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

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_intro/flutter_intro.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

import 'core/utils/app_lifecycle_manager.dart';
import 'routes/app_pages.dart';
import 'routes/app_routes.dart';
import 'core/translations/app_translations.dart';
import 'core/theme/app_theme.dart';
import 'core/theme/theme_service.dart';
import 'core/bindings/initial_binding.dart';
import 'core/utils/logger.dart';
import 'data/models/device_images.dart';
import 'core/services/native_localization_sync.dart';
import 'core/services/ai_orb_controller.dart';
import 'data/services/login_service.dart';
import 'modules/meeting/controllers/meeting_home_controller.dart';
import 'modules/splash/controllers/splash_controller.dart';

bool _deepLinkHandlerInitialized = false;

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

  // App 不做横屏适配，锁死竖屏（原生侧 AndroidManifest/Info.plist 也各锁了一道，
  // 这里是 Flutter 侧兜底，避免个别机型仅靠原生配置锁不住）
  await SystemChrome.setPreferredOrientations([
    DeviceOrientation.portraitUp,
  ]);

  // 初始化存储
  await GetStorage.init();

  // 加载环境变量
  await dotenv.load(fileName: ".env");
  Logger.i("Main", "环境变量加载成功");

  // 初始化文件日志
  await Logger.initFileLog();

  // 读一次产品图清单。必须在 runApp 之前 await：设备页第一帧就要取图，
  // 清单没载入的话首屏会闪一下默认图再跳回产品图。
  await DeviceImages.load();

  // 初始化登录服务
  Get.put(LoginService());

  // 延迟初始化深链接处理器，确保Flutter完全准备好
  WidgetsBinding.instance.addPostFrameCallback((_) {
    Future.delayed(const Duration(milliseconds: 1500), () {
      _initDeepLinkHandler();
    });
  });

  runApp(MainApp());
}

// 初始化深链接处理器
void _initDeepLinkHandler() {
  if (_deepLinkHandlerInitialized) return;
  _deepLinkHandlerInitialized = true;

  Logger.d("DeepLink", "初始化深链接处理器");

  const platform = MethodChannel('com.yimai.eaimar/deeplink');

  platform.setMethodCallHandler((call) async {
    Logger.d("DeepLink", "Flutter 收到深链接调用: ${call.method}");

    if (call.method == 'handleDeepLink') {
      final arguments = call.arguments as Map<dynamic, dynamic>;
      Logger.d("DeepLink", "深链接参数: $arguments");

      final url = arguments['url'] as String?;
      if (url != null) {
        Logger.d("DeepLink", "处理深链接 URL: $url");
        await _handleDeepLinkNavigation(url);
      }
      return;
    }

    if (call.method == 'handleSharedFile') {
      final arguments = call.arguments as Map<dynamic, dynamic>;
      final filePath = arguments['filePath'] as String?;
      if (filePath == null || filePath.isEmpty) return;
      await _handleSharedAudioFile(filePath);
      return;
    }
  });

  Logger.i("DeepLink", "深链接处理器初始化完成");
}

// 处理深链接导航
Future<void> _handleDeepLinkNavigation(String url) async {
  Logger.d("DeepLink", "开始处理深链接导航: $url");

  try {
    final uri = Uri.parse(url);
    Logger.d("DeepLink",
        "解析URI: scheme=${uri.scheme}, host=${uri.host}, path=${uri.path}");

    if (uri.scheme == 'deepvoice' && uri.host == 'qqmusic') {
      Logger.i("DeepLink", "检测到QQ音乐登录回调");

      // 等待SplashController注册
      int retryCount = 0;
      const maxRetries = 10;

      while (retryCount < maxRetries) {
        try {
          if (Get.isRegistered<SplashController>()) {
            Logger.i("DeepLink", "找到SplashController，处理QQ音乐登录");
            final controller = Get.find<SplashController>();
            controller.handleQQMusicLogin();
            return;
          }
        } catch (e) {
          Logger.e("DeepLink", "获取SplashController失败", e);
        }

        retryCount++;
        Logger.d("DeepLink", "等待SplashController注册 ($retryCount/$maxRetries)");
        await Future.delayed(const Duration(milliseconds: 500));
      }

      Logger.w("DeepLink", "超时等待SplashController注册");
    }
  } catch (e) {
    Logger.e("DeepLink", "处理深链接时出错", e);
  }
}

Future<void> _handleSharedAudioFile(String filePath) async {
  try {
    if (!File(filePath).existsSync()) {
      Logger.w("DeepLink", "分享文件不存在: $filePath");
      return;
    }

    int retryCount = 0;
    const maxRetries = 10;
    while (retryCount < maxRetries) {
      try {
        if (Get.isRegistered<MeetingHomeController>()) {
          final controller = Get.find<MeetingHomeController>();
          controller.addAudio(filePath);
          return;
        }

        Get.toNamed(
          Routes.meeting,
          arguments: {
            'filePath': filePath,
          },
        );
        return;
      } catch (e) {
        retryCount++;
        await Future.delayed(const Duration(milliseconds: 300));
      }
    }
  } catch (e) {
    Logger.e("DeepLink", "处理分享文件失败", e);
  }
}

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

  @override
  Widget build(BuildContext context) {
    // 在应用构建时立即初始化深链接处理
    _initDeepLinkHandler();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      unawaited(NativeLocalizationSync.syncToNative());
    });
    // 获取保存的主题设置
    final themeMode = ThemeService().getThemeMode();

    return ScreenUtilInit(
        designSize: const Size(375, 812),
        minTextAdapt: true,
        splitScreenMode: true,
        builder: (_, child) {
          return GetMaterialApp(
            title: 'EAIMAR',
            theme: AppTheme.lightTheme,
            darkTheme: AppTheme.darkTheme,
            themeMode: themeMode, // 使用提前获取的主题模式
            initialBinding: InitialBinding(),
            initialRoute: Routes.splash,
            getPages: AppPages.pages,
            routingCallback: (routing) {
              if (Get.isRegistered<AiOrbController>()) {
                Get.find<AiOrbController>().onRouteChanged(routing?.current);
              }
              if (!Get.isRegistered<AppLifecycleManager>()) return;
              unawaited(
                Get.find<AppLifecycleManager>().refreshBleWakeupPolicy(
                  route: routing?.current,
                ),
              );
            },
            debugShowCheckedModeBanner: false,
            translations: AppTranslations(),
            localizationsDelegates: const [
              GlobalMaterialLocalizations.delegate,
              GlobalWidgetsLocalizations.delegate,
              GlobalCupertinoLocalizations.delegate,
            ],
            locale: AppTranslations.deviceLocale(),
            fallbackLocale: AppTranslations.fallbackLocale,
            supportedLocales: AppTranslations.supportedLocales,
            builder: EasyLoading.init(
              builder: (BuildContext context, Widget? widget) {
                EasyLoading.instance.userInteractions = false;
                return MediaQuery(
                  data: MediaQuery.of(context).copyWith(
                    textScaler: TextScaler.noScaling,
                  ),
                  child: Intro(
                    padding: EdgeInsets.zero,
                    // AI 球已改为只在 AI tab 内渲染（见 ai_tab.dart），
                    // 不再作为全局悬浮层叠加在所有页面之上
                    child: widget!,
                  ),
                );
              },
            ),
          );
        });

    // // 使用 ScreenUtilInit 包装整个应用
    // return ScreenUtilInit(
    //   designSize: const Size(375, 812), // 设计稿尺寸，根据你的设计稿调整
    //   minTextAdapt: true,
    //   splitScreenMode: true,
    //   builder: (context, child) {
    //     return GetMaterialApp(
    //       title: 'Eaimar',
    //       theme: AppTheme.lightTheme,
    //       darkTheme: AppTheme.darkTheme,
    //       themeMode: ThemeService().getThemeMode(),
    //       initialRoute: Routes.splash,
    //       getPages: AppPages.pages,
    //       initialBinding: InitialBinding(),
    //       translations: AppTranslations(),
    //       locale: Get.deviceLocale,
    //       fallbackLocale: const Locale('en', 'US'),
    //       debugShowCheckedModeBanner: false,
    //     );
    //   },
    // );
  }
}