/// Host scaffold: Home + Overview. Settings lives in the app-bar gear.
library;

import 'package:flutter/material.dart';

import 'home_screen.dart';
import 'overview_screen.dart';

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

  @override
  State<MainShell> createState() => _MainShellState();
}

class _MainShellState extends State<MainShell> {
  int _index = 0;

  static const _pages = [
    HomeScreen(),
    OverviewScreen(),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: IndexedStack(
        index: _index,
        children: _pages,
      ),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _index,
        onDestinationSelected: (index) => setState(() => _index = index),
        destinations: const [
          NavigationDestination(
            icon: Icon(Icons.home_outlined),
            selectedIcon: Icon(Icons.home),
            label: 'Home',
          ),
          NavigationDestination(
            icon: Icon(Icons.insights_outlined),
            selectedIcon: Icon(Icons.insights),
            label: 'Overview',
          ),
        ],
      ),
    );
  }
}