import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pluriwave/estado/estado_radio.dart';
import 'package:pluriwave/l10n/gen/app_localizations.dart';
import 'package:pluriwave/pantallas/ajustes/pantalla_ajustes_backup.dart';
import 'package:pluriwave/widgets/pluri_push_scaffold.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../../helpers/fakes.dart';
import '../../helpers/fakes_alarmas.dart';

/// Pre-existing project constraint (see `pantalla_ajustes_test.dart`):
/// PluriGlassSurface paints a background over ListTile's ink layer, which
/// Flutter flags as a warning-level assertion, not a correctness bug.
void _suppressListTileInkAssertion() {
  final original = FlutterError.onError;
  FlutterError.onError = (details) {
    if (details.exceptionAsString().contains(
      'ListTile background color or ink splashes may be invisible',
    )) {
      return;
    }
    original?.call(details);
  };
  addTearDown(() => FlutterError.onError = original);
}

/// WU3b task 3b.1: the APLICACIÓN detail screen for "Copia de seguridad"
/// renders inside a [PluriPushScaffold] and its moved controls (export /
/// import rows) are still present and reachable exactly as they were inside
/// the old `_SeccionBackup`.
///
/// Both rows call into native plugins (`share_plus`, `file_picker`) that
/// this suite does not mock, so this file verifies reachability (title and
/// both row labels present, with a live `onTap`) rather than tapping through
/// the native share/pick flow — the same conservative choice this batch
/// makes for any moved control that would otherwise depend on an unmocked
/// platform channel.
void main() {
  setUp(() {
    SharedPreferences.setMockInitialValues({});
  });

  Future<File> archivoCustomVacio() async => File(
    '${Directory.current.path}/test/fixtures/emisoras_custom_vacio.json',
  );

  Future<EstadoRadio> crearEstado() async {
    return EstadoRadio(
      audio: FakeServicioAudio(),
      favoritos: FakeServicioFavoritos(),
      radio: FakeServicioRadio(),
      servicioEcualizador: FakeServicioEcualizador(),
      servicioGrabacion: FakeServicioGrabacionRadioInactiva(),
      resolverArchivoCustom: archivoCustomVacio,
      iniciarAutomaticamente: false,
    );
  }

  Widget buildScreen(EstadoRadio estado) {
    return ChangeNotifierProvider<EstadoRadio>.value(
      value: estado,
      child: MaterialApp(
        locale: const Locale('en'),
        localizationsDelegates: AppLocalizations.localizationsDelegates,
        supportedLocales: AppLocalizations.supportedLocales,
        home: const PantallaAjustesBackup(),
      ),
    );
  }

  testWidgets('renders inside a PluriPushScaffold titled "Backup"', (
    tester,
  ) async {
    _suppressListTileInkAssertion();
    final estado = await crearEstado();
    addTearDown(estado.dispose);

    await tester.pumpWidget(buildScreen(estado));
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 100));

    expect(find.byType(PluriPushScaffold), findsOneWidget);
    expect(find.text('Backup'), findsOneWidget);
  });

  testWidgets(
    'moved controls still reachable: export and import rows both present',
    (tester) async {
      _suppressListTileInkAssertion();
      final estado = await crearEstado();
      addTearDown(estado.dispose);

      await tester.pumpWidget(buildScreen(estado));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 100));

      final exportTile = find.widgetWithText(ListTile, 'Export configuration');
      final importTile = find.widgetWithText(ListTile, 'Import configuration');
      expect(exportTile, findsOneWidget);
      expect(importTile, findsOneWidget);
      expect(tester.widget<ListTile>(exportTile).onTap, isNotNull);
      expect(tester.widget<ListTile>(importTile).onTap, isNotNull);
    },
  );
}