import 'dart:ui' show Locale;

import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pluriwave/l10n/gen/app_localizations.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(
    'configurarLocalizaciones pushes localized notification strings with {minutes} templates',
    () async {
      final servicio = ServicioAlarmasAndroid(channel: channel);
      final l10n = lookupAppLocalizations(const Locale('es'));

      servicio.configurarLocalizaciones(l10n);
      // configurarLocalizaciones fires setNotificationStrings as unawaited; let
      // the microtask/event queue drain so the MethodChannel call is recorded.
      await Future<void>.delayed(Duration.zero);

      final llamada = llamadas.singleWhere(
        (c) => c.method == 'setNotificationStrings',
      );
      final args = llamada.arguments as Map<Object?, Object?>;

      expect(
        args['preNoticeTemplate'],
        contains('{minutes}'),
        reason: 'pre-notice template must keep the {minutes} placeholder',
      );
      expect(
        args['snoozeCountdownTemplate'],
        contains('{minutes}'),
        reason: 'snooze countdown template must keep the {minutes} placeholder',
      );
      expect(
        args['missedTemplate'],
        contains('{name}'),
        reason: 'missed template must keep the {name} placeholder',
      );

      // Every notification/channel/chooser string must be present and non-empty
      // so the native side never falls back to English for a configured locale.
      const claves = [
        'ringTitle',
        'snoozeLabel',
        'stopLabel',
        'skipLabel',
        'snoozeAgainLabel',
        'fireChannelName',
        'fireChannelDescription',
        'preNoticeChannelName',
        'preNoticeChannelDescription',
        'openFolderTitle',
        'openRecordingTitle',
        'recordingsRootTitle',
        'missedTitle',
      ];
      for (final clave in claves) {
        expect(args[clave], isA<String>(), reason: '$clave missing');
        expect(
          (args[clave] as String).isNotEmpty,
          isTrue,
          reason: '$clave is empty',
        );
      }
    },
  );

  test('scheduleAlarm no longer carries notification string templates', () async {
    final servicio = ServicioAlarmasAndroid(channel: channel);
    final alarma = AlarmaMusical(
      id: 'no-template',
      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?>;
    expect(args.containsKey('preNoticeTemplate'), isFalse);
    expect(args.containsKey('snoozeCountdownTemplate'), isFalse);
  });
}