import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:skywood/global/client/event_client.dart';
import 'package:skywood/global/request/app_request.dart';
import 'package:skywood/global/tool/sky_routers.dart';
import 'package:skywood/main/main_root.dart';
import 'package:skywood/pages/controllers/user_controller.dart';
import 'package:skywood/utils/tools/sky_device_info.dart';
import 'package:skywood/utils/tools/token_manage.dart';

import 'global/const/common_color.dart';
import 'global/language/app_language.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await initServices();

  Locale? locale = await AppLanguage.getLocale();
  runApp(ComApp(home: MainRoot(), locale: locale));
}

Future<void> initServices() async {

  await SkyDeviceInfo.init();
  await TokenManager().init();
  await Get.putAsync(() async => UserController());
}

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

  final Widget home;
  final Locale? locale;

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

class _ComAppState extends State<ComApp> with WidgetsBindingObserver {

  bool _appInForeground = true; // 跟踪应用是否在前台


  @override
  Widget build(BuildContext context) {
    // Locale locale = await AppLanguage.getLocale();
    return ScreenUtilInit(
      designSize: Size(375, 812),
      child: GetMaterialApp(
        debugShowCheckedModeBanner: false,
        translations: AppLanguage(),
        locale: widget.locale ?? Get.deviceLocale,
        fallbackLocale: const Locale('en'),
        initialBinding: AppBindings(),
        initialRoute: SkyPages.initial,
        getPages: SkyPages.routes,
        theme: ThemeData(
          colorScheme: ColorScheme.fromSeed(
            seedColor: CommonColor.primacyColor,
          ),
          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());
  }
}