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

import '../library/playlist_service.dart';

/// Dialog zum Anlegen einer neuen Playlist. Gibt bei Erfolg die neue
/// Playlist-ID zurück (z.B. um direkt danach einen Song hinzuzufügen).
class CreatePlaylistDialog extends StatefulWidget {
  const CreatePlaylistDialog({super.key});

  @override
  State<CreatePlaylistDialog> createState() => _CreatePlaylistDialogState();
}

class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
  final _controller = TextEditingController();

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  Future<void> _create() async {
    final name = _controller.text.trim();
    if (name.isEmpty) return;
    final id = await context.read<PlaylistService>().createPlaylist(name);
    if (mounted) Navigator.pop(context, id);
  }

  @override
  Widget build(BuildContext context) {
    final canCreate = _controller.text.trim().isNotEmpty;
    return AlertDialog(
      title: const Text('Neue Playlist'),
      content: TextField(
        controller: _controller,
        autofocus: true,
        decoration: const InputDecoration(hintText: 'Name der Playlist'),
        onChanged: (_) => setState(() {}),
        onSubmitted: (_) => canCreate ? _create() : null,
      ),
      actions: [
        TextButton(
          onPressed: () => Navigator.pop(context),
          child: const Text('Abbrechen'),
        ),
        TextButton(
          onPressed: canCreate ? _create : null,
          child: const Text('Erstellen'),
        ),
      ],
    );
  }
}