Files
notas/lib/screens/settings_screen.dart
T

414 lines
15 KiB
Dart

import 'package:flutter/material.dart';
import 'package:notas/data/local_vault_service.dart';
import 'package:notas/widgets/search_app_bar.dart';
import 'package:notas/data/api_client.dart';
class SettingsScreen extends StatefulWidget {
const SettingsScreen({
super.key,
required this.onDeleteAllData,
required this.onBackToHome,
required this.onForceSync,
});
final Future<void> Function() onDeleteAllData;
final VoidCallback onBackToHome;
final Future<void> Function() onForceSync;
@override
State<SettingsScreen> createState() => _SettingsScreenState();
}
class _SettingsScreenState extends State<SettingsScreen> {
bool _isBusy = false;
bool _isSyncing = false;
final TextEditingController _endpointController = TextEditingController();
final TextEditingController _encryptionKeyController = TextEditingController();
bool _endpointLoading = true;
bool _encryptionKeyLoading = false;
bool _encryptionKeyVisible = false;
Future<void> _confirmAndDeleteAll() async {
final bool? confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Borrar todos los datos'),
content: const Text('¿Estás seguro? Esta acción eliminará la base de datos local y la clave de cifrado. Asegúrate de tener una copia de seguridad si es necesario o cuenta sincronizada.'),
actions: [
TextButton(onPressed: () => Navigator.of(context).pop(false), child: const Text('Cancelar')),
TextButton(onPressed: () => Navigator.of(context).pop(true), child: const Text('Borrar', style: TextStyle(color: Colors.red))),
],
),
);
if (confirmed != true) return;
setState(() {
_isBusy = true;
});
try {
await widget.onDeleteAllData();
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Todos los datos locales han sido eliminados.')),
);
} catch (error) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Error al borrar los datos: $error')),
);
} finally {
if (!mounted) return;
setState(() {
_isBusy = false;
});
}
}
Future<void> _forceSync() async {
if (_isBusy || _isSyncing) {
return;
}
setState(() {
_isSyncing = true;
});
try {
await widget.onForceSync();
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Sincronización forzada completada.')),
);
} catch (error) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Error al forzar la sincronización: $error')),
);
} finally {
if (!mounted) return;
setState(() {
_isSyncing = false;
});
}
}
@override
void initState() {
super.initState();
_loadEndpoint();
}
Future<void> _loadEndpoint() async {
final String endpoint = await ApiConfig.getEndpoint();
if (!mounted) return;
_endpointController.text = endpoint;
setState(() {
_endpointLoading = false;
});
}
Future<void> _loadEncryptionKey() async {
setState(() {
_encryptionKeyLoading = true;
});
try {
final String? encryptionKey = await LocalVaultService.instance.readEncryptionKey();
if (!mounted) return;
if (encryptionKey == null || encryptionKey.isEmpty) {
_encryptionKeyController.text = '';
_encryptionKeyVisible = false;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('No se pudo leer la clave de cifrado.')),
);
return;
}
_encryptionKeyController.text = encryptionKey;
_encryptionKeyVisible = true;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Clave de cifrado mostrada.')),
);
} catch (error) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Error al leer la clave de cifrado: $error')),
);
} finally {
if (mounted) {
setState(() {
_encryptionKeyLoading = false;
});
}
}
}
void _hideEncryptionKey() {
setState(() {
_encryptionKeyVisible = false;
_encryptionKeyController.clear();
});
}
@override
void dispose() {
_endpointController.dispose();
_encryptionKeyController.dispose();
super.dispose();
}
Future<void> _saveEndpoint() async {
final String value = _endpointController.text.trim();
try {
await ApiConfig.setEndpoint(value);
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Endpoint guardado')));
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Error guardando endpoint: $e')));
}
}
Future<void> _resetEndpoint() async {
await ApiConfig.clearEndpoint();
final String endpoint = await ApiConfig.getEndpoint();
if (!mounted) return;
_endpointController.text = endpoint;
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Endpoint restaurado al valor por defecto')));
}
Widget _buildResponsiveInputActionsRow({
required Widget input,
required List<Widget> actions,
}) {
return LayoutBuilder(
builder: (context, constraints) {
final bool isCompact = constraints.maxWidth < 600;
if (isCompact) {
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
SizedBox(width: double.infinity, child: input),
const SizedBox(height: 8),
Align(
alignment: Alignment.centerRight,
child: Wrap(
alignment: WrapAlignment.end,
spacing: 8,
runSpacing: 8,
children: actions,
),
),
],
);
}
return Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(child: input),
const SizedBox(width: 8),
Center(
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
for (int index = 0; index < actions.length; index++) ...[
if (index > 0) const SizedBox(width: 8),
actions[index],
],
],
),
),
],
);
},
);
}
Widget build(BuildContext context) {
return Scaffold(
body: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [
Color(0xFF191A1D),
Color(0xFF222326),
Color(0xFF101114),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
child: SafeArea(
child: Column(
children: [
SearchAppBar(
onLeadingPressed: widget.onBackToHome,
leadingIcon: Icons.arrow_back,
leadingTooltip: 'Atrás',
showSearch: false,
titleText: 'Configuración',
),
Expanded(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Expanded(
child: Text('Borrar datos locales:'),
),
ElevatedButton.icon(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.redAccent,
foregroundColor: Colors.white,
textStyle: const TextStyle(fontWeight: FontWeight.w600),
),
onPressed: _isBusy ? null : _confirmAndDeleteAll,
icon: _isBusy
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.delete_forever),
label: const Text('Borrar'),
),
],
),
const SizedBox(height: 16),
Row(
children: [
const Expanded(
child: Text('Forzar sincronizacion total:'),
),
ElevatedButton.icon(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.amber,
foregroundColor: Colors.black,
textStyle: const TextStyle(fontWeight: FontWeight.w700),
),
onPressed: (_isBusy || _isSyncing) ? null : _forceSync,
icon: _isSyncing
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.sync),
label: const Text('Sincronizar'),
),
],
),
const SizedBox(height: 24),
const Text('API endpoint (ej: http://localhost:3000/api)'),
const SizedBox(height: 8),
_buildResponsiveInputActionsRow(
input: _endpointLoading
? const SizedBox(height: 48, child: Center(child: CircularProgressIndicator()))
: TextField(
controller: _endpointController,
style: const TextStyle(color: Colors.white),
keyboardType: TextInputType.url,
decoration: InputDecoration(
labelText: 'API endpoint',
labelStyle: TextStyle(color: Colors.white.withValues(alpha: 0.7)),
filled: true,
fillColor: Colors.white.withValues(alpha: 0.05),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.12)),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.12)),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: const BorderSide(color: Colors.amber, width: 1.2),
),
),
),
actions: [
ElevatedButton(
onPressed: _endpointLoading ? null : _saveEndpoint,
child: const Text('Guardar'),
),
OutlinedButton(
onPressed: _endpointLoading ? null : _resetEndpoint,
child: const Text('Restaurar'),
),
],
),
const SizedBox(height: 24),
const Text('Clave de cifrado local'),
const SizedBox(height: 8),
_buildResponsiveInputActionsRow(
input: TextField(
controller: _encryptionKeyController,
readOnly: true,
obscureText: !_encryptionKeyVisible,
enableSuggestions: false,
autocorrect: false,
style: const TextStyle(color: Colors.white),
decoration: InputDecoration(
labelText: _encryptionKeyVisible ? 'Clave de cifrado' : 'Oculta hasta pulsar mostrar',
labelStyle: TextStyle(color: Colors.white.withValues(alpha: 0.7)),
filled: true,
fillColor: Colors.white.withValues(alpha: 0.05),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.12)),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.12)),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(14),
borderSide: const BorderSide(color: Colors.amber, width: 1.2),
),
),
),
actions: [
ElevatedButton(
onPressed: _encryptionKeyLoading ? null : _loadEncryptionKey,
child: _encryptionKeyLoading
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Text('Mostrar'),
),
OutlinedButton(
onPressed: _encryptionKeyVisible ? _hideEncryptionKey : null,
child: const Text('Ocultar'),
),
],
),
],
),
),
),
],
),
),
),
);
}
}