import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:novyronst/common/help/help_token.dart';
import 'package:novyronst/root/lib_export.dart';
import 'package:novyronst/root/root_page.dart';
import 'package:novyronst/tools/util/ny_device_info.dart';

import 'common/help/help_pages.dart';

void main() async {

  WidgetsFlutterBinding.ensureInitialized();
  await initManage();
  runApp(const RootApp());
}


Future<void> initManage() async {

  await NyDeviceInfo.init();
  await HelpToken().init();
}


class RootApp extends StatefulWidget {
  const RootApp({
    super.key,
    this.home,
    this.locale
  });

  final Widget? home;
  final Locale? locale;

  @override
  State<StatefulWidget> createState() {
    return _RootAppState();
  }
}

class _RootAppState extends State<RootApp> with WidgetsBindingObserver {

  bool _appInForeground = true; //


  @override
  Widget build(BuildContext context) {
    return AnnotatedRegion<SystemUiOverlayStyle>(
      value: const SystemUiOverlayStyle(
        statusBarColor: Colors.white,
        statusBarBrightness: Brightness.dark, // 🔥 iOS 关键：黑色文字
        statusBarIconBrightness: Brightness.dark, // Android
      ),
      child: ScreenUtilInit(
        designSize: Size(375, 812),
        child: GetMaterialApp(
          debugShowCheckedModeBanner: false,
          locale: widget.locale ?? Get.deviceLocale,
          fallbackLocale: const Locale('en'),
          initialBinding: AppBindings(),
          initialRoute: HelpRouters.launcher,
          getPages: HelpPages.routes,
          theme: ThemeData(
            colorScheme: ColorScheme.fromSeed(
              seedColor: ConstColor.themeColor,
            ),
            appBarTheme: AppBarTheme(elevation: 0, centerTitle: true),
            splashColor: Colors.transparent,
            useMaterial3: true,
            scaffoldBackgroundColor: Colors.white,
          ),
          builder: FlutterSmartDialog.init(
            builder: (context, child) {
              return MediaQuery(
                data: MediaQuery.of(
                  context,
                ).copyWith(textScaler: TextScaler.linear(1.0)),
                child: child!,
              );
            },
          ),
          onInit: () {},
        ),
      )
    );
  }

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

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

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    super.didChangeAppLifecycleState(state);

    switch (state) {
      case AppLifecycleState.inactive:
      case AppLifecycleState.paused:
      // 应用进入后台或不活跃状态
        if (_appInForeground) {
          print('💛应用不活跃');
          _appInForeground = false;
          _onAppPaused();
        }
        break;
      case AppLifecycleState.resumed:
      // 应用回到前台
        if (!_appInForeground) {
          print('💚应用活跃');
          _appInForeground = true;
          _onAppResumed();
        }
        break;
      case AppLifecycleState.detached:
      case AppLifecycleState.hidden:
        break;
    }
  }

  // 应用进入后台时的处理
  void _onAppPaused() {
    try {
      // EventClient.eventOLeaveApp();
    } catch (err) { print(err.toString()); }
  }

  /// 应用回到前台时的处理
  void _onAppResumed() {
    try {
      // EventClient.eventEnterApp();
      // EventClient.eventOnline();
    } catch (err) { print(err.toString()); }
  }
}

class AppBindings extends Bindings {

  @override
  void dependencies() {
    // Get.lazyPut(() => UserController());
  }
}



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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: .fromSeed(seedColor: Colors.deepPurple),
      ),
    );
  }
}