import 'package:flutter/material.dart';
import 'package:wolf_dart/features/screens/difficulty_screen.dart';
import 'package:wolf_dart/wolf_3d.dart';

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

  @override
  State<EpisodeScreen> createState() => _EpisodeScreenState();
}

class _EpisodeScreenState extends State<EpisodeScreen> {
  final List<String> _episodeNames = [
    "Episode 1\nEscape from Wolfenstein",
    "Episode 2\nOperation: Eisenfaust",
    "Episode 3\nDie, Fuhrer, Die!",
    "Episode 4\nA Dark Secret",
    "Episode 5\nTrail of the Madman",
    "Episode 6\nConfrontation",
  ];

  @override
  void initState() {
    super.initState();
    Wolf3d.I.audio.playMenuMusic();
  }

  void _selectEpisode(int index) {
    Wolf3d.I.setActiveEpisode(index);
    Navigator.of(context).push(
      MaterialPageRoute(
        builder: (context) => DifficultyScreen(),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final int numberOfEpisodes = (Wolf3d.I.levels.length / 10).floor().clamp(
      1,
      6,
    );

    return Scaffold(
      backgroundColor: Colors.black,
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            const Text(
              'WHICH EPISODE TO PLAY?',
              style: TextStyle(
                color: Colors.red,
                fontSize: 32,
                fontWeight: FontWeight.bold,
                fontFamily: 'Courier',
              ),
            ),
            const SizedBox(height: 40),
            ListView.builder(
              shrinkWrap: true,
              itemCount: numberOfEpisodes,
              itemBuilder: (context, index) {
                return Padding(
                  padding: const EdgeInsets.symmetric(
                    vertical: 8.0,
                    horizontal: 32.0,
                  ),
                  child: ElevatedButton(
                    style: ElevatedButton.styleFrom(
                      backgroundColor: Colors.blueGrey[900],
                      foregroundColor: Colors.white,
                      minimumSize: const Size(300, 60),
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(4),
                      ),
                    ),
                    onPressed: () => _selectEpisode(index),
                    child: Text(
                      _episodeNames[index],
                      textAlign: TextAlign.center,
                      style: const TextStyle(fontSize: 18),
                    ),
                  ),
                );
              },
            ),
          ],
        ),
      ),
    );
  }
}