import 'dart:async';

import 'package:abawo_bt_app/controller/bluetooth.dart';
import 'package:abawo_bt_app/pages/devices_page.dart';
import 'package:abawo_bt_app/pages/devices_tab_page.dart';
import 'package:abawo_bt_app/src/rust/frb_generated.dart';
import 'package:abawo_bt_app/theme/app_theme.dart';
import 'package:abawo_bt_app/util/sharedPrefs.dart';
import 'package:abawo_bt_app/widgets/app_shell.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:logging/logging.dart';
import 'package:nb_utils/nb_utils.dart';
import 'pages/settings_page.dart';
import 'package:abawo_bt_app/pages/device_details_page.dart';

Future<void> main() async {
  Logger.root.level = Level.ALL; // defaults to Level.INFO
  Logger.root.onRecord.listen((record) {
    debugPrint('${record.level.name}: ${record.time}: ${record.message}');
  });
  await RustLib.init();
  WidgetsFlutterBinding.ensureInitialized();
  await initialize();

  final prefs = await SharedPreferences.getInstance();

  runApp(ProviderScope(overrides: [
    // Override the unimplemented provider with the actual instance
    sharedPreferencesProvider.overrideWithValue(prefs),
  ], child: const AbawoBtApp()));
}

class AbawoBtApp extends ConsumerStatefulWidget {
  const AbawoBtApp({super.key});

  @override
  ConsumerState<AbawoBtApp> createState() => _AbawoBtAppState();
}

class _AbawoBtAppState extends ConsumerState<AbawoBtApp>
    with WidgetsBindingObserver {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    super.dispose();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.hidden ||
        state == AppLifecycleState.paused) {
      if (ref.read(backgroundBluetoothDisconnectSuppressedProvider)) {
        return;
      }
      unawaited(_disconnectBluetoothForBackground());
    }
  }

  Future<void> _disconnectBluetoothForBackground() async {
    final bluetooth = ref.read(bluetoothProvider).value;
    if (bluetooth == null) {
      return;
    }

    await bluetooth.stopScan();
    await bluetooth.disconnect();
  }

  @override
  Widget build(BuildContext context) {
    final themePreference = ref.watch(appThemePreferenceProvider);

    return MaterialApp.router(
      title: 'Abawo BT App',
      theme: AppTheme.light(),
      darkTheme: AppTheme.dark(),
      themeMode: switch (themePreference) {
        AppThemePreference.light => ThemeMode.light,
        AppThemePreference.dark => ThemeMode.dark,
        AppThemePreference.system => ThemeMode.system,
      },
      routerConfig: _router,
      debugShowCheckedModeBanner: false,
    );
  }
}

// Configure GoRouter
final _router = GoRouter(
  navigatorKey: navigatorKey,
  initialLocation: '/devices',
  routes: [
    ShellRoute(
      builder: (context, state, child) => AppShell(
        currentLocation: state.uri.path,
        child: child,
      ),
      routes: [
        GoRoute(
          path: '/devices',
          builder: (context, state) => const DevicesTabPage(),
        ),
        GoRoute(
          path: '/settings',
          builder: (context, state) => const SettingsPage(),
        ),
      ],
    ),
    GoRoute(
      path: '/connect_device',
      builder: (context, state) => const ConnectDevicePage(),
    ),
    GoRoute(
      path: '/device/:deviceAddress',
      builder: (context, state) {
        final deviceAddress = state.pathParameters['deviceAddress']!;
        return DeviceDetailsPage(deviceAddress: deviceAddress);
      },
    ),
  ],
);

/*

import 'package:flutter/material.dart';
import 'package:abawo_bt_app/src/rust/api/simple.dart';
import 'package:abawo_bt_app/src/rust/frb_generated.dart';

Future<void> main() async {
  await RustLib.init();
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('flutter_rust_bridge quickstart')),
        body: Center(
          child: Text(
              'Action: Call Rust `greet("Tom")`\nResult: `${greet(name: "Tom")}`'),
        ),
      ),
    );
  }
}

*/