import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';

import 'app_mode/app_mode_cubit.dart';
import 'ui/app_shell.dart';
import 'ui/dmc_colors.dart';
import 'ui/screens/library/library_screen.dart';
import 'ui/screens/settings/settings_screen.dart';

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

  // App laeuft ausschliesslich im Landscape-Vollbild (Prototyp-Referenz:
  // Kartenansicht nutzt den gesamten Bildschirm ohne System-Chrome).
  await SystemChrome.setPreferredOrientations([
    DeviceOrientation.landscapeLeft,
    DeviceOrientation.landscapeRight,
  ]);
  await SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);

  runApp(const DmcApp());
}

final _router = GoRouter(
  routes: [
    GoRoute(path: '/', builder: (context, state) => const AppShell()),
    GoRoute(
      path: '/settings',
      builder: (context, state) => const SettingsScreen(),
    ),
    GoRoute(
      path: '/library',
      builder: (context, state) => const LibraryScreen(),
    ),
  ],
);

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

  @override
  Widget build(BuildContext context) {
    return ProviderScope(
      child: BlocProvider(
        create: (_) => AppModeCubit(),
        child: MaterialApp.router(
          title: 'Drone Mission Control',
          debugShowCheckedModeBanner: false,
          theme: ThemeData(
            useMaterial3: true,
            brightness: Brightness.dark,
            scaffoldBackgroundColor: const Color(0xFF0F0F0F),
            colorScheme: ColorScheme.fromSeed(
              seedColor: DmcColors.setBlue,
              brightness: Brightness.dark,
            ),
          ),
          routerConfig: _router,
        ),
      ),
    );
  }
}