cpd_2022_zi/lib/pages/main_page.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:smoke_cess_app/pages/pages_service.dart';
import 'package:smoke_cess_app/providers/settings_provider.dart';
import 'package:smoke_cess_app/widgets/missing_config_popup.dart';

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  MyHomePageState createState() => MyHomePageState();
}

class MyHomePageState extends State<MyHomePage> {
  int _selectedIndex = 4;
  bool _isConfigured = false;

  void _onItemTapped(int index) {
    setState(() {
      _isConfigured
          ? _selectedIndex = index
          : showDialog(
              context: context,
              builder: (BuildContext context) {
                return const MissingConfigPopup(
                  title: 'Fehlende Konfiguration',
                  text: 'Bitte QR Code Scannen!',
                );
              });
    });
  }

  @override
  Widget build(BuildContext context) {
    var settingsModel = context.watch<SettingsProvider>();
    var group = settingsModel.settings?.group;
    _isConfigured = settingsModel.initialized;
    return Scaffold(
      appBar: AppBar(
          title: Text(
              '${pages.keys.elementAt(_selectedIndex)} ${_isConfigured ? "Gruppe $group" : ""}')),
      body: Center(
          child: SingleChildScrollView(
              child: pages.values.elementAt(_selectedIndex)['page'])),
      bottomNavigationBar: NavigationBar(
          onDestinationSelected: _onItemTapped,
          selectedIndex: _selectedIndex,
          destinations: pages.keys.map((key) {
            return NavigationDestination(
                icon: pages[key]!['icon'] ??
                    const Icon(Icons.disabled_by_default),
                label: key);
          }).toList()),
    );
  }
}