import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:halkyon_learn_flutter/src/core/bloc/app_bloc_observer.dart';
import 'package:halkyon_learn_flutter/src/core/dependencies/dependencies.dart';
import 'package:halkyon_learn_flutter/src/core/dependencies/dependencies_scope.dart';
import 'package:halkyon_learn_flutter/src/feature/auth/widget/session_gate.dart';
import 'package:halkyon_learn_flutter/src/feature/editor_playground/widget/editor_playground_screen.dart';
import 'package:material_ui/material_ui.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  Bloc.observer = const AppBlocObserver();
  final dependencies = await Dependencies.create();
  runApp(
    DependenciesScope(
      dependencies: dependencies,
      child: const HalkyonLearnApp(),
    ),
  );
}

/// Builds a theme for the given [brightness].
ThemeData _buildTheme(Brightness brightness) {
  return ThemeData(
    colorScheme: ColorScheme.fromSeed(
      seedColor: Colors.blue,
      brightness: brightness,
    ),
  );
}

class const HalkyonLearnApp({super.key}) extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Halkyon Learn',
      theme: _buildTheme(Brightness.light),
      darkTheme: _buildTheme(Brightness.dark),
      // Packages that still import package:flutter/material.dart (Serverpod's sign-in
      // widgets, the rich-text editor) see this app's theme and localizations only
      // through the bridge, since material_ui is a separate copy of that library. The
      // bridge is deprecated on purpose, as a reminder: remove it once they have moved.
      // ignore: deprecated_member_use
      builder: (context, child) => MaterialUiCompatibilityBridge(child: child!),
      home: const SessionGate(child: EditorPlaygroundScreen()),
    );
  }
}