Files

393 lines
14 KiB
Dart

import 'package:flutter/material.dart';
import 'dart:async';
import '../database/db_helper.dart';
import '../services/player_service.dart';
import '../services/musik_scanner.dart';
import '../services/favoriten_service.dart';
import '../services/download_service.dart';
import '../models/song.dart';
import '../utils/farb_theme.dart';
import '../widgets/mini_player.dart';
import '../widgets/melo_header.dart';
import '../widgets/statistik_card.dart';
import '../widgets/tag_leiste.dart';
import '../widgets/song_tile.dart';
class MeloHome extends StatefulWidget {
const MeloHome({super.key});
@override
State<MeloHome> createState() => _MeloHomeState();
}
class _MeloHomeState extends State<MeloHome> {
final PlayerService _player = PlayerService();
final DbHelper _db = DbHelper();
final FavoritenService _favoriten = FavoritenService();
final MusikScanner _scanner = MusikScanner();
final DownloadService _downloader = DownloadService();
List<Song> _songs = [];
String _aktiverTag = 'Alle';
bool _ladt = true;
Set<int> _favoritenIds = {};
final List<Map<String, String>> _beispielTags = [
{'name': 'Alle', 'icon': ''},
{'name': '❤️ Für uns', 'icon': '❤️'},
{'name': 'Nightcore', 'icon': '⚡'},
{'name': 'Traurig', 'icon': '😢'},
{'name': 'Party', 'icon': '🎉'},
{'name': 'Mitsingen', 'icon': '🎤'},
{'name': '2000er', 'icon': '📀'},
];
@override
void initState() {
super.initState();
_ladeSongs();
}
List<Song> get _gefilterteSongs {
if (_aktiverTag == 'Alle') return _songs;
return _songs.where((s) =>
s.titel.contains(_aktiverTag) ||
s.kuenstler.contains(_aktiverTag)
).toList();
}
Future<void> _ladeSongs() async {
setState(() => _ladt = true);
var songs = await _db.alleSongs();
if (songs.isEmpty) {
final beispiele = [
Song(titel: 'Leichtes Gepäck', kuenstler: 'Silbermond', album: 'Schritte',
dauerSekunden: 232, dateiPfad: '', groesseBytes: 5242880, istHeruntergeladen: true),
Song(titel: 'Auf uns', kuenstler: 'Andreas Bourani', album: 'Hey',
dauerSekunden: 241, dateiPfad: '', groesseBytes: 4819200, istHeruntergeladen: true),
Song(titel: '80 Millionen', kuenstler: 'Max Giesinger', album: 'Der Junge',
dauerSekunden: 225, dateiPfad: '', groesseBytes: 5107200, istHeruntergeladen: true),
Song(titel: 'Tage wie diese', kuenstler: 'Die Toten Hosen', album: 'Ballast',
dauerSekunden: 252, dateiPfad: '', groesseBytes: 4300800, istHeruntergeladen: true),
Song(titel: 'Atlantis', kuenstler: 'Frida Gold', album: 'Liebe',
dauerSekunden: 228, dateiPfad: '', groesseBytes: 3987200, istHeruntergeladen: true),
];
await _db.songsEinfuegen(beispiele);
songs = await _db.alleSongs();
}
final favoritenSet = await _favoriten.favoritenIds();
if (mounted) {
setState(() {
_songs = songs;
_favoritenIds = favoritenSet;
_ladt = false;
});
}
}
Future<void> _zeigeSuche() async {
final controller = TextEditingController();
final ergebnis = await showDialog<String>(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: MeloTheme.dunkel1,
title: const Text('🔍 Song suchen', style: TextStyle(color: Colors.white, fontSize: 18)),
content: TextField(
controller: controller,
autofocus: true,
style: const TextStyle(color: Colors.white),
decoration: const InputDecoration(
hintText: 'Titel oder Künstler...',
hintStyle: TextStyle(color: Colors.grey),
border: OutlineInputBorder(),
),
),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Abbrechen')),
TextButton(
onPressed: () => Navigator.pop(ctx, controller.text),
child: const Text('Suchen', style: TextStyle(color: MeloTheme.rot)),
),
],
),
);
if (ergebnis == null || ergebnis.isEmpty) return;
final gefiltert = _songs.where((s) =>
s.titel.toLowerCase().contains(ergebnis.toLowerCase()) ||
s.kuenstler.toLowerCase().contains(ergebnis.toLowerCase())
).toList();
if (!mounted) return;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: MeloTheme.dunkel1,
title: Text('🔍 ${gefiltert.length} Treffer', style: const TextStyle(color: Colors.white)),
content: SizedBox(
width: double.maxFinite,
height: 300,
child: gefiltert.isEmpty
? const Center(child: Text('Keine Treffer', style: TextStyle(color: Colors.grey)))
: ListView.builder(
itemCount: gefiltert.length,
itemBuilder: (_, i) => ListTile(
leading: Container(
width: 36, height: 36,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(8),
gradient: const LinearGradient(colors: [Color(0xFF1A0000), Color(0xFF660000)]),
),
child: const Center(child: Text('♪', style: TextStyle(fontSize: 14, color: Colors.white54))),
),
title: Text(gefiltert[i].titel, style: const TextStyle(color: Colors.white)),
subtitle: Text(gefiltert[i].kuenstler, style: const TextStyle(color: Colors.grey)),
onTap: () { Navigator.pop(ctx); _spieleSong(gefiltert[i]); },
),
),
),
actions: [TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Schließen'))],
),
);
}
Future<void> _scanMusik() async {
final erlaubt = await _scanner.frageSpeicherZugriff();
if (!erlaubt) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Bitte Speicherzugriff erlauben')),
);
}
return;
}
await _scanner.scanneMusikOrdner();
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Scannen fertig: ${_scanner.anzahlNeueSongs} neue Songs gefunden')),
);
await _ladeSongs();
}
}
Future<void> _zeigeDownloadDialog() async {
final controller = TextEditingController();
final url = await showDialog<String>(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: MeloTheme.dunkel1,
title: const Text('⬇ YouTube-Link einfügen', style: TextStyle(color: Colors.white)),
content: TextField(
controller: controller,
autofocus: true,
style: const TextStyle(color: Colors.white),
decoration: const InputDecoration(
hintText: 'https://youtube.com/watch?v=...',
hintStyle: TextStyle(color: Colors.grey),
border: OutlineInputBorder(),
),
),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Abbrechen')),
TextButton(
onPressed: () => Navigator.pop(ctx, controller.text),
child: const Text('Download', style: TextStyle(color: MeloTheme.rot)),
),
],
),
);
if (url == null || url.isEmpty) return;
if (!mounted) return;
showDialog(
context: context,
barrierDismissible: false,
builder: (ctx) {
Timer? timer;
return StatefulBuilder(
builder: (ctx, setDialogState) {
timer ??= Timer.periodic(const Duration(milliseconds: 200), (_) {
if (ctx.mounted) setDialogState(() {});
});
_downloader.downloadVonUrl(url).then((song) {
timer?.cancel();
if (song != null && ctx.mounted) {
setDialogState(() {});
Future.delayed(const Duration(milliseconds: 800), () {
if (ctx.mounted) Navigator.pop(ctx);
_ladeSongs();
});
} else if (ctx.mounted) {
Future.delayed(const Duration(seconds: 3), () {
if (ctx.mounted) Navigator.pop(ctx);
});
}
});
final fehler = _downloader.fehler;
final fortschritt = _downloader.fortschritt;
final statusText = fehler ?? _downloader.aktuellerTitel ?? 'Song wird heruntergeladen...';
return AlertDialog(
backgroundColor: MeloTheme.dunkel1,
title: const Text('⬇ Download', style: TextStyle(color: Colors.white)),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
if (fehler == null)
LinearProgressIndicator(
value: fortschritt > 0 ? fortschritt : null,
color: MeloTheme.rot,
)
else
const Icon(Icons.error, color: Colors.red, size: 40),
const SizedBox(height: 12),
Text(statusText,
style: TextStyle(fontSize: 13, color: fehler != null ? Colors.red : Colors.white70),
textAlign: TextAlign.center,
),
if (fortschritt > 0) ...[
const SizedBox(height: 8),
Text('${(fortschritt * 100).toStringAsFixed(0)}%',
style: const TextStyle(fontSize: 12, color: Colors.grey)),
],
],
),
);
},
);
},
);
}
void _spieleSong(Song song) {
_player.setWarteschlange(_songs,
startIndex: _songs.indexWhere((s) => s.id == song.id));
_player.spiele(song);
}
Future<void> _favoritenUmschalten(Song song) async {
if (song.id == null) return;
await _favoriten.umschalten(song.id!);
final aktuelleIds = await _favoriten.favoritenIds();
if (mounted) setState(() => _favoritenIds = aktuelleIds);
}
@override
Widget build(BuildContext context) {
if (_ladt) {
return const Scaffold(
backgroundColor: MeloTheme.schwarz,
body: Center(child: CircularProgressIndicator(color: MeloTheme.rot)),
);
}
final gesamtMB = _songs.isEmpty ? '0'
: (_songs.fold(0, (int s, Song song) => s + song.groesseBytes) / 1048576).toStringAsFixed(0);
final gesamtMin = _songs.isEmpty ? 0
: (_songs.fold(0, (int s, Song song) => s + song.dauerSekunden) / 60).round();
return Scaffold(
backgroundColor: MeloTheme.schwarz,
body: SafeArea(
child: Column(
children: [
MeloHeader(onDownload: _zeigeDownloadDialog, onSearch: _zeigeSuche),
StatistikCard(
anzahlSongs: _songs.length,
gesamtMB: gesamtMB,
gesamtMin: gesamtMin,
anzahlFavoriten: _favoritenIds.length,
),
TagLeiste(
tags: _beispielTags,
aktiverTag: _aktiverTag,
onTagSelected: (tag) => setState(() => _aktiverTag = tag),
),
Expanded(child: _songListe()),
const MiniPlayer(),
const SizedBox(height: 8),
],
),
),
bottomNavigationBar: _bottomNav(),
);
}
Widget _songListe() {
final songs = _gefilterteSongs;
return Column(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(20, 12, 20, 4),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text('📂 Alle Songs', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white)),
Row(children: [
Text('${songs.length} Titel${_aktiverTag != 'Alle' ? ' (gefiltert)' : ''}', style: TextStyle(fontSize: 12, color: MeloTheme.rot)),
const SizedBox(width: 8),
GestureDetector(
onTap: _scanMusik,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
border: Border.all(color: MeloTheme.dunkel2),
borderRadius: BorderRadius.circular(8),
),
child: const Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.refresh, size: 12, color: MeloTheme.rot),
SizedBox(width: 4),
Text('Scannen', style: TextStyle(fontSize: 11, color: MeloTheme.rot)),
],
),
),
),
]),
],
),
),
Expanded(
child: ListView.builder(
padding: const EdgeInsets.fromLTRB(20, 4, 20, 4),
itemCount: songs.length,
itemBuilder: (_, i) => SongTile(
song: songs[i],
istFavorit: songs[i].id != null && _favoritenIds.contains(songs[i].id),
onFavoriteToggle: _favoritenUmschalten,
onPlay: _spieleSong,
onMetadataChanged: _ladeSongs,
),
),
),
],
);
}
Widget _bottomNav() {
return Container(
decoration: const BoxDecoration(
border: Border(top: BorderSide(color: MeloTheme.dunkel1)),
),
child: BottomNavigationBar(
type: BottomNavigationBarType.fixed,
backgroundColor: MeloTheme.schwarz,
selectedItemColor: MeloTheme.rot,
unselectedItemColor: MeloTheme.textSekundaer,
items: const [
BottomNavigationBarItem(icon: Icon(Icons.music_note, size: 22), label: 'Musik'),
BottomNavigationBarItem(icon: Icon(Icons.download, size: 22), label: 'Downloads'),
BottomNavigationBarItem(icon: Icon(Icons.label, size: 22), label: 'Tags'),
BottomNavigationBarItem(icon: Icon(Icons.favorite, size: 22), label: 'Favoriten'),
BottomNavigationBarItem(icon: Icon(Icons.settings, size: 22), label: 'Einstellungen'),
],
),
);
}
}