import 'dart:io';
import 'dart:math' as math;

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:path/path.dart' as p;
import 'package:url_launcher/url_launcher.dart';

import '../../durum/ace_step_sablon_durumu.dart';
import '../../durum/ace_step_uretim_durumu.dart';
import '../../durum/proje_durumu.dart';
import '../../servisler/ace_step_aktarici.dart';
import '../../servisler/ace_step_api_istemci.dart';
import '../../servisler/ace_step_baslatici.dart';
import '../../servisler/kaynak_kopyalayici.dart';
import '../../servisler/proje_deposu.dart';
import '../../servisler/segment_olusturucu.dart';
import '../ortak/lora_yoneticisi_modal.dart';
import '../ortak/mini_ses_oynatici.dart';
import '../ortak/ses_aralik_oynatici.dart';
import 'ace_step_sihirbaz.dart';

/// ACE-Step için tam native Flutter UI — REST API'yi kullanır.
class AceStepSayfasi extends ConsumerStatefulWidget {
  const AceStepSayfasi({super.key});
  @override
  ConsumerState<AceStepSayfasi> createState() => _AceStepSayfasiState();
}

class _AceStepSayfasiState extends ConsumerState<AceStepSayfasi> {
  // Temel
  final _promptCtrl = TextEditingController();
  final _globalCaptionCtrl = TextEditingController();
  final _lyricsCtrl = TextEditingController();
  final _sampleQueryCtrl = TextEditingController();
  final _bpmCtrl = TextEditingController();
  final _keyCtrl = TextEditingController();
  final _timeSignatureCtrl = TextEditingController();
  final _seedCtrl = TextEditingController();
  final _instructionCtrl = TextEditingController();
  final _customTimestepsCtrl = TextEditingController();
  final _trackNameCtrl = TextEditingController();
  // LM (Language Model) — lirik üretimi
  final _lmNegativePromptCtrl = TextEditingController();
  double _lmTemperature = 0.85;
  double _lmCfgScale = 2.5;
  double _lmTopP = 0.9;
  double _lmRepetitionPenalty = 1.0;
  // Decoder
  bool _useTiledDecode = true;
  bool _constrainedDecoding = true;
  // Caption
  bool _useCotCaption = true;
  bool _isFormatCaption = false;
  bool _allowLmBatch = true;
  bool _lmAyarlariAcik = false;

  double _sure = 60.0;
  bool _sureBelirsiz = false;
  int _steps = 8;
  double _cfg = 7.0;
  String _dil = 'tr';
  bool _dilOtomatik = true; // Otomatik dil algılama (CoT)
  String? _model;
  bool _thinking = false;
  bool _sampleMode = false;
  bool _useFormat = false;
  bool _useRandomSeed = true;

  // Görev tipi
  String _taskType = 'text2music';

  // Gelişmiş DiT
  String _inferMethod = 'ode';
  double _shift = 3.0;
  bool _useAdg = false;
  double _cfgIntervalStart = 0.0;
  double _cfgIntervalEnd = 1.0;

  // Repaint / audio2audio
  String? _referenceAudioPath;
  String? _srcAudioPath;
  double _repaintingStart = 0.0;
  double? _repaintingEnd;
  String _repaintMode = 'balanced';
  double _repaintStrength = 0.5;
  double _audioCoverStrength = 1.0;
  double _coverNoiseStrength = 0.0;

  bool _gelismisAcik = false;

  // Üretim sayısı (batch) — varsayılan 1, server default 2 idi.
  int _batchSize = 1;

  // Çıkış kontrolleri
  String _audioFormat = 'mp3'; // wav | mp3 | flac
  int _mp3Bitrate = 192; // dengeli kalite/boyut
  int _mp3SampleRate = 44100;
  bool _enableNormalization = false;
  double _normalizationDb = -14.0;
  double _fadeInDuration = 0.0;
  double _fadeOutDuration = 0.0;
  double _scoreScale = 1.0;
  String? _loraPath;
  String _samplerMode = 'euler';
  bool _ciktiAcik = false;

  List<Map<String, dynamic>> _modeller = [];
  bool _modelleryukleniyor = false;
  bool _gonderiyor = false;

  // Form scroll controller — "Kopya olarak edit" tıklamasında yukarı kaydırmak için
  final ScrollController _formScrollCtrl = ScrollController();

  @override
  void initState() {
    super.initState();
    // Text controller değişimlerini de auto-save'e bağla
    for (final c in [
      _promptCtrl,
      _globalCaptionCtrl,
      _lyricsCtrl,
      _sampleQueryCtrl,
      _bpmCtrl,
      _keyCtrl,
      _timeSignatureCtrl,
      _seedCtrl,
      _instructionCtrl,
      _customTimestepsCtrl,
      _trackNameCtrl,
      _lmNegativePromptCtrl,
    ]) {
      c.addListener(_otomatikKaydet);
    }
    WidgetsBinding.instance.addPostFrameCallback((_) async {
      await _modelleriYukle();
      await _sonAyarlariYukle();
    });
  }

  /// Açılışta son kaydedilmiş ayarları geri yükler (proje öncelikli).
  Future<void> _sonAyarlariYukle() async {
    try {
      final aktifProje = ref.read(projeProvider);
      final ayarlar =
          await AceStepSonAyar.yukle(projeKlasoru: aktifProje?.klasorYolu);
      if (ayarlar == null || !mounted) return;
      _formuMaptanDoldur(ayarlar);
    } catch (_) {
      // sessiz geç — başlangıçta hata loglarsak UI'yi rahatsız etmeyelim
    }
  }

  /// formSnapshot benzeri Map'ten formu doldurur.
  void _formuMaptanDoldur(Map<String, dynamic> fs) {
    setState(() {
      if (fs['prompt'] is String) _promptCtrl.text = fs['prompt'];
      if (fs['globalCaption'] is String) {
        _globalCaptionCtrl.text = fs['globalCaption'];
      }
      if (fs['lyrics'] is String) _lyricsCtrl.text = fs['lyrics'];
      if (fs['sure'] is num) {
        _sure = (fs['sure'] as num).toDouble();
        _sureBelirsiz = false;
      }
      _sureBelirsiz = fs['sureBelirsiz'] as bool? ?? _sureBelirsiz;
      _steps = (fs['steps'] as num?)?.toInt() ?? _steps;
      _cfg = (fs['cfg'] as num?)?.toDouble() ?? _cfg;
      if (fs['bpm'] is String) _bpmCtrl.text = fs['bpm'];
      if (fs['keyScale'] is String) _keyCtrl.text = fs['keyScale'];
      if (fs['timeSignature'] is String) {
        _timeSignatureCtrl.text = fs['timeSignature'];
      }
      _dil = fs['dil'] as String? ?? _dil;
      _dilOtomatik = fs['dilOtomatik'] as bool? ?? _dilOtomatik;
      _model = fs['model'] as String? ?? _model;
      _thinking = fs['thinking'] as bool? ?? _thinking;
      _sampleMode = fs['sampleMode'] as bool? ?? _sampleMode;
      if (fs['sampleQuery'] is String) _sampleQueryCtrl.text = fs['sampleQuery'];
      _useFormat = fs['useFormat'] as bool? ?? _useFormat;
      if (fs['seed'] is String) _seedCtrl.text = fs['seed'];
      _useRandomSeed = fs['kullaniciRandomIstedi'] as bool? ??
          fs['useRandomSeed'] as bool? ??
          _useRandomSeed;
      _taskType = fs['taskType'] as String? ?? _taskType;
      _inferMethod = fs['inferMethod'] as String? ?? _inferMethod;
      _shift = (fs['shift'] as num?)?.toDouble() ?? _shift;
      _useAdg = fs['useAdg'] as bool? ?? _useAdg;
      _cfgIntervalStart =
          (fs['cfgIntervalStart'] as num?)?.toDouble() ?? _cfgIntervalStart;
      _cfgIntervalEnd =
          (fs['cfgIntervalEnd'] as num?)?.toDouble() ?? _cfgIntervalEnd;
      if (fs['customTimesteps'] is String) {
        _customTimestepsCtrl.text = fs['customTimesteps'];
      }
      _referenceAudioPath =
          fs['referenceAudioPath'] as String? ?? _referenceAudioPath;
      _srcAudioPath = fs['srcAudioPath'] as String? ?? _srcAudioPath;
      _repaintingStart =
          (fs['repaintingStart'] as num?)?.toDouble() ?? _repaintingStart;
      _repaintingEnd = (fs['repaintingEnd'] as num?)?.toDouble();
      _repaintMode = fs['repaintMode'] as String? ?? _repaintMode;
      _repaintStrength =
          (fs['repaintStrength'] as num?)?.toDouble() ?? _repaintStrength;
      _audioCoverStrength =
          (fs['audioCoverStrength'] as num?)?.toDouble() ?? _audioCoverStrength;
      _coverNoiseStrength =
          (fs['coverNoiseStrength'] as num?)?.toDouble() ?? _coverNoiseStrength;
      if (fs['instruction'] is String) _instructionCtrl.text = fs['instruction'];
      _audioFormat = fs['audioFormat'] as String? ?? _audioFormat;
      _mp3Bitrate = (fs['mp3Bitrate'] as num?)?.toInt() ?? _mp3Bitrate;
      _mp3SampleRate =
          (fs['mp3SampleRate'] as num?)?.toInt() ?? _mp3SampleRate;
      _enableNormalization =
          fs['enableNormalization'] as bool? ?? _enableNormalization;
      _normalizationDb =
          (fs['normalizationDb'] as num?)?.toDouble() ?? _normalizationDb;
      _fadeInDuration =
          (fs['fadeInDuration'] as num?)?.toDouble() ?? _fadeInDuration;
      _fadeOutDuration =
          (fs['fadeOutDuration'] as num?)?.toDouble() ?? _fadeOutDuration;
      _scoreScale = (fs['scoreScale'] as num?)?.toDouble() ?? _scoreScale;
      _loraPath = fs['loraPath'] as String? ?? _loraPath;
      _samplerMode = fs['samplerMode'] as String? ?? _samplerMode;
      _batchSize = (fs['batchSize'] as num?)?.toInt() ?? _batchSize;
      // LM
      if (fs['lmNegativePrompt'] is String) {
        _lmNegativePromptCtrl.text = fs['lmNegativePrompt'];
      }
      _lmTemperature =
          (fs['lmTemperature'] as num?)?.toDouble() ?? _lmTemperature;
      _lmCfgScale = (fs['lmCfgScale'] as num?)?.toDouble() ?? _lmCfgScale;
      _lmTopP = (fs['lmTopP'] as num?)?.toDouble() ?? _lmTopP;
      _lmRepetitionPenalty = (fs['lmRepetitionPenalty'] as num?)?.toDouble() ??
          _lmRepetitionPenalty;
      _useTiledDecode = fs['useTiledDecode'] as bool? ?? _useTiledDecode;
      _constrainedDecoding =
          fs['constrainedDecoding'] as bool? ?? _constrainedDecoding;
      _useCotCaption = fs['useCotCaption'] as bool? ?? _useCotCaption;
      _isFormatCaption = fs['isFormatCaption'] as bool? ?? _isFormatCaption;
      _allowLmBatch = fs['allowLmBatch'] as bool? ?? _allowLmBatch;
      if (fs['trackName'] is String) _trackNameCtrl.text = fs['trackName'];
    });
  }

  /// Tüm form alanlarını snapshot olarak topla. Hem üretim için hem
  /// otomatik kaydetme/şablon için kullanılır.
  Map<String, dynamic> _tumFormuTopla() {
    return <String, dynamic>{
      'prompt': _promptCtrl.text.trim(),
      'globalCaption': _globalCaptionCtrl.text.trim(),
      'lyrics': _lyricsCtrl.text.trim(),
      'sure': _sureBelirsiz ? null : _sure,
      'sureBelirsiz': _sureBelirsiz,
      'steps': _steps,
      'cfg': _cfg,
      'bpm': _bpmCtrl.text,
      'keyScale': _keyCtrl.text,
      'timeSignature': _timeSignatureCtrl.text,
      'dil': _dil,
      'dilOtomatik': _dilOtomatik,
      'model': _model,
      'thinking': _thinking,
      'sampleMode': _sampleMode,
      'sampleQuery': _sampleQueryCtrl.text,
      'useFormat': _useFormat,
      'seed': _seedCtrl.text,
      'useRandomSeed': _useRandomSeed,
      'taskType': _taskType,
      'inferMethod': _inferMethod,
      'shift': _shift,
      'useAdg': _useAdg,
      'cfgIntervalStart': _cfgIntervalStart,
      'cfgIntervalEnd': _cfgIntervalEnd,
      'customTimesteps': _customTimestepsCtrl.text,
      'referenceAudioPath': _referenceAudioPath,
      'srcAudioPath': _srcAudioPath,
      'repaintingStart': _repaintingStart,
      'repaintingEnd': _repaintingEnd,
      'repaintMode': _repaintMode,
      'repaintStrength': _repaintStrength,
      'audioCoverStrength': _audioCoverStrength,
      'coverNoiseStrength': _coverNoiseStrength,
      'instruction': _instructionCtrl.text,
      'audioFormat': _audioFormat,
      'mp3Bitrate': _mp3Bitrate,
      'mp3SampleRate': _mp3SampleRate,
      'enableNormalization': _enableNormalization,
      'normalizationDb': _normalizationDb,
      'fadeInDuration': _fadeInDuration,
      'fadeOutDuration': _fadeOutDuration,
      'scoreScale': _scoreScale,
      'loraPath': _loraPath,
      'samplerMode': _samplerMode,
      'batchSize': _batchSize,
      'lmNegativePrompt': _lmNegativePromptCtrl.text,
      'lmTemperature': _lmTemperature,
      'lmCfgScale': _lmCfgScale,
      'lmTopP': _lmTopP,
      'lmRepetitionPenalty': _lmRepetitionPenalty,
      'useTiledDecode': _useTiledDecode,
      'constrainedDecoding': _constrainedDecoding,
      'useCotCaption': _useCotCaption,
      'isFormatCaption': _isFormatCaption,
      'allowLmBatch': _allowLmBatch,
      'trackName': _trackNameCtrl.text,
    };
  }

  /// Form değiştiğinde otomatik kaydet (debounced 800ms).
  void _otomatikKaydet() {
    final aktifProje = ref.read(projeProvider);
    AceStepSonAyar.kaydetDebounced(
      ayarlar: _tumFormuTopla(),
      projeKlasoru: aktifProje?.klasorYolu,
    );
  }

  @override
  void setState(VoidCallback fn) {
    super.setState(fn);
    // Her form değişikliği sonrası otomatik kaydı tetikle
    _otomatikKaydet();
  }

  @override
  void dispose() {
    _promptCtrl.dispose();
    _globalCaptionCtrl.dispose();
    _lyricsCtrl.dispose();
    _sampleQueryCtrl.dispose();
    _bpmCtrl.dispose();
    _keyCtrl.dispose();
    _timeSignatureCtrl.dispose();
    _seedCtrl.dispose();
    _instructionCtrl.dispose();
    // Son ayarları anında kaydet (dispose anında debounce çalışmayabilir)
    try {
      final aktifProje = ref.read(projeProvider);
      AceStepSonAyar.kaydetHemen(
        ayarlar: _tumFormuTopla(),
        projeKlasoru: aktifProje?.klasorYolu,
      );
    } catch (_) {}
    _customTimestepsCtrl.dispose();
    _trackNameCtrl.dispose();
    _lmNegativePromptCtrl.dispose();
    _formScrollCtrl.dispose();
    super.dispose();
  }

  /// Görev kartından gelen "Forma yükle" / "Kopya olarak edit" sinyalini uygula.
  void _formdanYukle(AceStepGorev g) {
    setState(() {
      // Temel alanlar (her durumda)
      _promptCtrl.text = g.prompt;
      _lyricsCtrl.text = g.lyrics;
      _globalCaptionCtrl.text = g.globalCaption ?? '';
      _bpmCtrl.text = g.bpm?.toString() ?? '';
      _keyCtrl.text = g.keyScale ?? '';
      if (g.sure != null) {
        _sure = g.sure!.clamp(1, 240).toDouble();
        _sureBelirsiz = false;
      } else {
        _sureBelirsiz = true;
      }
      _steps = g.steps;
      _cfg = g.cfg;
      _dil = g.dil;
      _dilOtomatik = g.dilOtomatik;
      _model = g.model;
      _thinking = g.thinking;
      _sampleMode = g.sampleMode;

      // ✨ Tam form snapshot varsa TÜM alanları geri yükle
      // (timeSignature, sampleQuery, useFormat, repaintMode, audioFormat, vb.)
      final fs = g.formSnapshot;
      if (fs != null) {
        // Controller alanları
        if (fs['timeSignature'] is String) {
          _timeSignatureCtrl.text = fs['timeSignature'] as String;
        }
        if (fs['sampleQuery'] is String) {
          _sampleQueryCtrl.text = fs['sampleQuery'] as String;
        }
        if (fs['seed'] is String) {
          _seedCtrl.text = fs['seed'] as String;
        }
        if (fs['customTimesteps'] is String) {
          _customTimestepsCtrl.text = fs['customTimesteps'] as String;
        }
        if (fs['instruction'] is String) {
          _instructionCtrl.text = fs['instruction'] as String;
        }
        // Bool / String / num alanları
        _useFormat = fs['useFormat'] as bool? ?? _useFormat;
        _useRandomSeed = fs['useRandomSeed'] as bool? ?? _useRandomSeed;
        _useAdg = fs['useAdg'] as bool? ?? _useAdg;
        _enableNormalization =
            fs['enableNormalization'] as bool? ?? _enableNormalization;
        _taskType = fs['taskType'] as String? ?? _taskType;
        _inferMethod = fs['inferMethod'] as String? ?? _inferMethod;
        _repaintMode = fs['repaintMode'] as String? ?? _repaintMode;
        _samplerMode = fs['samplerMode'] as String? ?? _samplerMode;
        _audioFormat = fs['audioFormat'] as String? ?? _audioFormat;
        _referenceAudioPath =
            fs['referenceAudioPath'] as String? ?? _referenceAudioPath;
        _srcAudioPath = fs['srcAudioPath'] as String? ?? _srcAudioPath;
        _loraPath = fs['loraPath'] as String? ?? _loraPath;
        _shift = (fs['shift'] as num?)?.toDouble() ?? _shift;
        _cfgIntervalStart =
            (fs['cfgIntervalStart'] as num?)?.toDouble() ?? _cfgIntervalStart;
        _cfgIntervalEnd =
            (fs['cfgIntervalEnd'] as num?)?.toDouble() ?? _cfgIntervalEnd;
        _repaintingStart =
            (fs['repaintingStart'] as num?)?.toDouble() ?? _repaintingStart;
        _repaintingEnd = (fs['repaintingEnd'] as num?)?.toDouble();
        _repaintStrength =
            (fs['repaintStrength'] as num?)?.toDouble() ?? _repaintStrength;
        _audioCoverStrength = (fs['audioCoverStrength'] as num?)?.toDouble() ??
            _audioCoverStrength;
        _coverNoiseStrength = (fs['coverNoiseStrength'] as num?)?.toDouble() ??
            _coverNoiseStrength;
        _normalizationDb =
            (fs['normalizationDb'] as num?)?.toDouble() ?? _normalizationDb;
        _fadeInDuration =
            (fs['fadeInDuration'] as num?)?.toDouble() ?? _fadeInDuration;
        _fadeOutDuration =
            (fs['fadeOutDuration'] as num?)?.toDouble() ?? _fadeOutDuration;
        _scoreScale = (fs['scoreScale'] as num?)?.toDouble() ?? _scoreScale;
        _mp3Bitrate = (fs['mp3Bitrate'] as num?)?.toInt() ?? _mp3Bitrate;
        _mp3SampleRate =
            (fs['mp3SampleRate'] as num?)?.toInt() ?? _mp3SampleRate;
        _batchSize = (fs['batchSize'] as num?)?.toInt() ?? _batchSize;
        // LM
        if (fs['lmNegativePrompt'] is String) {
          _lmNegativePromptCtrl.text = fs['lmNegativePrompt'] as String;
        }
        _lmTemperature =
            (fs['lmTemperature'] as num?)?.toDouble() ?? _lmTemperature;
        _lmCfgScale = (fs['lmCfgScale'] as num?)?.toDouble() ?? _lmCfgScale;
        _lmTopP = (fs['lmTopP'] as num?)?.toDouble() ?? _lmTopP;
        _lmRepetitionPenalty = (fs['lmRepetitionPenalty'] as num?)?.toDouble() ??
            _lmRepetitionPenalty;
        _useTiledDecode = fs['useTiledDecode'] as bool? ?? _useTiledDecode;
        _constrainedDecoding =
            fs['constrainedDecoding'] as bool? ?? _constrainedDecoding;
        _useCotCaption = fs['useCotCaption'] as bool? ?? _useCotCaption;
        _isFormatCaption =
            fs['isFormatCaption'] as bool? ?? _isFormatCaption;
        _allowLmBatch = fs['allowLmBatch'] as bool? ?? _allowLmBatch;
        if (fs['trackName'] is String) {
          _trackNameCtrl.text = fs['trackName'] as String;
        }
      }

      // Seed önceliği: bitenSeed (server'ın gerçek seed'i) > seed (kullanıcı) >
      // formSnapshot['seed']. Tıpa tıp aynı sonuç için bu sıra önemli.
      if (g.bitenSeed != null && g.bitenSeed! >= 0) {
        _seedCtrl.text = g.bitenSeed!.toString();
        _useRandomSeed = false;
      } else if (g.seed != null && g.seed! >= 0) {
        _seedCtrl.text = g.seed!.toString();
        _useRandomSeed = false;
      }
    });
    if (_formScrollCtrl.hasClients) {
      _formScrollCtrl.animateTo(
        0,
        duration: const Duration(milliseconds: 300),
        curve: Curves.easeOut,
      );
    }
    if (mounted) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(
          content: Text('Form değerleri yüklendi'),
          duration: Duration(seconds: 2),
        ),
      );
    }
  }

  Future<void> _modelleriYukle() async {
    if (!await AceStepApiIstemci.portAcikMi()) return;
    setState(() => _modelleryukleniyor = true);
    final api = AceStepApiIstemci();
    final m = await api.modelListesi();
    if (mounted) {
      setState(() {
        _modeller = m;
        _modelleryukleniyor = false;
      });
    }
  }

  Future<void> _uret() async {
    final durum = ref.read(aceStepProvider);
    if (!durum.apiCalisiyor) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(
          content: Text('Önce API server\'ı başlat (yan butondan)'),
          backgroundColor: Colors.red,
        ),
      );
      return;
    }
    if (!_sampleMode && _promptCtrl.text.trim().isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('Prompt veya sample mode gerekli')),
      );
      return;
    }
    setState(() => _gonderiyor = true);
    try {
      final api = AceStepApiIstemci();

      // CLIENT-SIDE SEED ÜRETİMİ — server seed döndürmese bile her zaman
      // gerçek seed'i biliriz. Kullanıcı seed yazdıysa onu kullan; yoksa
      // (random toggle veya boş) burada üret. Server'a sabit gönder.
      int kesinSeed;
      final yazilanSeed = int.tryParse(_seedCtrl.text);
      if (!_useRandomSeed && yazilanSeed != null && yazilanSeed >= 0) {
        kesinSeed = yazilanSeed;
      } else {
        // 1 .. 2^31-1 arası — tüm framework'lerde güvenli aralık
        kesinSeed = math.Random().nextInt(2147483646) + 1;
      }
      // UI'a yansıt — kullanıcı görsün
      if (_seedCtrl.text != kesinSeed.toString()) {
        _seedCtrl.text = kesinSeed.toString();
      }

      // TÜM form alanlarını snapshot olarak topla — Forma Yükle'de eksiksiz
      final formSnapshot = <String, dynamic>{
        'prompt': _promptCtrl.text.trim(),
        'globalCaption': _globalCaptionCtrl.text.trim(),
        'lyrics': _lyricsCtrl.text.trim(),
        'sure': _sureBelirsiz ? null : _sure,
        'sureBelirsiz': _sureBelirsiz,
        'steps': _steps,
        'cfg': _cfg,
        'bpm': _bpmCtrl.text,
        'keyScale': _keyCtrl.text,
        'timeSignature': _timeSignatureCtrl.text,
        'dil': _dil,
        'dilOtomatik': _dilOtomatik,
        'model': _model,
        'thinking': _thinking,
        'sampleMode': _sampleMode,
        'sampleQuery': _sampleQueryCtrl.text,
        'useFormat': _useFormat,
        'seed': kesinSeed.toString(),
        // Kullanıcının orijinal "random" tercihini sakla (UI'da göstermek için).
        // Server'a useRandomSeed=false gidiyor (kesin seed'le).
        'useRandomSeed': false,
        'kullaniciRandomIstedi': _useRandomSeed,
        'taskType': _taskType,
        'inferMethod': _inferMethod,
        'shift': _shift,
        'useAdg': _useAdg,
        'cfgIntervalStart': _cfgIntervalStart,
        'cfgIntervalEnd': _cfgIntervalEnd,
        'customTimesteps': _customTimestepsCtrl.text,
        'referenceAudioPath': _referenceAudioPath,
        'srcAudioPath': _srcAudioPath,
        'repaintingStart': _repaintingStart,
        'repaintingEnd': _repaintingEnd,
        'repaintMode': _repaintMode,
        'repaintStrength': _repaintStrength,
        'audioCoverStrength': _audioCoverStrength,
        'coverNoiseStrength': _coverNoiseStrength,
        'instruction': _instructionCtrl.text,
        'audioFormat': _audioFormat,
        'mp3Bitrate': _mp3Bitrate,
        'mp3SampleRate': _mp3SampleRate,
        'enableNormalization': _enableNormalization,
        'normalizationDb': _normalizationDb,
        'fadeInDuration': _fadeInDuration,
        'fadeOutDuration': _fadeOutDuration,
        'scoreScale': _scoreScale,
        'loraPath': _loraPath,
        'samplerMode': _samplerMode,
        'batchSize': _batchSize,
        // LM
        'lmNegativePrompt': _lmNegativePromptCtrl.text,
        'lmTemperature': _lmTemperature,
        'lmCfgScale': _lmCfgScale,
        'lmTopP': _lmTopP,
        'lmRepetitionPenalty': _lmRepetitionPenalty,
        'useTiledDecode': _useTiledDecode,
        'constrainedDecoding': _constrainedDecoding,
        'useCotCaption': _useCotCaption,
        'isFormatCaption': _isFormatCaption,
        'allowLmBatch': _allowLmBatch,
        'trackName': _trackNameCtrl.text,
      };
      final yeniGorevler =
          await ref.read(aceStepUretimProvider.notifier).uretimEkle(
            api: api,
            prompt: _promptCtrl.text.trim(),
            globalCaption: _globalCaptionCtrl.text.trim(),
            lyrics: _lyricsCtrl.text.trim(),
            sure: _sureBelirsiz ? null : _sure,
            steps: _steps,
            cfg: _cfg,
            bpm: int.tryParse(_bpmCtrl.text),
            keyScale: _keyCtrl.text.trim(),
            timeSignature: _timeSignatureCtrl.text.trim(),
            dil: _dil,
            dilOtomatik: _dilOtomatik,
            model: _model,
            thinking: _thinking,
            sampleMode: _sampleMode,
            sampleQuery: _sampleQueryCtrl.text.trim(),
            useFormat: _useFormat,
            // Client-side üretilen kesin seed — server her zaman bunu kullanır
            seed: kesinSeed,
            useRandomSeed: false,
            taskType: _taskType,
            inferMethod: _inferMethod,
            shift: _shift,
            useAdg: _useAdg,
            cfgIntervalStart: _cfgIntervalStart,
            cfgIntervalEnd: _cfgIntervalEnd,
            customTimesteps: _customTimestepsCtrl.text.trim().isEmpty
                ? null
                : _customTimestepsCtrl.text.trim(),
            referenceAudioPath: _referenceAudioPath,
            srcAudioPath: _srcAudioPath,
            repaintingStart: _repaintingStart,
            repaintingEnd: _repaintingEnd,
            repaintMode: _repaintMode,
            repaintStrength: _repaintStrength,
            audioCoverStrength: _audioCoverStrength,
            coverNoiseStrength: _coverNoiseStrength,
            instruction: _instructionCtrl.text.trim().isEmpty
                ? null
                : _instructionCtrl.text.trim(),
            audioFormat: _audioFormat,
            mp3Bitrate: _audioFormat == 'mp3' ? _mp3Bitrate : null,
            mp3SampleRate: _audioFormat == 'mp3' ? _mp3SampleRate : null,
            enableNormalization: _enableNormalization,
            normalizationDb:
                _enableNormalization ? _normalizationDb : null,
            fadeInDuration: _fadeInDuration > 0 ? _fadeInDuration : null,
            fadeOutDuration: _fadeOutDuration > 0 ? _fadeOutDuration : null,
            scoreScale: _scoreScale != 1.0 ? _scoreScale : null,
            loraPath: _loraPath,
            samplerMode: _samplerMode != 'euler' ? _samplerMode : null,
            batchSize: _batchSize,
            // LM parametreleri
            lmNegativePrompt: _lmNegativePromptCtrl.text.trim().isEmpty
                ? null
                : _lmNegativePromptCtrl.text.trim(),
            lmTemperature: _lmTemperature != 0.85 ? _lmTemperature : null,
            lmCfgScale: _lmCfgScale != 2.5 ? _lmCfgScale : null,
            lmTopP: _lmTopP != 0.9 ? _lmTopP : null,
            lmRepetitionPenalty:
                _lmRepetitionPenalty != 1.0 ? _lmRepetitionPenalty : null,
            useTiledDecode: !_useTiledDecode ? false : null,
            constrainedDecoding: !_constrainedDecoding ? false : null,
            useCotCaption: !_useCotCaption ? false : null,
            isFormatCaption: _isFormatCaption ? true : null,
            allowLmBatch: !_allowLmBatch ? false : null,
            trackName: _trackNameCtrl.text.trim().isEmpty
                ? null
                : _trackNameCtrl.text.trim(),
            projeId: ref.read(projeProvider)?.id,
            projeKlasoru: ref.read(projeProvider)?.klasorYolu,
            formSnapshot: formSnapshot,
          );
      if (mounted) {
        final n = yeniGorevler.length;
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(n > 1
                ? '$n varyant kuyruğa eklendi (batch)'
                : 'Üretim kuyruğa eklendi'),
            backgroundColor: n > 1 ? Colors.deepPurple : null,
          ),
        );
      }
    } catch (e) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text('Hata: $e'), backgroundColor: Colors.red),
        );
      }
    } finally {
      if (mounted) setState(() => _gonderiyor = false);
    }
  }

  Future<void> _rastgeleSample() async {
    if (!await AceStepApiIstemci.portAcikMi()) return;
    final api = AceStepApiIstemci();
    final sonuc = await api.rastgeleSampleOlustur(
      description: _sampleQueryCtrl.text,
      vocalLanguage: _dil,
    );
    if (sonuc.isNotEmpty && mounted) {
      _promptCtrl.text = sonuc['prompt']?.toString() ??
          sonuc['caption']?.toString() ??
          _promptCtrl.text;
      _lyricsCtrl.text = sonuc['lyrics']?.toString() ?? _lyricsCtrl.text;
      setState(() {});
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('LLM ile prompt + sözler dolduruldu')),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    final durum = ref.watch(aceStepProvider);
    final theme = Theme.of(context);

    // Görev kartından "forma yükle" sinyali geldiğinde formu doldur
    ref.listen<AceStepGorev?>(aceStepFormaYukleProvider, (eski, yeni) {
      if (yeni != null) {
        _formdanYukle(yeni);
        // Sinyali tüket
        ref.read(aceStepFormaYukleProvider.notifier).state = null;
      }
    });

    return Column(
      children: [
        _UstBar(durum: durum),
        Expanded(
          child: durum.apiCalisiyor
              ? Row(
                  children: [
                    Expanded(
                      flex: 3,
                      child: _UretimFormu(state: this),
                    ),
                    Container(
                      width: 1,
                      color: theme.dividerColor,
                    ),
                    const Expanded(
                      flex: 2,
                      child: _GorevListesi(),
                    ),
                  ],
                )
              : _ApiBaslamaEkrani(durum: durum),
        ),
      ],
    );
  }
}

class _UstBar extends ConsumerWidget {
  final AceStepDurum durum;
  const _UstBar({required this.durum});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final theme = Theme.of(context);
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
      decoration: BoxDecoration(
        color: theme.colorScheme.surface,
        border: Border(bottom: BorderSide(color: theme.dividerColor)),
      ),
      child: Row(
        children: [
          Icon(Icons.music_note, color: theme.colorScheme.primary, size: 28),
          const SizedBox(width: 8),
          Text('ACE-Step', style: theme.textTheme.titleLarge),
          const SizedBox(width: 4),
          Text('Müzik Üretici',
              style: theme.textTheme.labelSmall?.copyWith(
                color: theme.colorScheme.outline,
              )),
          const SizedBox(width: 12),
          Consumer(builder: (ctx, wref, _) {
            final aktifProje = wref.watch(projeProvider);
            if (aktifProje == null) return const SizedBox.shrink();
            return Container(
              padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
              decoration: BoxDecoration(
                color: theme.colorScheme.primary.withValues(alpha: 0.18),
                borderRadius: BorderRadius.circular(14),
                border:
                    Border.all(color: theme.colorScheme.primary, width: 1),
              ),
              child: Row(
                mainAxisSize: MainAxisSize.min,
                children: [
                  Icon(Icons.movie_creation_outlined,
                      size: 12, color: theme.colorScheme.primary),
                  const SizedBox(width: 4),
                  ConstrainedBox(
                    constraints: const BoxConstraints(maxWidth: 220),
                    child: Text(
                      aktifProje.isim,
                      maxLines: 1,
                      overflow: TextOverflow.ellipsis,
                      style: TextStyle(
                          fontSize: 11,
                          fontWeight: FontWeight.w600,
                          color: theme.colorScheme.primary),
                    ),
                  ),
                ],
              ),
            );
          }),
          const SizedBox(width: 12),
          // API durum
          _DurumChipi(
            etiket: 'API',
            calisiyor: durum.apiCalisiyor,
            port: 8001,
            onTikla: () =>
                ref.read(aceStepProvider.notifier).apiBaslat(),
          ),
          const SizedBox(width: 6),
          _DurumChipi(
            etiket: 'Gradio',
            calisiyor: durum.gradioCalisiyor,
            port: 7860,
            onTikla: () =>
                ref.read(aceStepProvider.notifier).gradioBaslat(),
          ),
          const Spacer(),
          IconButton(
            icon: const Icon(Icons.bookmark_add_outlined, size: 20),
            tooltip: 'Müzik LoRA Yöneticisi (indir/yönet)',
            onPressed: () =>
                LoraYoneticisiModal.goster(context, LoraModulu.muzik),
          ),
          if (durum.gradioCalisiyor)
            IconButton(
              icon: const Icon(Icons.web_outlined, size: 20),
              tooltip: 'Gradio UI tarayıcıda aç',
              onPressed: () => launchUrl(Uri.parse(durum.gradioUrl)),
            ),
          if (durum.apiCalisiyor)
            IconButton(
              icon: const Icon(Icons.api_outlined, size: 20),
              tooltip: 'API Docs (Swagger)',
              onPressed: () =>
                  launchUrl(Uri.parse('${durum.apiUrl}/docs')),
            ),
        ],
      ),
    );
  }
}

class _DurumChipi extends StatelessWidget {
  final String etiket;
  final bool calisiyor;
  final int port;
  final VoidCallback onTikla;
  const _DurumChipi({
    required this.etiket,
    required this.calisiyor,
    required this.port,
    required this.onTikla,
  });

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: calisiyor ? null : onTikla,
      borderRadius: BorderRadius.circular(10),
      child: Container(
        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
        decoration: BoxDecoration(
          color: calisiyor
              ? Colors.green.withValues(alpha: 0.2)
              : Colors.grey.withValues(alpha: 0.2),
          borderRadius: BorderRadius.circular(10),
          border: Border.all(
            color: calisiyor ? Colors.green : Colors.grey,
            width: 1,
          ),
        ),
        child: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: 6,
              height: 6,
              decoration: BoxDecoration(
                shape: BoxShape.circle,
                color: calisiyor ? Colors.green : Colors.grey,
              ),
            ),
            const SizedBox(width: 6),
            Text(
              calisiyor ? '$etiket :$port' : '$etiket başlat',
              style: const TextStyle(fontSize: 11),
            ),
          ],
        ),
      ),
    );
  }
}

class _ApiBaslamaEkrani extends ConsumerWidget {
  final AceStepDurum durum;
  const _ApiBaslamaEkrani({required this.durum});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final theme = Theme.of(context);
    return Center(
      child: ConstrainedBox(
        constraints: const BoxConstraints(maxWidth: 480),
        child: Padding(
          padding: const EdgeInsets.all(40),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(Icons.cloud_off, size: 72, color: theme.colorScheme.outline)
                  .animate()
                  .fadeIn(duration: 300.ms),
              const SizedBox(height: 16),
              Text(
                'ACE-Step API Server kapalı',
                style: theme.textTheme.titleLarge,
              ),
              const SizedBox(height: 8),
              Text(
                'Native müzik üretimi için ACE-Step REST API server\'ı (port 8001) çalışmalı. '
                'Bu, Gradio UI\'sından farklı — daha hızlı, daha kontrollü, doğrudan API.',
                textAlign: TextAlign.center,
                style: theme.textTheme.bodyMedium,
              ),
              if (durum.hata != null) ...[
                const SizedBox(height: 8),
                Text(durum.hata!,
                    style: const TextStyle(color: Colors.red, fontSize: 12)),
              ],
              const SizedBox(height: 24),
              FilledButton.icon(
                icon: const Icon(Icons.play_arrow),
                label: const Text('API Server\'ı Başlat'),
                onPressed: () =>
                    ref.read(aceStepProvider.notifier).apiBaslat(),
              ),
              const SizedBox(height: 8),
              OutlinedButton.icon(
                icon: const Icon(Icons.web),
                label: const Text('Gradio UI Başlat (alternatif)'),
                onPressed: () =>
                    ref.read(aceStepProvider.notifier).gradioBaslat(),
              ),
              const SizedBox(height: 24),
              Container(
                padding: const EdgeInsets.all(12),
                decoration: BoxDecoration(
                  color: theme.colorScheme.surfaceContainerHighest,
                  borderRadius: BorderRadius.circular(6),
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Row(children: [
                      Icon(Icons.info_outline,
                          size: 14, color: theme.colorScheme.outline),
                      const SizedBox(width: 6),
                      Text(
                        'İlk başlatmada model indirme ~5-10 dk sürebilir',
                        style: theme.textTheme.labelSmall,
                      ),
                    ]),
                    const SizedBox(height: 4),
                    Text(
                      'Konum: video-uretim\\ace-step\\ACE-Step-1.5\\start_api_server.bat',
                      style: theme.textTheme.labelSmall?.copyWith(
                          fontFamily: 'monospace'),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

class _UretimFormu extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _UretimFormu({required this.state});

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return SingleChildScrollView(
      controller: state._formScrollCtrl,
      padding: const EdgeInsets.all(20),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          // Sihirbaz + şablon barı
          _SihirbazVeSablonBar(state: state),
          const SizedBox(height: 12),
          // Görev tipi seçici
          _GorevTipiSecici(state: state),
          const SizedBox(height: 12),
          // Sample mode
          Card(
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 12),
              child: SwitchListTile(
                contentPadding: EdgeInsets.zero,
                dense: true,
                title: const Text('Sample Mode (LLM otomatik üret)'),
                subtitle: const Text(
                  'Açıkken: kısa açıklama yaz, LLM caption + lyrics + her şeyi yapsın',
                  style: TextStyle(fontSize: 11),
                ),
                value: state._sampleMode,
                onChanged: (v) => state.setState(() => state._sampleMode = v),
              ),
            ),
          ),
          const SizedBox(height: 12),
          if (state._sampleMode)
            _Bolum(
              etiket: 'AÇIKLAMA (sample query)',
              icon: Icons.text_snippet,
              child: TextField(
                controller: state._sampleQueryCtrl,
                maxLines: 2,
                decoration: const InputDecoration(
                  hintText:
                      'Örn: lofi rap with melancholic piano about lost love',
                ),
              ),
            )
          else ...[
            _Bolum(
              etiket: 'PROMPT (caption / stil)',
              icon: Icons.short_text,
              trailing: Row(
                mainAxisSize: MainAxisSize.min,
                children: [
                  TextButton.icon(
                    icon: const Icon(Icons.auto_awesome, size: 14),
                    label: const Text('LLM doldur',
                        style: TextStyle(fontSize: 11)),
                    onPressed: state._rastgeleSample,
                  ),
                  IconButton(
                    icon: const Icon(Icons.clear, size: 14),
                    tooltip: 'Promptu temizle',
                    padding: EdgeInsets.zero,
                    constraints: const BoxConstraints(minWidth: 24, minHeight: 24),
                    onPressed: () => state._promptCtrl.clear(),
                  ),
                ],
              ),
              child: TextField(
                controller: state._promptCtrl,
                maxLines: 3,
                decoration: const InputDecoration(
                  hintText:
                      'Örn: trap, dark melodic, 808 bass, female vocals',
                ),
              ),
            ),
            const SizedBox(height: 12),
            _Bolum(
              etiket: 'SÖZLER (lyrics, opsiyonel)',
              icon: Icons.lyrics_outlined,
              child: TextField(
                controller: state._lyricsCtrl,
                maxLines: 6,
                decoration: const InputDecoration(
                  hintText:
                      '[verse]\n...\n[chorus]\n...\n\nBoş bırakırsan enstrümantal',
                ),
              ),
            ),
            const SizedBox(height: 8),
            CheckboxListTile(
              contentPadding: EdgeInsets.zero,
              dense: true,
              title: const Text('use_format (LLM ile lirik düzelt)',
                  style: TextStyle(fontSize: 12)),
              value: state._useFormat,
              onChanged: (v) =>
                  state.setState(() => state._useFormat = v ?? false),
            ),
          ],
          const SizedBox(height: 12),
          // Kaynak ses dosyası (görev tipine göre değişir)
          _KaynakSesAlani(state: state),
          const SizedBox(height: 12),
          // Text2music modunda OPSIYONEL stil referansı
          if (state._taskType == 'text2music')
            _Bolum(
              etiket: 'STİL REFERANS SES (opsiyonel — bu sese benzetsin)',
              icon: Icons.style,
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  _DosyaSecici(
                    yol: state._referenceAudioPath,
                    tip: 'audio',
                    onSec: (yol) => state.setState(
                        () => state._referenceAudioPath = yol),
                    onTemizle: () => state.setState(
                        () => state._referenceAudioPath = null),
                  ),
                  if (state._referenceAudioPath != null) ...[
                    const SizedBox(height: 6),
                    Row(
                      children: [
                        const SizedBox(
                          width: 100,
                          child: Text('Benzetme gücü',
                              style: TextStyle(fontSize: 11)),
                        ),
                        Expanded(
                          child: Slider(
                            value: state._audioCoverStrength,
                            min: 0,
                            max: 1,
                            divisions: 20,
                            label: state._audioCoverStrength
                                .toStringAsFixed(2),
                            onChanged: (v) => state.setState(
                                () => state._audioCoverStrength = v),
                          ),
                        ),
                        SizedBox(
                          width: 40,
                          child: Text(
                            state._audioCoverStrength.toStringAsFixed(2),
                            style: const TextStyle(
                              fontSize: 11,
                              fontFamily: 'monospace',
                            ),
                          ),
                        ),
                      ],
                    ),
                    Text(
                      '0=hiç benzetme · 1=tamamen taklit · 0.5 önerilen',
                      style: Theme.of(context).textTheme.labelSmall,
                    ),
                  ],
                ],
              ),
            ),
          if (state._taskType == 'text2music' &&
              state._referenceAudioPath == null)
            const SizedBox(height: 12)
          else if (state._taskType == 'text2music')
            const SizedBox(height: 12),
          // Süre
          _Bolum(
            etiket: 'SÜRE',
            icon: Icons.timer_outlined,
            child: Column(
              children: [
                Row(
                  children: [
                    Switch(
                      value: !state._sureBelirsiz,
                      onChanged: (v) =>
                          state.setState(() => state._sureBelirsiz = !v),
                    ),
                    const SizedBox(width: 8),
                    Expanded(
                      child: Text(
                        state._sureBelirsiz
                            ? 'Otomatik süre (LLM karar verir)'
                            : 'Sabit: ${state._sure.toInt()}s (${(state._sure / 60).toStringAsFixed(1)}dk)',
                        style: const TextStyle(fontSize: 12),
                      ),
                    ),
                  ],
                ),
                if (!state._sureBelirsiz)
                  Slider(
                    value: state._sure,
                    min: 10,
                    max: 300,
                    divisions: 290,
                    label: '${state._sure.toInt()}s',
                    onChanged: (v) =>
                        state.setState(() => state._sure = v),
                  ),
              ],
            ),
          ),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(
                child: _Bolum(
                  etiket: 'STEPS',
                  icon: Icons.linear_scale,
                  child: Column(
                    children: [
                      Slider(
                        value: state._steps.toDouble(),
                        min: 4,
                        max: 50,
                        divisions: 46,
                        label: state._steps.toString(),
                        onChanged: (v) =>
                            state.setState(() => state._steps = v.round()),
                      ),
                      Text(
                        '${state._steps} adım · ${state._steps < 10 ? "hızlı" : state._steps < 25 ? "dengeli" : "kaliteli"}',
                        style: theme.textTheme.labelSmall,
                      ),
                    ],
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'CFG',
                  icon: Icons.compass_calibration,
                  child: Column(
                    children: [
                      Slider(
                        value: state._cfg,
                        min: 1,
                        max: 15,
                        divisions: 28,
                        label: state._cfg.toStringAsFixed(1),
                        onChanged: (v) =>
                            state.setState(() => state._cfg = v),
                      ),
                      Text(
                        '${state._cfg.toStringAsFixed(1)} · ${state._cfg < 4 ? "serbest" : state._cfg < 8 ? "dengeli" : "bağımlı"}',
                        style: theme.textTheme.labelSmall,
                      ),
                    ],
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'VARYANT (BATCH)',
                  icon: Icons.layers,
                  child: Column(
                    children: [
                      Slider(
                        value: state._batchSize.toDouble(),
                        min: 1,
                        max: 8,
                        divisions: 7,
                        label: state._batchSize.toString(),
                        onChanged: (v) => state
                            .setState(() => state._batchSize = v.round()),
                      ),
                      Text(
                        '${state._batchSize} varyant · aynı promptla farklı seed',
                        style: theme.textTheme.labelSmall,
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(
                child: _Bolum(
                  etiket: 'BPM',
                  icon: Icons.speed,
                  child: TextField(
                    controller: state._bpmCtrl,
                    keyboardType: TextInputType.number,
                    decoration: const InputDecoration(hintText: 'Otomatik'),
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'KEY',
                  icon: Icons.piano,
                  child: TextField(
                    controller: state._keyCtrl,
                    decoration: const InputDecoration(hintText: 'Cmaj/Amin'),
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'TIME SIG',
                  icon: Icons.alarm,
                  child: TextField(
                    controller: state._timeSignatureCtrl,
                    decoration: const InputDecoration(hintText: '4/4'),
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                flex: 2,
                child: _Bolum(
                  etiket: 'VOCAL DİLİ',
                  icon: Icons.language,
                  trailing: Tooltip(
                    message: state._dilOtomatik
                        ? 'Otomatik: LLM her satır için dili kendisi tespit eder '
                          '(çok dilli şarkılar için ideal)\nKapatmak için tıkla'
                        : 'Manuel: sabit dil kullanılır\nOtomatik için tıkla',
                    child: FilterChip(
                      visualDensity: VisualDensity.compact,
                      label: Row(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Icon(state._dilOtomatik
                              ? Icons.auto_awesome
                              : Icons.translate, size: 11),
                          const SizedBox(width: 3),
                          Text(state._dilOtomatik ? 'Oto' : 'Manuel',
                              style: const TextStyle(fontSize: 10)),
                        ],
                      ),
                      selected: state._dilOtomatik,
                      onSelected: (v) =>
                          state.setState(() => state._dilOtomatik = v),
                    ),
                  ),
                  child: DropdownButtonFormField<String>(
                    initialValue: state._dil,
                    decoration: InputDecoration(
                      isDense: true,
                      helperText: state._dilOtomatik
                          ? 'Fallback dil (otomatik tespit başarısızsa)'
                          : 'Tüm vokal bu dilde söylenir',
                      helperMaxLines: 2,
                    ),
                    items: const [
                      DropdownMenuItem(value: 'tr', child: Text('Türkçe')),
                      DropdownMenuItem(value: 'en', child: Text('İngilizce')),
                      DropdownMenuItem(value: 'es', child: Text('İspanyolca')),
                      DropdownMenuItem(value: 'fr', child: Text('Fransızca')),
                      DropdownMenuItem(value: 'de', child: Text('Almanca')),
                      DropdownMenuItem(value: 'it', child: Text('İtalyanca')),
                      DropdownMenuItem(value: 'ja', child: Text('Japonca')),
                      DropdownMenuItem(value: 'ko', child: Text('Korece')),
                      DropdownMenuItem(value: 'zh', child: Text('Çince')),
                      DropdownMenuItem(value: 'ru', child: Text('Rusça')),
                      DropdownMenuItem(value: 'ar', child: Text('Arapça')),
                      DropdownMenuItem(value: 'pt', child: Text('Portekizce')),
                      DropdownMenuItem(value: 'hi', child: Text('Hintçe')),
                    ],
                    onChanged: (v) =>
                        v != null ? state.setState(() => state._dil = v) : null,
                  ),
                ),
              ),
            ],
          ),
          const SizedBox(height: 12),
          // Model
          _Bolum(
            etiket: 'MODEL',
            icon: Icons.memory,
            trailing: IconButton(
              icon: const Icon(Icons.refresh, size: 14),
              tooltip: 'Yenile',
              padding: EdgeInsets.zero,
              constraints: const BoxConstraints(minWidth: 24, minHeight: 24),
              onPressed: state._modelleriYukle,
            ),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                if (state._modelleryukleniyor)
                  const LinearProgressIndicator(minHeight: 2)
                else if (state._modeller.isEmpty)
                  Text(
                    'Model listesi alınamadı (varsayılan kullanılır)',
                    style: theme.textTheme.labelSmall,
                  )
                else
                  DropdownButtonFormField<String?>(
                    initialValue: state._model,
                    decoration:
                        const InputDecoration(hintText: 'Varsayılan'),
                    items: [
                      const DropdownMenuItem(
                          value: null, child: Text('Varsayılan')),
                      ...state._modeller.map((m) {
                        final id = m['id']?.toString() ??
                            m['model_id']?.toString() ??
                            m['name']?.toString() ??
                            m['model']?.toString() ??
                            m.values.firstOrNull?.toString() ??
                            '?';
                        return DropdownMenuItem(value: id, child: Text(id));
                      }),
                    ],
                    onChanged: (v) => state.setState(() => state._model = v),
                  ),
                CheckboxListTile(
                  contentPadding: EdgeInsets.zero,
                  dense: true,
                  title: const Text('thinking (LM ile audio code üret)',
                      style: TextStyle(fontSize: 12)),
                  subtitle: const Text(
                    'Açıkken: 5Hz LM ile yüksek kalite audio code (yavaş)',
                    style: TextStyle(fontSize: 10),
                  ),
                  value: state._thinking,
                  onChanged: (v) =>
                      state.setState(() => state._thinking = v ?? false),
                ),
              ],
            ),
          ),
          const SizedBox(height: 12),
          // Seed
          _Bolum(
            etiket: 'SEED',
            icon: Icons.casino,
            child: Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: state._seedCtrl,
                    keyboardType: TextInputType.number,
                    decoration: const InputDecoration(hintText: 'Rastgele'),
                  ),
                ),
                const SizedBox(width: 8),
                Row(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Checkbox(
                      value: state._useRandomSeed,
                      onChanged: (v) => state.setState(
                          () => state._useRandomSeed = v ?? true),
                    ),
                    const Text('Rastgele', style: TextStyle(fontSize: 11)),
                  ],
                ),
              ],
            ),
          ),
          const SizedBox(height: 12),
          // Gelişmiş ayarlar
          Card(
            child: ExpansionTile(
              tilePadding: const EdgeInsets.symmetric(horizontal: 12),
              title: const Row(
                children: [
                  Icon(Icons.tune, size: 18),
                  SizedBox(width: 8),
                  Text('Gelişmiş Ayarlar'),
                ],
              ),
              subtitle: const Text(
                'Diffusion / inference / repaint parametreleri',
                style: TextStyle(fontSize: 11),
              ),
              initiallyExpanded: state._gelismisAcik,
              onExpansionChanged: (v) =>
                  state.setState(() => state._gelismisAcik = v),
              children: [
                Padding(
                  padding: const EdgeInsets.all(12),
                  child: _GelismisAyarlar(state: state),
                ),
              ],
            ),
          ),
          const SizedBox(height: 8),
          // LM (Language Model) / Lirik ayarları
          Card(
            child: ExpansionTile(
              tilePadding: const EdgeInsets.symmetric(horizontal: 12),
              title: const Row(
                children: [
                  Icon(Icons.auto_stories, size: 18),
                  SizedBox(width: 8),
                  Text('LM / Lirik Ayarları'),
                ],
              ),
              subtitle: const Text(
                'Negative prompt / temperature / CFG / decoder',
                style: TextStyle(fontSize: 11),
              ),
              initiallyExpanded: state._lmAyarlariAcik,
              onExpansionChanged: (v) =>
                  state.setState(() => state._lmAyarlariAcik = v),
              children: [
                Padding(
                  padding: const EdgeInsets.all(12),
                  child: _LmAyarlari(state: state),
                ),
              ],
            ),
          ),
          const SizedBox(height: 8),
          // Çıkış ayarları
          Card(
            child: ExpansionTile(
              tilePadding: const EdgeInsets.symmetric(horizontal: 12),
              title: const Row(
                children: [
                  Icon(Icons.output, size: 18),
                  SizedBox(width: 8),
                  Text('Çıkış Ayarları'),
                ],
              ),
              subtitle: const Text(
                'Format / bitrate / normalization / fade / LoRA',
                style: TextStyle(fontSize: 11),
              ),
              initiallyExpanded: state._ciktiAcik,
              onExpansionChanged: (v) =>
                  state.setState(() => state._ciktiAcik = v),
              children: [
                Padding(
                  padding: const EdgeInsets.all(12),
                  child: _CikisAyarlari(state: state),
                ),
              ],
            ),
          ),
          const SizedBox(height: 16),
          FilledButton.icon(
            icon: state._gonderiyor
                ? const SizedBox(
                    width: 14,
                    height: 14,
                    child: CircularProgressIndicator(strokeWidth: 2),
                  )
                : const Icon(Icons.music_note),
            label: const Text('Müzik Üret'),
            style: FilledButton.styleFrom(
              padding: const EdgeInsets.symmetric(vertical: 16),
              textStyle: const TextStyle(fontSize: 14),
            ),
            onPressed: state._gonderiyor ? null : state._uret,
          ),
        ],
      ),
    );
  }
}

class _KaynakSesAlani extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _KaynakSesAlani({required this.state});

  bool get _useSrc =>
      state._taskType == 'audio2audio' ||
      state._taskType == 'extend' ||
      state._taskType == 'complete';

  bool get _aralikSecimiVar =>
      state._taskType == 'repaint' || state._taskType == 'extend';

  String? _kaynakYol() =>
      _useSrc ? state._srcAudioPath : state._referenceAudioPath;

  void _kaynakAyarla(String? yol) {
    if (_useSrc) {
      state._srcAudioPath = yol;
    } else {
      state._referenceAudioPath = yol;
    }
  }

  @override
  Widget build(BuildContext context) {
    final tip = state._taskType;
    if (tip == 'text2music') return const SizedBox.shrink();
    final etiket = switch (tip) {
      'audio2audio' => 'KAYNAK SES (audio2audio)',
      'cover' => 'KAYNAK ŞARKI (cover edilecek)',
      'repaint' => 'KAYNAK ŞARKI · değiştirilecek bölümü slider ile seç',
      'lego' => 'MEVCUT TRACK\'LER (yeni track eklenecek)',
      'extend' => 'KAYNAK ŞARKI · uzatma başlangıç noktasını slider ile belirle',
      'complete' => 'YARIM ŞARKI (tamamlanacak)',
      'extract' => 'ANALİZ EDİLECEK SES',
      _ => 'KAYNAK SES',
    };

    final yol = _kaynakYol();
    final yolDoluVeVar = yol != null && File(yol).existsSync();

    return _Bolum(
      etiket: etiket,
      icon: Icons.audiotrack,
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          _DosyaSecici(
            yol: yol,
            tip: 'audio',
            onSec: (y) => state.setState(() => _kaynakAyarla(y)),
            onTemizle: () => state.setState(() => _kaynakAyarla(null)),
          ),
          // Range slider'lı oynatıcı (sadece repaint + extend gibi aralık gerektirenlerde)
          if (yolDoluVeVar && _aralikSecimiVar) ...[
            const SizedBox(height: 8),
            Container(
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
              decoration: BoxDecoration(
                color: Theme.of(context).colorScheme.surfaceContainerHighest,
                borderRadius: BorderRadius.circular(6),
                border: Border.all(color: Theme.of(context).dividerColor),
              ),
              child: SesAralikOynatici(
                key: ValueKey('kaynak-aralik-$yol'),
                dosyaYolu: yol,
                basla: state._repaintingStart,
                bit: state._repaintingEnd ?? 30.0,
                onAralikDegisti: (b, e) {
                  state.setState(() {
                    state._repaintingStart = b;
                    state._repaintingEnd = e;
                  });
                },
              ),
            ),
          ],
        ],
      ),
    );
  }
}

class _GorevTipiSecici extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _GorevTipiSecici({required this.state});

  String _aciklama(String tip) => switch (tip) {
        'text2music' => 'Sadece prompt+sözlerden müzik üret',
        'cover' => 'Mevcut şarkıyı farklı stilde yeniden seslendir',
        'repaint' => 'Mevcut şarkının bir bölümünü değiştir (start/end aralık)',
        'lego' => 'Mevcut track\'lere yeni track ekle (sadece base model)',
        'extract' => 'Sadece audio code/analiz çıkar (üretim yok)',
        'complete' => 'Yarım şarkıyı tamamla',
        'audio2audio' => 'Mevcut sesi başka bir versiyona dönüştür',
        'extend' => 'Mevcut şarkıyı uzat (devamını yaz)',
        _ => '',
      };

  bool _kaynakSesGerek(String tip) =>
      tip != 'text2music';

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text('GÖREV TİPİ', style: theme.textTheme.labelSmall),
        const SizedBox(height: 4),
        Wrap(
          spacing: 6,
          runSpacing: 6,
          children: [
            _gorevChipi(context, 'text2music', 'Text → Müzik', Icons.text_format),
            _gorevChipi(context, 'cover', 'Cover', Icons.album),
            _gorevChipi(context, 'repaint', 'Repaint', Icons.edit),
            _gorevChipi(context, 'lego', 'Lego (track ekle)', Icons.extension),
            _gorevChipi(context, 'extend', 'Uzat', Icons.add_box),
            _gorevChipi(context, 'complete', 'Tamamla', Icons.check_box),
            _gorevChipi(context, 'audio2audio', 'Audio → Audio', Icons.swap_horiz),
            _gorevChipi(context, 'extract', 'Sadece Analiz', Icons.analytics),
          ],
        ),
        const SizedBox(height: 6),
        Container(
          padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
          decoration: BoxDecoration(
            color: theme.colorScheme.primary.withValues(alpha: 0.1),
            borderRadius: BorderRadius.circular(4),
          ),
          child: Row(
            children: [
              Icon(Icons.info_outline,
                  size: 14, color: theme.colorScheme.primary),
              const SizedBox(width: 6),
              Expanded(
                child: Text(
                  _aciklama(state._taskType) +
                      (_kaynakSesGerek(state._taskType)
                          ? ' · Kaynak ses gerekir'
                          : ''),
                  style: theme.textTheme.labelSmall,
                ),
              ),
            ],
          ),
        ),
      ],
    );
  }

  Widget _gorevChipi(
      BuildContext ctx, String deger, String etiket, IconData icon) {
    final secili = state._taskType == deger;
    final theme = Theme.of(ctx);
    return InkWell(
      onTap: () => state.setState(() => state._taskType = deger),
      borderRadius: BorderRadius.circular(4),
      child: Container(
        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
        decoration: BoxDecoration(
          color: secili
              ? theme.colorScheme.primary
              : theme.colorScheme.surfaceContainerHighest,
          borderRadius: BorderRadius.circular(4),
          border: Border.all(
            color: secili
                ? theme.colorScheme.primary
                : theme.dividerColor,
          ),
        ),
        child: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            Icon(icon, size: 14, color: secili ? Colors.black : null),
            const SizedBox(width: 6),
            Text(
              etiket,
              style: TextStyle(
                fontSize: 11,
                color: secili ? Colors.black : null,
                fontWeight: secili ? FontWeight.bold : null,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

/// Sihirbaz + şablon bar — formun en üstünde gözükür.
/// - "Sihirbaz" butonu: AceStepSihirbazDialog açar, sonucu form'a uygular
/// - "Şablonlar" dropdown: kaydedilmiş şablonları listeler, seçince yükler
/// - "Şablon olarak kaydet" butonu: mevcut form ayarlarını şablon yapar
class _SihirbazVeSablonBar extends ConsumerWidget {
  final _AceStepSayfasiState state;
  const _SihirbazVeSablonBar({required this.state});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final theme = Theme.of(context);
    final sablonlar = ref.watch(aceStepSablonProvider);
    return Card(
      color: theme.colorScheme.primaryContainer.withValues(alpha: 0.25),
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
        child: Row(
          children: [
            // Sihirbaz
            FilledButton.icon(
              icon: const Icon(Icons.auto_fix_high, size: 16),
              label: const Text('Sihirbaz'),
              style: FilledButton.styleFrom(
                padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
              ),
              onPressed: () => _sihirbaziAc(context, ref),
            ),
            const SizedBox(width: 8),
            // Şablonlar dropdown
            PopupMenuButton<String>(
              tooltip: 'Şablon yükle',
              offset: const Offset(0, 36),
              onSelected: (id) => _sablonYukle(context, ref, id),
              itemBuilder: (ctx) {
                if (sablonlar.isEmpty) {
                  return [
                    const PopupMenuItem(
                      enabled: false,
                      child: Text('Henüz şablon yok',
                          style: TextStyle(fontSize: 12)),
                    ),
                  ];
                }
                return sablonlar.map((s) {
                  return PopupMenuItem(
                    value: s.id,
                    child: Row(
                      children: [
                        Icon(
                          s.yerlesik
                              ? Icons.bookmark
                              : Icons.bookmark_border,
                          size: 14,
                          color: s.yerlesik ? theme.colorScheme.primary : null,
                        ),
                        const SizedBox(width: 8),
                        Expanded(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            mainAxisSize: MainAxisSize.min,
                            children: [
                              Text(s.isim,
                                  style: const TextStyle(fontSize: 13)),
                              if (s.aciklama != null)
                                Text(s.aciklama!,
                                    style: TextStyle(
                                      fontSize: 10,
                                      color: theme.colorScheme.outline,
                                    )),
                            ],
                          ),
                        ),
                        if (!s.yerlesik)
                          IconButton(
                            icon: const Icon(Icons.delete_outline, size: 14),
                            padding: EdgeInsets.zero,
                            constraints: const BoxConstraints(
                                minWidth: 24, minHeight: 24),
                            onPressed: () {
                              Navigator.of(ctx).pop();
                              _sablonSil(context, ref, s.id, s.isim);
                            },
                          ),
                      ],
                    ),
                  );
                }).toList();
              },
              child: Container(
                padding:
                    const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
                decoration: BoxDecoration(
                  color: theme.colorScheme.surface,
                  borderRadius: BorderRadius.circular(6),
                  border: Border.all(color: theme.dividerColor),
                ),
                child: Row(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    const Icon(Icons.bookmarks_outlined, size: 16),
                    const SizedBox(width: 6),
                    Text(
                      'Şablonlar (${sablonlar.length})',
                      style: const TextStyle(fontSize: 12),
                    ),
                    const Icon(Icons.arrow_drop_down, size: 18),
                  ],
                ),
              ),
            ),
            const SizedBox(width: 8),
            // Şablon olarak kaydet
            OutlinedButton.icon(
              icon: const Icon(Icons.bookmark_add_outlined, size: 14),
              label: const Text('Şablona kaydet',
                  style: TextStyle(fontSize: 12)),
              style: OutlinedButton.styleFrom(
                padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
              ),
              onPressed: () => _mevcutFormuSablonYap(context, ref),
            ),
            const Spacer(),
            // Bilgi
            Text(
              '💾 Son ayarlar otomatik kaydedilir',
              style: theme.textTheme.bodySmall?.copyWith(
                color: theme.colorScheme.outline,
                fontStyle: FontStyle.italic,
              ),
            ),
          ],
        ),
      ),
    );
  }

  Future<void> _sihirbaziAc(BuildContext context, WidgetRef ref) async {
    final sonuc = await showDialog<SihirbazSonuc>(
      context: context,
      useRootNavigator: true,
      builder: (_) => const AceStepSihirbazDialog(),
    );
    if (sonuc != null) {
      _sihirbazSonucuFormaUygula(sonuc);
      if (context.mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text('✨ Sihirbaz ayarları forma uygulandı')),
        );
      }
    }
  }

  void _sihirbazSonucuFormaUygula(SihirbazSonuc sonuc) {
    state.setState(() {
      state._promptCtrl.text = sonuc.prompt;
      state._lmNegativePromptCtrl.text = sonuc.negatifPrompt;
      state._bpmCtrl.text = sonuc.bpm.toString();
      state._dil = sonuc.dil;
      state._cfg = sonuc.cfg;
      state._lmTemperature = sonuc.lmTemperature;
      // Lyrics taslağı sadece boşsa doldur (kullanıcıyı yazdığını silme)
      if (state._lyricsCtrl.text.trim().isEmpty &&
          sonuc.onerilenLyricsTaslak.isNotEmpty) {
        state._lyricsCtrl.text = sonuc.onerilenLyricsTaslak;
      }
    });
    // Anında kaydet — kullanıcı hemen kapatırsa ayarlar kaybolmasın
    final aktifProje = state.ref.read(projeProvider);
    AceStepSonAyar.kaydetHemen(
      ayarlar: state._tumFormuTopla(),
      projeKlasoru: aktifProje?.klasorYolu,
    );
  }

  Future<void> _sablonYukle(
      BuildContext context, WidgetRef ref, String id) async {
    final sablon = ref.read(aceStepSablonProvider.notifier).bul(id);
    if (sablon == null) return;
    final ay = sablon.ayarlar;
    state.setState(() {
      if (ay['prompt'] is String) state._promptCtrl.text = ay['prompt'];
      if (ay['negatifPrompt'] is String) {
        state._lmNegativePromptCtrl.text = ay['negatifPrompt'];
      }
      if (ay['bpm'] is num) {
        state._bpmCtrl.text = (ay['bpm'] as num).toInt().toString();
      }
      if (ay['dil'] is String) state._dil = ay['dil'];
      if (ay['cfg'] is num) state._cfg = (ay['cfg'] as num).toDouble();
      if (ay['lmTemperature'] is num) {
        state._lmTemperature = (ay['lmTemperature'] as num).toDouble();
      }
      if (ay['onerilenLyricsTaslak'] is String &&
          state._lyricsCtrl.text.trim().isEmpty) {
        state._lyricsCtrl.text = ay['onerilenLyricsTaslak'];
      }
    });
    // Anında kaydet
    final aktifProje = ref.read(projeProvider);
    await AceStepSonAyar.kaydetHemen(
      ayarlar: state._tumFormuTopla(),
      projeKlasoru: aktifProje?.klasorYolu,
    );
    if (context.mounted) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('"${sablon.isim}" şablonu yüklendi')),
      );
    }
  }

  Future<void> _sablonSil(
      BuildContext context, WidgetRef ref, String id, String isim) async {
    final onay = await showDialog<bool>(
      context: context,
      useRootNavigator: true,
      builder: (ctx) => AlertDialog(
        title: const Text('Şablonu sil?'),
        content: Text('"$isim" şablonu kalıcı olarak silinecek.'),
        actions: [
          TextButton(
              onPressed: () => Navigator.of(ctx).pop(false),
              child: const Text('İptal')),
          FilledButton(
            style: FilledButton.styleFrom(backgroundColor: Colors.red),
            onPressed: () => Navigator.of(ctx).pop(true),
            child: const Text('Sil'),
          ),
        ],
      ),
    );
    if (onay == true) {
      await ref.read(aceStepSablonProvider.notifier).sil(id);
    }
  }

  Future<void> _mevcutFormuSablonYap(
      BuildContext context, WidgetRef ref) async {
    final isimCtrl = TextEditingController();
    final aciklamaCtrl = TextEditingController();
    final onay = await showDialog<bool>(
      context: context,
      useRootNavigator: true,
      builder: (ctx) => AlertDialog(
        title: const Text('Mevcut formu şablon olarak kaydet'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            TextField(
              controller: isimCtrl,
              autofocus: true,
              decoration: const InputDecoration(
                labelText: 'Şablon adı',
                isDense: true,
              ),
            ),
            const SizedBox(height: 8),
            TextField(
              controller: aciklamaCtrl,
              maxLines: 2,
              decoration: const InputDecoration(
                labelText: 'Açıklama (opsiyonel)',
                isDense: true,
              ),
            ),
          ],
        ),
        actions: [
          TextButton(
              onPressed: () => Navigator.of(ctx).pop(false),
              child: const Text('İptal')),
          FilledButton(
              onPressed: () => Navigator.of(ctx).pop(true),
              child: const Text('Kaydet')),
        ],
      ),
    );
    if (onay == true && isimCtrl.text.trim().isNotEmpty) {
      final ayarlar = state._tumFormuTopla();
      await ref.read(aceStepSablonProvider.notifier).kaydet(
            isim: isimCtrl.text.trim(),
            aciklama: aciklamaCtrl.text.trim().isEmpty
                ? null
                : aciklamaCtrl.text.trim(),
            ayarlar: ayarlar,
          );
      if (context.mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text('"${isimCtrl.text.trim()}" şablonu kaydedildi')),
        );
      }
    }
  }
}

class _LmAyarlari extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _LmAyarlari({required this.state});

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        // Track adı
        _Bolum(
          etiket: 'TRACK ADI (opsiyonel)',
          icon: Icons.label_outline,
          child: TextField(
            controller: state._trackNameCtrl,
            style: const TextStyle(fontSize: 12),
            decoration: const InputDecoration(
              isDense: true,
              hintText: 'Ör: Çay Şarkısı',
              hintStyle: TextStyle(fontSize: 11),
              contentPadding: EdgeInsets.all(8),
              border: OutlineInputBorder(),
            ),
          ),
        ),
        const SizedBox(height: 12),
        // LM Negative Prompt — kritik!
        _Bolum(
          etiket: 'LM NEGATIVE PROMPT',
          icon: Icons.block,
          child: TextField(
            controller: state._lmNegativePromptCtrl,
            maxLines: 2,
            style: const TextStyle(fontSize: 12),
            decoration: const InputDecoration(
              isDense: true,
              hintText: 'Ör: profanity, depressing tone, generic phrases',
              hintStyle: TextStyle(fontSize: 11),
              contentPadding: EdgeInsets.all(8),
              border: OutlineInputBorder(),
            ),
          ),
        ),
        const SizedBox(height: 12),
        Row(
          children: [
            Expanded(
              child: _Bolum(
                etiket: 'TEMPERATURE: ${state._lmTemperature.toStringAsFixed(2)}',
                icon: Icons.thermostat,
                child: Slider(
                  value: state._lmTemperature,
                  min: 0.0,
                  max: 2.0,
                  divisions: 40,
                  label: state._lmTemperature.toStringAsFixed(2),
                  onChanged: (v) =>
                      state.setState(() => state._lmTemperature = v),
                ),
              ),
            ),
            const SizedBox(width: 8),
            Expanded(
              child: _Bolum(
                etiket: 'LM CFG: ${state._lmCfgScale.toStringAsFixed(1)}',
                icon: Icons.tune,
                child: Slider(
                  value: state._lmCfgScale,
                  min: 1.0,
                  max: 10.0,
                  divisions: 90,
                  label: state._lmCfgScale.toStringAsFixed(1),
                  onChanged: (v) =>
                      state.setState(() => state._lmCfgScale = v),
                ),
              ),
            ),
          ],
        ),
        const SizedBox(height: 12),
        Row(
          children: [
            Expanded(
              child: _Bolum(
                etiket: 'TOP P: ${state._lmTopP.toStringAsFixed(2)}',
                icon: Icons.scatter_plot,
                child: Slider(
                  value: state._lmTopP,
                  min: 0.0,
                  max: 1.0,
                  divisions: 100,
                  label: state._lmTopP.toStringAsFixed(2),
                  onChanged: (v) => state.setState(() => state._lmTopP = v),
                ),
              ),
            ),
            const SizedBox(width: 8),
            Expanded(
              child: _Bolum(
                etiket:
                    'REPETITION: ${state._lmRepetitionPenalty.toStringAsFixed(2)}',
                icon: Icons.repeat,
                child: Slider(
                  value: state._lmRepetitionPenalty,
                  min: 0.5,
                  max: 2.0,
                  divisions: 30,
                  label: state._lmRepetitionPenalty.toStringAsFixed(2),
                  onChanged: (v) =>
                      state.setState(() => state._lmRepetitionPenalty = v),
                ),
              ),
            ),
          ],
        ),
        const Divider(height: 24),
        Text('Decoder & Caption',
            style: theme.textTheme.labelMedium?.copyWith(
              fontWeight: FontWeight.bold,
              color: theme.colorScheme.primary,
            )),
        const SizedBox(height: 4),
        SwitchListTile(
          dense: true,
          contentPadding: EdgeInsets.zero,
          title: const Text('Tiled VAE Decode',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text('VRAM tasarrufu — büyük modellerde önerilir',
              style: TextStyle(fontSize: 10)),
          value: state._useTiledDecode,
          onChanged: (v) => state.setState(() => state._useTiledDecode = v),
        ),
        SwitchListTile(
          dense: true,
          contentPadding: EdgeInsets.zero,
          title: const Text('Constrained Decoding',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text(
              'Codec çıkışını sınırlandır (kalite için önerilir)',
              style: TextStyle(fontSize: 10)),
          value: state._constrainedDecoding,
          onChanged: (v) =>
              state.setState(() => state._constrainedDecoding = v),
        ),
        SwitchListTile(
          dense: true,
          contentPadding: EdgeInsets.zero,
          title: const Text('Chain-of-Thought Caption',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text(
              'LLM caption üretirken adım adım düşünür (kalite ↑)',
              style: TextStyle(fontSize: 10)),
          value: state._useCotCaption,
          onChanged: (v) => state.setState(() => state._useCotCaption = v),
        ),
        SwitchListTile(
          dense: true,
          contentPadding: EdgeInsets.zero,
          title: const Text('Format Caption',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text('Caption formatlamayı zorla',
              style: TextStyle(fontSize: 10)),
          value: state._isFormatCaption,
          onChanged: (v) => state.setState(() => state._isFormatCaption = v),
        ),
        SwitchListTile(
          dense: true,
          contentPadding: EdgeInsets.zero,
          title: const Text('LM Batch İşlem',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text(
              'LLM\'i batch modunda çalıştır (hız ↑, VRAM ↑)',
              style: TextStyle(fontSize: 10)),
          value: state._allowLmBatch,
          onChanged: (v) => state.setState(() => state._allowLmBatch = v),
        ),
      ],
    );
  }
}

class _GelismisAyarlar extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _GelismisAyarlar({required this.state});

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        // Diffusion method
        Row(
          children: [
            Expanded(
              child: _Bolum(
                etiket: 'INFER METHOD',
                icon: Icons.functions,
                child: SegmentedButton<String>(
                  segments: const [
                    ButtonSegment(value: 'ode', label: Text('ODE')),
                    ButtonSegment(value: 'sde', label: Text('SDE')),
                  ],
                  selected: {state._inferMethod},
                  onSelectionChanged: (s) =>
                      state.setState(() => state._inferMethod = s.first),
                ),
              ),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: _Bolum(
                etiket: 'SHIFT (timestep)',
                icon: Icons.timeline,
                child: Column(
                  children: [
                    Slider(
                      value: state._shift,
                      min: 1.0,
                      max: 5.0,
                      divisions: 40,
                      label: state._shift.toStringAsFixed(2),
                      onChanged: (v) =>
                          state.setState(() => state._shift = v),
                    ),
                    Text(state._shift.toStringAsFixed(2),
                        style: const TextStyle(
                            fontSize: 10, fontFamily: 'monospace')),
                  ],
                ),
              ),
            ),
          ],
        ),
        const SizedBox(height: 12),
        Row(
          children: [
            Expanded(
              child: _Bolum(
                etiket: 'CFG INTERVAL START',
                icon: Icons.start,
                child: Slider(
                  value: state._cfgIntervalStart,
                  min: 0,
                  max: 1,
                  divisions: 20,
                  label: state._cfgIntervalStart.toStringAsFixed(2),
                  onChanged: (v) => state.setState(
                      () => state._cfgIntervalStart = v),
                ),
              ),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: _Bolum(
                etiket: 'CFG INTERVAL END',
                icon: Icons.stop,
                child: Slider(
                  value: state._cfgIntervalEnd,
                  min: 0,
                  max: 1,
                  divisions: 20,
                  label: state._cfgIntervalEnd.toStringAsFixed(2),
                  onChanged: (v) =>
                      state.setState(() => state._cfgIntervalEnd = v),
                ),
              ),
            ),
          ],
        ),
        CheckboxListTile(
          contentPadding: EdgeInsets.zero,
          dense: true,
          title: const Text('use_adg (Adaptive Diffusion Guidance)',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text(
            'Açıkken CFG dinamik olarak ayarlanır',
            style: TextStyle(fontSize: 10),
          ),
          value: state._useAdg,
          onChanged: (v) =>
              state.setState(() => state._useAdg = v ?? false),
        ),
        const SizedBox(height: 8),
        _Bolum(
          etiket: 'CUSTOM TIMESTEPS (virgülle ayır)',
          icon: Icons.list_alt,
          child: TextField(
            controller: state._customTimestepsCtrl,
            decoration: const InputDecoration(
              hintText: '0.97,0.76,0.615,0.5,0.395,0.28,0.18,0.085,0',
            ),
          ),
        ),
        const SizedBox(height: 12),
        // Repaint parametreleri (kaynak + range slider üst alanda gösterilir)
        if (state._taskType == 'repaint') ...[
          const Divider(),
          Row(
            children: [
              Expanded(
                child: _Bolum(
                  etiket: 'REPAINT MODE',
                  icon: Icons.draw,
                  child: DropdownButtonFormField<String>(
                    initialValue: state._repaintMode,
                    items: const [
                      DropdownMenuItem(
                          value: 'conservative',
                          child: Text('Conservative')),
                      DropdownMenuItem(
                          value: 'balanced', child: Text('Balanced')),
                      DropdownMenuItem(
                          value: 'aggressive',
                          child: Text('Aggressive')),
                    ],
                    onChanged: (v) => v != null
                        ? state.setState(() => state._repaintMode = v)
                        : null,
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'REPAINT STRENGTH',
                  icon: Icons.opacity,
                  child: Slider(
                    value: state._repaintStrength,
                    min: 0,
                    max: 1,
                    divisions: 20,
                    label: state._repaintStrength.toStringAsFixed(2),
                    onChanged: (v) => state.setState(
                        () => state._repaintStrength = v),
                  ),
                ),
              ),
            ],
          ),
          const SizedBox(height: 4),
          Container(
            padding: const EdgeInsets.all(6),
            decoration: BoxDecoration(
              color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.1),
              borderRadius: BorderRadius.circular(4),
            ),
            child: Row(
              children: [
                Icon(Icons.info_outline,
                    size: 14, color: Theme.of(context).colorScheme.primary),
                const SizedBox(width: 6),
                const Expanded(
                  child: Text(
                    'Hangi bölümün değiştirileceğini üstteki kaynak ses oynatıcısında range slider ile seç (yeşil tutamaklar).',
                    style: TextStyle(fontSize: 11),
                  ),
                ),
              ],
            ),
          ),
        ],
        // Audio cover (audio2audio için)
        if (state._taskType == 'audio2audio') ...[
          const Divider(),
          Row(
            children: [
              Expanded(
                child: _Bolum(
                  etiket: 'AUDIO COVER STRENGTH',
                  icon: Icons.volume_up,
                  child: Slider(
                    value: state._audioCoverStrength,
                    min: 0,
                    max: 1,
                    divisions: 20,
                    label: state._audioCoverStrength.toStringAsFixed(2),
                    onChanged: (v) => state.setState(
                        () => state._audioCoverStrength = v),
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'COVER NOISE STRENGTH',
                  icon: Icons.blur_on,
                  child: Slider(
                    value: state._coverNoiseStrength,
                    min: 0,
                    max: 1,
                    divisions: 20,
                    label: state._coverNoiseStrength.toStringAsFixed(2),
                    onChanged: (v) => state.setState(
                        () => state._coverNoiseStrength = v),
                  ),
                ),
              ),
            ],
          ),
        ],
        const SizedBox(height: 8),
        _Bolum(
          etiket: 'INSTRUCTION (DiT system prompt, opsiyonel)',
          icon: Icons.assignment,
          child: TextField(
            controller: state._instructionCtrl,
            maxLines: 2,
            decoration: const InputDecoration(
              hintText: 'Boş = varsayılan instruction kullan',
            ),
          ),
        ),
        const SizedBox(height: 8),
        _Bolum(
          etiket: 'GLOBAL CAPTION (full song context)',
          icon: Icons.subject,
          child: TextField(
            controller: state._globalCaptionCtrl,
            maxLines: 2,
            decoration: const InputDecoration(
              hintText: 'Lego SFT görevleri için tüm şarkı bağlamı',
            ),
          ),
        ),
      ],
    );
  }
}

class _CikisAyarlari extends StatelessWidget {
  final _AceStepSayfasiState state;
  const _CikisAyarlari({required this.state});

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        // Audio format
        _Bolum(
          etiket: 'AUDIO FORMAT',
          icon: Icons.audio_file,
          child: SegmentedButton<String>(
            segments: const [
              ButtonSegment(value: 'wav', label: Text('WAV')),
              ButtonSegment(value: 'mp3', label: Text('MP3')),
              ButtonSegment(value: 'flac', label: Text('FLAC')),
            ],
            selected: {state._audioFormat},
            onSelectionChanged: (s) =>
                state.setState(() => state._audioFormat = s.first),
          ),
        ),
        if (state._audioFormat == 'mp3') ...[
          const SizedBox(height: 8),
          Row(
            children: [
              Expanded(
                child: _Bolum(
                  etiket: 'MP3 BITRATE',
                  icon: Icons.high_quality,
                  child: DropdownButtonFormField<int>(
                    initialValue: state._mp3Bitrate,
                    items: const [
                      DropdownMenuItem(value: 128, child: Text('128 kbps')),
                      DropdownMenuItem(value: 192, child: Text('192 kbps')),
                      DropdownMenuItem(value: 256, child: Text('256 kbps')),
                      DropdownMenuItem(value: 320, child: Text('320 kbps')),
                    ],
                    onChanged: (v) => v != null
                        ? state.setState(() => state._mp3Bitrate = v)
                        : null,
                  ),
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: _Bolum(
                  etiket: 'SAMPLE RATE',
                  icon: Icons.graphic_eq,
                  child: DropdownButtonFormField<int>(
                    initialValue: state._mp3SampleRate,
                    items: const [
                      DropdownMenuItem(value: 22050, child: Text('22050 Hz')),
                      DropdownMenuItem(value: 44100, child: Text('44100 Hz')),
                      DropdownMenuItem(value: 48000, child: Text('48000 Hz')),
                    ],
                    onChanged: (v) => v != null
                        ? state.setState(() => state._mp3SampleRate = v)
                        : null,
                  ),
                ),
              ),
            ],
          ),
        ],
        const SizedBox(height: 8),
        // Normalization
        SwitchListTile(
          contentPadding: EdgeInsets.zero,
          dense: true,
          title: const Text('Loudness Normalize',
              style: TextStyle(fontSize: 12)),
          subtitle: const Text(
            'Çıkışı belirli LUFS\'a eşitle (YouTube/Spotify standartı)',
            style: TextStyle(fontSize: 10),
          ),
          value: state._enableNormalization,
          onChanged: (v) =>
              state.setState(() => state._enableNormalization = v),
        ),
        if (state._enableNormalization)
          _Bolum(
            etiket: 'NORMALIZATION TARGET (LUFS)',
            icon: Icons.equalizer,
            child: Row(
              children: [
                Expanded(
                  child: Slider(
                    value: state._normalizationDb,
                    min: -30,
                    max: 0,
                    divisions: 60,
                    label: '${state._normalizationDb.toStringAsFixed(1)} dB',
                    onChanged: (v) => state.setState(
                        () => state._normalizationDb = v),
                  ),
                ),
                SizedBox(
                  width: 60,
                  child: Text(
                    '${state._normalizationDb.toStringAsFixed(1)} dB',
                    style: const TextStyle(
                        fontSize: 11, fontFamily: 'monospace'),
                  ),
                ),
              ],
            ),
          ),
        const SizedBox(height: 8),
        // Fade
        Row(
          children: [
            Expanded(
              child: _Bolum(
                etiket: 'FADE IN (s)',
                icon: Icons.gradient,
                child: Slider(
                  value: state._fadeInDuration,
                  min: 0,
                  max: 5,
                  divisions: 50,
                  label: state._fadeInDuration.toStringAsFixed(1),
                  onChanged: (v) =>
                      state.setState(() => state._fadeInDuration = v),
                ),
              ),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: _Bolum(
                etiket: 'FADE OUT (s)',
                icon: Icons.gradient_outlined,
                child: Slider(
                  value: state._fadeOutDuration,
                  min: 0,
                  max: 10,
                  divisions: 100,
                  label: state._fadeOutDuration.toStringAsFixed(1),
                  onChanged: (v) =>
                      state.setState(() => state._fadeOutDuration = v),
                ),
              ),
            ),
          ],
        ),
        const SizedBox(height: 8),
        // Score scale
        _Bolum(
          etiket: 'SCORE SCALE (kalite ölçeği)',
          icon: Icons.straighten,
          child: Slider(
            value: state._scoreScale,
            min: 0.5,
            max: 2.0,
            divisions: 30,
            label: state._scoreScale.toStringAsFixed(2),
            onChanged: (v) => state.setState(() => state._scoreScale = v),
          ),
        ),
        const SizedBox(height: 8),
        // Sampler mode
        _Bolum(
          etiket: 'SAMPLER MODE',
          icon: Icons.tune,
          child: DropdownButtonFormField<String>(
            initialValue: state._samplerMode,
            items: const [
              DropdownMenuItem(value: 'euler', child: Text('Euler')),
              DropdownMenuItem(
                  value: 'euler_a', child: Text('Euler Ancestral')),
              DropdownMenuItem(value: 'heun', child: Text('Heun')),
              DropdownMenuItem(value: 'dpm++', child: Text('DPM++')),
              DropdownMenuItem(value: 'dpm++_2m', child: Text('DPM++ 2M')),
            ],
            onChanged: (v) =>
                v != null ? state.setState(() => state._samplerMode = v) : null,
          ),
        ),
        const SizedBox(height: 8),
        // LoRA
        _Bolum(
          etiket: 'LoRA PATH (opsiyonel)',
          icon: Icons.extension,
          child: Row(
            children: [
              Expanded(
                child: Text(
                  state._loraPath != null
                      ? p.basename(state._loraPath!)
                      : '— LoRA seçilmedi —',
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(
                    fontSize: 11,
                    color: state._loraPath == null
                        ? Theme.of(context).colorScheme.outline
                        : null,
                  ),
                ),
              ),
              if (state._loraPath != null)
                IconButton(
                  icon: const Icon(Icons.clear, size: 14),
                  padding: EdgeInsets.zero,
                  constraints:
                      const BoxConstraints(minWidth: 24, minHeight: 24),
                  onPressed: () =>
                      state.setState(() => state._loraPath = null),
                ),
              TextButton.icon(
                icon: const Icon(Icons.folder_open, size: 14),
                label: Text(
                    state._loraPath != null ? 'Değiştir' : 'Seç',
                    style: const TextStyle(fontSize: 11)),
                onPressed: () async {
                  final r = await FilePicker.platform.pickFiles(
                    type: FileType.custom,
                    allowedExtensions: ['safetensors', 'pt', 'ckpt'],
                  );
                  if (r != null && r.files.single.path != null) {
                    state.setState(
                        () => state._loraPath = r.files.single.path);
                  }
                },
              ),
            ],
          ),
        ),
      ],
    );
  }
}

class _DosyaSecici extends StatelessWidget {
  final String? yol;
  final String tip;
  final ValueChanged<String> onSec;
  final VoidCallback onTemizle;
  const _DosyaSecici({
    required this.yol,
    required this.tip,
    required this.onSec,
    required this.onTemizle,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
      decoration: BoxDecoration(
        color: theme.colorScheme.surfaceContainerHighest,
        borderRadius: BorderRadius.circular(6),
        border: Border.all(color: theme.dividerColor),
      ),
      child: Row(
        children: [
          Icon(
            yol != null ? Icons.audio_file : Icons.upload_file,
            size: 18,
            color: yol != null
                ? theme.colorScheme.primary
                : theme.colorScheme.outline,
          ),
          const SizedBox(width: 8),
          Expanded(
            child: Text(
              yol != null ? p.basename(yol!) : '— dosya seçilmedi —',
              overflow: TextOverflow.ellipsis,
              style: TextStyle(
                fontSize: 12,
                color: yol != null ? null : theme.colorScheme.outline,
              ),
            ),
          ),
          if (yol != null)
            IconButton(
              icon: const Icon(Icons.clear, size: 16),
              padding: EdgeInsets.zero,
              constraints: const BoxConstraints(minWidth: 24, minHeight: 24),
              onPressed: onTemizle,
            ),
          TextButton.icon(
            icon: const Icon(Icons.folder_open, size: 14),
            label: Text(yol != null ? 'Değiştir' : 'Seç',
                style: const TextStyle(fontSize: 11)),
            onPressed: () async {
              final r = await FilePicker.platform.pickFiles(
                type: FileType.audio,
              );
              if (r != null && r.files.single.path != null) {
                onSec(r.files.single.path!);
              }
            },
          ),
        ],
      ),
    );
  }
}

class _Bolum extends StatelessWidget {
  final String etiket;
  final IconData icon;
  final Widget? trailing;
  final Widget child;
  const _Bolum({
    required this.etiket,
    required this.icon,
    this.trailing,
    required this.child,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Column(
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: [
        Row(
          children: [
            Icon(icon, size: 14, color: theme.colorScheme.outline),
            const SizedBox(width: 6),
            Text(etiket, style: theme.textTheme.labelSmall),
            const Spacer(),
            if (trailing != null) trailing!,
          ],
        ),
        const SizedBox(height: 4),
        child,
      ],
    );
  }
}

/// "Sadece aktif projenin görevleri" filtresi — proje bağlamında varsayılan açık
final aceStepSadeceProjeFiltresiProvider =
    StateProvider<bool>((ref) => true);

/// Bir görevin form değerlerini formaya yüklemek için sinyal sağlayıcı.
/// Görev kartından "Forma yükle" / "Kopya olarak edit" basıldığında set edilir.
/// Sayfa state'i bunu dinler, alanları doldurur ve geri null'a çeker.
final aceStepFormaYukleProvider = StateProvider<AceStepGorev?>((ref) => null);

class _GorevListesi extends ConsumerWidget {
  const _GorevListesi();

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final tumGorevler = ref.watch(aceStepUretimProvider);
    final sadeceProje = ref.watch(aceStepSadeceProjeFiltresiProvider);
    final aktifProje = ref.watch(projeProvider);
    final gorevler = (sadeceProje && aktifProje != null)
        ? tumGorevler.where((g) => g.projeId == aktifProje.id).toList()
        : tumGorevler;
    final theme = Theme.of(context);
    return Column(
      children: [
        Container(
          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
          decoration: BoxDecoration(
            color: theme.colorScheme.surface,
            border: Border(bottom: BorderSide(color: theme.dividerColor)),
          ),
          child: Row(
            children: [
              const Icon(Icons.queue_music, size: 18),
              const SizedBox(width: 8),
              Text('ÜRETİM GEÇMİŞİ', style: theme.textTheme.labelMedium),
              const SizedBox(width: 8),
              if (aktifProje != null)
                FilterChip(
                  avatar: Icon(
                    sadeceProje
                        ? Icons.filter_alt
                        : Icons.filter_alt_off_outlined,
                    size: 12,
                  ),
                  label: Text(
                    'Sadece bu proje',
                    style: const TextStyle(fontSize: 10),
                  ),
                  selected: sadeceProje,
                  visualDensity: VisualDensity.compact,
                  materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
                  onSelected: (v) => ref
                      .read(aceStepSadeceProjeFiltresiProvider.notifier)
                      .state = v,
                ),
              const Spacer(),
              if (gorevler.isNotEmpty)
                IconButton(
                  icon: const Icon(Icons.delete_sweep, size: 18),
                  tooltip: 'Geçmişi temizle',
                  onPressed: () async {
                    final onay = await showDialog<bool>(
                      context: context,
                      builder: (c) => AlertDialog(
                        title: const Text('Geçmişi temizle?'),
                        content:
                            const Text('Tüm üretim kayıtları silinecek (ses dosyaları diskte kalır).'),
                        actions: [
                          TextButton(
                              onPressed: () => Navigator.pop(c, false),
                              child: const Text('İptal')),
                          FilledButton(
                              onPressed: () => Navigator.pop(c, true),
                              child: const Text('Sil')),
                        ],
                      ),
                    );
                    if (onay == true) {
                      await ref
                          .read(aceStepUretimProvider.notifier)
                          .tumGecmisiTemizle();
                    }
                  },
                ),
            ],
          ),
        ),
        Expanded(
          child: gorevler.isEmpty
              ? Center(
                  child: Padding(
                    padding: const EdgeInsets.all(32),
                    child: Column(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Icon(Icons.music_off,
                            size: 48, color: theme.colorScheme.outline),
                        const SizedBox(height: 8),
                        Text('Henüz üretim yok',
                            style: theme.textTheme.bodyMedium),
                      ],
                    ),
                  ),
                )
              : ListView.builder(
                  itemCount: gorevler.length,
                  itemBuilder: (c, i) =>
                      _GorevKarti(gorev: gorevler[i])
                          .animate()
                          .fadeIn(duration: 200.ms),
                ),
        ),
      ],
    );
  }
}

class _GorevKarti extends ConsumerStatefulWidget {
  final AceStepGorev gorev;
  const _GorevKarti({required this.gorev});

  @override
  ConsumerState<_GorevKarti> createState() => _GorevKartiState();
}

class _GorevKartiState extends ConsumerState<_GorevKarti> {
  bool _genis = false;

  Color _renk(BuildContext c) {
    final t = Theme.of(c);
    return switch (widget.gorev.durum) {
      1 => Colors.green,
      2 => Colors.red,
      _ => t.colorScheme.primary,
    };
  }

  IconData _ikon() => switch (widget.gorev.durum) {
        1 => Icons.check_circle,
        2 => Icons.error_outline,
        _ => Icons.sync,
      };

  /// Üretim türü rozeti — orijinal/tekrar/varyant/kopya
  ({String emoji, String etiket, Color renk}) _turBilgi() {
    final t = widget.gorev.uretimTuru;
    switch (t) {
      case 'tekrar':
        return (emoji: '🔄', etiket: 'Tekrar', renk: Colors.blueGrey);
      case 'varyant':
        return (emoji: '🎲', etiket: 'Varyant', renk: Colors.deepPurple);
      case 'kopya':
        return (emoji: '📋', etiket: 'Kopya', renk: Colors.teal);
      default:
        return (emoji: '🎵', etiket: 'Orijinal', renk: Colors.indigo);
    }
  }

  Future<void> _yenidenUret({required bool yeniSeed}) async {
    final durum = ref.read(aceStepProvider);
    if (!durum.apiCalisiyor) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(
            content: Text('Önce API server\'ı başlat'),
            backgroundColor: Colors.red),
      );
      return;
    }
    final api = AceStepApiIstemci();
    final yeni = await ref.read(aceStepUretimProvider.notifier).yenidenUret(
          api,
          widget.gorev,
          yeniSeed: yeniSeed,
          tur: yeniSeed ? 'varyant' : 'tekrar',
          projeId: ref.read(projeProvider)?.id,
          projeKlasoru: ref.read(projeProvider)?.klasorYolu,
        );
    if (mounted) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text(yeni != null
              ? (yeniSeed
                  ? 'Varyant kuyruğa eklendi'
                  : 'Yeniden üretim kuyruğa eklendi')
              : 'Hata: yeniden üretim başlatılamadı'),
          backgroundColor: yeni != null ? null : Colors.red,
        ),
      );
    }
  }

  void _formaYukle({bool kopyaModu = false}) {
    // Kopya görevini işaretlemek için klon oluştur (kaynakGorevId set ederek)
    final kaynak = widget.gorev;
    final hedef = kopyaModu
        ? AceStepGorev(
            id: kaynak.id,
            taskId: kaynak.taskId,
            prompt: kaynak.prompt,
            lyrics: kaynak.lyrics,
            sure: kaynak.sure,
            steps: kaynak.steps,
            cfg: kaynak.cfg,
            bpm: kaynak.bpm,
            keyScale: kaynak.keyScale,
            dil: kaynak.dil,
            dilOtomatik: kaynak.dilOtomatik,
            model: kaynak.model,
            thinking: kaynak.thinking,
            sampleMode: kaynak.sampleMode,
            baslama: kaynak.baslama,
            projeId: kaynak.projeId,
            projeKlasoru: kaynak.projeKlasoru,
            globalCaption: kaynak.globalCaption,
            kaynakGorevId: kaynak.id,
            uretimTuru: 'kopya',
            formSnapshot: kaynak.formSnapshot,
            seed: kaynak.seed,
            bitenSeed: kaynak.bitenSeed,
            useRandomSeed: kaynak.useRandomSeed,
          )
        : kaynak;
    ref.read(aceStepFormaYukleProvider.notifier).state = hedef;
  }

  Future<void> _projeyeAktar() async {
    final yol = widget.gorev.sesYerelYol;
    if (yol == null) return;
    final aktif = ref.read(projeProvider);
    if (aktif == null) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('Önce bir proje aç')),
      );
      return;
    }
    final hedef = await KaynakKopyalayici.tekDosyaEkle(
      aktif.klasorYolu,
      yol,
      'acestep',
    );
    var yeni =
        aktif.copyWith(kaynak: aktif.kaynak.copyWith(sesPath: hedef));
    if (yeni.kaynak.girisGorseliPath.isNotEmpty &&
        yeni.segmentler.isEmpty) {
      yeni = await SegmentOlusturucu.otomatikSegmentleriOlustur(yeni);
    }
    ref.read(projeProvider.notifier).ayarla(yeni);
    await ProjeDeposu.kaydet(yeni);
    if (mounted) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Aktif projeye eklendi: ${aktif.isim}')),
      );
    }
  }

  Future<void> _disaAktar() async {
    final yol = widget.gorev.sesYerelYol;
    if (yol == null) return;
    final r = await FilePicker.platform.saveFile(
      dialogTitle: 'Ses dosyasını kaydet',
      fileName: 'acestep_${widget.gorev.id.substring(widget.gorev.id.length - 8)}${p.extension(yol)}',
    );
    if (r != null) {
      await File(yol).copy(r);
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text('Kaydedildi: $r')),
        );
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    final g = widget.gorev;
    final theme = Theme.of(context);
    final renk = _renk(context);
    return Card(
      margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
      child: Column(
        children: [
          ListTile(
            leading: g.durum == 0
                ? SizedBox(
                    width: 32,
                    height: 32,
                    child: CircularProgressIndicator(
                      strokeWidth: 2,
                      value: g.ilerleme / 100,
                      color: renk,
                    ),
                  )
                : Icon(_ikon(), color: renk, size: 28),
            title: Row(
              children: [
                // Tür rozeti
                Builder(builder: (_) {
                  final t = _turBilgi();
                  return Tooltip(
                    message: t.etiket,
                    child: Container(
                      margin: const EdgeInsets.only(right: 6),
                      padding: const EdgeInsets.symmetric(
                          horizontal: 5, vertical: 1),
                      decoration: BoxDecoration(
                        color: t.renk.withValues(alpha: 0.15),
                        borderRadius: BorderRadius.circular(8),
                        border: Border.all(
                            color: t.renk.withValues(alpha: 0.5), width: 0.6),
                      ),
                      child: Text(
                        t.emoji,
                        style: const TextStyle(fontSize: 11),
                      ),
                    ),
                  );
                }),
                Expanded(
                  child: Text(
                    g.prompt.isEmpty ? '(sample mode)' : g.prompt,
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                    style: const TextStyle(fontSize: 12),
                  ),
                ),
              ],
            ),
            subtitle: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  '${g.steps} steps · CFG ${g.cfg.toStringAsFixed(1)} · ${g.dil}'
                  '${g.sure != null ? " · ${g.sure!.toInt()}s" : ""}'
                  '${g.bpm != null ? " · ${g.bpm} BPM" : ""}'
                  '${(g.bitenSeed ?? g.seed) != null && (g.bitenSeed ?? g.seed)! >= 0 ? " · 🌱 ${g.bitenSeed ?? g.seed}" : ""}',
                  style: const TextStyle(fontSize: 10),
                ),
                if (g.durum == 0 && g.ilerlemeMetni != null)
                  Text(g.ilerlemeMetni!,
                      style:
                          const TextStyle(fontSize: 10, color: Colors.grey)),
                if (g.durum == 2 && g.hata != null)
                  Text('Hata: ${g.hata}',
                      style:
                          const TextStyle(fontSize: 10, color: Colors.red)),
              ],
            ),
            trailing: IconButton(
              icon: Icon(_genis ? Icons.expand_less : Icons.expand_more),
              onPressed: () => setState(() => _genis = !_genis),
            ),
          ),
          if (g.durum == 1 &&
              g.sesYerelYol != null &&
              File(g.sesYerelYol!).existsSync())
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 12),
              child: MiniSesOynatici(
                key: ValueKey('ses-${g.id}'),
                dosyaYolu: g.sesYerelYol!,
              ),
            ),
          if (_genis) ...[
            const Divider(height: 1),
            Padding(
              padding: const EdgeInsets.all(12),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  if (g.lyrics.isNotEmpty) ...[
                    Text('Sözler:', style: theme.textTheme.labelSmall),
                    SelectableText(
                      g.lyrics,
                      style: const TextStyle(fontSize: 11),
                    ),
                    const SizedBox(height: 8),
                  ],
                  // Seed bilgisi — kopyalanabilir, "Forma Yükle"de tıpa tıp aynı sonuç için
                  Builder(builder: (_) {
                    final s = g.bitenSeed ?? g.seed;
                    if (s == null || s < 0) {
                      return const Padding(
                        padding: EdgeInsets.only(bottom: 6),
                        child: Text(
                          '🌱 Seed: rastgele (sunucu seed döndürmedi)',
                          style: TextStyle(fontSize: 11, color: Colors.grey),
                        ),
                      );
                    }
                    final etiket = g.bitenSeed != null && g.bitenSeed! >= 0
                        ? 'gerçek'
                        : 'kullanıcı';
                    return Padding(
                      padding: const EdgeInsets.only(bottom: 6),
                      child: Row(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          const Text('🌱 ',
                              style: TextStyle(fontSize: 12)),
                          SelectableText(
                            'Seed: $s',
                            style: const TextStyle(
                                fontSize: 11,
                                fontFamily: 'monospace',
                                fontWeight: FontWeight.w600),
                          ),
                          const SizedBox(width: 6),
                          Container(
                            padding: const EdgeInsets.symmetric(
                                horizontal: 5, vertical: 1),
                            decoration: BoxDecoration(
                              color: Colors.green.withValues(alpha: 0.12),
                              borderRadius: BorderRadius.circular(4),
                            ),
                            child: Text(etiket,
                                style: const TextStyle(
                                    fontSize: 9, color: Colors.green)),
                          ),
                          const SizedBox(width: 4),
                          IconButton(
                            tooltip: 'Seed kopyala',
                            icon: const Icon(Icons.copy, size: 13),
                            padding: EdgeInsets.zero,
                            constraints: const BoxConstraints(
                                minWidth: 24, minHeight: 24),
                            onPressed: () {
                              Clipboard.setData(
                                  ClipboardData(text: s.toString()));
                              ScaffoldMessenger.of(context).showSnackBar(
                                const SnackBar(
                                    content: Text('Seed kopyalandı'),
                                    duration: Duration(seconds: 1)),
                              );
                            },
                          ),
                        ],
                      ),
                    );
                  }),
                  Wrap(
                    spacing: 8,
                    runSpacing: 4,
                    children: [
                      if (g.sesYerelYol != null) ...[
                        OutlinedButton.icon(
                          icon: const Icon(Icons.movie_creation, size: 14),
                          label: const Text('Aktif projeye aktar',
                              style: TextStyle(fontSize: 11)),
                          onPressed: _projeyeAktar,
                        ),
                        OutlinedButton.icon(
                          icon: const Icon(Icons.save_alt, size: 14),
                          label: const Text('Dışa aktar',
                              style: TextStyle(fontSize: 11)),
                          onPressed: _disaAktar,
                        ),
                        OutlinedButton.icon(
                          icon: const Icon(Icons.folder_open, size: 14),
                          label: const Text('Klasörde göster',
                              style: TextStyle(fontSize: 11)),
                          onPressed: () => launchUrl(
                              Uri.file(File(g.sesYerelYol!).parent.path)),
                        ),
                      ],
                      // Forma yükle (sadece form alanlarını doldur)
                      Tooltip(
                        message: 'Form değerlerini bu üretimle doldur',
                        child: OutlinedButton.icon(
                          icon: const Icon(Icons.input, size: 14),
                          label: const Text('Forma yükle',
                              style: TextStyle(fontSize: 11)),
                          onPressed: () => _formaYukle(kopyaModu: false),
                        ),
                      ),
                      // Yeniden üret (aynı parametreler — random seed)
                      Tooltip(
                        message: 'Aynı parametrelerle yeniden üret',
                        child: OutlinedButton.icon(
                          icon: const Icon(Icons.refresh, size: 14),
                          label: const Text('Yeniden üret',
                              style: TextStyle(fontSize: 11)),
                          onPressed: () => _yenidenUret(yeniSeed: false),
                        ),
                      ),
                      // Varyant (rastgele seed)
                      Tooltip(
                        message: 'Rastgele seed ile varyant üret',
                        child: OutlinedButton.icon(
                          icon: const Icon(Icons.shuffle, size: 14),
                          label: const Text('Varyant',
                              style: TextStyle(fontSize: 11)),
                          onPressed: () => _yenidenUret(yeniSeed: true),
                        ),
                      ),
                      // Kopya olarak edit (formu doldur + kopya işareti)
                      Tooltip(
                        message:
                            'Bu üretimin kopyasını forma yükleyip edit et',
                        child: OutlinedButton.icon(
                          icon: const Icon(Icons.content_copy, size: 14),
                          label: const Text('Kopya olarak edit',
                              style: TextStyle(fontSize: 11)),
                          onPressed: () => _formaYukle(kopyaModu: true),
                        ),
                      ),
                      OutlinedButton.icon(
                        icon: const Icon(Icons.delete_outline,
                            size: 14, color: Colors.red),
                        label: const Text('Geçmişten sil',
                            style: TextStyle(fontSize: 11, color: Colors.red)),
                        onPressed: () => ref
                            .read(aceStepUretimProvider.notifier)
                            .sil(g.id),
                      ),
                    ],
                  ),
                ],
              ),
            ),
          ],
        ],
      ),
    );
  }
}