refactor(ajustes): split remaining Settings sections into pushed screens

2026-07-28 22:14:03 +02:00
parent 48ece948ff
commit c1903623be
29 changed files with 1538 additions and 735 deletions
@@ -0,0 +1,145 @@
+import 'dart:io';
+
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:provider/provider.dart';
+import 'package:share_plus/share_plus.dart' show Share, XFile;
+
+import '../../estado/estado_radio.dart';
+import '../../l10n/gen/app_localizations.dart';
+import '../../widgets/pluri_glass_surface.dart';
+import '../../widgets/pluri_layout.dart';
+import '../../widgets/pluri_push_scaffold.dart';
+
+/// APLICACIÓN group · "Copia de seguridad" (design ADR-3). Body moved
+/// verbatim from the former `_SeccionBackup` in `pantalla_ajustes.dart` —
+/// only the panel header's icon and title were removed (the pushed screen's
+/// title now carries them); every method below is unchanged.
+class PantallaAjustesBackup extends StatelessWidget {
+  const PantallaAjustesBackup({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context);
+    return PluriPushScaffold(
+      title: l10n.backupSectionTitle,
+      body: ListView(
+        padding: PluriLayout.pageContentPadding,
+        children: const [_CuerpoBackup()],
+      ),
+    );
+  }
+}
+
+class _CuerpoBackup extends StatelessWidget {
+  const _CuerpoBackup();
+
+  Future<void> _exportar(BuildContext context) async {
+    final l10n = AppLocalizations.of(context);
+    try {
+      final estado = context.read<EstadoRadio>();
+      // JSON serialization is owned by ServicioExportImport (S4-R4).
+      final json = await estado.exportarConfigJson();
+
+      final dir = await getTemporaryDirectory();
+      final file = File('${dir.path}/pluriwave-backup.json');
+      await file.writeAsString(json);
+
+      await Share.shareXFiles(
+        [XFile(file.path)],
+        subject: l10n.backupShareSubject,
+        text: l10n.backupShareText(DateTime.now().toLocal()),
+      );
+    } catch (e) {
+      if (context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(l10n.backupExportError(e.toString()))),
+        );
+      }
+    }
+  }
+
+  Future<void> _importar(BuildContext context) async {
+    final l10n = AppLocalizations.of(context);
+    try {
+      final result = await FilePicker.platform.pickFiles(
+        type: FileType.custom,
+        allowedExtensions: ['json'],
+      );
+      if (result == null || result.files.single.path == null) return;
+
+      final file = File(result.files.single.path!);
+      final contenido = await file.readAsString();
+      if (!context.mounted) return;
+      // Parsing is owned by ServicioExportImport (S4-R4): null = malformed.
+      final json = context.read<EstadoRadio>().parsearConfigJson(contenido);
+      if (json == null) {
+        throw const FormatException('invalid backup file');
+      }
+
+      if (context.mounted) {
+        final confirmar = await showDialog<bool>(
+          context: context,
+          builder:
+              (ctx) => AlertDialog(
+                title: Text(AppLocalizations.of(ctx).backupImportTitle),
+                content: Text(
+                  AppLocalizations.of(ctx).backupImportConfirmMessage,
+                ),
+                actions: [
+                  TextButton(
+                    onPressed: () => Navigator.pop(ctx, false),
+                    child: Text(AppLocalizations.of(ctx).cancelAction),
+                  ),
+                  FilledButton(
+                    onPressed: () => Navigator.pop(ctx, true),
+                    child: Text(AppLocalizations.of(ctx).backupImportTitle),
+                  ),
+                ],
+              ),
+        );
+        if (confirmar != true) return;
+        if (context.mounted) {
+          final estado = context.read<EstadoRadio>();
+          final messenger = ScaffoldMessenger.of(context);
+          await estado.importarConfig(json);
+          messenger.showSnackBar(
+            SnackBar(content: Text(l10n.backupImportSuccess)),
+          );
+        }
+      }
+    } catch (e) {
+      if (context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(l10n.backupImportError(e.toString()))),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PluriGlassSurface(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          ListTile(
+            contentPadding: EdgeInsets.zero,
+            leading: const Icon(Icons.upload_outlined),
+            title: Text(AppLocalizations.of(context).backupExportTitle),
+            subtitle: Text(AppLocalizations.of(context).backupExportSubtitle),
+            onTap: () => _exportar(context),
+          ),
+          ListTile(
+            contentPadding: EdgeInsets.zero,
+            leading: const Icon(Icons.download_outlined),
+            title: Text(AppLocalizations.of(context).backupImportTitle),
+            subtitle: Text(AppLocalizations.of(context).backupImportSubtitle),
+            onTap: () => _importar(context),
+          ),
+        ],
+      ),
+    );
+  }
+}