import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'config/app_config.dart';
import 'utils/app_theme.dart';
import 'utils/screen_adapter.dart';
import 'utils/force_guide_checker.dart';
import 'routes/app_routes.dart';
import 'constants/app_constants.dart';
import 'controllers/sqlite_storage_controller.dart';

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

  // 初始化SQLite存储
  await SQLiteStorageController.init();

  // 初始化SharedPreferences
  final prefs = await SharedPreferences.getInstance();

  debugPrint('========================================');
  debugPrint('======== 应用启动 - 强制引导页 ========');
  debugPrint('========================================');

  // 1. 先获取保存的版本号
  final savedVersion = prefs.getInt(AppConfig.keyAppVersion);
  debugPrint('保存的版本号: $savedVersion');

  // 2. 如果是首次安装（没有版本号）或者版本不匹配
  bool isFirstInstall =
      savedVersion == null || savedVersion != AppConfig.appVersionCode;
  debugPrint('是否首次安装/升级: $isFirstInstall');

  if (isFirstInstall) {
    debugPrint('--- 首次安装/升级，清空所有配置 ---');
    await prefs.clear();
    debugPrint('配置已清空');

    // 3. 强制设置引导页相关的标志
    await prefs.setBool(AppConfig.keyFirstLaunch, true);
    await prefs.setBool(AppConfig.keyAgreementAccepted, false);
    await prefs.setBool(AppConfig.keyShowGuideOnStartup, false);
    await prefs.setInt(AppConfig.keyAppVersion, AppConfig.appVersionCode);
    debugPrint('已设置 firstLaunch=true');
    debugPrint('已设置 agreementAccepted=false');
    debugPrint('已设置 showGuideOnStartup=false');
    debugPrint('已设置 appVersion=${AppConfig.appVersionCode}');
  }

  // 4. 验证设置是否正确
  final bool firstLaunch = prefs.getBool(AppConfig.keyFirstLaunch) ?? true;
  final bool agreementAccepted =
      prefs.getBool(AppConfig.keyAgreementAccepted) ?? false;
  final int? appVersion = prefs.getInt(AppConfig.keyAppVersion);
  final allKeys = prefs.getKeys();

  debugPrint('--- 验证配置 ---');
  debugPrint('firstLaunch: $firstLaunch');
  debugPrint('agreementAccepted: $agreementAccepted');
  debugPrint('appVersion: $appVersion');
  debugPrint('所有配置项: $allKeys');

  // 5. 强制检查引导页状态
  GuideCheckResult? guideCheckResult;
  try {
    guideCheckResult = await ForceGuideChecker.checkAndValidate(prefs);
    debugPrint('引导页检查结果: ${guideCheckResult.needGuide ? '需要引导页' : '不需要引导页'}');
    debugPrint('原因: ${guideCheckResult.reason}');
  } catch (e) {
    debugPrint('引导页检查异常: $e');
  }

  // 6. 设置屏幕适配
  ScreenAdapter.setPreferredOrientations();
  ScreenAdapter.enableSystemUIOverlay();
  ScreenAdapter.setSystemUIOverlayStyle(statusBarColor: Colors.transparent);

  // 7. 获取初始路由
  String initialRoute = await AppRoutes.getInitialRoute(prefs);

  runApp(MyApp(initialRoute: initialRoute, guideCheckResult: guideCheckResult));
}

class MyApp extends StatelessWidget {
  final String initialRoute;
  final GuideCheckResult? guideCheckResult;

  const MyApp({super.key, required this.initialRoute, this.guideCheckResult});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: AppConstants.appName,
      debugShowCheckedModeBanner: false,
      theme: AppTheme.lightTheme,
      darkTheme: AppTheme.darkTheme,
      themeMode: ThemeMode.system,
      initialRoute: initialRoute,
      onGenerateRoute: AppRoutes.generateRoute,
    );
  }
}