flutter_wordle/lib/duel_setup_screen.dart

import 'package:flutter/material.dart';

import 'duel_game_screen.dart';

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

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

class _DuelSetupScreenState extends State<DuelSetupScreen> {
  int? _numberOfTurns;
  String? _errorMessage;

  void _submitTurns() {
    if (_numberOfTurns != null && _numberOfTurns! > 0) {
      Navigator.push(
        context,
        MaterialPageRoute(
          builder: (context) => DuelGameScreen(numberOfTurns: _numberOfTurns!),
        ),
      );
    } else {
      setState(() {
        _errorMessage = "Please enter a valid number of turns.";
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Duel Setup'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            const Text(
              'Enter the number of turns for the duel:',
              style: TextStyle(fontSize: 18),
              textAlign: TextAlign.center,
            ),
            const SizedBox(height: 20),
            TextField(
              keyboardType: TextInputType.number,
              onChanged: (value) {
                setState(() {
                  _numberOfTurns = int.tryParse(value);
                });
              },
              decoration: InputDecoration(
                labelText: 'Number of turns',
                border: const OutlineInputBorder(),
                errorText: _errorMessage,
              ),
            ),
            const SizedBox(height: 20),
            ElevatedButton(
              onPressed: _submitTurns,
              child: const Text('Submit Turns'),
            ),
          ],
        ),
      ),
    );
  }
}