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/auth/login_screen.dart';

void main() {
  testWidgets('LoginScreen validation tests', (WidgetTester tester) async {
    await tester.pumpWidget(
      const ProviderScope(
        child: MaterialApp(
          home: LoginScreen(),
        ),
      ),
    );

    // Find the login button
    final loginButtonFinder = find.byType(ElevatedButton);
    expect(loginButtonFinder, findsOneWidget);

    // Tap login button with empty inputs
    await tester.tap(loginButtonFinder);
    await tester.pumpAndSettle();

    // Verify inline validation error text is displayed
    expect(find.text('Username/ID tidak boleh kosong'), findsOneWidget);
    expect(find.text('Kata sandi tidak boleh kosong'), findsOneWidget);

    // Enter a username, and a short password (e.g. 5 chars)
    final textFormFields = find.byType(TextFormField);
    expect(textFormFields, findsNWidgets(2));

    await tester.enterText(textFormFields.first, 'admin');
    await tester.enterText(textFormFields.last, '12345');
    
    // Tap the login button again
    await tester.tap(loginButtonFinder);
    await tester.pumpAndSettle();

    // Verify username warning is gone, but password length warning appears
    expect(find.text('Username/ID tidak boleh kosong'), findsNothing);
    expect(find.text('Kata sandi minimal 6 karakter'), findsOneWidget);
  });
}