import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pluriwave/modelos/alarma_musical.dart';
import 'package:pluriwave/servicios/servicio_alarmas_android.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  const channel = MethodChannel('pluriwave/alarm_scheduler');
  late List<MethodCall> llamadas;

  setUp(() {
    llamadas = [];
    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
        .setMockMethodCallHandler(channel, (call) async {
          llamadas.add(call);
          if (call.method == 'scheduleAlarm') return true;
          return null;
        });
  });

  tearDown(() {
    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
        .setMockMethodCallHandler(channel, null);
  });

  test(
    'programar includes preNoticeTemplate with {minutes} placeholder in MethodChannel call',
    () async {
      final servicio = ServicioAlarmasAndroid(channel: channel);
      final alarma = AlarmaMusical(
        id: 'test-alarm',
        nombre: 'Morning alarm',
        hora: 7,
        minuto: 0,
        tipoProgramacion: TipoProgramacionAlarma.diaria,
        diasSemana: const [],
        proximaEjecucion: DateTime(2099, 1, 1, 7, 0),
      );

      await servicio.programar(alarma);

      final llamada = llamadas.singleWhere((c) => c.method == 'scheduleAlarm');
      final args = llamada.arguments as Map<Object?, Object?>;
      expect(args.containsKey('preNoticeTemplate'), isTrue,
          reason: 'preNoticeTemplate must be present in scheduleAlarm args');
      final template = args['preNoticeTemplate'] as String?;
      expect(template, isNotNull,
          reason: 'preNoticeTemplate must not be null');
      expect(template, contains('{minutes}'),
          reason: 'preNoticeTemplate must contain the {minutes} placeholder');
    },
  );

  test(
    'programar preNoticeTemplate uses default locale fallback when no l10n configured',
    () async {
      // ServicioAlarmasAndroid falls back to es locale when no l10n is configured
      final servicio = ServicioAlarmasAndroid(channel: channel);
      final alarma = AlarmaMusical(
        id: 'test-alarm-2',
        nombre: 'Alarm',
        hora: 8,
        minuto: 30,
        tipoProgramacion: TipoProgramacionAlarma.diaria,
        diasSemana: const [],
        proximaEjecucion: DateTime(2099, 1, 2, 8, 30),
      );

      await servicio.programar(alarma);

      final llamada = llamadas.singleWhere((c) => c.method == 'scheduleAlarm');
      final args = llamada.arguments as Map<Object?, Object?>;
      final template = args['preNoticeTemplate'] as String?;
      // The template must contain the literal placeholder string
      expect(template, contains('{minutes}'));
    },
  );
}