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

class RemoteSettingsPage extends StatefulWidget {
  const RemoteSettingsPage({super.key});
  @override
  State<RemoteSettingsPage> createState() => _RemoteSettingsPageState();
}

class _RemoteSettingsPageState extends State<RemoteSettingsPage> {
  final _form = GlobalKey<FormState>();
  bool _enabled = RemoteSettings.defaultEnabled;
  final _baseUrl   = TextEditingController(text: RemoteSettings.defaultBaseUrl);
  final _indexPath = TextEditingController(text: RemoteSettings.defaultIndexPath);
  final _email     = TextEditingController();
  final _password  = TextEditingController();

  @override
  void initState() {
    super.initState();
    _load();
  }

  Future<void> _load() async {
    final s = await RemoteSettings.load();
    setState(() {
      _enabled         = s.enabled;
      _baseUrl.text    = s.baseUrl;
      _indexPath.text  = s.indexPath;
      _email.text      = s.email;
      _password.text   = s.password;
    });
  }

  Future<void> _save() async {
    if (!_form.currentState!.validate()) return;
    final s = RemoteSettings(
      enabled: _enabled,
      baseUrl: _baseUrl.text.trim(),
      indexPath: _indexPath.text.trim(),
      email: _email.text.trim(),
      password: _password.text,
    );
    await s.save();
    if (!mounted) return;
    ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Impostazioni remote salvate')));
    Navigator.of(context).maybePop();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Remote Settings')),
      body: Form(
        key: _form,
        child: ListView(
          padding: const EdgeInsets.all(16),
          children: [
            SwitchListTile(
              title: const Text('Abilita sync remoto'),
              value: _enabled,
              onChanged: (v) => setState(() => _enabled = v),
            ),
            TextFormField(
              controller: _baseUrl,
              decoration: const InputDecoration(labelText: 'Base URL (es. https://server.tld)'),
              validator: (v) => (v==null || v.isEmpty) ? 'Obbligatorio' : null,
            ),
            TextFormField(
              controller: _indexPath,
              decoration: const InputDecoration(labelText: 'Index path (es. photos/)'),
              validator: (v) => (v==null || v.isEmpty) ? 'Obbligatorio' : null,
            ),
            TextFormField(
              controller: _email,
              decoration: const InputDecoration(labelText: 'User/Email'),
            ),
            TextFormField(
              controller: _password,
              obscureText: true,
              decoration: const InputDecoration(labelText: 'Password'),
            ),
            const SizedBox(height: 16),
            ElevatedButton.icon(
              onPressed: _save,
              icon: const Icon(Icons.save),
              label: const Text('Salva'),
            ),
          ],
        ),
      ),
    );
  }
}