import 'dart:async';

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:hgdj/hj_page/main_page/provider/bottom_bar_provider.dart';
import 'package:hgdj/hj_page/pre_sale/limit_time_provider.dart';
import 'package:hgdj/hj_page/pre_sale/pre_sale_provider.dart';
import 'package:hgdj/hj_page/splash/splash_page.dart';
import 'package:hgdj/hj_utils/codec_support.dart';
import 'package:hgdj/hj_utils/video_view_type.dart';
import 'package:hgdj/routers/router_map.dart';
import 'package:visibility_detector/visibility_detector.dart';
import 'package:hgdj/tools_base/debug_log.dart';
import 'package:hgdj/tools_base/global_store/store.dart';
import 'package:hgdj/tools_base/headphone_monitor.dart';
import 'package:hgdj/tools_base/net/http_manager.dart';
import 'package:hgdj/tools_base/video_download/video_download_manager.dart';
import 'package:hgdj/track_event_manager/device_service.dart';
import 'package:hgdj/track_event_manager/track_session.dart';
// 只引 OKToast 挂载所需符号：oktoast 也导出同名 showToast，全量 import 会与自家 toast.dart 冲突
import 'package:oktoast/oktoast.dart' show OKToast, ToastPosition;
import 'package:provider/provider.dart';
import 'package:ume_core/ume_core.dart';
import 'package:ume_kit_dio/ume_kit_dio.dart';
import 'package:ume_kit_perf/ume_kit_perf.dart';
import 'package:ume_kit_ui/ume_kit_ui.dart';

import 'alert/vip_guide/guide_countdown_dialog.dart';
import 'assets_tool/app_colors.dart';
import 'hj_page/home/provider/home_update_marker_provider.dart';
import 'hj_page/main_page/provider/msg_provider.dart';
import 'hj_page/mine/mine_vip/vip_product_manager.dart';
import 'hj_utils/light_model.dart';

final RouteObserver<ModalRoute<void>> routeObserver =
    RouteObserver<ModalRoute<void>>();

void main() async {
  runZonedGuarded(() async {
    WidgetsFlutterBinding.ensureInitialized();
    // 可见性回调默认攒 500ms 才发，短视频切 tab 会拖半秒才静音；压到 100ms(听不出延迟)。
    // 不设 0：那样滚动中每帧都回调
    VisibilityDetectorController.instance.updateInterval =
        const Duration(milliseconds: 100);
    VideoDownloadManager.instance.init();
    await lightKV.init(); //初始化本地存储(lightKV/MMKV)，其余初始化都依赖它，必须最先
    httpManager.initDefault();
    // 以下五项只读本地 KV / 设备信息、彼此无依赖，并行执行缩短冷启动首帧前耗时
    await Future.wait([
      globalStore.init(), //获取密码
      DeviceInfoService.init(), //获取设备信息
      initVideoViewType(), //视频渲染方式：读本机持久化标记，决定 textureView/platformView
      CodecSupport.init(), //H.265 硬解能力：查芯片能力 + 读本机禁用标记，决定选 265 还是回落 264
    ]);
    await TrackSessionManager()
        .onAppColdStart(); //初始化请求头 sid（依赖 DeviceInfoService）
    WidgetsBinding.instance.addObserver(_TrackLifecycleObserver());
    PromoCountdown.reset(); //优惠倒计时(场景3/4)：app 启动时设定一次起点，全局仅此一次，进程存活期间自然倒数、不重置
    HeadphoneMonitor.instance.start(); //耳机/蓝牙断开、来电等自动暂停视频，防止音频外放泄露隐私
    if (kReleaseMode) {
      runApp(const MyApp());
    } else {
      PluginManager.instance
        ..register(DioInspector(dio: httpManager.dio))
        ..register(Performance())
        ..register(const WidgetInfoInspector())
        ..register(const WidgetDetailInspector());
      runApp(UMEWidget(child: const MyApp()));
    }
  }, (exception, stackTrace) async {
    debugLog('exception = $exception\n stackTrace = $stackTrace');
  });
}

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

  @override
  Widget build(BuildContext context) {
    PaintingBinding.instance.imageCache.maximumSize = 1000;
    PaintingBinding.instance.imageCache.maximumSizeBytes = 500 << 20;

    return AnnotatedRegion<SystemUiOverlayStyle>(
      value: SystemUiOverlayStyle.light.copyWith(
        statusBarColor: Colors.transparent,
        systemNavigationBarColor: Colors.black,
        systemNavigationBarIconBrightness: Brightness.light,
        //Android 10+ 默认会给透明的状态栏/导航栏自动垫一层半透明黑(contrast scrim)，
        //导致短视频等全屏页上下多出一层压暗、且各家 ROM 表现不一，显式关掉统一成无遮罩。
        //改这两个要同步下面 AppBarTheme.systemOverlayStyle，那边会覆盖本处设置
        systemStatusBarContrastEnforced: false,
        systemNavigationBarContrastEnforced: false,
      ),
      child: GestureDetector(
        behavior: HitTestBehavior.translucent,
        onTap: () {
          // 触摸收起键盘
          FocusManager.instance.primaryFocus?.unfocus();
        },
        child: ScreenUtilInit(
          designSize: const Size(428, 927),
          minTextAdapt: true,
          splitScreenMode: true,
          builder: (context, child) {
            return MultiProvider(
              providers: [
                ChangeNotifierProvider.value(value: PreSaleProvider()), //预售
                ChangeNotifierProvider.value(value: globalStore),
                ChangeNotifierProvider.value(value: HomeBottomProvider()),
                ChangeNotifierProvider.value(value: DarkwebBottomProvider()),
                ChangeNotifierProvider.value(value: CommunityBottomProvider()),
                ChangeNotifierProvider.value(
                    value: MineMsgProvider()), //消息中心红点，新人倒计时
                ChangeNotifierProvider.value(
                    value: HomeUpdateMarkerProvider()), //首页最新/今日最新红点
                ChangeNotifierProvider.value(
                    value: vipProductManager), //会员卡列表统一数据源
                ChangeNotifierProvider.value(value: LimitTimeProvider()), //限时活动
              ],
              child: GetMaterialApp(
                // controller 只由 GetBuilder 回收，不跟路由绑定。默认的 full 会把它挂到「注册那刻的栈顶路由」，
                // 弹窗期间新建的 GetBuilder 就被记到弹窗名下，弹窗一关 logic 被删、widget 还在(播放器因此永久转圈)。
                // 只能写在这，写 main() 里会被 GetMaterialApp.build 覆盖回 full。
                // 前提是所有 logic 都走 GetBuilder(init:)——手写 Get.put 的没人回收，要自己 Get.delete
                smartManagement: SmartManagement.onlyBuilder,
                navigatorObservers: [routeObserver],
                debugShowCheckedModeBanner: true,
                initialRoute: SplashPage.routeName,
                getPages: AppRoutes.routePages,
                theme: ThemeData(
                  platform: TargetPlatform.iOS,
                  scaffoldBackgroundColor: Color(0xff0F0F0F),
                  primaryColor: AppColors.primaryColor,
                  unselectedWidgetColor: Color(0xffD8D8D8),
                  highlightColor: Colors.transparent,
                  splashColor: Colors.transparent,
                  tabBarTheme: const TabBarThemeData(
                    dividerColor: Colors.transparent,
                    splashFactory: NoSplash.splashFactory,
                  ),
                  textSelectionTheme: TextSelectionThemeData(
                    cursorColor: AppColors.primaryHighColor,
                  ),
                  appBarTheme: AppBarTheme(
                    centerTitle: true,
                    iconTheme: IconThemeData(color: Colors.white, size: 18),
                    shadowColor: Colors.transparent,
                    elevation: 0,
                    scrolledUnderElevation: 0.0,
                    backgroundColor: Colors.black,
                    titleTextStyle: TextStyle(
                      color: Color(0xE5FFFFFF),
                      fontSize: 18,
                      fontWeight: FontWeight.w600,
                    ),
                    //有 AppBar 的页面由 AppBar 自己下发 overlay style，会盖掉最外层
                    //AnnotatedRegion 的设置，两个 contrastEnforced 必须跟那边保持一致
                    systemOverlayStyle: SystemUiOverlayStyle.light.copyWith(
                      systemStatusBarContrastEnforced: false,
                      systemNavigationBarContrastEnforced: false,
                    ),
                  ),
                  // 全局 BackButton 用 iOS 经典风格箭头（与项目历史 BaseAppBar 视觉一致）
                  actionIconTheme: ActionIconThemeData(
                    backButtonIconBuilder: (context) =>
                        const Icon(Icons.arrow_back_ios),
                  ),
                ),
                builder: (context, child) => OKToast(
                  position: ToastPosition.center,
                  backgroundColor: Colors.black.withValues(alpha: .85),
                  radius: 8,
                  textStyle: const TextStyle(color: Colors.white, fontSize: 14),
                  textPadding:
                      const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
                  child: child!,
                ),
              ),
            );
          },
        ),
      ),
    );
  }
}

class _TrackLifecycleObserver extends WidgetsBindingObserver {
  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    super.didChangeAppLifecycleState(state);
    if (state == AppLifecycleState.paused ||
        state == AppLifecycleState.inactive ||
        state == AppLifecycleState.detached) {
      TrackSessionManager().onAppPause();
    } else if (state == AppLifecycleState.resumed) {
      TrackSessionManager().onAppResume();
    }
  }
}