// Chanora Flutter application entry point.
//
// Scaffold only. This file is the minimum viable wiring to demonstrate
// the i18n architecture (DEC-015: English + Chinese Simplified) and to
// give `flutter analyze` and `flutter build linux --debug` something
// to compile. Real product UI lands later when the Chanora Design
// System is implemented per docs/ui-ux/.

import 'package:flutter/material.dart';

import 'l10n/generated/app_localizations.dart';

void main() {
  runApp(const ChanoraApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      onGenerateTitle: (ctx) => AppL10n.of(ctx).appTitle,
      theme: ThemeData(
        useMaterial3: true,
        colorSchemeSeed: const Color(0xFF3F51B5),
      ),
      // DEC-015 (register v0.9.5): English + Chinese Simplified at MVP.
      // i18n-ready architecture; additional locales add an ARB file
      // under lib/l10n and a Locale entry here.
      localizationsDelegates: AppL10n.localizationsDelegates,
      supportedLocales: AppL10n.supportedLocales,
      home: const _HomeScreen(),
    );
  }
}

class _HomeScreen extends StatelessWidget {
  const _HomeScreen();

  @override
  Widget build(BuildContext context) {
    final l10n = AppL10n.of(context);
    final theme = Theme.of(context);
    return Scaffold(
      appBar: AppBar(title: Text(l10n.appTitle)),
      body: Padding(
        padding: const EdgeInsets.all(24),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(l10n.homeGreeting, style: theme.textTheme.headlineSmall),
            const SizedBox(height: 16),
            Container(
              padding: const EdgeInsets.all(12),
              decoration: BoxDecoration(
                color: theme.colorScheme.surfaceContainerHighest,
                borderRadius: BorderRadius.circular(8),
              ),
              child: Text(l10n.homeNotProductionReadyBanner),
            ),
            const SizedBox(height: 24),
            FilledButton(
              onPressed: null, // wired in a later phase
              child: Text(l10n.connectAction),
            ),
          ],
        ),
      ),
    );
  }
}