import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:flutter_native_splash/flutter_native_splash.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:logging/logging.dart';
import 'package:moneymgr_mobile/providers/settings.dart';
import 'package:moneymgr_mobile/services/router/router.dart';
import 'package:moneymgr_mobile/services/storage/prefs.dart';
import 'package:moneymgr_mobile/services/storage/secure_storage.dart';
import 'package:moneymgr_mobile/utils/provider_observer.dart';
import 'package:moneymgr_mobile/utils/theme_utils.dart';

// Inspired from https://github.com/dhafinrayhan/dummymart

Future<void> main() async {
  WidgetsBinding widgetsBinding = WidgetsFlutterBinding.ensureInitialized();

  // We preserve the native splash screen, which will then removed once the main
  // app is inserted to the widget tree.
  FlutterNativeSplash.preserve(widgetsBinding: widgetsBinding);

  // Configure logger
  Logger.root.level = Level.ALL; // defaults to Level.INFO
  Logger.root.onRecord.listen(
    (record) =>
        // ignore: avoid_print
        print('${record.level.name}: ${record.time}: ${record.message}'),
  );

  runApp(
    ProviderScope(
      observers: [AppProviderObserver()],
      child: const MoneyMgrApp(),
    ),
  );
}

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

  @override
  Widget build(BuildContext context) {
    return const _EagerInitialization(child: _MainApp());
  }
}

class _EagerInitialization extends ConsumerWidget {
  const _EagerInitialization({required this.child});

  final Widget child;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final values = [ref.watch(prefsProvider), ref.watch(secureStorageProvider)];

    if (values.every((value) => value.hasValue)) {
      return child;
    }

    return const SizedBox();
  }
}

class _MainApp extends StatefulHookConsumerWidget {
  const _MainApp();

  @override
  ConsumerState<_MainApp> createState() => _MainAppState();
}

class _MainAppState extends ConsumerState<_MainApp> {
  @override
  void initState() {
    super.initState();
    FlutterNativeSplash.remove();
  }

  @override
  Widget build(BuildContext context) {
    final router = ref.watch(routerProvider);
    final themeMode = ref.watch(currentThemeModeProvider);

    final (lightTheme, darkTheme) = useMemoized(
      () => createDualThemeData(
        seedColor: Colors.blue,
        useMaterial3: true,
        transformer: (data) => data.copyWith(
          inputDecorationTheme: const InputDecorationTheme(
            border: OutlineInputBorder(),
          ),
        ),
      ),
    );

    return MaterialApp.router(
      title: 'MoneyMgr',
      themeMode: themeMode,
      theme: lightTheme,
      darkTheme: darkTheme,
      routerConfig: router,
      debugShowCheckedModeBanner: false,
    );
  }
}