import 'package:halkyon_ui/halkyon_ui.dart';
import 'package:material_ui/material_ui.dart';

void main() {
  registerFontLicenses();
  runApp(const ExampleApp());
}

/// An app set up as Halkyon's are: the shared theme in both brightnesses,
/// the package's texts beside Material's (from material_ui, whose own
/// delegates serve its widgets), and snack bars fitted to the window.
class const ExampleApp({
  /// The language, the device's when null.
  final Locale? locale,
  super.key,
}) extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(
    title: 'Halkyon Example',
    theme: appTheme(Brightness.light),
    darkTheme: appTheme(Brightness.dark),
    locale: locale,
    localizationsDelegates: const [
      HalkyonUiLocalizations.delegate,
      ...GlobalMaterialLocalizations.delegates,
    ],
    supportedLocales: HalkyonUiLocalizations.supportedLocales,
    builder: (context, child) => FittedSnackBars(child: child!),
    home: const _Home(),
  );
}

class const _Home() extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final scheme = Theme.of(context).colorScheme;
    return TopGradient(
      background: scheme.surface,
      child: Scaffold(
        backgroundColor: Colors.transparent,
        appBar: AppBar(backgroundColor: Colors.transparent),
        body: Center(
          child: ConstrainedBox(
            constraints: const BoxConstraints(
              maxWidth: readableContentMaxWidth,
            ),
            child: Padding(
              padding: const EdgeInsets.all(16),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  const BrandWordmark(product: 'Example'),
                  const SizedBox(height: 24),
                  SectionCard(
                    child: Builder(
                      builder: (context) => FilledButton.tonal(
                        onPressed: () => confirmDestructiveAction(
                          context,
                          title: 'Delete everything?',
                          message: 'It can’t be undone.',
                          confirmLabel: 'Delete',
                        ),
                        child: const Text('Delete'),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}