/// Application entry point: capture a receipt, review line items, save products.
library;

import 'package:flutter/material.dart';

import 'home_shell.dart';
import 'services/app_settings.dart';
import 'services/product_repository.dart';
import 'utils/app_theme.dart';
import 'utils/constants.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(ReceipityApp());
}

class ReceipityApp extends StatefulWidget {
  ReceipityApp({super.key, ProductRepository? repository})
      : repository = repository ?? ProductRepository();

  final ProductRepository repository;

  @override
  State<ReceipityApp> createState() => _ReceipityAppState();
}

class _ReceipityAppState extends State<ReceipityApp> {
  late final AppSettings _settings;

  @override
  void initState() {
    super.initState();
    _settings = AppSettings(widget.repository);
    _settings.addListener(_onSettings);
    _settings.load();
  }

  @override
  void dispose() {
    _settings.removeListener(_onSettings);
    _settings.dispose();
    super.dispose();
  }

  void _onSettings() => setState(() {});

  @override
  Widget build(BuildContext context) {
    return SettingsScope(
      settings: _settings,
      child: MaterialApp(
        title: kAppName,
        debugShowCheckedModeBanner: false,
        theme: AppTheme.light(),
        darkTheme: AppTheme.dark(),
        themeMode: _settings.darkMode ? ThemeMode.dark : ThemeMode.light,
        home: HomeShell(repository: widget.repository),
      ),
    );
  }
}