import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:app_pfm_ocr_v2/features/editor/editor_screen.dart';
import 'package:app_pfm_ocr_v2/features/documents/pending_documents_provider.dart';
import 'package:app_pfm_ocr_v2/models/document_model.dart';
import 'package:app_pfm_ocr_v2/main.dart';
import 'package:app_pfm_ocr_v2/core/storage/local_storage.dart';

class MockLocalStorage extends LocalStorage {
  @override
  Future<void> init() async {}
  @override
  Future<void> saveDocument(DocumentModel doc) async {}
}

void main() {
  testWidgets('EditorScreen input validation tests', (WidgetTester tester) async {
    final mockLocalStorage = MockLocalStorage();
    
    final testDoc = DocumentModel(
      id: 'pending_123',
      tanggal: '29 Juni 2026',
      noPo: 'PO/26/1234567890',
      noSo: '1234567890',
      noDo: 'DO-123',
      kepadaYth: 'PT. A',
      orderUntuk: 'PRIMA FRESH MART',
      alamat: 'Alamat',
      platTruk: 'B 1234 A',
      namaDriver: 'Driver',
      namaPenerima: '',
      latitude: -6.2000,
      longitude: 106.8000,
      items: [
        DocumentItem(nomorSku: '12010112', namaBarang: 'FIESTA CHICKEN NUGGET', banyak: '1 BOX', jumlah: '12 PAC'),
      ],
      createdAt: DateTime.now(),
    );

    // Initialize the Riverpod container with local storage overrides
    final container = ProviderContainer(
      overrides: [
        localStorageProvider.overrideWithValue(mockLocalStorage),
      ],
    );

    // Set the pending documents state BEFORE widget tree is built (before initState)
    container.read(pendingDocumentsProvider.notifier).state = [
      PendingDocument(
        id: 'pending_123',
        imagePath: 'dummy.png',
        status: PendingDocumentStatus.success,
        document: testDoc,
        latitude: -6.2000,
        longitude: 106.8000,
      ),
    ];

    await tester.pumpWidget(
      UncontrolledProviderScope(
        container: container,
        child: const MaterialApp(
          home: Scaffold(
            body: EditorScreen(pendingId: 'pending_123'),
          ),
        ),
      ),
    );

    await tester.pumpAndSettle();

    // Find all TextFormFields
    final textFormFields = find.byType(TextFormField);
    expect(textFormFields, findsAtLeastNWidgets(2));

    // Enter invalid PO format (Index 0 is Tanggal, Index 1 is No PO)
    await tester.enterText(textFormFields.at(1), 'PO-INVALID');
    await tester.pumpAndSettle();

    // Trigger validation by tapping the button
    final reviewButtonFinder = find.text('Review Complete');
    expect(reviewButtonFinder, findsOneWidget);
    await tester.tap(reviewButtonFinder);
    await tester.pumpAndSettle();

    // Verify PO format validation error is shown
    expect(find.text('Format harus PO/[XX]/[XXXXXXXXXX]'), findsOneWidget);
  });
}