import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:hidalyx_drluiscastro/features/config/presentation/store/config_store.dart';
import 'package:hidalyx_drluiscastro/features/patient/presentation/widgets/clinical_documents_dropdown.dart';
import 'package:hidalyx_drluiscastro/features/prescription/presentation/views/prescription_modal_view.dart';
import 'package:hidalyx_drluiscastro/features/prescription/services/prescription_pdf_service.dart';

void main() {
  group('ClinicalDocumentsDropdown Tests', () {
    testWidgets('renders dropdown button with title and icon', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: ClinicalDocumentsDropdown(
              onSelect: (_) {},
            ),
          ),
        ),
      );

      expect(find.text('Documentos Clínicos'), findsOneWidget);
      expect(find.byIcon(Icons.description_outlined), findsOneWidget);
    });

    testWidgets('opens menu and displays Receta Médica option', (tester) async {
      ClinicalDocumentType? selected;
      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: ClinicalDocumentsDropdown(
              onSelect: (type) => selected = type,
            ),
          ),
        ),
      );

      await tester.tap(find.text('Documentos Clínicos'));
      await tester.pumpAndSettle();

      expect(find.text('Receta Médica'), findsOneWidget);
      expect(find.text('Formato media carta institucional'), findsOneWidget);
      expect(find.text('Autorización De Seguro'), findsOneWidget);
      expect(find.text('Referir a Doctor(a)'), findsOneWidget);
      expect(find.text('Referir a Departamento'), findsOneWidget);

      await tester.tap(find.text('Receta Médica'));
      await tester.pumpAndSettle();

      expect(selected, equals(ClinicalDocumentType.recetaMedica));
    });
  });

  group('PrescriptionModalView Tests', () {
    testWidgets('renders patient name, doctor header and prescription fields', (tester) async {
      final configStore = ConfigStore();
      configStore.nombreDoctor = 'Dr. Luis A. Castro Sosa';
      configStore.especialidad = 'Cirujano Urólogo';
      configStore.descripEspecialidad = 'Enfermedades Vías Urinarias';
      configStore.descripGeneral = 'Santiago, RD';

      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: PrescriptionModalView(
              patientName: 'JUAN PEREZ',
              configStore: configStore,
            ),
          ),
        ),
      );
      await tester.pumpAndSettle();

      expect(find.text('Emisión de Receta Médica'), findsOneWidget);
      expect(find.text('Dr. Luis A. Castro Sosa'), findsOneWidget);
      expect(find.text('CIRUJANO URÓLOGO'), findsOneWidget);
      expect(find.text('ENFERMEDADES VÍAS URINARIAS'), findsOneWidget);
      expect(find.text('JUAN PEREZ'), findsOneWidget);
      expect(find.text('Crear / Imprimir Receta'), findsOneWidget);
      expect(find.text('ESC para salir'), findsOneWidget);
    });

    testWidgets('inserts bullet when clicking viñeta button', (tester) async {
      final configStore = ConfigStore();
      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: PrescriptionModalView(
              patientName: 'CARLOS ARIAS',
              configStore: configStore,
            ),
          ),
        ),
      );
      await tester.pumpAndSettle();

      final bulletBtn = find.text('Insertar viñeta (•)');
      expect(bulletBtn, findsOneWidget);

      await tester.tap(bulletBtn);
      await tester.pump();

      expect(find.text('• '), findsOneWidget);
    });

    testWidgets('inserts sequential numbers and sub-indication dosis', (tester) async {
      await tester.binding.setSurfaceSize(const Size(1024, 800));
      addTearDown(() => tester.binding.setSurfaceSize(null));

      final configStore = ConfigStore();
      await tester.pumpWidget(
        MaterialApp(
          home: Scaffold(
            body: PrescriptionModalView(
              patientName: 'CARLOS ARIAS',
              configStore: configStore,
            ),
          ),
        ),
      );
      await tester.pumpAndSettle();

      final numberBtn = find.text('1. Número');
      expect(numberBtn, findsOneWidget);
      await tester.tap(numberBtn);
      await tester.pump();
      expect(find.text('1. '), findsOneWidget);

      // Tap again to get next sequential number
      await tester.tap(numberBtn);
      await tester.pump();
      expect(find.text('1. \n2. '), findsOneWidget);

      // Insert dosage sub-indication
      final subIndicationBtn = find.text('↳ Dosis');
      expect(subIndicationBtn, findsOneWidget);
      await tester.tap(subIndicationBtn);
      await tester.pump();
      expect(find.text('1. \n2. \n   - '), findsOneWidget);

      // Open posology panel
      final posologyToggleBtn = find.text('⏱ Posologías rápidas ▼');
      expect(posologyToggleBtn, findsOneWidget);
      await tester.tap(posologyToggleBtn);
      await tester.pump();

      // Tap quick dosage chip
      final chip = find.text('1 tableta');
      expect(chip, findsOneWidget);
      await tester.tap(chip);
      await tester.pump();
      expect(find.text('1. \n2. \n   - 1 tableta'), findsOneWidget);

      // Test clear button
      final clearBtn = find.text('Limpiar lienzo');
      expect(clearBtn, findsOneWidget);
      await tester.tap(clearBtn);
      await tester.pump();
      expect(find.text('Limpiar lienzo'), findsNothing);
    });
  });

  group('PrescriptionPdfService Tests', () {
    test('builds prescription pdf bytes with correct page format and layout', () async {
      final bytes = await PrescriptionPdfService.buildPrescriptionPdf(
        doctorName: 'Dr. Luis A. Castro Sosa',
        specialty: 'Cirujano Urólogo',
        subspecialty: 'Enfermedades Vias Urinarias',
        generalContact: 'Santiago, RD. Tel: 809-583-2394',
        patientName: 'JUAN PEREZ',
        prescriptionText: '1. Ciprofloxacina 500mg\nTomar 1 tableta cada 12 horas por 7 días.',
      );

      expect(bytes, isNotEmpty);
      expect(bytes.sublist(0, 4), equals([0x25, 0x50, 0x44, 0x46]));
    });
  });
}