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 '../veri/isar_servisi.dart';

class AyarlarEkrani extends ConsumerWidget {
  const AyarlarEkrani({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final ayarlar = ref.watch(ayarlarProvider);
    final notifier = ref.read(ayarlarProvider.notifier);

    return Padding(
      padding: const EdgeInsets.fromLTRB(12, 10, 12, 8),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          const Row(
            children: [
              Icon(Icons.settings_rounded,
                  color: FikoRenkler.neonMor, size: 20),
              SizedBox(width: 8),
              Text('Ayarlar',
                  style:
                      TextStyle(fontSize: 15, fontWeight: FontWeight.w800)),
            ],
          ),
          const SizedBox(height: 12),
          ConstrainedBox(
            constraints: const BoxConstraints(maxWidth: 640),
            child: Card(
              child: Padding(
                padding: const EdgeInsets.all(16),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.stretch,
                  children: [
                    Row(
                      children: [
                        Expanded(
                          child: TextFormField(
                            key: ValueKey(ayarlar.comfyUrl),
                            initialValue: ayarlar.comfyUrl,
                            decoration: const InputDecoration(
                                labelText: 'ComfyUI Adresi'),
                            onFieldSubmitted: (v) =>
                                notifier.guncelle((a) => a.comfyUrl = v.trim()),
                          ),
                        ),
                        const SizedBox(width: 10),
                        _BaglantiTestButonu(),
                      ],
                    ),
                    const SizedBox(height: 14),
                    Row(
                      children: [
                        Expanded(
                          child: TextFormField(
                            key: ValueKey(ayarlar.ciktiKlasoru),
                            initialValue: ayarlar.ciktiKlasoru,
                            readOnly: true,
                            decoration: const InputDecoration(
                                labelText: 'Çıktı Klasörü'),
                          ),
                        ),
                        const SizedBox(width: 10),
                        OutlinedButton.icon(
                          icon: const Icon(Icons.folder_open, size: 17),
                          label: const Text('Seç'),
                          onPressed: () async {
                            final secim = await FilePicker.platform
                                .getDirectoryPath(
                                    dialogTitle: 'Çıktı klasörü seç');
                            if (secim != null) {
                              notifier
                                  .guncelle((a) => a.ciktiKlasoru = secim);
                            }
                          },
                        ),
                      ],
                    ),
                    const SizedBox(height: 8),
                    SwitchListTile(
                      contentPadding: EdgeInsets.zero,
                      title: const Text('Koyu tema',
                          style: TextStyle(fontSize: 13.5)),
                      value: ayarlar.koyuTema,
                      onChanged: (v) =>
                          notifier.guncelle((a) => a.koyuTema = v),
                    ),
                  ],
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _BaglantiTestButonu extends ConsumerStatefulWidget {
  @override
  ConsumerState<_BaglantiTestButonu> createState() =>
      _BaglantiTestButonuState();
}

class _BaglantiTestButonuState extends ConsumerState<_BaglantiTestButonu> {
  bool _testEdiliyor = false;

  @override
  Widget build(BuildContext context) {
    return OutlinedButton.icon(
      icon: _testEdiliyor
          ? const SizedBox(
              width: 14,
              height: 14,
              child: CircularProgressIndicator(strokeWidth: 2))
          : const Icon(Icons.wifi_tethering, size: 17),
      label: const Text('Test'),
      onPressed: _testEdiliyor
          ? null
          : () async {
              setState(() => _testEdiliyor = true);
              final basarili =
                  await ref.read(comfyIstemciProvider).erisilebilirMi();
              setState(() => _testEdiliyor = false);
              if (context.mounted) {
                ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                  content: Text(basarili
                      ? 'ComfyUI bağlantısı başarılı ✓'
                      : 'ComfyUI\'ye ulaşılamadı — sunucu açık mı?'),
                  backgroundColor: basarili
                      ? FikoRenkler.neonYesil.withValues(alpha: 0.9)
                      : Theme.of(context).colorScheme.error,
                ));
              }
            },
    );
  }
}