import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MaterialApp(
    title: 'Navigation Basics',
    home: FirstRoute(),
  ));
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('First Route'),
      ),
      body: Center(
        child: ElevatedButton(
          child: const Text('Open route'),
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const SecondRoute()),
            );
          },
        ),
      ),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Second Route'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.of(context).restorablePush(_modalBuilder);
          },
          child: const Text('Open Modal'),
        ),
      ),
    );
  }

  @pragma('vm:entry-point')
  static Route<void> _modalBuilder(BuildContext context, Object? arguments) {
    return CupertinoModalPopupRoute<void>(
      builder: (BuildContext context) {
        return CupertinoActionSheet(
          title: const Text('Title'),
          message: const Text('Message'),
          actions: <CupertinoActionSheetAction>[
            CupertinoActionSheetAction(
              child: const Text('Action One'),
              onPressed: () {
                Navigator.pop(context);
              },
            ),
            CupertinoActionSheetAction(
              child: const Text('Action Two'),
              onPressed: () {
                Navigator.pop(context);
              },
            ),
          ],
        );
      },
    );
  }
}