import 'dart:ui' show Tristate;

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/widgets/tarjeta_emisora.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';

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

/// S5-R2: the mini favorite button in the full card must be accessible
/// (semantic button with label + toggled state) and reach a 48dp target.
void main() {
  setUp(() {
    SharedPreferences.setMockInitialValues({});
  });

  testWidgets('el favorito mini es accesible y mide al menos 48x48 dp', (
    tester,
  ) async {
    final semantics = tester.ensureSemantics();
    final estado = EstadoRadio(
      audio: FakeServicioAudio(),
      favoritos: FakeServicioFavoritos(),
      radio: FakeServicioRadio(),
      servicioEcualizador: FakeServicioEcualizador(),
      iniciarAutomaticamente: false,
    );
    addTearDown(estado.dispose);

    await tester.pumpWidget(
      ChangeNotifierProvider<EstadoRadio>.value(
        value: estado,
        child: MaterialApp(
          locale: const Locale('es'),
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: Scaffold(
            body: Center(
              child: SizedBox(
                width: 220,
                height: 300,
                // Full (non-compact) card: it renders the MINI favorite.
                child: TarjetaEmisora(
                  emisora: emisoraDemo(uuid: 'a11y-1', nombre: 'A11y FM'),
                ),
              ),
            ),
          ),
        ),
      ),
    );
    await tester.pump();

    final l10n = await AppLocalizations.delegate.load(const Locale('es'));

    // Semantic node: button + label (favorite is OFF, so the "add" label).
    final boton = find.bySemanticsLabel(l10n.favoritesAddTooltip);
    expect(boton, findsOneWidget);
    final nodo = tester.getSemantics(boton);
    final flags = nodo.flagsCollection;
    expect(flags.isButton, isTrue);
    // Toggled state present (favorite OFF) — tristate: not null, not true.
    expect(flags.isToggled, Tristate.isFalse);

    // Touch target: at least 48x48 dp (S5-R2-A).
    final size = tester.getSize(boton);
    expect(size.width, greaterThanOrEqualTo(48));
    expect(size.height, greaterThanOrEqualTo(48));

    semantics.dispose();
  });
}