import 'package:flutter_test/flutter_test.dart';
import 'package:pluriwave/estado/estado_alarmas.dart';
import 'package:pluriwave/modelos/alarma_musical.dart';
import 'package:pluriwave/servicios/servicio_alarmas.dart';
import 'package:shared_preferences/shared_preferences.dart';

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

/// fix/alarmas-fallos-silenciosos, item 3: "verify the alarm is actually
/// registered, and say so if it is not". `android.programar` returning
/// without throwing is not proof enough by itself -- this is the check that
/// would have caught the reported case immediately (the native side can
/// silently fail to persist the registration even when the channel call
/// itself reports success).
void main() {
  setUp(() {
    SharedPreferences.setMockInitialValues({});
  });

  test('guardarAlarma detecta que el conteo nativo no refleja la alarma '
      'guardada, aunque android.programar no haya lanzado', () async {
    // Fixed at 0 regardless of what programar() does internally --
    // simulates the native side accepting the channel call but never
    // actually persisting the registration.
    final android = FakePuertoAlarmasAndroid()..alarmasNativasPendientes = 0;
    final estado = EstadoAlarmas(
      servicio: ServicioAlarmas(reloj: () => DateTime(2026, 5, 25, 7)),
      android: android,
      iniciarAutomaticamente: false,
    );
    addTearDown(estado.dispose);
    addTearDown(android.dispose);

    await estado.guardarAlarma(
      const AlarmaMusical(
        id: 'silenciosa1',
        nombre: 'Diaria',
        hora: 7,
        minuto: 30,
        tipoProgramacion: TipoProgramacionAlarma.diaria,
        diasSemana: [],
      ),
    );

    final excepcion = estado.ultimaExcepcionPara('silenciosa1');
    expect(excepcion, isNotNull);
    expect(excepcion!.tipo, ExcepcionAlarma.tipoFalloProgramacion);
    expect(estado.error, isNotNull);
  });

  test('guardarAlarma en el camino feliz (conteo nativo coincide) no registra '
      'fallo alguno', () async {
    final android = FakePuertoAlarmasAndroid();
    final estado = EstadoAlarmas(
      servicio: ServicioAlarmas(reloj: () => DateTime(2026, 5, 25, 7)),
      android: android,
      iniciarAutomaticamente: false,
    );
    addTearDown(estado.dispose);
    addTearDown(android.dispose);

    await estado.guardarAlarma(
      const AlarmaMusical(
        id: 'sana1',
        nombre: 'Diaria',
        hora: 7,
        minuto: 30,
        tipoProgramacion: TipoProgramacionAlarma.diaria,
        diasSemana: [],
      ),
    );

    expect(estado.ultimaExcepcionPara('sana1'), isNull);
    expect(estado.error, isNull);
  });
}