onPressed: () => Navigator.pop(context),
                      style: TextButton.styleFrom(
                        foregroundColor:
                            Theme.of(context).colorScheme.onSurface,
                      ),
                      child: const Text(
                        'تخطي',
                        style: TextStyle(fontFamily: tajawalFont),
                      ),
                    ),
                    const SizedBox(width: 12),
                    ElevatedButton(
                      onPressed: () async {
                        if (_savedAmounts.isEmpty) {
                          _showSnackBar('الرجاء إدخال مبلغ واحد على الأقل');
                          return;
                        }
                        await _saveSavedAmounts();
                        Navigator.pop(context);
                      },
                      style: ElevatedButton.styleFrom(
                        backgroundColor: Theme.of(context).colorScheme.primary,
                        foregroundColor:
                            Theme.of(context).colorScheme.onPrimary,
                        shape: RoundedRectangleBorder(
                          borderRadius: BorderRadius.circular(12),
                        ),
                      ),
                      child: const Text(
                        'حفظ',
                        style: TextStyle(fontFamily: tajawalFont),
                      ),
                    ),
                  ],
                ),
              ],
            ),
          ),
        );
      },
    );
  }

  Future<int?> _pickAmountDialog() async {
    if (_savedAmounts.isEmpty) {
      _showSnackBar('لا توجد مبالغ محفوظة. الرجاء إضافتها في الإعدادات.');
      return null;
    }
    int? selectedAmount;

    await showModalBottomSheet(
      context: context,
      builder: (context) {
        return SafeArea(
          child: Padding(
            padding: const EdgeInsets.all(16),
            child: Wrap(
              spacing: 12,
              children:
                  _savedAmounts
                      .map(
                        (amount) => ChoiceChip(
                          label: Text(
                            _formatWithThousandsSeparator(amount),
                            style: TextStyle(
                              fontFamily: tajawalFont,
                              fontWeight: FontWeight.w600,
                              color:
                                  selectedAmount == amount
                                      ? Theme.of(context).colorScheme.onPrimary
                                      : Theme.of(context).colorScheme.primary,
                            ),
                          ),
                          selected: selectedAmount == amount,
                          onSelected: (_) {
                            selectedAmount = amount;
                            Navigator.pop(context);
                          },
                        ),
                      )
                      .toList(),
            ),
          ),
        );
      },
    );

    return selectedAmount;
  }

  Future<void> _showSavedNumbersSelection() async {
    final hasPermission = await _requestPermissions();
    if (!hasPermission) return;

    final contacts = await FlutterContacts.getContacts(
      withProperties: true,
      withThumbnail: false,
    );
    final selectedNumbers = List<String>.from(_savedNumbers);

    final searchController = TextEditingController();
    var searchQuery = '';

    await showModalBottomSheet<void>(
      context: context,
      isScrollControlled: true,
      backgroundColor: Colors.transparent,
      builder: (context) {
        return Directionality(
          textDirection: TextDirection.rtl, // هذا السطر يجعل كل المحتوى RTL
          child: StatefulBuilder(
            builder: (context, setModal) {
              final filteredContacts = _filterContacts(contacts, searchQuery);

              return Container(
                height: MediaQuery.of(context).size.height * 0.9,
                decoration: BoxDecoration(
                  color: Theme.of(context).colorScheme.surface,
                  borderRadius: const BorderRadius.vertical(
                    top: Radius.circular(24),
                  ),
                ),
                padding: EdgeInsets.only(
                  bottom: MediaQuery.of(context).viewInsets.bottom,
                ),
                child: Column(
                  children: [
                    // Header with search and title
                    Padding(
                      padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
                      child: Row(
                        textDirection:
                            TextDirection.rtl, // تأكيد اتجاه النص للرأس
                        children: [
                          IconButton(
                            icon: Icon(
                              Icons.close_rounded,
                              color: Theme.of(context).colorScheme.onSurface,
                            ),
                            onPressed: () => Navigator.pop(context),
                            tooltip: 'إغلاق',
                          ),
                          const SizedBox(width: 5),
                          Expanded(
                            child: Padding(
                              padding: const EdgeInsets.only(
                                left: 30,
                              ), // تحريك النص 10 بيكسل إلى اليمين
                              child: Text(
                                'اختر الأرقام المحفوظة',
                                textAlign: TextAlign.center,
                                style: Theme.of(
                                  context,
                                ).textTheme.titleLarge?.copyWith(
                                  fontSize: 17,
                                  fontFamily: tajawalFont,
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                            ),
                          ),
                        ],
                      ),
                    ),

                    // Search bar
                    Padding(
                      padding: const EdgeInsets.symmetric(
                        horizontal: 16,
                        vertical: 8,
                      ),
                      child: TextField(
                        textAlign: TextAlign.right, // محاذاة نص البحث لليمين
                        controller: searchController,
                        decoration: InputDecoration(
                          suffixIcon: const Icon(
                            Icons.search,
                          ), // تغيير الأيقونة للجانب الأيمن
                          hintText: 'ابحث في جهات الاتصال أو الأرقام',
                          isDense: true,
                          filled: true,
                          fillColor: Colors.grey[100],
                          border: OutlineInputBorder(
                            borderRadius: BorderRadius.circular(50),
                            borderSide: BorderSide.none,
                          ),
                          contentPadding: const EdgeInsets.symmetric(
                            vertical: 12,
                            horizontal: 16,
                          ),
                        ),
                        onChanged: (value) {
                          setModal(() {
                            searchQuery = value.trim();
                          });
                        },
                      ),
                    ),

                    const SizedBox(height: 8),

                    // Contacts count
                    Padding(
                      padding: const EdgeInsets.symmetric(horizontal: 16),
                      child: Row(
                        textDirection: TextDirection.rtl,
                        children: [
                          Text(
                            '${filteredContacts.length} جهة اتصال',
                            style: Theme.of(
                              context,
                            ).textTheme.bodySmall?.copyWith(
                              fontFamily: tajawalFont,
                              color:
                                  Theme.of(
                                    context,
                                  ).colorScheme.onSurfaceVariant,
                            ),
                          ),
                          const Spacer(),
                          Text(
                            '${selectedNumbers.length} مختارة',
                            style: Theme.of(
                              context,
                            ).textTheme.bodySmall?.copyWith(
                              fontFamily: tajawalFont,
                              color: Theme.of(context).colorScheme.primary,
                            ),
                          ),
                        ],
                      ),
                    ),

                    const Divider(height: 24, thickness: 1),

                    // Contacts list
                    Expanded(
                      child:
                          filteredContacts.isEmpty
                              ? _buildEmptyState(context)
                              : _buildContactsList(
                                context,
                                filteredContacts,
                                selectedNumbers,
                                setModal,
                              ),
                    ),

                    // Bottom buttons
                    _buildBottomButtons(context, selectedNumbers, setModal),
                  ],
                ),
              );
            },
          ),
        );
      },
    );
  }

  // دالة مساعدة لتصفية جهات الاتصال
  List<Contact> _filterContacts(List<Contact> contacts, String query) {
    if (query.isEmpty) return contacts;

    return contacts.where((contact) {
      final contactNameLower = contact.displayName.toLowerCase();
      final queryLower = query.toLowerCase();

      final phonesMatch = contact.phones.any(
        (phone) => phone.number.toLowerCase().contains(queryLower),
      );

      return contactNameLower.contains(queryLower) || phonesMatch;
    }).toList();
  }

  // بناء واجهة الحالة الفارغة
  Widget _buildEmptyState(BuildContext context) {
    return Center(
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(
            Icons.contact_phone_outlined,
            size: 48,
            color: Theme.of(context).colorScheme.outline,
          ),
          const SizedBox(height: 16),
          Text(
            'لا توجد جهات اتصال تطابق البحث',
            textAlign: TextAlign.right,
            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
              fontFamily: tajawalFont,
              color: Theme.of(context).colorScheme.onSurfaceVariant,
            ),
          ),
        ],
      ),
    );
  }

  // بناء قائمة جهات الاتصال
  Widget _buildContactsList(
    BuildContext context,
    List<Contact> contacts,
    List<String> selectedNumbers,
    StateSetter setModal,
  ) {
    return ListView.separated(
      keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.onDrag,
      physics: const ClampingScrollPhysics(),
      itemCount: contacts.length,
      separatorBuilder: (_, __) => const Divider(height: 1, indent: 72),
      itemBuilder: (context, index) {
        final contact = contacts[index];
        final phones = contact.phones;

        return Material(
          color: Colors.transparent,
          child: InkWell(
            onTap:
                () => _toggleContactSelection(
                  phones.first.number,
                  selectedNumbers,
                  setModal,
                ),
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
              child: Row(
                textDirection: TextDirection.rtl, // اتجاه الصف من اليمين لليسار
                children: [
                  // Contact avatar
                  _buildContactAvatar(
                    context,
                    contact,
                    selectedNumbers,
                    phones,
                  ),
                  const SizedBox(width: 16),
                  // Contact info
                  _buildContactInfo(context, contact, phones),
                ],
              ),
            ),
          ),
        );
      },
    );
  }

  // بناء صورة جهة الاتصال
  Widget _buildContactAvatar(
    BuildContext context,
    Contact contact,
    List<String> selectedNumbers,
    List<Phone> phones,
  ) {
    return Stack(
      children: [
        CircleAvatar(
          radius: 24,
          backgroundImage:
              (contact.thumbnail != null && contact.thumbnail!.isNotEmpty)
                  ? ResizeImage(
                    MemoryImage(contact.thumbnail!),
                    width: 48,
                    height: 48,
                  )
                  : null,
          child:
              (contact.thumbnail == null || contact.thumbnail!.isEmpty)
                  ? Text(
                    contact.initials(),
                    style: const TextStyle(
                      fontFamily: tajawalFont,
                      fontWeight: FontWeight.bold,
                      color: Colors.white,
                      fontSize: 18,
                    ),
                  )
                  : null,
          backgroundColor: Theme.of(context).colorScheme.primary,
        ),
        if (_isContactSelected(phones, selectedNumbers))
          Positioned(
            left: 0, // تغيير الموضع لليسار بدلاً من اليمين
            bottom: 0,
            child: Container(
              padding: const EdgeInsets.all(4),
              decoration: BoxDecoration(
                color: Colors.green,
                shape: BoxShape.circle,
                border: Border.all(
                  color: Theme.of(context).colorScheme.surface,
                  width: 2,
                ),
              ),
              child: const Icon(Icons.check, size: 14, color: Colors.white),
            ),
          ),
      ],
    );
  }

  // بناء معلومات جهة الاتصال
  Widget _buildContactInfo(
    BuildContext context,
    Contact contact,
    List<Phone> phones,
  ) {
    return Expanded(
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start, // محاذاة النص لليمين
        children: [
          Text(
            contact.displayName,
            textAlign: TextAlign.right,
            style: const TextStyle(
              fontFamily: tajawalFont,
              fontSize: 16,
              fontWeight: FontWeight.w600,
            ),
            maxLines: 1,
            overflow: TextOverflow.ellipsis,
          ),
          const SizedBox(height: 4),
          ...phones.map(
            (phone) => Text(
              phone.number,
              textAlign: TextAlign.right,
              style: TextStyle(
                fontFamily: tajawalFont,
                fontSize: 14,
                color: Theme.of(context).colorScheme.onSurfaceVariant,
              ),
            ),
          ),
        ],
      ),
    );
  }

  // بناء أزرار القاع
  Widget _buildBottomButtons(
    BuildContext context,
    List<String> selectedNumbers,
    StateSetter setModal,
  ) {
    return Container(
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: Theme.of(context).colorScheme.surface,
        boxShadow: [
          BoxShadow(
            color: Colors.black.withOpacity(0.1),
            blurRadius: 8,
            offset: const Offset(0, -4),
          ),
        ],
      ),
      child: Row(
        textDirection: TextDirection.ltr, // اتجاه الصف من اليمين لليسار
        children: [
          Expanded(
            child: OutlinedButton(
              style: OutlinedButton.styleFrom(
                padding: const EdgeInsets.symmetric(vertical: 16),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(12),
                ),
              ),
              onPressed: () => Navigator.pop(context),
              child: const Text(
                'إلغاء',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
          ),
          const SizedBox(width: 12),
          Expanded(
            child: FilledButton(
              style: FilledButton.styleFrom(
                padding: const EdgeInsets.symmetric(vertical: 16),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(12),
                ),
                backgroundColor: Theme.of(context).colorScheme.primary,
              ),
              onPressed: () async {
                _savedNumbers = List.from(selectedNumbers);
                await _saveSavedNumbers();
                if (!mounted) return;
                setState(() {});
                Navigator.pop(context);
                _showSnackBar('تم حفظ الأرقام المختارة');
              },
              child: const Text(
                'تأكيد',
                style: TextStyle(
                  fontFamily: tajawalFont,
                  fontWeight: FontWeight.bold,
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }

  // تبديل اختيار جهة الاتصال
  void _toggleContactSelection(
    String phoneNumber,
    List<String> selectedNumbers,
    StateSetter setModal,
  ) {
    final normalized = phoneNumber.replaceAll(RegExp(r'[^\d+]'), '');

    setModal(() {
      if (selectedNumbers.any((num) {
        final n = num.replaceAll(RegExp(r'[^\d+]'), '');
        return n == normalized;
      })) {
        selectedNumbers.removeWhere((num) {
          final n = num.replaceAll(RegExp(r'[^\d+]'), '');
          return n == normalized;
        });
      } else {
        selectedNumbers.add(normalized);
      }
    });
  }

  // التحقق مما إذا كانت جهة الاتصال مختارة
  bool _isContactSelected(List<Phone> phones, List<String> selectedNumbers) {
    return phones.any((phone) {
      final normalized = phone.number.replaceAll(RegExp(r'[^\d+]'), '');
      return selectedNumbers.any((num) {
        final n = num.replaceAll(RegExp(r'[^\d+]'), '');
        return n == normalized;
      });
    });
  }

  Future<void> _showBatchAmountAssignmentDialog(List<String> numbers) async {
    if (numbers.isEmpty) {
      _showSnackBar('لا توجد أرقام لتحديثها');
      return;
    }
    if (_savedAmounts.isEmpty) {
      _showSnackBar('لا توجد مبالغ محفوظة. الرجاء إضافتها في الإعدادات.');
      return;
    }

    List<NumberAmount> tempList = [];
    for (var number in numbers) {
      String? name = await _getContactNameFromNumber(number);
      final existing = _transferList.firstWhere(
        (element) => element.number == number,
        orElse: () => TransferItem(number: number, amount: 0),
      );
      tempList.add(
        NumberAmount(
          number: number,
          displayName: name,
          amount: existing.amount > 0 ? existing.amount : 0,
        ),
      );
    }

    final formKey = GlobalKey<FormState>();

    await showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          title: const Text(
            'تعيين مبلغ لكل رقم',
            style: TextStyle(fontFamily: tajawalFont),
          ),
          content: StatefulBuilder(
            builder: (context, setDialogState) {
              return Form(
                key: formKey,
                child: SizedBox(
                  width: double.maxFinite,
                  child: ListView.separated(
                    shrinkWrap: true,
                    physics: const ClampingScrollPhysics(),
                    separatorBuilder: (_, __) => const SizedBox(height: 16),
                    itemCount: tempList.length,
                    itemBuilder: (context, index) {
                      final item = tempList[index];
                      return Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Text(
                            item.displayName ?? item.number,
                            style: const TextStyle(
                              fontFamily: tajawalFont,
                              fontWeight: FontWeight.w600,
                              fontSize: 16,
                            ),
                            overflow: TextOverflow.ellipsis,
                          ),
                          const SizedBox(height: 8),
                          DropdownButtonFormField<int>(
                            decoration: const InputDecoration(
                              labelText: 'المبلغ',
                              isDense: true,
                            ),
                            items:
                                _savedAmounts
                                    .map(
                                      (e) => DropdownMenuItem(
                                        value: e,
                                        child: Text(
                                          _formatWithThousandsSeparator(e),
                                          style: const TextStyle(
                                            fontFamily: tajawalFont,
                                            fontWeight: FontWeight.w600,
                                          ),
                                        ),
                                      ),
                                    )
                                    .toList(),
                            value: item.amount > 0 ? item.amount : null,
                            onChanged: (val) {
                              setDialogState(() {
                                item.amount = val ?? 0;
                              });
                            },
                            validator: (val) {
                              if (val == null || val <= 0) {
                                return 'يرجى اختيار مبلغ صالح';
                              }
                              return null;
                            },
                            isExpanded: true,
                          ),
                        ],
                      );
                    },
                  ),
                ),
              );
            },
          ),
          actions: [
            TextButton(
              onPressed: () => Navigator.pop(context),
              child: const Text(
                'إلغاء',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
            FilledButton(
              onPressed: () async {
                if (!formKey.currentState!.validate()) {
                  _showSnackBar('يرجى إدخال جميع المبالغ بشكل صحيح');
                  return;
                }
                for (var item in tempList) {
                  if (!_transferList.any((e) => e.number == item.number)) {
                    String? pinForCurrentMethod = _getPinForMethod(
                      _selectedMethod,
                    );
                    _transferList.add(
                      TransferItem(
                        number: item.number,
                        amount: item.amount,
                        pin:
                            (_selectedMethod == 'yemenMobile' ||
                                    _selectedMethod == 'sabafon')
                                ? ''
                                : null,
                      ),
                    );
                  } else {
                    final existingIndex = _transferList.indexWhere(
                      (e) => e.number == item.number,
                    );
                    if (existingIndex != -1) {
                      _transferList[existingIndex].amount = item.amount;
                      if (_selectedMethod == 'yemenMobile' ||
                          _selectedMethod == 'sabafon') {
                        _transferList[existingIndex].pin ??= '';
                      } else {
                        _transferList[existingIndex].pin = null;
                      }
                    }
                  }
                }
                await _saveTransferList();
                setState(() {});
                Navigator.pop(context);
                _showSnackBar('تم تحديث قائمة التحويل بالمبالغ المحددة');
              },
              child: const Text(
                'حفظ',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
          ],
        );
      },
    );
  }

  String _formatWithThousandsSeparator(int value) {
    final s = value.toString();
    final buffer = StringBuffer();
    int len = s.length;
    for (int i = 0; i < len; i++) {
      buffer.write(s[i]);
      int posFromRight = len - i - 1;
      if (posFromRight % 3 == 0 && i != len - 1) {
        buffer.write(',');
      }
    }
    return buffer.toString();
  }

  // **التعديل الرئيسي: استخدام flutter_phone_direct_caller للاتصال التلقائي**
  Future<void> _startTransferSequence() async {
    if (_transferList.isEmpty) {
      _showSnackBar("لاتوجد عمليات للتحويل");
      return;
    }

    if (_selectedMethod == 'yemenMobile' || _selectedMethod == 'sabafon') {
      String? savedPin = _getPinForMethod(_selectedMethod);

      if (savedPin == null || savedPin.isEmpty) {
        String? pin = await _askForPin(_selectedMethod);
        if (pin == null || pin.isEmpty) {
          _showSnackBar('الرجاء إدخال الرقم السري لإجراء التحويل');
          setState(() {
            _isTransferring = false;
          });
          return;
        }
        savedPin = pin;
        await _savePinForMethod(_selectedMethod, pin);
      }

      // تحديث جميع العمليات بقيمة PIN
      setState(() {
        for (var item in _transferList) {
          item.pin = savedPin;
        }
      });
    }

    int totalAmount = _transferList.fold(0, (sum, item) => sum + item.amount);
    if (totalAmount > _currentBalance) {
      _showSnackBar(
        "الرصيد الحالي (${_formatWithThousandsSeparator(_currentBalance)}) غير كافٍ لإجراء التحويلات (المجموع: ${_formatWithThousandsSeparator(totalAmount)})",
      );
      return;
    }

    // طلب إذن الاتصال CALL_PHONE
    if (!await Permission.phone.isGranted) {
      final status = await Permission.phone.request();
      if (!status.isGranted) {
        _showSnackBar("يجب منح إذن الاتصال لإجراء تحويل الرصيد");
        return;
      }
    }

    final phonePermissionStatus = await Permission.phone.status;
    if (!phonePermissionStatus.isGranted) {
      final status = await Permission.phone.request();
      if (!status.isGranted) {
        _showSnackBar("يجب منح إذن الاتصال لإجراء تحويل الرصيد");
        return;
      }
    }

    setState(() {
      _isTransferring = true;
      _stopTransferRequested = false;
    });
    await _fabAnimationController.forward().orCancel;

    _transferLogs.clear();

    List<TransferItem> tempTransferList = List.from(_transferList);
    List<String> successfullyTransferredNumbers = [];

    for (var i = 0; i < tempTransferList.length; i++) {
      if (_stopTransferRequested) {
        _showSnackBar("تم إيقاف عملية التحويل");
        break;
      }

      var item = tempTransferList[i];
      String ussdCode = _buildUssdCode(item);

      _showSnackBar(
        'جاري تحويل ${_getMethodName(_selectedMethod)}: ${_formatWithThousandsSeparator(item.amount)} إلى ${item.number} (${i + 1}/${tempTransferList.length})',
      );

      try {
        debugPrint("Calling USSD code: $ussdCode");
        bool? called = await FlutterPhoneDirectCaller.callNumber(ussdCode);
        if (called == true) {
          await _addTransferLog({
            'number': item.number,
            'amount': item.amount,
            'success': true,
            'method': _selectedMethod,
            'timestamp': DateTime.now().toIso8601String(),
          });
          successfullyTransferredNumbers.add(item.number);

          setState(() {
            _currentBalance -= item.amount;
          });
          await _saveCurrentBalance();

          await Future.delayed(const Duration(seconds: 10));
        } else {
          await _addTransferLog({
            'number': item.number,
            'amount': item.amount,
            'success': true,
            'method': _selectedMethod,
            'timestamp': DateTime.now().toIso8601String(),
          });
        }
      } catch (e) {
        await _addTransferLog({
          'number': item.number,
          'amount': item.amount,
          'success': true,
          'method': _selectedMethod,
          'timestamp': DateTime.now().toIso8601String(),
        });
      }
    }

    setState(() {
      for (var number in successfullyTransferredNumbers) {
        _transferList.removeWhere((t) => t.number == number);
        _savedNumbers.removeWhere(
          (num) => _normalizeNumber(num) == _normalizeNumber(number),
        );
        if (_selectedQuickNumber == number) _selectedQuickNumber = null;
      }
    });

    await _saveTransferList();
    await _saveSavedNumbers();

    setState(() {
      _isTransferring = false;
    });
    await _fabAnimationController.reverse().orCancel;

    if (!_stopTransferRequested) {
      _showSnackBar("تمت جميع عمليات التحويل");
    }
    _fabAnimationController.value = 1;
  }

  String _normalizeNumber(String number) {
    return number.replaceAll(RegExp(r'[^\d+]'), '');
  }

  String _getMethodName(String method) {
    switch (method) {
      case 'yemenMobile':
        return 'يمن موبايل';
      case 'y':
        return 'واي';
      case 'sabafon':
        return 'سبأفون';
      case 'you':
        return 'يو';
      default:
        return method;
    }
  }

  String _buildUssdCode(TransferItem item) {
    final number = item.number;
    final amount = item.amount.toString();
    final pin = item.pin ?? '';

    String code = '';

    switch (_selectedMethod) {
      case 'yemenMobile':
        if (pin.isEmpty) {
          // إذا PIN فارغ، رمز بدون PIN
          code = '*888*$amount*$number#';
        } else {
          code = '*888*$amount*$number*$pin#';
        }
        break;
      case 'sabafon':
        if (pin.isEmpty) {
          code = '*123*$number*$amount#';
        } else {
          code = '*123*$pin*$number*$amount#';
        }
        break;
      case 'y':
        code = '*109*$amount*$number#';
        break;
      case 'you':
        code = '*130*$number*$amount#';
        break;
      default:
        code = '';
    }

    return code.replaceAll('#', Uri.encodeComponent('#'));
  }

  void _showTransferLogsDialog() {
    showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          title: const Text(
            'سجل عمليات التحويل',
            textAlign: TextAlign.right,
            style: TextStyle(fontFamily: tajawalFont),
          ),

          content: SizedBox(
            width: double.maxFinite,
            child:
                _transferLogs.isEmpty
                    ? Center(
                      child: Text(
                        'لا توجد عمليات تحويل حتى الآن',
                        style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                          fontFamily: tajawalFont,
                          color: Theme.of(context).colorScheme.onSurfaceVariant,
                        ),
                      ),
                    )
                    : Directionality(
                      textDirection: TextDirection.rtl,
                      child: ListView.builder(
                        shrinkWrap: true,
                        physics: const ClampingScrollPhysics(),
                        itemCount: _transferLogs.length,
                        itemBuilder: (_, i) {
                          final log = _transferLogs[i];
                          final success = log['success'] as bool;
                          final timestamp =
                              log['timestamp'] != null
                                  ? DateTime.parse(log['timestamp'])
                                  : null;
                          final timeFormatted =
                              timestamp != null
                                  ? '${timestamp.year}-${timestamp.month.toString().padLeft(2, '0')}-${timestamp.day.toString().padLeft(2, '0')} ${timestamp.hour.toString().padLeft(2, '0')}:${timestamp.minute.toString().padLeft(2, '0')}'
                                  : '';

                          return ListTile(
                            contentPadding: EdgeInsets.zero,
                            leading: Container(
                              width: 36,
                              height: 36,
                              decoration: BoxDecoration(
                                color:
                                    success
                                        ? Theme.of(
                                          context,
                                        ).colorScheme.primaryContainer
                                        : Theme.of(
                                          context,
                                        ).colorScheme.errorContainer,
                                shape: BoxShape.circle,
                              ),
                              child: Icon(
                                success ? Icons.check : Icons.close,
                                color:
                                    success
                                        ? Theme.of(context).colorScheme.primary
                                        : Theme.of(context).colorScheme.error,
                              ),
                            ),
                            title: Text(
                              '${_getMethodName(log['method'])} - ${log['number']}',
                              style: const TextStyle(
                                fontWeight: FontWeight.w600,
                                fontFamily: tajawalFont,
                              ),
                            ),
                            subtitle: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  'المبلغ: ${_formatWithThousandsSeparator(log['amount'] ?? 0)}',
                                  style: TextStyle(fontFamily: tajawalFont),
                                ),
                                if (timeFormatted.isNotEmpty)
                                  Text(
                                    'الوقت: $timeFormatted',
                                    style: const TextStyle(
                                      fontFamily: tajawalFont,
                                      fontSize: 12,
                                      color: Colors.grey,
                                    ),
                                  ),
                                if (log['error'] != null)
                                  Text(
                                    'خطأ: ${log['error']}',
                                    style: const TextStyle(
                                      fontFamily: tajawalFont,
                                      fontSize: 12,
                                      color: Colors.red,
                                    ),
                                  ),
                              ],
                            ),
                            trailing: IconButton(
                              icon: Icon(
                                Icons.delete_forever_rounded,
                                color: Theme.of(context).colorScheme.error,
                              ),
                              tooltip: 'حذف السجل',
                              onPressed: () {
                                _removeTransferLog(i);
                                Navigator.pop(context);
                                Future.delayed(
                                  Duration(milliseconds: 100),
                                  _showTransferLogsDialog,
                                );
                              },
                            ),
                          );
                        },
                      ),
                    ),
          ),
          actions: [
            TextButton(
              onPressed: () => Navigator.pop(context),
              child: const Text(
                'إغلاق',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
            TextButton(
              onPressed: () {
                setState(() {
                  _transferLogs.clear();
                });
                _saveTransferHistory();
                Navigator.pop(context);
                _showSnackBar('تم حذف جميع سجلات التحويل');
              },
              child: const Text(
                'حذف الكل',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
          ],
        );
      },
    );
  }

  void _showAmountsManagementDialog() async {
    final amountsController = TextEditingController();
    bool isValidInput(String value) {
      final raw = value.replaceAll(',', '');
      final numAmount = int.tryParse(raw);
      return numAmount != null &&
          numAmount > 0 &&
          !_savedAmounts.contains(numAmount);
    }

    void addAmount(
      String value,
      void Function(void Function()) setDialogState,
    ) {
      final raw = value.replaceAll(',', '');
      final numAmount = int.tryParse(raw);
      if (numAmount == null || numAmount <= 0) {
        _showSnackBar('يرجى إدخال مبلغ صحيح أكبر من صفر');
        return;
      }
      if (_savedAmounts.contains(numAmount)) {
        _showSnackBar('هذا المبلغ موجود بالفعل');
        return;
      }
      setDialogState(() {
        _savedAmounts.add(numAmount);
        _savedAmounts.sort();
        amountsController.clear();
      });
    }

    await showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          title: const Text(
            'إدارة المبالغ المحفوظة',
            style: TextStyle(fontFamily: tajawalFont),
            textAlign: TextAlign.center,
          ),
          content: StatefulBuilder(
            builder: (context, setDialogState) {
              return SizedBox(
                width: double.maxFinite,
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    if (_savedAmounts.isEmpty)
                      Padding(
                        padding: const EdgeInsets.symmetric(vertical: 12),
                        child: Text(
                          'لا توجد مبالغ محفوظة حالياً',
                          style: Theme.of(
                            context,
                          ).textTheme.bodyMedium?.copyWith(
                            fontFamily: tajawalFont,
                            color:
                                Theme.of(context).colorScheme.onSurfaceVariant,
                          ),
                        ),
                      ),
                    if (_savedAmounts.isNotEmpty)
                      Container(
                        constraints: BoxConstraints(maxHeight: 150),
                        child: SingleChildScrollView(
                          child: Wrap(
                            spacing: 8,
                            runSpacing: 6,
                            children:
                                _savedAmounts
                                    .map(
                                      (amt) => Tooltip(
                                        message: 'حذف هذا المبلغ',
                                        child: Chip(
                                          label: Text(
                                            _formatWithThousandsSeparator(amt),
                                            style: const TextStyle(
                                              fontFamily: tajawalFont,
                                              fontWeight: FontWeight.w600,
                                            ),
                                          ),
                                          backgroundColor:
                                              Theme.of(
                                                context,
                                              ).colorScheme.primaryContainer,
                                          shape: RoundedRectangleBorder(
                                            borderRadius: BorderRadius.circular(
                                              20,
                                            ),
                                          ),
                                          onDeleted: () {
                                            setDialogState(() {
                                              _savedAmounts.remove(amt);
                                            });
                                          },
                                          deleteIconColor:
                                              Theme.of(
                                                context,
                                              ).colorScheme.error,
                                        ),
                                      ),
                                    )
                                    .toList(),
                          ),
                        ),
                      ),
                    const Divider(height: 25, thickness: 1),
                    TextField(
                      controller: amountsController,
                      keyboardType: TextInputType.number,
                      inputFormatters: [ThousandsSeparatorInputFormatter()],
                      decoration: InputDecoration(
                        labelText: 'إضافة مبلغ جديد',
                        suffixIcon: IconButton(
                          icon: const Icon(Icons.add_circle_rounded),
                          tooltip: 'إضافة المبلغ',
                          onPressed:
                              isValidInput(amountsController.text)
                                  ? () => addAmount(
                                    amountsController.text,
                                    setDialogState,
                                  )
                                  : null,
                        ),
                      ),
                      onChanged: (value) {
                        setDialogState(() {}); // لتحديث زر الإضافة
                      },
                      onSubmitted: (value) {
                        addAmount(value, setDialogState);
                      },
                    ),
                  ],
                ),
              );
            },
          ),
          actionsAlignment: MainAxisAlignment.spaceBetween,
          actions: [
            TextButton(
              onPressed: () => Navigator.pop(context),
              child: const Text(
                'إغلاق',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
            FilledButton.tonal(
              onPressed: () async {
                await _saveSavedAmounts();
                Navigator.pop(context);
                _showSnackBar('تم حفظ المبالغ بنجاح');
              },
              child: const Text(
                'حفظ',
                style: TextStyle(fontFamily: tajawalFont),
              ),
            ),
          ],
        );
      },
    );
  }

  void _stopTransferSequence() {
    if (_isTransferring) {
      setState(() {
        _stopTransferRequested = true;
      });
      _showSnackBar("تم طلب إيقاف عملية التحويل");
    }
  }

  Widget _buildCurrentTransferMethodSection() {
    final methodNames = {
      'yemenMobile': 'يمن موبايل',
      'y': 'واي',
      'sabafon': 'سبأفون',
      'you': 'يو',
    };

    final methodIcons = {
      'yemenMobile': Icons.sim_card,
      'y': Icons.sim_card,
      'sabafon': Icons.sim_card,
      'you': Icons.sim_card,
    };

    final methodName = methodNames[_selectedMethod] ?? _selectedMethod;
    final methodIcon = methodIcons[_selectedMethod] ?? Icons.sync;

    return Card(
      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Icon(
                  Icons.swap_horiz,
                  color: Theme.of(context).colorScheme.primary,
                ),
                const SizedBox(width: 12),
                Text(
                  'طريقة التحويل الحالية',
                  style: Theme.of(context).textTheme.titleLarge?.copyWith(
                    fontFamily: tajawalFont,
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ],
            ),
            const SizedBox(height: 16),
            Row(
              children: [
                Container(
                  decoration: BoxDecoration(
                    color: Colors.lightBlue[50],
                    borderRadius: BorderRadius.circular(12),
                  ),
                  padding: const EdgeInsets.all(12),
                  child: Icon(
                    methodIcon,
                    size: 40,
                    color: Theme.of(context).colorScheme.primary,
                  ),
                ),
                const SizedBox(width: 16),
                Expanded(
                  child: Text(
                    methodName,
                    style: Theme.of(context).textTheme.headlineSmall?.copyWith(
                      fontFamily: tajawalFont,
                      fontWeight: FontWeight.bold,
                      color: Theme.of(context).colorScheme.primary,
                    ),
                  ),
                ),
                FilledButton.tonal(
                  onPressed: () async {
                    final selected = await showDialog<String>(
                      context: context,
                      builder: (context) {
                        return SimpleDialog(
                          title: const Text(
                            'اختر طريقة التحويل',
                            style: TextStyle(fontFamily: tajawalFont),
                          ),
                          children:
                              methodNames.entries.map((entry) {
                                final isSelected = entry.key == _selectedMethod;
                                return SimpleDialogOption(
                                  onPressed:
                                      () => Navigator.pop(context, entry.key),
                                  child: Row(
                                    children: [
                                      Icon(
                                        methodIcons[entry.key],
                                        color:
                                            isSelected
                                                ? Theme.of(
                                                  context,
                                                ).colorScheme.primary
                                                : Theme.of(
                                                  context,
                                                ).colorScheme.onSurfaceVariant,
                                      ),
                                      const SizedBox(width: 12),
                                      Text(
                                        entry.value,
                                        style: TextStyle(
                                          fontFamily: tajawalFont,
                                        ),
                                      ),
                                      if (isSelected)
                                        const Padding(
                                          padding: EdgeInsets.only(left: 12),
                                          child: Icon(Icons.check),
                                        ),
                                    ],
                                  ),
                                );
                              }).toList(),
                        );
                      },
                    );
                    if (selected != null && selected != _selectedMethod) {
                      if (selected == 'yemenMobile' || selected == 'sabafon') {
                        String? savedPin = _getPinForMethod(selected);
                        if (savedPin == null) {
                          // اطلب من المستخدم إدخال الرقم السري قبل التبديل
                          String? pin = await _askForPin(selected);
                          if (pin == null) {
                            // المستخدم الغى الإدخال فلا تغير الطريقة
                            return;
                          }
                          await _savePinForMethod(selected, pin);
                          savedPin = pin;
                        }

                        setState(() {
                          _selectedMethod = selected;

                          for (var item in _transferList) {
                            item.pin = savedPin;
                          }
                        });
                        await _saveSelectedMethod();
                      } else {
                        // طرق لا تحتاج إلى رقم سري
                        setState(() {
                          _selectedMethod = selected;
                          for (var item in _transferList) {
                            item.pin = null;
                          }
                        });
                        await _saveSelectedMethod();
                      }
                      _showSnackBar(
                        'تم تغيير طريقة التحويل إلى ${methodNames[selected]}',
                      );
                    }
                  },
                  child: const Text(
                    'تغيير',
                    style: TextStyle(fontFamily: tajawalFont),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 8),
            Row(
              mainAxisAlignment: MainAxisAlignment.end,
              children: [
                Text(
                  'آلية لتحويل الرصيد دفعة واحدة.',
                  textDirection: TextDirection.rtl,
                  style: Theme.of(
                    context,
                  ).textTheme.bodySmall?.copyWith(fontFamily: tajawalFont),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    Widget fabChild =
        _isTransferring
            ? Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                SizedBox(
                  width: 20,
                  height: 20,
                  child: CircularProgressIndicator(
                    color: Theme.of(context).colorScheme.onPrimary,
                    strokeWidth: 3,
                  ),
                ),
                const SizedBox(width: 8),
                const Text(
                  'إيقاف التحويل',
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontFamily: tajawalFont,
                  ),
                ),
              ],
            )
            : Row(
              mainAxisSize: MainAxisSize.min,
              children: const [
                SizedBox(width: 8),
                Text(
                  'إجراء التحويلات',
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontFamily: tajawalFont,
                  ),
                ),
              ],
            );

    return Scaffold(
      appBar: AppBar(
        toolbarHeight: 100,
        title: Row(
          children: [
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.center,
                mainAxisSize: MainAxisSize.min,
                children: [
                  Text(
                    'تحويل ذكي',
                    style: TextStyle(
                      fontSize: 20,
                      fontWeight: FontWeight.bold,
                      fontFamily: tajawalFont,
                    ),
                    overflow: TextOverflow.ellipsis,
                  ),
                  const SizedBox(height: 8),
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 10,
                      vertical: 6,
                    ),
                    decoration: BoxDecoration(
                      color: lightColorScheme.surface.withOpacity(0.9),
                      borderRadius: BorderRadius.circular(12),
                      boxShadow: [
                        BoxShadow(
                          color: Colors.black.withOpacity(0.1),
                          blurRadius: 8,
                          offset: const Offset(0, 2),
                        ),
                      ],
                      gradient: LinearGradient(
                        colors: [
                          lightColorScheme.surfaceVariant.withOpacity(0.7),
                          lightColorScheme.surfaceVariant.withOpacity(0.4),
                        ],
                        begin: Alignment.topLeft,
                        end: Alignment.bottomRight,
                      ),
                    ),
                    child: Row(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Icon(
                          Icons.account_balance_wallet_rounded,
                          size: 20,
                          color: lightColorScheme.primary,
                        ),
                        const SizedBox(width: 5),

                        Container(
                          padding: const EdgeInsets.only(top: 5.5),
                          child: Row(
                            mainAxisSize: MainAxisSize.min,
                            textDirection: TextDirection.rtl,
                            children: [
                              Text(
                                textDirection: TextDirection.rtl,
                                'الرصيد: ',
                                style: TextStyle(
                                  fontSize: 16,
                                  fontWeight: FontWeight.w600,
                                  fontFamily: tajawalFont,
                                  color: lightColorScheme.onSurface,
                                ),
                              ),
                              SizedBox(
                                width: 49, // تقليل العرض لتقليل المسافة
                                child: Text(
                                  _formatWithThousandsSeparator(
                                    _currentBalance,
                                  ),
                                  style: TextStyle(
                                    fontSize: 15,
                                    fontWeight: FontWeight.bold,
                                    fontFamily: tajawalFont,
                                    color: lightColorScheme.onSurface,
                                  ),
                                  maxLines: 1,
                                  overflow: TextOverflow.ellipsis,
                                  textDirection: TextDirection.ltr,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
        actions: [
          Tooltip(
            message: 'إدارة المبالغ المحفوظة',
            child: CircleAvatar(
              backgroundColor: lightColorScheme.primaryContainer.withOpacity(
                0.7,
              ),
              child: IconButton(
                icon: Icon(Icons.attach_money_rounded, color: Colors.white),
                onPressed: _showAmountsManagementDialog,
              ),
            ),
          ),
          SizedBox(width: 12),
          Tooltip(
            message: 'إدارة الأرقام المحفوظة',
            child: CircleAvatar(
              backgroundColor: lightColorScheme.primaryContainer.withOpacity(
                0.7,
              ),
              child: IconButton(
                icon: Icon(Icons.person, color: Colors.white),
                onPressed: _showSavedNumbersSelection,
              ),
            ),
          ),
          SizedBox(width: 12),
          Tooltip(
            message: 'إدارة الرقم السري',
            child: CircleAvatar(
              backgroundColor: lightColorScheme.primaryContainer.withOpacity(
                0.7,
              ),
              child: IconButton(
                icon: Icon(Icons.lock, color: Colors.white),
                onPressed: _showPinManagementDialog,
              ),
            ),
          ),
          const SizedBox(width: 12),

          // ** الزر الجديد لسجلات التحويل **
          if (_transferLogs
              .isNotEmpty) // إظهار الزر فقط إذا كانت هناك سجلات للتحويل
            Tooltip(
              message: 'سجل التحويلات السابقة',
              child: CircleAvatar(
                backgroundColor: lightColorScheme.primaryContainer.withOpacity(
                  0.7,
                ),
                child: IconButton(
                  icon: Icon(Icons.history_rounded, color: Colors.white),
                  onPressed: _showTransferLogsDialog,
                ),
              ),
            ),
          const SizedBox(width: 12),
        ],
        flexibleSpace: Container(
          decoration: BoxDecoration(
            gradient: LinearGradient(
              colors: [
                lightColorScheme.primary,
                lightColorScheme.primaryContainer,
              ],
              begin: Alignment.topLeft,
              end: Alignment.bottomRight,
            ),
            borderRadius: BorderRadius.vertical(bottom: Radius.circular(20)),
          ),
        ),
        elevation: 6,
        shadowColor: lightColorScheme.primary.withOpacity(0.4),
      ),

      floatingActionButton: ScaleTransition(
        scale: _fabAnimation,
        child: FloatingActionButton.extended(
          onPressed:
              _isTransferring ? _stopTransferSequence : _startTransferSequence,
          icon:
              _isTransferring
                  ? null
                  : const Icon(Icons.currency_exchange_rounded),
          label: fabChild,
          elevation: 2,
          backgroundColor: Theme.of(context).colorScheme.primary,
          foregroundColor: Theme.of(context).colorScheme.onPrimary,
        ),
      ),

      body: Column(
        children: [
          _buildCurrentTransferMethodSection(),
          if (_savedNumbers.isNotEmpty)
            Padding(
              padding: const EdgeInsets.fromLTRB(8, 3, 16, 8),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.end,
                children: [
                  Padding(
                    padding: const EdgeInsets.fromLTRB(
                      0,
                      3,
                      8,
                      3,
                    ), // ازاحة بسيطة لليسار
                    child: Text(
                      'قم بالتحديد لإضافة رصيد',
                      style: Theme.of(context).textTheme.titleMedium?.copyWith(
                        fontWeight: FontWeight.bold,
                        fontFamily: tajawalFont,
                      ),
                    ),
                  ),
                  const SizedBox(height: 8),
                  SizedBox(
                    height: 55,
                    child: FutureBuilder<List<Map<String, String?>>>(
                      future: Future.wait(
                        _savedNumbers.map((number) async {
                          final name = await _getContactNameFromNumber(number);
                          return {'number': number, 'name': name};
                        }).toList(),
                      ),
                      builder: (context, snapshot) {
                        if (!snapshot.hasData) {
                          return const Center(
                            child: CircularProgressIndicator(),
                          );
                        }
                        final data = snapshot.data!;
                        return ListView.separated(
                          scrollDirection: Axis.horizontal,
                          itemCount: data.length,
                          separatorBuilder:
                              (_, __) => const SizedBox(width: 12),
                          itemBuilder: (context, index) {
                            final item = data[index];
                            final number = item['number']!;
                            final displayText =
                                item['name']?.isNotEmpty == true
                                    ? item['name']
                                    : number;
                            final bool isSelected =
                                _selectedQuickNumber == number;

                            String initials = '';
                            if (item['name']?.isNotEmpty == true) {
                              final parts = displayText!.trim().split(' ');
                              if (parts.length == 1) {
                                initials = parts[0][0];
                              } else if (parts.length > 1) {
                                initials = parts[0][0] + parts[1][0];
                              }
                            } else {
                              initials = number.substring(0, 2);
                            }
                            initials = initials.toUpperCase();

                            return GestureDetector(
                              onTap: () async {
                                if (isSelected) {
                                  // إذا الرقم مُحدد، قم بإلغاء التحديد فقط
                                  setState(() {
                                    _selectedQuickNumber = null;
                                  });
                                } else {
                                  // إضافة الرقم إلى قائمة التحويل + إزالة من الأرقام السريعة
                                  final defaultAmount =
                                      _savedAmounts.isNotEmpty
                                          ? _savedAmounts.first
                                          : 0;

                                  setState(() {
                                    _selectedQuickNumber = number;

                                    // إضافة الرقم إذا لم يكن موجوداً مسبقاً في قائمة التحويل
                                    if (!_transferList.any(
                                      (e) => e.number == number,
                                    )) {
                                      String? pinForCurrentMethod =
                                          _getPinForMethod(_selectedMethod);
                                      _transferList.add(
                                        TransferItem(
                                          number: number,
                                          amount: defaultAmount,
                                          pin:
                                              (_selectedMethod ==
                                                          'yemenMobile' ||
                                                      _selectedMethod ==
                                                          'sabafon')
                                                  ? _getPinForMethod(
                                                        _selectedMethod,
                                                      ) ??
                                                      ''
                                                  : null,
                                        ),
                                      );
                                    }

                                    // إزالة الرقم من الأرقام المحفوظة (اختيار سريع)
                                    _savedNumbers.removeWhere(
                                      (num) =>
                                          _normalizeNumber(num) ==
                                          _normalizeNumber(number),
                                    );
                                  });

                                  // حفظ التغييرات
                                  await _saveTransferList();
                                  await _saveSavedNumbers();

                                  // تحديث الواجهة
                                  if (mounted) setState(() {});

                                  // يمكن إظهار Snackbar أو أي تأكيد حسب رغبتك
                                  _showSnackBar(
                                    'تم إضافة الرقم إلى قائمة التحويلات. ',
                                  );
                                }
                              },
                              child: Container(
                                width: 200,
                                padding: const EdgeInsets.symmetric(
                                  horizontal: 12,
                                  vertical: 5,
                                ),
                                decoration: BoxDecoration(
                                  color:
                                      isSelected
                                          ? Theme.of(
                                            context,
                                          ).colorScheme.primary
                                          : Theme.of(
                                            context,
                                          ).colorScheme.surfaceVariant,
                                  borderRadius: BorderRadius.circular(50),
                                ),
                                child: Row(
                                  children: [
                                    CircleAvatar(
                                      radius: 20,
                                      backgroundColor:
                                          isSelected
                                              ? Theme.of(
                                                context,
                                              ).colorScheme.surface
                                              : Theme.of(
                                                context,
                                              ).colorScheme.primary,
                                      child: Text(
                                        initials,
                                        style: TextStyle(
                                          color:
                                              isSelected
                                                  ? Theme.of(
                                                    context,
                                                  ).colorScheme.primary
                                                  : Theme.of(
                                                    context,
                                                  ).colorScheme.onPrimary,
                                          fontFamily: tajawalFont,
                                          fontWeight: FontWeight.bold,
                                        ),
                                      ),
                                    ),
                                    const SizedBox(width: 12),
                                    Expanded(
                                      child: Text(
                                        displayText ?? number,
                                        style: TextStyle(
                                          color:
                                              isSelected
                                                  ? Theme.of(
                                                    context,
                                                  ).colorScheme.onPrimary
                                                  : Theme.of(
                                                    context,
                                                  ).colorScheme.onSurface,
                                          fontFamily: tajawalFont,
                                          fontWeight: FontWeight.w600,
                                        ),
                                        maxLines: 2,
                                        overflow: TextOverflow.ellipsis,
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                            );
                          },
                        );
                      },
                    ),
                  ),

                  // زر حذف جهة الاتصال المحددة يظهر فقط عند اختيار رقم سريع
                ],
              ),
            ),
          const Divider(height: 5),
          Expanded(
            child:
                _transferList.isEmpty
                    ? Center(
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Icon(
                            Icons.phone_android_rounded,
                            size: 64,
                            color:
                                Theme.of(context).colorScheme.onSurfaceVariant,
                          ),
                          const SizedBox(height: 16),
                          Text(
                            'لا توجد عمليات للتحويل',
                            style: Theme.of(
                              context,
                            ).textTheme.titleMedium?.copyWith(
                              fontFamily: tajawalFont,
                              color:
                                  Theme.of(
                                    context,
                                  ).colorScheme.onSurfaceVariant,
                            ),
                          ),
                          const SizedBox(height: 8),
                          Text(
                            'أضف الأرقام لتنفيذ التحويلات بسهولة.',
                            textDirection: TextDirection.rtl,
                            style: Theme.of(
                              context,
                            ).textTheme.bodyMedium?.copyWith(
                              fontFamily: tajawalFont,
                              color:
                                  Theme.of(
                                    context,
                                  ).colorScheme.onSurfaceVariant,
                            ),
                          ),
                        ],
                      ),
                    )
                    : ListView.builder(
                      physics: const BouncingScrollPhysics(),
                      padding: const EdgeInsets.only(bottom: 96),
                      itemCount: _transferList.length,
                      itemBuilder: (context, index) {
                        final item = _transferList[index];
                        return Dismissible(
                          key: Key('${item.number}_$index'),
                          background: Container(
                            margin: const EdgeInsets.symmetric(
                              horizontal: 16,
                              vertical: 8,
                            ),
                            decoration: BoxDecoration(
                              color:
                                  Theme.of(context).colorScheme.errorContainer,
                              borderRadius: BorderRadius.circular(12),
                            ),
                            alignment: Alignment.centerRight,
                            padding: const EdgeInsets.only(right: 24),
                            child: Icon(
                              Icons.delete_rounded,
                              color: Theme.of(context).colorScheme.error,
                            ),
                          ),
                          direction: DismissDirection.endToStart,
                          onDismissed: (direction) => _removeTransferAt(index),
                          child: Card(
                            margin: const EdgeInsets.symmetric(
                              horizontal: 16,
                              vertical: 8,
                            ),
                            child: ListTile(
                              leading: Container(
                                width: 40,
                                height: 40,
                                decoration: BoxDecoration(
                                  color:
                                      Theme.of(
                                        context,
                                      ).colorScheme.primaryContainer,
                                  shape: BoxShape.circle,
                                ),
                                child: Icon(
                                  Icons.phone_android_rounded,
                                  color: Theme.of(context).colorScheme.primary,
                                ),
                              ),
                              title: FutureBuilder<String?>(
                                future: _getContactNameFromNumber(item.number),
                                builder: (context, snapshot) {
                                  String displayText;

                                  if (snapshot.connectionState ==
                                      ConnectionState.done) {
                                    if (snapshot.hasData &&
                                        snapshot.data != null &&
                                        snapshot.data!.isNotEmpty) {
                                      // هنالك اسم موجود، عرض الاسم
                                      displayText = snapshot.data!;
                                    } else {
                                      // لا يوجد اسم، عرض الرقم
                                      displayText = item.number;
                                    }
                                  } else {
                                    // أثناء الانتظار يمكن عرض النص الرقمي أو رمز تحميل ـ اختر ما تراه مناسبًا
                                    displayText =
                                        item.number; // يفضل عرض الرقم أثناء الانتظار
                                  }

                                  return Text(
                                    displayText,
                                    style: const TextStyle(
                                      fontFamily: tajawalFont,
                                      fontWeight: FontWeight.w600,
                                    ),
                                    maxLines: 1,
                                    overflow: TextOverflow.ellipsis,
                                  );
                                },
                              ),
                              subtitle: Text(
                                'المبلغ: ${_formatWithThousandsSeparator(item.amount)}',
                                style: TextStyle(fontFamily: tajawalFont),
                              ),
                              trailing: Row(
                                mainAxisSize: MainAxisSize.min,
                                children: [
                                  IconButton(
                                    icon: Icon(
                                      Icons.edit_rounded,
                                      color:
                                          Theme.of(context).colorScheme.primary,
                                    ),
                                    onPressed: () => _editTransfer(index),
                                    tooltip: 'تعديل',
                                  ),
                                  IconButton(
                                    icon: Icon(
                                      Icons.delete_forever_rounded,
                                      color:
                                          Theme.of(context).colorScheme.error,
                                    ),
                                    onPressed: () => _removeTransferAt(index),
                                    tooltip: 'حذف',
                                  ),
                                ],
                              ),
                            ),
                          ),
                        );
                      },
                    ),
          ),
        ],
      ),
    );
  }

  void _removeTransferAt(int index) async {
    setState(() {
      _transferList.removeAt(index);
    });
    await _saveTransferList();
  }

  void _editTransfer(int index) {
    var item = _transferList[index];
    int? selectedAmount = item.amount;
    final pinController = TextEditingController(text: item.pin ?? '');

    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      builder: (context) {
        return StatefulBuilder(
          builder: (context, setModal) {
            return Padding(
              padding: EdgeInsets.only(
                bottom: MediaQuery.of(context).viewInsets.bottom,
                top: 16,
                left: 16,
                right: 16,
              ),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  Row(
                    children: [
                      Expanded(
                        child: Text(
                          "تعديل التحويل",
                          style: Theme.of(
                            context,
                          ).textTheme.titleLarge?.copyWith(
                            fontWeight: FontWeight.bold,
                            fontFamily: tajawalFont,
                          ),
                        ),
                      ),
                      IconButton(
                        icon: const Icon(Icons.close_rounded),
                        onPressed: () => Navigator.pop(context),
                        tooltip: 'إغلاق',
                      ),
                    ],
                  ),
                  Text(
                    item.number,
                    style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                      fontFamily: tajawalFont,
                      color: Theme.of(context).colorScheme.onSurfaceVariant,
                    ),
                  ),
                  const Divider(height: 24),
                  Align(
                    alignment: Alignment.centerRight,
                    child: Text(
                      'اختر المبلغ',
                      style: Theme.of(context).textTheme.titleMedium?.copyWith(
                        fontFamily: tajawalFont,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  ),
                  const SizedBox(height: 12),
                  Wrap(
                    spacing: 8,
                    children:
                        _savedAmounts
                            .map(
                              (amt) => ChoiceChip(
                                label: Text(
                                  _formatWithThousandsSeparator(amt),
                                  style: TextStyle(
                                    fontFamily: tajawalFont,
                                    fontWeight: FontWeight.w600,
                                    color:
                                        selectedAmount == amt
                                            ? Theme.of(
                                              context,
                                            ).colorScheme.onPrimary
                                            : Theme.of(
                                              context,
                                            ).colorScheme.primary,
                                  ),
                                ),
                                selected: selectedAmount == amt,
                                onSelected: (_) {
                                  setModal(() {
                                    selectedAmount = amt;
                                  });
                                },
                              ),
                            )
                            .toList(),
                  ),

                  if (_selectedMethod == 'yemenMobile' ||
                      _selectedMethod == 'sabafon')
                    Padding(
                      padding: const EdgeInsets.fromLTRB(0, 24, 0, 16),
                      child: TextField(
                        controller: pinController,
                        keyboardType: TextInputType.number,
                        decoration: const InputDecoration(
                          labelText: "الرقم السري",
                          prefixIcon: Icon(Icons.lock_outline_rounded),
                        ),
                        obscureText: true,
                      ),
                    ),
                  const SizedBox(height: 16),
                  Row(
                    children: [
                      Expanded(
                        child: OutlinedButton(
                          onPressed: () => Navigator.pop(context),
                          child: const Text(
                            "إلغاء",
                            style: TextStyle(fontFamily: tajawalFont),
                          ),
                        ),
                      ),
                      const SizedBox(width: 12),
                      Expanded(
                        child: FilledButton(
                          onPressed: () async {
                            if (selectedAmount == null ||
                                selectedAmount! <= 0) {
                              _showSnackBar(
                                'يرجى اختيار مبلغ صحيح أكبر من صفر',
                              );
                              return;
                            }
                            setState(() {
                              _transferList[index].amount = selectedAmount!;
                              if (_selectedMethod == 'yemenMobile' ||
                                  _selectedMethod == 'sabafon') {
                                final pinStr = pinController.text.trim();
                                _transferList[index].pin =
                                    pinStr.isEmpty ? '' : pinStr;
                              } else {
                                _transferList[index].pin = null;
                              }
                            });
                            await _saveTransferList();
                            Navigator.pop(context);
                          },
                          child: const Text(
                            "حفظ",
                            style: TextStyle(fontFamily: tajawalFont),
                          ),
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(height: 16),
                ],
              ),
            );
          },
        );
      },
    );
  }
}