import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:get_it/get_it.dart';
import 'package:go_router/go_router.dart';
import 'package:shadcn_ui/shadcn_ui.dart';

import 'package:superport_v2/core/config/environment.dart';
import 'package:superport_v2/core/permissions/permission_manager.dart';
import 'package:superport_v2/core/theme/superport_shad_theme.dart';
import 'package:superport_v2/features/inventory/inbound/presentation/pages/inbound_page.dart';
import 'package:superport_v2/features/inventory/shared/widgets/product_autocomplete_field.dart';
import 'package:superport_v2/widgets/components/form_field.dart';

import '../../helpers/inventory_test_stubs.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  setUpAll(() async {
    await Environment.initialize();
  });

  setUp(() {
    registerInventoryTestStubs(
      const InventoryTestStubConfig(registerProductRepository: true),
    );
  });

  tearDown(() async {
    await GetIt.I.reset();
  });

  testWidgets('입고 필터 적용 및 초기화가 목록을 갱신한다', (tester) async {
    final view = tester.view;
    view.physicalSize = const Size(1280, 800);
    view.devicePixelRatio = 1.0;
    addTearDown(() {
      view.resetPhysicalSize();
      view.resetDevicePixelRatio();
    });

    final router = GoRouter(
      initialLocation: '/inventory/inbound',
      routes: [
        GoRoute(
          path: '/inventory/inbound',
          builder: (context, state) =>
              Scaffold(body: InboundPage(routeUri: state.uri)),
        ),
      ],
    );

    await tester.pumpWidget(
      PermissionScope(
        manager: PermissionManager(),
        child: ShadApp.router(
          routerConfig: router,
          debugShowCheckedModeBanner: false,
          theme: SuperportShadTheme.light(),
          darkTheme: SuperportShadTheme.dark(),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('TX-20240301-001'), findsWidgets);

    await tester.enterText(find.byType(EditableText).first, 'TX-20240305-010');
    await tester.pump();

    await tester.tap(find.widgetWithText(ShadButton, '검색 적용'));
    await tester.pumpAndSettle();

    expect(find.text('TX-20240305-010'), findsWidgets);
    expect(find.text('TX-20240301-001'), findsNothing);

    await tester.tap(find.widgetWithText(ShadButton, '초기화'));
    await tester.pumpAndSettle();

    expect(find.text('TX-20240301-001'), findsWidgets);
  });

  testWidgets('입고 등록 모달은 동일 제품 중복을 막는다', (tester) async {
    final view = tester.view;
    view.physicalSize = const Size(1280, 900);
    view.devicePixelRatio = 1.0;
    addTearDown(() {
      view.resetPhysicalSize();
      view.resetDevicePixelRatio();
    });

    await tester.pumpWidget(
      MaterialApp(
        home: ScaffoldMessenger(
          child: PermissionScope(
            manager: PermissionManager(),
            child: ShadTheme(
              data: SuperportShadTheme.light(),
              child: Scaffold(
                body: InboundPage(routeUri: Uri.parse('/inventory/inbound')),
              ),
            ),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.widgetWithText(ShadButton, '입고 등록'));
    await tester.pumpAndSettle();

    final transactionField = find.byWidgetPredicate(
      (widget) => widget is SuperportFormField && widget.label == '트랜잭션번호',
    );
    final approvalField = find.byWidgetPredicate(
      (widget) => widget is SuperportFormField && widget.label == '결재번호',
    );
    expect(transactionField, findsOneWidget);
    expect(approvalField, findsOneWidget);

    expect(
      find.descendant(
        of: transactionField,
        matching: find.byType(EditableText),
      ),
      findsNothing,
    );
    expect(
      find.descendant(of: approvalField, matching: find.byType(EditableText)),
      findsNothing,
    );
    expect(find.text('저장 시 자동 생성'), findsAtLeastNWidgets(2));

    final productFields = find.byType(InventoryProductAutocompleteField);
    expect(productFields, findsWidgets);

    final firstProductInput = find.descendant(
      of: productFields.at(0),
      matching: find.byType(EditableText),
    );
    await tester.enterText(firstProductInput, 'XR-5000');
    await tester.pumpAndSettle();
    await tester.tap(find.text('XR-5000').last);
    await tester.pumpAndSettle();

    final addLineButton = find.widgetWithText(ShadButton, '품목 추가');
    await tester.ensureVisible(addLineButton);
    await tester.tap(addLineButton);
    await tester.pumpAndSettle();

    final updatedProductFields = find.byType(InventoryProductAutocompleteField);
    expect(updatedProductFields, findsNWidgets(2));

    final secondProductInput = find.descendant(
      of: updatedProductFields.at(1),
      matching: find.byType(EditableText),
    );
    await tester.enterText(secondProductInput, 'XR-5000');
    await tester.pumpAndSettle();
    await tester.tap(find.text('XR-5000').last);
    await tester.pumpAndSettle();

    final saveButton = find.widgetWithText(ShadButton, '저장');
    await tester.ensureVisible(saveButton);
    await tester.tap(saveButton);
    await tester.pumpAndSettle();

    expect(find.text('동일 제품이 중복되었습니다.'), findsOneWidget);
  });

  testWidgets('입고 등록 모달은 번호 입력 없이 저장 안내만 제공한다', (tester) async {
    final view = tester.view;
    view.physicalSize = const Size(1280, 900);
    view.devicePixelRatio = 1.0;
    addTearDown(() {
      view.resetPhysicalSize();
      view.resetDevicePixelRatio();
    });

    await tester.pumpWidget(
      MaterialApp(
        home: ScaffoldMessenger(
          child: PermissionScope(
            manager: PermissionManager(),
            child: ShadTheme(
              data: SuperportShadTheme.light(),
              child: Scaffold(
                body: InboundPage(routeUri: Uri.parse('/inventory/inbound')),
              ),
            ),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.widgetWithText(ShadButton, '입고 등록'));
    await tester.pumpAndSettle();

    expect(find.text('저장 시 자동 생성'), findsAtLeastNWidgets(2));

    await tester.tap(find.widgetWithText(ShadButton, '저장'));
    await tester.pump();

    expect(find.text('거래번호를 입력하세요.'), findsNothing);
    expect(find.text('결재번호를 입력하세요.'), findsNothing);
    expect(find.textContaining('자동완성에서 선택'), findsOneWidget);
    expect(find.textContaining('창고를 선택'), findsOneWidget);
  });

  testWidgets('입고 상세의 수정 버튼은 수정 모달을 연다', (tester) async {
    final view = tester.view;
    view.physicalSize = const Size(1280, 900);
    view.devicePixelRatio = 1.0;
    addTearDown(() {
      view.resetPhysicalSize();
      view.resetDevicePixelRatio();
    });

    await tester.pumpWidget(
      MaterialApp(
        home: ScaffoldMessenger(
          child: PermissionScope(
            manager: PermissionManager(),
            child: ShadTheme(
              data: SuperportShadTheme.light(),
              child: Scaffold(
                body: InboundPage(routeUri: Uri.parse('/inventory/inbound')),
              ),
            ),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.text('TX-20240301-001').first);
    await tester.pumpAndSettle();

    expect(find.text('입고 상세'), findsOneWidget);

    final editButton = find.widgetWithText(ShadButton, '수정').last;
    await tester.ensureVisible(editButton);
    await tester.tap(editButton);
    await tester.pump();

    await tester.pumpAndSettle(const Duration(milliseconds: 500));

    expect(find.text('입고 수정'), findsOneWidget);
    expect(find.widgetWithText(ShadButton, '저장'), findsWidgets);
  });
}
