اريد تحسين قسم طريقة التحويل الحالية 
في الكود
import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.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';

void main() => runApp(SMSApp());

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

class SMSApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'تحويل رصيد متعدد',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(
          seedColor: const Color(0xFF1A73E8),
          primary: const Color(0xFF1A73E8),
          secondary: const Color(0xFF4285F4),
          tertiary: const Color(0xFF34A853),
          background: const Color(0xFFF8F9FA),
          surface: Colors.white,
          onPrimary: Colors.white,
          onSecondary: Colors.white,
          onBackground: const Color(0xFF202124),
          onSurface: const Color(0xFF202124),
        ),
        useMaterial3: true,
        fontFamily: 'Tajawal',
        appBarTheme: AppBarTheme(
          backgroundColor: const Color(0xFF1A73E8),
          foregroundColor: Colors.white,
          elevation: 0,
          centerTitle: true,
          titleTextStyle: const TextStyle(
            fontSize: 20,
            fontWeight: FontWeight.bold,
          ),
          iconTheme: const IconThemeData(color: Colors.white),
        ),
        cardTheme: CardTheme(
          color: Colors.white,
          elevation: 2,
          margin: const EdgeInsets.all(8),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(16),
          ),
          surfaceTintColor: Colors.white,
        ),
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ElevatedButton.styleFrom(
            backgroundColor: const Color(0xFF1A73E8),
            foregroundColor: Colors.white,
            padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
            elevation: 0,
            textStyle: const TextStyle(
              fontWeight: FontWeight.w600,
              fontSize: 16,
            ),
          ),
        ),
        outlinedButtonTheme: OutlinedButtonThemeData(
          style: OutlinedButton.styleFrom(
            padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
            side: const BorderSide(width: 1.5, color: Color(0xFF1A73E8)),
            textStyle: const TextStyle(fontWeight: FontWeight.w600),
          ),
        ),
        textButtonTheme: TextButtonThemeData(
          style: TextButton.styleFrom(
            foregroundColor: const Color(0xFF1A73E8),
            textStyle: const TextStyle(fontWeight: FontWeight.w600),
          ),
        ),
        snackBarTheme: SnackBarThemeData(
          behavior: SnackBarBehavior.floating,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          backgroundColor: const Color(0xFF1A73E8),
          contentTextStyle: const TextStyle(color: Colors.white),
        ),
        inputDecorationTheme: InputDecorationTheme(
          filled: true,
          fillColor: Colors.grey.shade50,
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(12),
            borderSide: BorderSide.none,
          ),
          focusedBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(12),
            borderSide: const BorderSide(color: Color(0xFF1A73E8), width: 2),
          ),
          contentPadding: const EdgeInsets.symmetric(
            horizontal: 16,
            vertical: 14,
          ),
        ),
        dialogTheme: DialogTheme(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
          ),
          backgroundColor: Colors.white,
          elevation: 8,
          surfaceTintColor: Colors.white,
        ),
        listTileTheme: ListTileThemeData(
          iconColor: const Color(0xFF1A73E8),
          contentPadding: const EdgeInsets.symmetric(horizontal: 16),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
        ),
        dividerTheme: DividerThemeData(
          color: Colors.grey.shade200,
          thickness: 1,
          space: 0,
        ),
        progressIndicatorTheme: const ProgressIndicatorThemeData(
          color: Color(0xFF1A73E8),
        ),
        chipTheme: ChipThemeData(
          backgroundColor: Colors.grey.shade100,
          selectedColor: const Color(0xFF1A73E8),
          secondarySelectedColor: const Color(0xFF1A73E8),
          disabledColor: Colors.grey.shade300,
          labelStyle: const TextStyle(color: Colors.black),
          secondaryLabelStyle: const TextStyle(color: Colors.white),
          brightness: Brightness.light,
          padding: EdgeInsets.symmetric(horizontal: 12, vertical: 4),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        ),
      ),
      home: SMSHomePage(),
    );
  }
}

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

class _SMSHomePageState extends State<SMSHomePage> with WidgetsBindingObserver {
  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;

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

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

  Future<void> _initApp() async {
    _prefs = await SharedPreferences.getInstance();

    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);
  }

  void _showSnackBar(String msg) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(msg),
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
      ),
    );
  }

  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 StatefulBuilder(
          builder: (context, setDialogState) {
            return AlertDialog(
              title: const Text('إعداد المبالغ المفضلة'),
              content: SizedBox(
                width: double.maxFinite,
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    if (_savedAmounts.isEmpty)
                      const Padding(
                        padding: EdgeInsets.all(8.0),
                        child: Text(
                          'الرجاء إدخال المبالغ التي ترغب باستخدامها لاختيارها عند إضافة جهة اتصال',
                          textAlign: TextAlign.center,
                        ),
                      ),
                    if (_savedAmounts.isNotEmpty)
                      Wrap(
                        spacing: 8,
                        runSpacing: 4,
                        children:
                            _savedAmounts
                                .map(
                                  (amt) => Chip(
                                    label: Text('$amt'),
                                    deleteIcon: const Icon(Icons.close),
                                    onDeleted: () {
                                      setDialogState(() {
                                        _savedAmounts.remove(amt);
                                      });
                                    },
                                  ),
                                )
                                .toList(),
                      ),
                    const SizedBox(height: 16),
                    TextField(
                      controller: amountsController,
                      decoration: InputDecoration(
                        labelText: 'إضافة مبلغ جديد',
                        prefixIcon: const Icon(Icons.add),
                        border: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12),
                        ),
                        suffixIcon: IconButton(
                          icon: const Icon(Icons.add_circle_outline),
                          onPressed: () {
                            final input = amountsController.text.trim();
                            final numAmount = int.tryParse(input);
                            if (numAmount == null || numAmount <= 0) {
                              _showSnackBar(
                                'يرجى إدخال مبلغ صحيح وكبير من صفر',
                              );
                              return;
                            }
                            if (_savedAmounts.contains(numAmount)) {
                              _showSnackBar('هذا المبلغ موجود بالفعل');
                              return;
                            }
                            setDialogState(() {
                              _savedAmounts.add(numAmount);
                              _savedAmounts.sort();
                              amountsController.clear();
                            });
                          },
                        ),
                      ),
                      keyboardType: TextInputType.number,
                      onSubmitted: (value) {
                        final numAmount = int.tryParse(value.trim());
                        if (numAmount == null || numAmount <= 0) {
                          _showSnackBar('يرجى إدخال مبلغ صحيح وكبير من صفر');
                          return;
                        }
                        if (_savedAmounts.contains(numAmount)) {
                          _showSnackBar('هذا المبلغ موجود بالفعل');
                          return;
                        }
                        setDialogState(() {
                          _savedAmounts.add(numAmount);
                          _savedAmounts.sort();
                          amountsController.clear();
                        });
                      },
                    ),
                  ],
                ),
              ),
              actions: [
                TextButton(
                  onPressed: () {
                    Navigator.pop(context);
                  },
                  child: const Text('تخطي'),
                ),
                ElevatedButton(
                  onPressed: () async {
                    if (_savedAmounts.isEmpty) {
                      _showSnackBar('الرجاء إدخال مبلغ واحد على الأقل');
                      return;
                    }
                    await _saveSavedAmounts();
                    Navigator.pop(context);
                  },
                  child: const Text('حفظ'),
                ),
              ],
            );
          },
        );
      },
    );
  }

  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: Container(
            padding: const EdgeInsets.all(16),
            child: Wrap(
              spacing: 12,
              children:
                  _savedAmounts
                      .map(
                        (amount) => ChoiceChip(
                          label: Text('$amount'),
                          selected: selectedAmount == amount,
                          onSelected: (_) {
                            selectedAmount = amount;
                            Navigator.pop(context);
                          },
                        ),
                      )
                      .toList(),
            ),
          ),
        );
      },
    );

    return selectedAmount;
  }

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

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

    TextEditingController searchController = TextEditingController();
    String searchQuery = '';

    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      backgroundColor: Colors.transparent,
      builder: (context) {
        return StatefulBuilder(
          builder: (context, setModal) {
            final filteredContacts =
                (searchQuery.isEmpty)
                    ? contacts
                    : contacts.where((contact) {
                      final contactNameLower =
                          contact.displayName.toLowerCase();
                      final queryLower = searchQuery.toLowerCase();

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

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

            return Container(
              decoration: BoxDecoration(
                color: Theme.of(context).colorScheme.surface,
                borderRadius: const BorderRadius.vertical(
                  top: Radius.circular(24),
                ),
              ),
              height: MediaQuery.of(context).size.height * 0.75,
              padding: EdgeInsets.only(
                bottom: MediaQuery.of(context).viewInsets.bottom,
              ),
              child: Column(
                children: [
                  Padding(
                    padding: const EdgeInsets.all(16),
                    child: Row(
                      children: [
                        Expanded(
                          child: TextField(
                            controller: searchController,
                            decoration: InputDecoration(
                              prefixIcon: const Icon(Icons.search),
                              hintText: 'ابحث في جهات الاتصال أو الأرقام',
                              border: OutlineInputBorder(
                                borderRadius: BorderRadius.circular(12),
                              ),
                              isDense: true,
                              contentPadding: const EdgeInsets.symmetric(
                                horizontal: 12,
                                vertical: 12,
                              ),
                            ),
                            onChanged: (value) {
                              setModal(() {
                                searchQuery = value.trim();
                              });
                            },
                          ),
                        ),
                        IconButton(
                          icon: Icon(
                            Icons.close,
                            color: Theme.of(context).colorScheme.onSurface,
                          ),
                          onPressed: () => Navigator.pop(context),
                        ),
                      ],
                    ),
                  ),
                  const Divider(height: 1),
                  Expanded(
                    child:
                        filteredContacts.isEmpty
                            ? Center(
                              child: Text(
                                'لا توجد جهات اتصال تطابق البحث',
                                style: TextStyle(
                                  color: Theme.of(
                                    context,
                                  ).colorScheme.onSurface.withOpacity(0.6),
                                ),
                              ),
                            )
                            : ListView.builder(
                              itemCount: filteredContacts.length,
                              itemBuilder: (context, index) {
                                final contact = filteredContacts[index];
                                final phones = contact.phones;

                                return Card(
                                  margin: const EdgeInsets.symmetric(
                                    horizontal: 12,
                                    vertical: 6,
                                  ),
                                  shape: RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(12),
                                  ),
                                  elevation: 3,
                                  child: Padding(
                                    padding: const EdgeInsets.symmetric(
                                      vertical: 8,
                                      horizontal: 12,
                                    ),
                                    child: Column(
                                      crossAxisAlignment:
                                          CrossAxisAlignment.start,
                                      children: [
                                        ListTile(
                                          contentPadding: EdgeInsets.zero,
                                          leading: CircleAvatar(
                                            radius: 24,
                                            backgroundImage:
                                                (contact.thumbnail != null &&
                                                        contact
                                                            .thumbnail!
                                                            .isNotEmpty)
                                                    ? MemoryImage(
                                                      contact.thumbnail!,
                                                    )
                                                    : null,
                                            child:
                                                (contact.thumbnail == null ||
                                                        contact
                                                            .thumbnail!
                                                            .isEmpty)
                                                    ? Text(
                                                      contact.initials(),
                                                      style: TextStyle(
                                                        fontWeight:
                                                            FontWeight.bold,
                                                        color:
                                                            Theme.of(context)
                                                                .colorScheme
                                                                .onPrimary,
                                                      ),
                                                    )
                                                    : null,
                                            backgroundColor:
                                                Theme.of(
                                                  context,
                                                ).colorScheme.primary,
                                          ),
                                          title: Text(
                                            contact.displayName,
                                            style: const TextStyle(
                                              fontWeight: FontWeight.bold,
                                              fontSize: 16,
                                            ),
                                          ),
                                        ),
                                        const SizedBox(height: 8),
                                        Column(
                                          children:
                                              phones.map((phone) {
                                                final normalized = phone.number
                                                    .replaceAll(
                                                      RegExp(r'[^\d+]'),
                                                      '',
                                                    );

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

                                                return CheckboxListTile(
                                                  contentPadding:
                                                      EdgeInsets.zero,
                                                  value: isSelected,
                                                  title: Text(phone.number),
                                                  controlAffinity:
                                                      ListTileControlAffinity
                                                          .leading,
                                                  onChanged: (val) {
                                                    setModal(() {
                                                      if (val == true) {
                                                        if (!selectedNumbers.any(
                                                          (num) {
                                                            final n =
                                                                num.replaceAll(
                                                                  RegExp(
                                                                    r'[^\d+]',
                                                                  ),
                                                                  '',
                                                                );
                                                            return n ==
                                                                normalized;
                                                          },
                                                        )) {
                                                          selectedNumbers.add(
                                                            phone.number,
                                                          );
                                                        }
                                                      } else {
                                                        selectedNumbers
                                                            .removeWhere((num) {
                                                              final n =
                                                                  num.replaceAll(
                                                                    RegExp(
                                                                      r'[^\d+]',
                                                                    ),
                                                                    '',
                                                                  );
                                                              return n ==
                                                                  normalized;
                                                            });
                                                      }
                                                    });
                                                  },
                                                );
                                              }).toList(),
                                        ),
                                      ],
                                    ),
                                  ),
                                );
                              },
                            ),
                  ),
                  Padding(
                    padding: const EdgeInsets.all(16),
                    child: Row(
                      children: [
                        Expanded(
                          child: OutlinedButton(
                            onPressed: () => Navigator.pop(context),
                            child: const Text('إلغاء'),
                          ),
                        ),
                        const SizedBox(width: 12),
                        Expanded(
                          child: ElevatedButton(
                            onPressed: () async {
                              _savedNumbers = List.from(selectedNumbers);
                              await _saveSavedNumbers();
                              Navigator.pop(context);
                              _showSnackBar('تم حفظ الأرقام المختارة');

                              if (mounted) setState(() {});
                            },
                            child: const Text('حفظ'),
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            );
          },
        );
      },
    );
  }

  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,
      barrierDismissible: false,
      builder: (context) {
        return StatefulBuilder(
          builder: (context, setDialogState) {
            return Dialog(
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(20),
              ),
              child: Container(
                constraints: BoxConstraints(
                  maxHeight: MediaQuery.of(context).size.height * 0.7,
                  minWidth: 300,
                  maxWidth: 400,
                ),
                padding: const EdgeInsets.all(16),
                child: Column(
                  children: [
                    Row(
                      children: [
                        Expanded(
                          child: Text(
                            'تعيين مبلغ لكل رقم',
                            style: TextStyle(
                              fontWeight: FontWeight.bold,
                              fontSize: 18,
                              color: Theme.of(context).colorScheme.onSurface,
                            ),
                          ),
                        ),
                        IconButton(
                          icon: Icon(Icons.close),
                          onPressed: () {
                            Navigator.pop(context);
                          },
                        ),
                      ],
                    ),
                    const Divider(),
                    Expanded(
                      child: Form(
                        key: formKey,
                        child: ListView.separated(
                          shrinkWrap: true,
                          itemCount: tempList.length,
                          separatorBuilder: (_, __) => const Divider(),
                          itemBuilder: (context, index) {
                            final item = tempList[index];
                            return Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  item.displayName ?? item.number,
                                  style: const TextStyle(
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                                const SizedBox(height: 6),
                                DropdownButtonFormField<int>(
                                  decoration: InputDecoration(
                                    labelText: 'المبلغ',
                                    border: OutlineInputBorder(
                                      borderRadius: BorderRadius.circular(12),
                                    ),
                                    contentPadding: const EdgeInsets.symmetric(
                                      horizontal: 12,
                                      vertical: 14,
                                    ),
                                  ),
                                  items:
                                      _savedAmounts
                                          .map(
                                            (e) => DropdownMenuItem(
                                              value: e,
                                              child: Text('$e'),
                                            ),
                                          )
                                          .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,
                                ),
                              ],
                            );
                          },
                        ),
                      ),
                    ),
                    const SizedBox(height: 12),
                    Row(
                      children: [
                        Expanded(
                          child: OutlinedButton(
                            onPressed: () => Navigator.pop(context),
                            child: const Text('إلغاء'),
                          ),
                        ),
                        const SizedBox(width: 12),
                        Expanded(
                          child: ElevatedButton(
                            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,
                                )) {
                                  _transferList.add(
                                    TransferItem(
                                      number: item.number,
                                      amount: item.amount,
                                      pin:
                                          (_selectedMethod == 'yemenMobile' ||
                                                  _selectedMethod == 'sabafon')
                                              ? '1234'
                                              : 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 ??=
                                          '1234';
                                    } else {
                                      _transferList[existingIndex].pin = null;
                                    }
                                  }
                                }
                              }
                              await _saveTransferList();
                              setState(() {});
                              Navigator.pop(context);
                              _showSnackBar(
                                'تم تحديث قائمة التحويل بالمبالغ المحددة',
                              );
                            },
                            child: const Text('حفظ'),
                          ),
                        ),
                      ],
                    ),
                  ],
                ),
              ),
            );
          },
        );
      },
    );
  }

  Future<void> _onUpdateTransferListPressed() async {
    if (_savedNumbers.isEmpty) {
      _showSnackBar('لا توجد أرقام محفوظة. الرجاء إضافتها أولاً.');
      return;
    }
    await _showBatchAmountAssignmentDialog(_savedNumbers);
  }

  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 ?? '1234');

    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      backgroundColor: Colors.transparent,
      builder: (context) {
        return StatefulBuilder(
          builder: (context, setModal) {
            return Container(
              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,
                top: 16,
                left: 16,
                right: 16,
              ),
              child: SingleChildScrollView(
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        Text(
                          "تعديل التحويل",
                          style: TextStyle(
                            fontWeight: FontWeight.bold,
                            fontSize: 18,
                            color: Theme.of(context).colorScheme.onSurface,
                          ),
                        ),
                        IconButton(
                          icon: Icon(
                            Icons.close,
                            color: Theme.of(context).colorScheme.onSurface,
                          ),
                          onPressed: () => Navigator.pop(context),
                        ),
                      ],
                    ),
                    const SizedBox(height: 8),
                    Text(
                      item.number,
                      style: TextStyle(
                        color: Theme.of(
                          context,
                        ).colorScheme.onSurface.withOpacity(0.7),
                        fontWeight: FontWeight.w600,
                      ),
                    ),
                    const Divider(height: 24),
                    Align(
                      alignment: Alignment.centerRight,
                      child: Text(
                        'اختر المبلغ',
                        style: TextStyle(
                          color: Theme.of(context).colorScheme.onSurface,
                          fontWeight: FontWeight.w600,
                        ),
                      ),
                    ),
                    const SizedBox(height: 8),
                    Wrap(
                      spacing: 8,
                      children:
                          _savedAmounts
                              .map(
                                (amt) => ChoiceChip(
                                  label: Text('$amt'),
                                  selected: selectedAmount == amt,
                                  onSelected: (_) {
                                    setModal(() {
                                      selectedAmount = amt;
                                    });
                                  },
                                ),
                              )
                              .toList(),
                    ),
                    if (_selectedMethod == 'yemenMobile' ||
                        _selectedMethod == 'sabafon')
                      Padding(
                        padding: const EdgeInsets.fromLTRB(0, 24, 0, 24),
                        child: TextField(
                          controller: pinController,
                          keyboardType: TextInputType.number,
                          decoration: InputDecoration(
                            labelText: "الرقم السري",
                            prefixIcon: Icon(Icons.lock_outline),
                            border: OutlineInputBorder(
                              borderRadius: BorderRadius.circular(12),
                            ),
                          ),
                          obscureText: true,
                        ),
                      )
                    else
                      const SizedBox(height: 24),
                    Row(
                      children: [
                        Expanded(
                          child: OutlinedButton(
                            onPressed: () => Navigator.pop(context),
                            child: const Text("إلغاء"),
                          ),
                        ),
                        const SizedBox(width: 12),
                        Expanded(
                          child: ElevatedButton(
                            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 ? '1234' : pinStr;
                                } else {
                                  _transferList[index].pin = null;
                                }
                              });
                              await _saveTransferList();
                              Navigator.pop(context);
                            },
                            child: const Text("حفظ"),
                          ),
                        ),
                      ],
                    ),
                  ],
                ),
              ),
            );
          },
        );
      },
    );
  }

  Widget _buildTransferMethodMenu() {
    final Map<String, String> methodsMap = {
      'yemenMobile': 'يمن موبايل',
      'y': 'واي',
      'sabafon': 'سبأفون',
      'you': 'يو',
    };

    return PopupMenuButton<String>(
      icon: const Icon(Icons.compare_arrows),
      tooltip: 'طريقة التحويل',
      onSelected: (value) async {
        setState(() => _selectedMethod = value);
        await _saveSelectedMethod();
        if (_selectedMethod == 'yemenMobile' || _selectedMethod == 'sabafon') {
          for (var item in _transferList) {
            item.pin ??= '1234';
          }
        } else {
          for (var item in _transferList) {
            item.pin = null;
          }
        }
        setState(() {});
      },
      itemBuilder:
          (_) =>
              methodsMap.entries
                  .map(
                    (entry) => PopupMenuItem(
                      value: entry.key,
                      child: Text(entry.value),
                    ),
                  )
                  .toList(),
    );
  }

  String _buildUssdCode(TransferItem item) {
    final number = item.number;
    final amount = item.amount.toString();
    final pin = item.pin ?? '1234';

    switch (_selectedMethod) {
      case 'yemenMobile':
        return '*888*$amount*$number*$pin#';
      case 'y':
        return '*109*$amount*$number#';
      case 'sabafon':
        return '*123*$pin*$number*$amount#';
      case 'you':
        return '*130*$number*$amount#';
      default:
        return '';
    }
  }

  Future<void> _startTransferSequence() async {
    if (_transferList.isEmpty) {
      _showSnackBar("لا توجد معاملات للتحويل");
      return;
    }

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

    setState(() {
      _isTransferring = true;
      _stopTransferRequested = false;
    });
    _transferLogs.clear();

    List<TransferItem> tempTransferList = List.from(_transferList);

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

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

      final encodedUssd = Uri.encodeComponent(ussdCode);
      final Uri uri = Uri.parse('tel:$encodedUssd');

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

      try {
        if (await canLaunchUrl(uri)) {
          await launchUrl(uri);

          _transferLogs.add({
            'number': item.number,
            'amount': item.amount,
            'success': true,
            'method': _selectedMethod,
          });

          setState(() {
            _transferList.removeWhere((t) => t.number == item.number);
            _savedNumbers.removeWhere(
              (num) => _normalizeNumber(num) == _normalizeNumber(item.number),
            );

            if (_selectedQuickNumber == item.number)
              _selectedQuickNumber = null;
          });
          await _saveTransferList();
          await _saveSavedNumbers();

          await Future.delayed(const Duration(seconds: 10));
        } else {
          _transferLogs.add({
            'number': item.number,
            'amount': item.amount,
            'success': false,
            'method': _selectedMethod,
            'error': 'تعذر تشغيل رمز USSD',
          });
        }
      } catch (e) {
        _transferLogs.add({
          'number': item.number,
          'amount': item.amount,
          'success': false,
          'method': _selectedMethod,
          'error': e.toString(),
        });
      }
    }

    setState(() => _isTransferring = false);
    if (!_stopTransferRequested) {
      _showSnackBar("تمت جميع عمليات التحويل");
    }
  }

  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;
    }
  }

  void _showTransferLogsDialog() {
    showDialog(
      context: context,
      builder: (context) {
        return Dialog(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(20),
          ),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Padding(
                padding: const EdgeInsets.all(16),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Text(
                      'سجل عمليات التحويل',
                      style: TextStyle(
                        fontSize: 18,
                        fontWeight: FontWeight.bold,
                        color: Theme.of(context).colorScheme.onSurface,
                      ),
                    ),
                    IconButton(
                      icon: const Icon(Icons.close),
                      onPressed: () => Navigator.pop(context),
                    ),
                  ],
                ),
              ),
              const Divider(height: 1),
              SizedBox(
                height: 300,
                width: double.maxFinite,
                child:
                    _transferLogs.isEmpty
                        ? Center(
                          child: Text(
                            'لا توجد عمليات تحويل حتى الآن',
                            style: TextStyle(
                              color: Theme.of(
                                context,
                              ).colorScheme.onSurface.withOpacity(0.6),
                            ),
                          ),
                        )
                        : ListView.builder(
                          itemCount: _transferLogs.length,
                          itemBuilder: (_, i) {
                            final log = _transferLogs[i];
                            final success = log['success'] as bool;
                            return ListTile(
                              leading: Container(
                                width: 36,
                                height: 36,
                                decoration: BoxDecoration(
                                  color:
                                      success
                                          ? Colors.green.shade50
                                          : Colors.red.shade50,
                                  shape: BoxShape.circle,
                                ),
                                child: Icon(
                                  success ? Icons.check : Icons.error,
                                  color: success ? Colors.green : Colors.red,
                                ),
                              ),
                              title: Text(
                                '${_getMethodName(log['method'])} - ${log['number']}',
                                style: TextStyle(
                                  fontWeight: FontWeight.w500,
                                  color:
                                      Theme.of(context).colorScheme.onSurface,
                                ),
                              ),
                              subtitle: Text(
                                'المبلغ: ${log['amount']}',
                                style: TextStyle(
                                  color: Theme.of(
                                    context,
                                  ).colorScheme.onSurface.withOpacity(0.6),
                                ),
                              ),
                              trailing:
                                  !success
                                      ? Tooltip(
                                        message:
                                            log['error'] ?? 'خطأ غير معروف',
                                        child: const Icon(
                                          Icons.info_outline,
                                          color: Colors.red,
                                        ),
                                      )
                                      : null,
                            );
                          },
                        ),
              ),
              Padding(
                padding: const EdgeInsets.all(16),
                child: ElevatedButton(
                  onPressed: () => Navigator.pop(context),
                  child: const Text('إغلاق'),
                ),
              ),
            ],
          ),
        );
      },
    );
  }

  void _showAmountsManagementDialog() async {
    final amountsController = TextEditingController();

    await showDialog(
      context: context,
      builder: (context) {
        return StatefulBuilder(
          builder: (context, setDialogState) {
            return AlertDialog(
              title: const Text('إدارة المبالغ المحفوظة'),
              content: SizedBox(
                width: double.maxFinite,
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    if (_savedAmounts.isEmpty)
                      const Padding(
                        padding: EdgeInsets.all(8.0),
                        child: Text(
                          'لا توجد مبالغ محفوظة حالياً',
                          textAlign: TextAlign.center,
                        ),
                      ),
                    if (_savedAmounts.isNotEmpty)
                      Wrap(
                        spacing: 8,
                        runSpacing: 4,
                        children:
                            _savedAmounts
                                .map(
                                  (amt) => Chip(
                                    label: Text('$amt'),
                                    deleteIcon: const Icon(Icons.close),
                                    onDeleted: () {
                                      setDialogState(() {
                                        _savedAmounts.remove(amt);
                                      });
                                    },
                                  ),
                                )
                                .toList(),
                      ),
                    const SizedBox(height: 16),
                    TextField(
                      controller: amountsController,
                      decoration: InputDecoration(
                        labelText: 'إضافة مبلغ جديد',
                        prefixIcon: const Icon(Icons.add),
                        border: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12),
                        ),
                        suffixIcon: IconButton(
                          icon: const Icon(Icons.add_circle_outline),
                          onPressed: () {
                            final input = amountsController.text.trim();
                            final numAmount = int.tryParse(input);
                            if (numAmount == null || numAmount <= 0) {
                              _showSnackBar(
                                'يرجى إدخال مبلغ صحيح وكبير من صفر',
                              );
                              return;
                            }
                            if (_savedAmounts.contains(numAmount)) {
                              _showSnackBar('هذا المبلغ موجود بالفعل');
                              return;
                            }
                            setDialogState(() {
                              _savedAmounts.add(numAmount);
                              _savedAmounts.sort();
                              amountsController.clear();
                            });
                          },
                        ),
                      ),
                      keyboardType: TextInputType.number,
                      onSubmitted: (value) {
                        final numAmount = int.tryParse(value.trim());
                        if (numAmount == null || numAmount <= 0) {
                          _showSnackBar('يرجى إدخال مبلغ صحيح وكبير من صفر');
                          return;
                        }
                        if (_savedAmounts.contains(numAmount)) {
                          _showSnackBar('هذا المبلغ موجود بالفعل');
                          return;
                        }
                        setDialogState(() {
                          _savedAmounts.add(numAmount);
                          _savedAmounts.sort();
                          amountsController.clear();
                        });
                      },
                    ),
                  ],
                ),
              ),
              actions: [
                TextButton(
                  onPressed: () => Navigator.pop(context),
                  child: const Text('إغلاق'),
                ),
                ElevatedButton(
                  onPressed: () async {
                    await _saveSavedAmounts();
                    Navigator.pop(context);
                    _showSnackBar('تم حفظ المبالغ بنجاح');
                  },
                  child: const Text('حفظ'),
                ),
              ],
            );
          },
        );
      },
    );
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('تحويل رصيد متعدد'),
        actions: [
          IconButton(
            icon: const Icon(Icons.contacts),
            tooltip: 'إدارة الأرقام المحفوظة',
            onPressed: _showSavedNumbersSelection,
          ),
          IconButton(
            icon: const Icon(Icons.attach_money),
            tooltip: 'إدارة المبالغ المحفوظة',
            onPressed: _showAmountsManagementDialog,
          ),
          _buildTransferMethodMenu(),
        ],
      ),
      floatingActionButton: FloatingActionButton.extended(
        icon:
            _isTransferring
                ? const Icon(Icons.stop)
                : const Icon(Icons.send_rounded),
        label:
            _isTransferring
                ? Row(
                  mainAxisSize: MainAxisSize.min,
                  children: const [
                    SizedBox(
                      width: 20,
                      height: 20,
                      child: CircularProgressIndicator(
                        color: Colors.white,
                        strokeWidth: 2,
                      ),
                    ),
                    SizedBox(width: 8),
                    Text('إيقاف التحويل'),
                  ],
                )
                : const Text('إجراء التحويلات'),
        onPressed:
            _isTransferring ? _stopTransferSequence : _startTransferSequence,
      ),
      bottomNavigationBar:
          (_transferLogs.isNotEmpty)
              ? Padding(
                padding: const EdgeInsets.all(12),
                child: ElevatedButton.icon(
                  icon: const Icon(Icons.history),
                  label: const Text('عرض سجل التحويلات'),
                  onPressed: _showTransferLogsDialog,
                  style: ElevatedButton.styleFrom(
                    minimumSize: const Size.fromHeight(48),
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(24),
                    ),
                  ),
                ),
              )
              : null,
      body: Column(
        children: [
          Card(
            margin: const EdgeInsets.all(12),
            child: Padding(
              padding: const EdgeInsets.all(16),
              child: Column(
                children: [
                  Row(
                    children: [
                      Icon(
                        Icons.info_outline,
                        color: Theme.of(context).colorScheme.primary,
                      ),
                      const SizedBox(width: 8),
                      Text(
                        'طريقة التحويل الحالية',
                        style: TextStyle(
                          fontWeight: FontWeight.bold,
                          color: Theme.of(context).colorScheme.onSurface,
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(height: 8),
                  Text(
                    _getMethodName(_selectedMethod),
                    style: TextStyle(
                      fontSize: 16,
                      color: Theme.of(
                        context,
                      ).colorScheme.onSurface.withOpacity(0.8),
                    ),
                  ),
                  const SizedBox(height: 12),
                  ElevatedButton.icon(
                    icon: const Icon(Icons.refresh),
                    label: const Text('ربط المبالغ بجهات الاتصال'),
                    onPressed: _onUpdateTransferListPressed,
                  ),
                ],
              ),
            ),
          ),

          if (_savedNumbers.isNotEmpty)
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    'اختيار رقم سريع للتحويل',
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 16,
                      color: Theme.of(
                        context,
                      ).colorScheme.onSurface.withOpacity(0.8),
                    ),
                  ),
                  const SizedBox(height: 8),
                  SizedBox(
                    height: 80,
                    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 Stack(
                              clipBehavior: Clip.none,
                              children: [
                                GestureDetector(
                                  onTap: () {
                                    setState(() {
                                      _selectedQuickNumber =
                                          (isSelected) ? null : number;

                                      if (_selectedQuickNumber != null) {
                                        if (!_transferList.any(
                                          (e) => e.number == number,
                                        )) {
                                          final defaultAmount =
                                              _savedAmounts.isNotEmpty
                                                  ? _savedAmounts.first
                                                  : 0;
                                          _transferList.add(
                                            TransferItem(
                                              number: number,
                                              amount: defaultAmount,
                                              pin:
                                                  (_selectedMethod ==
                                                              'yemenMobile' ||
                                                          _selectedMethod ==
                                                              'sabafon')
                                                      ? '1234'
                                                      : null,
                                            ),
                                          );
                                          _saveTransferList();
                                        }
                                      }
                                    });
                                  },
                                  child: Container(
                                    width: 140,
                                    padding: const EdgeInsets.symmetric(
                                      horizontal: 12,
                                      vertical: 8,
                                    ),
                                    decoration: BoxDecoration(
                                      color:
                                          isSelected
                                              ? Theme.of(
                                                context,
                                              ).colorScheme.primary
                                              : Theme.of(
                                                context,
                                              ).chipTheme.backgroundColor,
                                      borderRadius: BorderRadius.circular(20),
                                      boxShadow:
                                          isSelected
                                              ? [
                                                BoxShadow(
                                                  color: Theme.of(context)
                                                      .colorScheme
                                                      .primary
                                                      .withOpacity(0.3),
                                                  blurRadius: 8,
                                                  offset: const Offset(0, 3),
                                                ),
                                              ]
                                              : null,
                                    ),
                                    child: Row(
                                      children: [
                                        CircleAvatar(
                                          radius: 24,
                                          backgroundColor:
                                              isSelected
                                                  ? Theme.of(
                                                    context,
                                                  ).colorScheme.onPrimary
                                                  : Theme.of(
                                                    context,
                                                  ).colorScheme.primary,
                                          child: Text(
                                            initials,
                                            style: TextStyle(
                                              color:
                                                  isSelected
                                                      ? Theme.of(
                                                        context,
                                                      ).colorScheme.primary
                                                      : Colors.white,
                                              fontWeight: FontWeight.bold,
                                              fontSize: 18,
                                            ),
                                          ),
                                        ),
                                        const SizedBox(width: 12),
                                        Expanded(
                                          child: Text(
                                            displayText ?? number,
                                            style: TextStyle(
                                              color:
                                                  isSelected
                                                      ? Colors.white
                                                      : Theme.of(context)
                                                              .chipTheme
                                                              .labelStyle
                                                              ?.color ??
                                                          Colors.black,
                                              fontWeight: FontWeight.w600,
                                              fontSize: 14,
                                            ),
                                            overflow: TextOverflow.ellipsis,
                                            maxLines: 2,
                                          ),
                                        ),
                                      ],
                                    ),
                                  ),
                                ),
                                Positioned(
                                  top: -6,
                                  right: -6,
                                  child: GestureDetector(
                                    onTap: () async {
                                      setState(() {
                                        _savedNumbers.remove(number);
                                        _transferList.removeWhere(
                                          (t) => t.number == number,
                                        );
                                        if (_selectedQuickNumber == number)
                                          _selectedQuickNumber = null;
                                      });
                                      await _saveSavedNumbers();
                                      await _saveTransferList();
                                      _showSnackBar('تم إزالة $displayText');
                                    },
                                    child: Container(
                                      decoration: const BoxDecoration(
                                        shape: BoxShape.circle,
                                        color: Colors.redAccent,
                                      ),
                                      padding: const EdgeInsets.all(4),
                                      child: const Icon(
                                        Icons.close,
                                        size: 18,
                                        color: Colors.white,
                                      ),
                                    ),
                                  ),
                                ),
                              ],
                            );
                          },
                        );
                      },
                    ),
                  ),
                ],
              ),
            ),

          const Divider(height: 1),

          Expanded(
            child:
                _transferList.isEmpty
                    ? Center(
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Icon(
                            Icons.phone_iphone_outlined,
                            size: 64,
                            color: Theme.of(
                              context,
                            ).colorScheme.onSurface.withOpacity(0.3),
                          ),
                          const SizedBox(height: 16),
                          Text(
                            'لا توجد عمليات تحويل',
                            style: TextStyle(
                              fontSize: 18,
                              color: Theme.of(
                                context,
                              ).colorScheme.onSurface.withOpacity(0.6),
                            ),
                          ),
                          const SizedBox(height: 8),
                          Text(
                            'أضف الأرقام المحفوظة أولاً',
                            style: TextStyle(
                              color: Theme.of(
                                context,
                              ).colorScheme.onSurface.withOpacity(0.5),
                            ),
                          ),
                        ],
                      ),
                    )
                    : ListView.builder(
                      itemCount: _transferList.length,
                      itemBuilder: (context, index) {
                        final item = _transferList[index];
                        return Dismissible(
                          key: Key('${item.number}_$index'),
                          background: Container(
                            margin: const EdgeInsets.symmetric(
                              horizontal: 12,
                              vertical: 6,
                            ),
                            decoration: BoxDecoration(
                              color: Colors.red.shade50,
                              borderRadius: BorderRadius.circular(16),
                            ),
                            alignment: Alignment.centerRight,
                            padding: const EdgeInsets.only(right: 24),
                            child: Icon(
                              Icons.delete,
                              color: Colors.red.shade400,
                            ),
                          ),
                          onDismissed: (direction) => _removeTransferAt(index),
                          child: Card(
                            margin: const EdgeInsets.symmetric(
                              horizontal: 12,
                              vertical: 6,
                            ),
                            child: ListTile(
                              leading: Container(
                                width: 40,
                                height: 40,
                                decoration: BoxDecoration(
                                  color: Theme.of(
                                    context,
                                  ).colorScheme.primary.withOpacity(0.1),
                                  shape: BoxShape.circle,
                                ),
                                child: Icon(
                                  Icons.phone_android,
                                  color: Theme.of(context).colorScheme.primary,
                                ),
                              ),
                              title: Text(
                                item.number,
                                style: TextStyle(
                                  fontWeight: FontWeight.w500,
                                  color:
                                      Theme.of(context).colorScheme.onSurface,
                                ),
                              ),
                              subtitle: Text(
                                'المبلغ: ${item.amount}',
                                style: TextStyle(
                                  color: Theme.of(
                                    context,
                                  ).colorScheme.onSurface.withOpacity(0.6),
                                ),
                              ),
                              trailing: Row(
                                mainAxisSize: MainAxisSize.min,
                                children: [
                                  IconButton(
                                    icon: Icon(
                                      Icons.edit,
                                      color:
                                          Theme.of(context).colorScheme.primary,
                                    ),
                                    onPressed: () => _editTransfer(index),
                                    tooltip: 'تعديل',
                                  ),
                                  IconButton(
                                    icon: Icon(
                                      Icons.delete_forever,
                                      color: Colors.red.shade400,
                                    ),
                                    onPressed: () => _removeTransferAt(index),
                                    tooltip: 'حذف',
                                  ),
                                ],
                              ),
                            ),
                          ),
                        );
                      },
                    ),
          ),
        ],
      ),
    );
  }
}

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