import 'dart:async';
import 'dart:convert';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:onufitness/constants/api_enum_constant.dart';
import 'package:onufitness/constants/constant.dart';
import 'package:onufitness/constants/data/bindings.dart';
import 'package:onufitness/constants/data_constant.dart';
import 'package:onufitness/environment/app_environment.dart';
import 'package:onufitness/firebase_options.dart';
import 'package:onufitness/routes/app_page_router.dart';
import 'package:onufitness/routes/route_constant.dart';
import 'package:onufitness/services/agora/call_services.dart';
import 'package:onufitness/services/local_storage_services/shared_services.dart';
import 'package:onufitness/services/logger_service/logger_service.dart';
import 'package:onufitness/services/network_service/network_service.dart';
import 'package:onufitness/services/notification_services/navigation_controller.dart';
import 'package:onufitness/services/notification_services/notification_service.dart';
import 'package:onufitness/services/socket/socket_service.dart';
import 'package:onufitness/themes/app_theme.dart';
import 'package:sentry_flutter/sentry_flutter.dart';
import 'package:shared_preferences/shared_preferences.dart';

void main() async {
  //...Maintain the order of the code in main method................................................
  WidgetsFlutterBinding.ensureInitialized();
  //.................................................................................................
  // Set Application Environment - Development

  AppEnvironment.setEnvironment(Environment.production);
  final logger = LoggerService();
  logger.log('App starting in ${AppEnvironment.environmentName} mode');

  //.................................................................................................
  SystemChrome.setSystemUIOverlayStyle(
    SystemUiOverlayStyle(
      systemNavigationBarColor: Colors.white,
      statusBarColor: Colors.white,
      statusBarIconBrightness: Brightness.dark,
      systemNavigationBarIconBrightness: Brightness.dark,
    ),
  );

  //.................................................................................................
  await Future.wait([
    SharedPreferences.getInstance().then((value) => preferences = value),
    Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform),
  ]);
  //.................................................................................................
  FirebaseMessaging.onBackgroundMessage(firebaseMessagingBackgroundHandler);
  //.................................................................................................

  //.....................................................q............................................
  // Initialize NotificationController first
  final notifController = Get.put(
    NotificationNavigationController(),
    permanent: true,
  );

  //.................................................................................................
  // Initialize NetworkController
  Get.put(NetworkController());
  //.................................................................................................
  // Set orientation
  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
  //...........................................................................

  
  await Get.putAsync<NotificationService>(
    () async => NotificationService(),
    permanent: true,
  );

 if (SharedServices.isLoggedIn()) {
    await Get.putAsync<AgoraCallService>(() async {
      return await AgoraCallService().init();
    }, permanent: true);
  }
  
  //.................................................................................................

  await SentryFlutter.init(
    (options) {
      options.dsn = sentryDsnId;
      options.sendDefaultPii = true;
      options.attachScreenshot = true;
      options.enableAppLifecycleBreadcrumbs = true;
      options.enableNativeCrashHandling = true;
      options.attachStacktrace = true;
      options.tracesSampleRate = 0.01;

      options.debug = kDebugMode;
      options.diagnosticLevel =
          kDebugMode ? SentryLevel.debug : SentryLevel.error;
      options.enableLogs = kDebugMode;

      options.replay.sessionSampleRate = kDebugMode ? 0.0 : 0.1;
      options.replay.onErrorSampleRate = 1.0;

      options.environment =
          kDebugMode ? sentryDevEnvironment : sentryReleaseEnvironment;
    },
    appRunner: () {
      runApp(SentryWidget(child: MyApp()));
      WidgetsBinding.instance.addPostFrameCallback((_) {
        unawaited(_initializePostFrameServices(logger, notifController));
      });
    },
  );

  //......................................................................

    // runApp(SentryWidget(child: MyApp()));
    //   WidgetsBinding.instance.addPostFrameCallback((_) {
    //     unawaited(_initializePostFrameServices(logger, notifController));
    //   });
}

Future<void> _initializePostFrameServices(
  LoggerService logger,
  NotificationNavigationController notifController,
) async {
  await _handleNotificationLaunch(logger, notifController);

  if (SharedServices.isLoggedIn()) {

    Future.delayed(const Duration(seconds: 1), () {
      if (!Get.isRegistered<SocketService>()) {
        Get.put(SocketService(), permanent: true);
      }
    });
  }
}

Future<void> _handleNotificationLaunch(
  LoggerService logger,
  NotificationNavigationController notifController,
) async {
  final details =
      await globalNotificationsPlugin.getNotificationAppLaunchDetails();
  if (details?.didNotificationLaunchApp ?? false) {
    final payload = details?.notificationResponse?.payload;
    final notificationId = details?.notificationResponse?.id;
    final actionId = details?.notificationResponse?.actionId;
    if (notificationId != null) {
      await globalNotificationsPlugin.cancel(notificationId);
    }

    if (payload != null) {
      try {
        final data = jsonDecode(payload);
        final notificationType = parseNotificationType(
          data['notificationType'],
        );

        if (actionId == 'reject_call') {
          notifController.isCallingNotificationNavigation.value = false;
          // DON'T RETURN - just skip processing
        } else {
          // Only process normal incoming calls
          if (notificationType == ApiEnum.CallingNotification) {
            await globalNotificationsPlugin.cancelAll();
            final channelName = extractChannelName(data);
            if (channelName != null) {
              activeCallNotifications.remove(channelName);
            }
          }

          notifController.setFlagsFromPayload(data);
        }
      } catch (e) {
        logger.error('Error decoding notification payload', error: e);
      }
    }
  }
}


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

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(
      builder: (context, constraints) {
        if (constraints.maxWidth >= 600) {
          return ScreenUtilInit(
            designSize: const Size(600, 960),
            minTextAdapt: true,
            splitScreenMode: true,
            builder: (context, child) {
              return GetMaterialApp(
                initialBinding: MyBinding(),
                debugShowCheckedModeBanner: false,
                initialRoute: RouteConstant.splashScreen,
                getPages: AppPageRouter().getPages,
                title: 'OnUFitness',
                theme: AppTheme.currentTheme,
              );
            },
          );
        } else {
          return ScreenUtilInit(
            designSize: const Size(375, 812),
            minTextAdapt: true,
            splitScreenMode: true,
            builder: (context, child) {
              return GetMaterialApp(
                initialBinding: MyBinding(),
                debugShowCheckedModeBanner: false,
                initialRoute: RouteConstant.splashScreen,
                getPages: AppPageRouter().getPages,
                title: 'OnUFitness',
                theme: AppTheme.currentTheme,
              );
            },
          );
        }
      },
    );
  }
}