import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'package:siro_driver/constant/box_name.dart';
import 'package:trip_overlay_plugin/trip_overlay_plugin.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:device_info_plus/device_info_plus.dart';

import 'constant/api_key.dart';
import 'constant/info.dart';
import 'constant/links.dart';
import 'controller/firebase/firbase_messge.dart';
import 'controller/firebase/local_notification.dart';
import 'controller/functions/background_service.dart';
import 'controller/functions/crud.dart';
import 'controller/home/captin/home_captain_controller.dart';
import 'controller/local/local_controller.dart';
import 'controller/local/translations.dart';
import 'firebase_options.dart';
import 'models/db_sql.dart';
import 'print.dart';
import 'splash_screen_page.dart';
import 'views/home/Captin/orderCaptin/order_request_page.dart';
import 'views/home/Captin/driver_map_page.dart';
import 'controller/profile/setting_controller.dart';
import 'controller/voice_call_controller.dart';

final box = GetStorage();
const storage = FlutterSecureStorage();
DbSql sql = DbSql.instance;
final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
const platform = MethodChannel('com.siro_driver/app_control');

const String backgroundServiceChannelId = 'driver_service_channel';
const String locationServiceChannelId = 'location_service_channel';
const String geolocatorChannelId = 'geolocator_channel';

Future<void> initFirebaseIfNeeded() async {
  if (Firebase.apps.isEmpty) {
    await Firebase.initializeApp(
        options: DefaultFirebaseOptions.currentPlatform);
  } else {
    Firebase.app();
  }
}

Future<bool> requestNotificationPermission() async {
  if (Platform.isAndroid) {
    try {
      final androidInfo = await DeviceInfoPlugin().androidInfo;
      if (androidInfo.version.sdkInt >= 33) {
        final status = await Permission.notification.request();
        if (status.isGranted) return true;
        if (status.isDenied) return false;
        if (status.isPermanentlyDenied) {
          await openAppSettings();
          return false;
        }
      } else {
        return true;
      }
    } catch (e) {
      print('❌ Error requesting notification permission: $e');
      return false;
    }
  }
  return true;
}

Future<void> createAllNotificationChannels() async {
  if (!Platform.isAndroid) return;
  final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      FlutterLocalNotificationsPlugin();

  const AndroidNotificationChannel backgroundChannel =
      AndroidNotificationChannel(backgroundServiceChannelId, 'خدمة السائق',
          description: 'استقبال الطلبات في الخلفية',
          importance: Importance.low,
          playSound: false,
          enableVibration: false,
          showBadge: false);
  const AndroidNotificationChannel locationChannel = AndroidNotificationChannel(
      locationServiceChannelId, 'خدمة الموقع',
      description: 'تتبع موقع السائق',
      importance: Importance.low,
      playSound: false,
      enableVibration: false,
      showBadge: false);
  const AndroidNotificationChannel geolocatorChannel =
      AndroidNotificationChannel(geolocatorChannelId, 'تحديد الموقع',
          description: 'خدمة تحديد الموقع الجغرافي',
          importance: Importance.low,
          playSound: false,
          enableVibration: false,
          showBadge: false);

  try {
    await flutterLocalNotificationsPlugin
        .resolvePlatformSpecificImplementation<
            AndroidFlutterLocalNotificationsPlugin>()
        ?.createNotificationChannel(backgroundChannel);
    await flutterLocalNotificationsPlugin
        .resolvePlatformSpecificImplementation<
            AndroidFlutterLocalNotificationsPlugin>()
        ?.createNotificationChannel(locationChannel);
    await flutterLocalNotificationsPlugin
        .resolvePlatformSpecificImplementation<
            AndroidFlutterLocalNotificationsPlugin>()
        ?.createNotificationChannel(geolocatorChannel);
  } catch (e) {
    print('❌ Error creating notification channels: $e');
  }
}

// ==============================================================================
// 🔴 دوال مساعدة 🔴
// ==============================================================================
String _getVal(List<dynamic> data, int index) {
  if (data.length > index && data[index] != null) {
    return data[index].toString();
  }
  return '';
}

Future<void> _processRejectOrderBackground(List<dynamic> data) async {
  try {
    final box = GetStorage();
    final driverId = box.read(BoxName.driverID);
    String orderId = _getVal(data, 16);

    if (driverId != null && orderId.isNotEmpty) {
      print("📤 Rejecting Order: $orderId");
      await CRUD().post(link: AppLink.addDriverOrder, payload: {
        'driver_id': driverId,
        'order_id': orderId,
        'status': 'Refused'
      });
      print("✅ Order Rejected Silently!");
    }
  } catch (e) {
    print("❌ Error rejecting order: $e");
  }
}

// ==============================================================================
// 🔴 التعامل مع الإشعارات في الخلفية 🔴
// ==============================================================================
@pragma('vm:entry-point')
Future<void> backgroundMessageHandler(RemoteMessage message) async {
  WidgetsFlutterBinding.ensureInitialized();
  await GetStorage.init();

  await TripOverlayPlugin.initialize();

  // 🔴 الاستماع لزر الرفض في الخلفية باستخدام storage 🔴
  TripOverlayPlugin.onTripRejected.listen((tripId) async {
    print("❌ [Background] Overlay Reject Clicked!");
    String? savedTrip = await storage.read(key: 'pending_driver_list');
    if (savedTrip != null) {
      await storage.delete(key: 'pending_driver_list');
      List<dynamic> driverList = jsonDecode(savedTrip);
      await _processRejectOrderBackground(driverList);
    }
  });

  final NotificationController notificationController =
      NotificationController();
  await notificationController.initNotifications();

  String? title = message.data['title'] ?? message.notification?.title;
  String? body = message.data['body'] ?? message.notification?.body;
  String? myListString = message.data['DriverList'];
  String? category = message.data['category'] ?? message.data['type'];

  if (title != null && body != null && myListString != null) {
    notificationController.showOrderNotification(
        title, body, 'ding.wav', myListString);

    if (category == 'Order' || category == 'OrderSpeed' || category == null) {
      List<dynamic> myList = [];
      try {
        myList = jsonDecode(myListString);
      } catch (e) {}

      String orderId = message.data['order_id']?.toString() ?? '';
      if (orderId.isEmpty && myList.isNotEmpty) orderId = myList[0].toString();

      double fare = 0.0;
      double distance = 0.0;
      String passengerName = title;
      String pickup = 'موقع الانطلاق';
      String dropoff = 'موقع الوصول';
      double pLat = 0.0;
      double pLng = 0.0;

      if (myList.isNotEmpty && myList.length > 29) {
        fare = double.tryParse(myList[26].toString()) ?? 0.0;
        distance = double.tryParse(myList[11].toString()) ?? 0.0;
        passengerName = myList[8].toString();
        pickup = myList[29].toString();
        dropoff = myList[30].toString();

        // 🔴 استخراج الإحداثيات للخريطة (تأكد من الاندكس الخاص بخطوط الطول والعرض في مصفوفتك)
        pLat = double.tryParse(myList[0].toString()) ?? 0.0;
        pLng = double.tryParse(myList[1].toString()) ?? 0.0;
      }

      final tripData = TripData(
        tripId: orderId,
        passengerName: passengerName,
        pickupAddress: pickup,
        dropoffAddress: dropoff,
        distanceKm: distance,
        estimatedFare: fare,
        estimatedMinutes: 0,
        pickupLat: pLat, // تمرير خط العرض
        pickupLng: pLng, // تمرير خط الطول
      );

      bool isAppInForeground = box.read(BoxName.isAppInForeground) ?? false;

      if (!isAppInForeground) {
        await TripOverlayPlugin.showOverlay(tripData, autoCloseSeconds: 15);
      }

      // 🔴 الكتابة على القرص مباشرة بدلاً من الرام لضمان انتقالها للتطبيق 🔴
      await storage.write(key: 'pending_driver_list', value: myListString);
    }
  }
}

@pragma('vm:entry-point')
void notificationTapBackground(NotificationResponse notificationResponse) {
  NotificationController().handleNotificationResponse(notificationResponse);
}

void main() {
  runZonedGuarded(() async {
    WidgetsFlutterBinding.ensureInitialized();
    await initFirebaseIfNeeded();
    await WakelockPlus.enable();
    await GetStorage.init();
    await initializeDateFormatting();
    await SystemChrome.setPreferredOrientations(
        [DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);

    await requestNotificationPermission();
    await TripOverlayPlugin.initialize();
    await createAllNotificationChannels();
    await BackgroundServiceHelper.initialize();

    FirebaseMessaging.onBackgroundMessage(backgroundMessageHandler);
    runApp(const MyApp());
  }, (error, stack) {
    final errorString = error.toString();
    if (!errorString.contains('PERMISSION_DENIED') &&
        !errorString.contains('FormatException') &&
        !errorString.contains('Null check operator')) {
      CRUD.addError(error.toString(), stack.toString(), 'main');
    }
  });
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _initApp();
    // 🔥 التقاط رسالة القبول من الأندرويد بشكل مباشر 100% 🔥
    const platformAppControl = MethodChannel('com.siro_driver/app_control');
    platformAppControl.setMethodCallHandler((call) async {
      if (call.method == 'onOverlayTripAccepted') {
        print("✅ [Native Intent] تم التقاط زر القبول بنجاح من الأندرويد!");

        // 🔴 القراءة من القرص مباشرة (يعمل بنجاح بين الـ Isolates) 🔴
        String? savedTrip = await storage.read(key: 'pending_driver_list');

        if (savedTrip != null && savedTrip.isNotEmpty) {
          await storage.delete(key: 'pending_driver_list');
          List<dynamic> driverList = jsonDecode(savedTrip);

          // تنفيذ دالة القبول فوراً
          await _processAcceptOrder(driverList);
        } else {
          print("⚠️ خطأ: لم يتم العثور على بيانات الطلب في الذاكرة!");
        }
      }
    });
  }

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

  Future<void> _initApp() async {
    try {
      if (!Get.isRegistered<NotificationController>()) {
        Get.put(NotificationController());
      }
      if (!Get.isRegistered<FirebaseMessagesController>()) {
        Get.put(FirebaseMessagesController()).getToken();
      }
      if (!Get.isRegistered<SettingController>()) {
        Get.put(SettingController());
      }
      if (!Get.isRegistered<VoiceCallController>()) {
        Get.lazyPut(() => VoiceCallController(), fenix: true);
      }
      await FirebaseMessaging.instance.requestPermission();
      await NotificationController().initNotifications();

      await TripOverlayPlugin.initialize();
      bool isOverlayGranted = await TripOverlayPlugin.isPermissionGranted();
      if (!isOverlayGranted) {
        await TripOverlayPlugin.requestPermission();
      }

      // 🔴 أعدنا الاستماع لأزرار النافذة إلى هنا (المكان الصحيح الذي لا يموت) 🔴
      _listenToOverlayEvents();
    } catch (e) {
      Log.print("Error during _initApp: $e");
    }
  }

  // ==============================================================================
  // 🔴 الاستماع الحي لأزرار النافذة 🔴
  // ==============================================================================
  void _listenToOverlayEvents() {
    TripOverlayPlugin.onTripAccepted.listen((result) async {
      Log.print('✅ [Main Isolate] Trip ACCEPTED via Overlay: ${result.tripId}');
      final savedTrip = box.read('pending_overlay_trip');

      if (savedTrip != null) {
        List<dynamic> driverList = jsonDecode(savedTrip['driverList']);
        box.remove('pending_overlay_trip'); // مسح حتى لا يتكرر

        // تنفيذ قبول الطلب فوراً!
        await _processAcceptOrder(driverList);
      }
    });

    TripOverlayPlugin.onTripRejected.listen((tripId) async {
      Log.print('❌ [Main Isolate] Trip REJECTED via Overlay: $tripId');
      final savedTrip = box.read('pending_overlay_trip');

      if (savedTrip != null) {
        List<dynamic> driverList = jsonDecode(savedTrip['driverList']);
        box.remove('pending_overlay_trip');

        // تنفيذ الرفض الصامت
        await _processRejectOrderBackground(driverList);
      }
    });
  }

  // ==============================================================================
  // 🔴 التحكم بتوجيه التطبيق عند فتحه 🔴
  // ==============================================================================
  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      box.write(BoxName.isAppInForeground, true);
      // تأخير بسيط جداً، لكي نعطي فرصة لـ _listenToOverlayEvents لتعمل أولاً إذا كان الفتح بسبب زر "قبول"
      Future.delayed(const Duration(milliseconds: 500), () {
        _checkPendingTrip();
      });
    } else if (state == AppLifecycleState.paused ||
        state == AppLifecycleState.inactive) {
      box.write(BoxName.isAppInForeground, false);
    }
  }

  void _checkPendingTrip() async {
    // 🔴 القراءة من القرص مباشرة 🔴
    String? savedTrip = await storage.read(key: 'pending_driver_list');

    if (savedTrip != null && savedTrip.isNotEmpty) {
      if (Get.currentRoute == '/') {
        print('⏳ App is still on Splash screen. Postponing notification trip navigation to HomeCaptainController.');
        return;
      }
      await storage.delete(key: 'pending_driver_list');
      List<dynamic> driverList = jsonDecode(savedTrip);

      print('👀 التطبيق فتح من الإشعار أو يدوياً، توجيه لصفحة الطلب...');
      Get.toNamed('/OrderRequestPage', arguments: {
        'myListString': savedTrip,
        'DriverList': driverList,
        'body': 'طلب جديد'
      });
    }
  }

  // ==============================================================================
  // 🟢 دوال معالجة قبول الطلب وتجهيز المتغيرات 🟢
  // ==============================================================================
  bool _isProcessingAccept = false;

  // ==============================================================================
  // 🟢 دوال معالجة قبول الطلب وتجهيز المتغيرات 🟢
  // ==============================================================================
  Future<void> _processAcceptOrder(List<dynamic> data) async {
    if (_isProcessingAccept) {
      print("⏳ _processAcceptOrder: Already accepting order, skipping duplicate request.");
      return;
    }
    _isProcessingAccept = true;

    Get.dialog(
      WillPopScope(
        onWillPop: () async => false,
        child:
            const Center(child: CircularProgressIndicator(color: Colors.white)),
      ),
      barrierDismissible: false,
    );

    try {
      final driverId = box.read(BoxName.driverID);
      String orderId = _getVal(data, 16);
      String passengerToken = _getVal(data, 9);

      print("🚀 Sending Accept Request for Order: $orderId");

      var res = await CRUD().post(
        link: "${AppLink.ride}/rides/acceptRide.php",
        payload: {
          'id': orderId,
          'rideTimeStart': DateTime.now().toString(),
          'status': 'Apply',
          'passengerToken': passengerToken,
          'driver_id': driverId,
        },
      );

      print("📥 Server Response: $res");

      // إغلاق أي ديالوج مفتوح باستخدام المفتاح العالمي لضمان الموثوقية
      if (Get.isDialogOpen == true) {
        navigatorKey.currentState?.pop();
      }

      bool isFailure = false;
      if (res is Map && res['status'] == 'failure') {
        isFailure = true;
      } else if (res == 'failure') isFailure = true;

      if (isFailure) {
        Get.defaultDialog(
          title: "تنبيه",
          middleText: "عذراً، الطلب أخذه سائق آخر.",
          confirmTextColor: Colors.white,
          onConfirm: () => Get.back(),
          textConfirm: "حسناً",
        );
        return;
      }

      if (!Get.isRegistered<HomeCaptainController>()) {
        Get.put(HomeCaptainController(), permanent: true);
      } else {
        Get.find<HomeCaptainController>().changeRideId();
      }

      box.write(BoxName.statusDriverLocation, 'on');
      box.write(BoxName.rideStatus, 'Apply');

      var rideArgs = _buildRideArgs(data);
      box.write(BoxName.rideArguments, rideArgs);

      Get.offAll(() => PassengerLocationMapPage(), arguments: rideArgs);
    } catch (e) {
      if (Get.isDialogOpen == true) {
        navigatorKey.currentState?.pop();
      }
      print("❌ Error in accept process: $e");
      Get.snackbar("خطأ", "حدث خطأ غير متوقع");
    } finally {
      _isProcessingAccept = false;
    }
  }

  Map<String, dynamic> _buildRideArgs(List<dynamic> data) {
    return {
      'passengerLocation': '${_getVal(data, 0)},${_getVal(data, 1)}',
      'passengerDestination': '${_getVal(data, 3)},${_getVal(data, 4)}',
      'Duration': _getVal(data, 4),
      'totalCost': _getVal(data, 26),
      'Distance': _getVal(data, 5),
      'name': _getVal(data, 8),
      'phone': _getVal(data, 10),
      'email': _getVal(data, 28),
      'WalletChecked': _getVal(data, 13),
      'tokenPassenger': _getVal(data, 9),
      'direction':
          'https://www.google.com/maps/dir/${_getVal(data, 0)}/${_getVal(data, 1)}/',
      'DurationToPassenger': _getVal(data, 15),
      'rideId': _getVal(data, 16),
      'passengerId': _getVal(data, 7),
      'driverId': _getVal(data, 18),
      'durationOfRideValue': _getVal(data, 19),
      'paymentAmount': _getVal(data, 2),
      'paymentMethod': _getVal(data, 13) == 'true' ? 'visa' : 'cash',
      'isHaveSteps': _getVal(data, 20),
      'step0': _getVal(data, 21),
      'step1': _getVal(data, 22),
      'step2': _getVal(data, 23),
      'step3': _getVal(data, 24),
      'step4': _getVal(data, 25),
      'passengerWalletBurc': _getVal(data, 26),
      'timeOfOrder': DateTime.now().toString(),
      'totalPassenger': _getVal(data, 2),
      'carType': _getVal(data, 31),
      'kazan': _getVal(data, 32),
      'startNameLocation': _getVal(data, 29),
      'endNameLocation': _getVal(data, 30),
    };
  }

  @override
  Widget build(BuildContext context) {
    final LocaleController localController = Get.put(LocaleController());
    final SettingController settingController = Get.put(SettingController());

    return GetMaterialApp(
      navigatorKey: navigatorKey,
      title: AppInformation.appName,
      translations: MyTranslation(),
      debugShowCheckedModeBanner: false,
      locale: localController.language,
      theme: localController.lightTheme,
      darkTheme: localController.darkTheme,
      themeMode:
          settingController.isDarkMode ? ThemeMode.dark : ThemeMode.light,
      initialRoute: '/',
      getPages: [
        GetPage(name: '/', page: () => SplashScreen()),
        GetPage(name: '/OrderRequestPage', page: () => OrderRequestPage()),
        GetPage(
            name: '/passenger-location-map',
            page: () => PassengerLocationMapPage()),
      ],
    );
  }
}