import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:image/image.dart' as img;
import 'package:integration_test/integration_test.dart';
import 'package:jj_mkvmaker/app/app_controller.dart';
import 'package:jj_mkvmaker/core/reader_sources.dart';
import 'package:jj_mkvmaker/platform/windows/desktop_storage_service.dart';
import 'package:jj_mkvmaker/platform/windows/process_media_tool.dart';
import 'package:jj_mkvmaker/services/platform_services.dart';
import 'package:jj_mkvmaker/ui/reader_page.dart';
import 'package:path/path.dart' as p;

/// 28 지적 (10/20): 보기 화면에서 장을 손으로 몇 번 넘긴 뒤 위 막대 [사진 정보 (Exif)] 창을 닫으면 디버그 판에서
/// 의미 트리 assertion ('node.built': is not true, rendering/object.dart) 이 났다. 실제 프레임 · 끌기 애니메이션 (통합 시험) 에서만 나온다.
/// 실행: flutter test integration_test\reader_dialog_semantics_test.dart -d windows
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  for (final gallery in [false, true]) {
    testWidgets('장을 넘긴 뒤 사진 정보 창을 열고 닫아도 오류 없음 (갤러리 줄 $gallery)', (t) async {
      t.view.physicalSize = const Size(960, 600);
      t.view.devicePixelRatio = 1;
      addTearDown(t.view.reset);
      final tmp = Directory.systemTemp.createTempSync('jj_readersem_');
      addTearDown(() => tmp.deleteSync(recursive: true));
      final files = [
        for (var i = 0; i < 7; i++)
          (File(p.join(tmp.path, 'p$i.png'))..writeAsBytesSync(img.encodePng(img.Image(width: 300, height: 200)))).path,
      ];
      final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
      c.settings.readerGallery = gallery;
      Future<void> wait(int ms) async {
        for (var i = 0; i < ms ~/ 100; i++) {
          await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 100)));
          await t.pump();
        }
      }

      final nav = GlobalKey<NavigatorState>();
      await t.pumpWidget(MaterialApp(navigatorKey: nav, home: const Scaffold(body: SizedBox.expand())));
      nav.currentState!.push(MaterialPageRoute<void>(
          builder: (_) => ReaderPage(c: c, source: ImageFilesSource(files, tempDir: tmp.path, title: 'x'), start: 3)));
      await wait(1500);
      for (var k = 0; k < 3; k++) {
        await t.drag(find.byType(PageView).first, const Offset(-960 * 0.8, 0));
        await wait(500);
      }
      await t.tap(find.byTooltip('사진 정보 (Exif)').first);
      await wait(600);
      expect(find.text('이 그림에는 Exif 정보가 없습니다 (JPEG 사진만 읽음)'), findsOneWidget);
      await t.tap(find.text('닫기').last);
      await wait(500);
      expect(t.takeException(), isNull);
      await t.pumpWidget(const SizedBox());
      await wait(300);
    });
  }
}