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

void main() {
  runApp(LabiryntApp());
}

class LabiryntApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: StartScreen(),
    );
  }
}

class StartScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Labirynt'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => LabiryntScreen()),
            );
          },
          child: Text('Start Game'),
        ),
      ),
    );
  }
}

class LabiryntScreen extends StatefulWidget {
  @override
  _LabiryntScreenState createState() => _LabiryntScreenState();
}

class _LabiryntScreenState extends State<LabiryntScreen> {
  final List<List<int>> maze = [
    [10, 8, 10, 9],
    [28, 1, 0, 12],
    [12, 10, 9, 13],
    [6, 5, 6, 5]
  ];

  int x = 0;
  int y = 0;

  void move(int dx, int dy) {
    setState(() {
      x += dx;
      y += dy;
      if (maze[y][x] == 0) {
        Navigator.pushReplacement(
          context,
          MaterialPageRoute(builder: (context) => EndScreen()),
        );
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    int room = maze[y][x];
    return Scaffold(
      appBar: AppBar(
        title: Text('Labirynt - Komnata ($x, $y)'),
      ),
      body: Stack(
        children: [
          Positioned(
            left: 20,
            top: MediaQuery.of(context).size.height / 2 - 20,
            child: ElevatedButton(
              onPressed: (room & 1) != 0 ? () => move(-1, 0) : null,
              child: Text('Lewo'),
              style: ElevatedButton.styleFrom(
                backgroundColor: (room & 1) != 0 ? Colors.green : Colors.grey,
              ),
            ),
          ),
          Positioned(
            right: 20,
            top: MediaQuery.of(context).size.height / 2 - 20,
            child: ElevatedButton(
              onPressed: (room & 2) != 0 ? () => move(1, 0) : null,
              child: Text('Prawo'),
              style: ElevatedButton.styleFrom(
                backgroundColor: (room & 2) != 0 ? Colors.green : Colors.grey,
              ),
            ),
          ),
          Positioned(
            left: MediaQuery.of(context).size.width / 2 - 30,
            top: 20,
            child: ElevatedButton(
              onPressed: (room & 4) != 0 ? () => move(0, -1) : null,
              child: Text('Góra'),
              style: ElevatedButton.styleFrom(
                backgroundColor: (room & 4) != 0 ? Colors.green : Colors.grey,
              ),
            ),
          ),
          Positioned(
            left: MediaQuery.of(context).size.width / 2 - 30,
            bottom: 20,
            child: ElevatedButton(
              onPressed: (room & 8) != 0 ? () => move(0, 1) : null,
              child: Text('Dół'),
              style: ElevatedButton.styleFrom(
                backgroundColor: (room & 8) != 0 ? Colors.green : Colors.grey,
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class EndScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Koniec Gry'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              'Gratulacje! Dotarłeś do końca labiryntu!',
              textAlign: TextAlign.center,
              style: TextStyle(fontSize: 24),
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(builder: (context) => StartScreen()),
                );
              },
              child: Text('Zagraj ponownie'),
            ),
          ],
        ),
      ),
    );
  }
}