import 'dart:io';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../app/tema.dart';
import '../comfy/comfy_istemci.dart';
import '../comfy/uretim_kuyrugu.dart';
import '../comfy/workflow/ses_klon_workflow.dart';
import '../veri/modeller/uretim_kaydi.dart';

/// 🎙 Seslendirme & Ses Klonlama — EdgeTTS (hızlı) / F5 / XTTS (klon).
Future<void> showSeslendirmeDialog(BuildContext context, WidgetRef ref) async {
  await showDialog<void>(
      context: context, builder: (_) => const _SeslendirmeDialog());
}

class _SeslendirmeDialog extends ConsumerStatefulWidget {
  const _SeslendirmeDialog();
  @override
  ConsumerState<_SeslendirmeDialog> createState() => _SeslendirmeDialogState();
}

class _SeslendirmeDialogState extends ConsumerState<_SeslendirmeDialog> {
  final _metin = TextEditingController();
  TtsMotor motor = TtsMotor.edge;
  String edgeSes = 'tr-TR-AhmetNeural';
  String dil = 'tr';
  double hiz = 1.0;
  String referansAd = '';
  bool yukleniyor = false;

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

  Future<void> _uret() async {
    if (_metin.text.trim().isEmpty) return;
    final p = SesKlonParametreleri(
      motor: motor,
      metin: _metin.text.trim(),
      referansSes: referansAd,
      edgeSes: edgeSes,
      dil: dil,
      hiz: hiz,
    );
    await ref.read(uretimKuyruguProvider.notifier).uretimEkle(
          tip: UretimTipi.muzik,
          baslik:
              '🎙 ${motor == TtsMotor.edge ? "Seslendirme" : "Ses Klonu"} • ${_metin.text.trim().split(' ').take(4).join(' ')}...',
          parametrelerJson: p.jsonString(),
          workflow: sesKlonWorkflowOlustur(p),
        );
    if (mounted) Navigator.pop(context);
  }

  @override
  Widget build(BuildContext context) {
    final klon = motor != TtsMotor.edge;
    return AlertDialog(
      title: const Row(children: [
        Icon(Icons.record_voice_over, size: 18, color: FikoRenkler.neonCyan),
        SizedBox(width: 8),
        Text('Seslendirme & Ses Klonlama', style: TextStyle(fontSize: 15)),
      ]),
      content: SizedBox(
        width: 480,
        child: Column(mainAxisSize: MainAxisSize.min, children: [
          SegmentedButton<TtsMotor>(
            style: const ButtonStyle(visualDensity: VisualDensity.compact),
            segments: const [
              ButtonSegment(value: TtsMotor.edge, label: Text('Edge (hızlı)')),
              ButtonSegment(value: TtsMotor.f5, label: Text('F5 Klon')),
              ButtonSegment(value: TtsMotor.xtts, label: Text('XTTS Klon')),
            ],
            selected: {motor},
            onSelectionChanged: (s) => setState(() => motor = s.first),
          ),
          const SizedBox(height: 10),
          TextField(
            controller: _metin,
            minLines: 2,
            maxLines: 4,
            decoration: const InputDecoration(
                labelText: 'Söylenecek metin', isDense: true),
          ),
          const SizedBox(height: 10),
          if (motor == TtsMotor.edge)
            DropdownButtonFormField<String>(
              initialValue: edgeSes,
              isExpanded: true,
              decoration: const InputDecoration(labelText: 'Ses', isDense: true),
              items: [
                for (final s in edgeSesleri)
                  DropdownMenuItem(
                      value: s,
                      child: Text(s, style: const TextStyle(fontSize: 11.5))),
              ],
              onChanged: (v) => setState(() => edgeSes = v ?? edgeSes),
            ),
          if (motor == TtsMotor.xtts)
            DropdownButtonFormField<String>(
              initialValue: dil,
              decoration: const InputDecoration(labelText: 'Dil', isDense: true),
              items: [
                for (final d in xttsDilleri)
                  DropdownMenuItem(value: d, child: Text(d)),
              ],
              onChanged: (v) => setState(() => dil = v ?? dil),
            ),
          if (klon) ...[
            const SizedBox(height: 8),
            Row(children: [
              Expanded(
                child: Text(
                    referansAd.isEmpty
                        ? 'Klonlanacak referans ses seç (5-30 sn)'
                        : '🎤 $referansAd',
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                    style: const TextStyle(fontSize: 11)),
              ),
              OutlinedButton.icon(
                style:
                    OutlinedButton.styleFrom(visualDensity: VisualDensity.compact),
                icon: yukleniyor
                    ? const SizedBox(
                        width: 12, height: 12,
                        child: CircularProgressIndicator(strokeWidth: 2))
                    : const Icon(Icons.upload_file, size: 14),
                label: const Text('Referans Ses', style: TextStyle(fontSize: 11)),
                onPressed: () async {
                  final s = await FilePicker.platform
                      .pickFiles(type: FileType.audio);
                  final yol = s?.files.firstOrNull?.path;
                  if (yol == null || !File(yol).existsSync()) return;
                  setState(() => yukleniyor = true);
                  String? ad;
                  try {
                    ad = await ref.read(comfyIstemciProvider).resimYukle(yol);
                  } catch (_) {}
                  if (!context.mounted) return;
                  setState(() {
                    if (ad != null) referansAd = ad;
                    yukleniyor = false;
                  });
                },
              ),
            ]),
          ],
          const SizedBox(height: 6),
          Row(children: [
            const Text('Hız', style: TextStyle(fontSize: 11)),
            Expanded(
              child: Slider(
                value: hiz.clamp(0.5, 2.0),
                min: 0.5,
                max: 2.0,
                onChanged: (v) => setState(() => hiz = v),
              ),
            ),
            Text('${hiz.toStringAsFixed(2)}x',
                style: const TextStyle(fontSize: 11)),
          ]),
        ]),
      ),
      actions: [
        TextButton(
            onPressed: () => Navigator.pop(context),
            child: const Text('Vazgeç')),
        FilledButton.icon(
          icon: const Icon(Icons.record_voice_over, size: 16),
          label: const Text('Üret'),
          onPressed: (klon && referansAd.isEmpty) ? null : _uret,
        ),
      ],
    );
  }
}