// test/edit_transaction_dialog_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cashumit/models/report_transaction.dart';
import 'package:cashumit/widgets/edit_transaction_dialog.dart';
import 'package:cashumit/widgets/transaction_links_dialog.dart';

void main() {
  setUp(() {
    SharedPreferences.setMockInitialValues({
      'firefly_url': 'https://firefly.example.com',
      'firefly_token': 'mock_token',
    });
  });

  final sampleTx = ReportTransaction(
    id: 'tx-123',
    transactionGroupId: 'group-456',
    date: DateTime(2026, 8, 15, 10, 30),
    description: 'Beli ATK Kantor',
    amount: 150000,
    direction: 'pengeluaran',
    counterpartyName: 'Toko Buku Maju',
    tags: ['kantor'],
  );

  testWidgets('EditTransactionDialog displays transaction info and browser link',
      (WidgetTester tester) async {
    await tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: EditTransactionDialog(
            transaction: sampleTx,
            fireflyUrl: 'https://firefly.example.com',
            accessToken: 'token123',
            availableTags: const ['kantor', 'atk', 'operasional', 'snack'],
            onSaveLocal: (_) {},
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    // Verify Title & description
    expect(find.text('Edit Transaksi'), findsOneWidget);
    expect(find.text('Beli ATK Kantor'), findsOneWidget);

    // Verify browser link banner and header icon
    expect(find.text('Buka transaksi di browser Firefly III'), findsOneWidget);
    expect(find.byIcon(Icons.open_in_browser), findsOneWidget);
    expect(find.byIcon(Icons.open_in_new), findsOneWidget);

    // Verify current tag is shown in chips
    expect(find.text('kantor'), findsOneWidget);

    // Verify suggestion tag section shows unselected server tags
    expect(find.text('Saran Tag dari Server:'), findsOneWidget);
    expect(find.text('atk'), findsOneWidget);
    expect(find.text('operasional'), findsOneWidget);
    expect(find.text('snack'), findsOneWidget);
  });

  testWidgets('Tapping server suggestion chip adds tag to transaction',
      (WidgetTester tester) async {
    ReportTransaction? savedTx;

    await tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: EditTransactionDialog(
            transaction: sampleTx,
            fireflyUrl: 'https://firefly.example.com',
            accessToken: 'token123',
            availableTags: const ['atk', 'operasional'],
            onSaveLocal: (tx) {
              savedTx = tx;
            },
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    // Tap on '+ atk' chip
    final atkChip = find.widgetWithText(ActionChip, 'atk');
    expect(atkChip, findsOneWidget);
    await tester.tap(atkChip);
    await tester.pumpAndSettle();

    // Now 'atk' should be in the assigned tags chips
    expect(find.widgetWithText(Chip, 'atk'), findsOneWidget);

    // Save and verify onSaveLocal received updated tags
    final saveButton = find.text('Edit Selesai');
    await tester.ensureVisible(saveButton);
    await tester.tap(saveButton);
    await tester.pumpAndSettle();

    expect(savedTx, isNotNull);
    expect(savedTx!.tags, contains('kantor'));
    expect(savedTx!.tags, contains('atk'));
  });

  testWidgets('Typing in new tag input field and tapping add button adds custom tag',
      (WidgetTester tester) async {
    tester.view.physicalSize = const Size(1080, 1920);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(tester.view.resetPhysicalSize);

    ReportTransaction? savedTx;

    await tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: EditTransactionDialog(
            transaction: sampleTx,
            fireflyUrl: 'https://firefly.example.com',
            accessToken: 'token123',
            availableTags: const ['atk'],
            onSaveLocal: (tx) {
              savedTx = tx;
            },
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    // Enter a new custom tag into the text field
    final tagField = find.widgetWithText(TextFormField, 'Ketik untuk cari / tambah tag...');
    expect(tagField, findsOneWidget);
    await tester.enterText(tagField, 'project-2026');
    await tester.pumpAndSettle();

    // Tap the add icon button
    final addButton = find.byIcon(Icons.add).first;
    await tester.tap(addButton);
    await tester.pumpAndSettle();

    // Verify 'project-2026' is now in assigned tags
    expect(find.widgetWithText(Chip, 'project-2026'), findsOneWidget);

    // Click Edit Selesai
    final saveButton = find.text('Edit Selesai');
    await tester.ensureVisible(saveButton);
    await tester.tap(saveButton);
    await tester.pumpAndSettle();

    expect(savedTx, isNotNull);
    expect(savedTx!.tags, contains('project-2026'));
  });

  testWidgets('EditTransactionDialog adapts cleanly to dark theme',
      (WidgetTester tester) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: ThemeData.dark(),
        home: Scaffold(
          body: EditTransactionDialog(
            transaction: sampleTx,
            fireflyUrl: 'https://firefly.example.com',
            accessToken: 'token123',
            availableTags: const ['kantor', 'atk'],
            onSaveLocal: (_) {},
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('Edit Transaksi'), findsOneWidget);
    expect(find.text('Beli ATK Kantor'), findsOneWidget);
    expect(find.text('kantor'), findsOneWidget);
  });

  testWidgets('TransactionLinksDialog renders links and copy/open actions',
      (WidgetTester tester) async {
    await tester.pumpWidget(
      const MaterialApp(
        home: Scaffold(
          body: TransactionLinksDialog(
            urls: [
              'https://firefly.example.com/transactions/show/1',
              'https://firefly.example.com/transactions/show/2',
            ],
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('Link Transaksi'), findsOneWidget);
    expect(
        find.text('https://firefly.example.com/transactions/show/1'), findsOneWidget);
    expect(
        find.text('https://firefly.example.com/transactions/show/2'), findsOneWidget);
    expect(find.byIcon(Icons.copy), findsNWidgets(2));
    expect(find.byIcon(Icons.open_in_new), findsNWidgets(2));
  });
}