Vaani/lib/main.dart

import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:logging/logging.dart';
import 'package:vaani/api/server_provider.dart';
import 'package:vaani/db/storage.dart';
import 'package:vaani/features/downloads/providers/download_manager.dart';
import 'package:vaani/features/logging/core/logger.dart';
import 'package:vaani/features/playback_reporting/providers/playback_reporter_provider.dart';
import 'package:vaani/features/player/core/init.dart';
import 'package:vaani/features/player/providers/audiobook_player.dart';
import 'package:vaani/features/shake_detection/providers/shake_detector.dart';
import 'package:vaani/features/sleep_timer/providers/sleep_timer_provider.dart';
import 'package:vaani/router/router.dart';
import 'package:vaani/settings/api_settings_provider.dart';
import 'package:vaani/settings/app_settings_provider.dart';
import 'package:vaani/theme/theme.dart';

final appLogger = Logger('vaani');

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // Configure the root Logger
  await initLogging();

  // initialize the storage
  await initStorage();

  // initialize audio player
  await configurePlayer();

  // run the app
  runApp(
    const ProviderScope(
      child: _EagerInitialization(child: MyApp()),
    ),
  );
}

var routerConfig = const MyAppRouter().config;

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

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final servers = ref.watch(audiobookShelfServerProvider);
    final apiSettings = ref.watch(apiSettingsProvider);

    final needOnboarding = apiSettings.activeUser == null || servers.isEmpty;

    if (needOnboarding) {
      routerConfig.goNamed(Routes.onboarding.name);
    }
    final appSettings = ref.watch(appSettingsProvider);

    final themeSettings = appSettings.themeSettings;
    return DynamicColorBuilder(
      builder: (ColorScheme? lightDynamic, ColorScheme? darkDynamic) {
        // Decide on a colour/brightness scheme based on OS and user settings
        ColorScheme lightColorScheme;
        ColorScheme darkColorScheme;
        if (lightDynamic != null &&
            darkDynamic != null &&
            themeSettings.useMaterialThemeFromSystem) {
          lightColorScheme = lightDynamic.harmonized();
          darkColorScheme = darkDynamic.harmonized();
        } else {
          lightColorScheme = brandLightColorScheme;
          darkColorScheme = brandDarkColorScheme;
        }

        // set the background and surface colors to pure black in the amoled theme
        if (themeSettings.highContrast) {
          darkColorScheme =
              darkColorScheme.copyWith(surface: Colors.black).harmonized();
        }

        final themeLight = ThemeData(
          useMaterial3: true,
          colorScheme: lightColorScheme,
        );
        final themeDark = ThemeData(
          useMaterial3: true,
          colorScheme: darkColorScheme,
          brightness: Brightness.dark,
        );

        try {
          return MaterialApp.router(
            // debugShowCheckedModeBanner: false,
            theme: themeLight,
            darkTheme: themeDark,
            themeMode:
                themeSettings.isDarkMode ? ThemeMode.dark : ThemeMode.light,
            routerConfig: routerConfig,
          );
        } catch (e) {
          debugPrintStack(stackTrace: StackTrace.current, label: e.toString());
          if (needOnboarding) {
            routerConfig.goNamed(Routes.onboarding.name);
          }
          return const SizedBox.shrink();
        }
      },
    );
  }
}

// https://riverpod.dev/docs/essentials/eager_initialization
// Eagerly initialize providers by watching them.
class _EagerInitialization extends ConsumerWidget {
  const _EagerInitialization({required this.child});
  final Widget child;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    // Eagerly initialize providers by watching them.
    // By using "watch", the provider will stay alive and not be disposed.
    try {
      ref.watch(simpleAudiobookPlayerProvider);
      ref.watch(sleepTimerProvider);
      ref.watch(playbackReporterProvider);
      ref.watch(simpleDownloadManagerProvider);
      ref.watch(shakeDetectorProvider);
    } catch (e) {
      debugPrintStack(stackTrace: StackTrace.current, label: e.toString());
    }

    return child;
  }
}