import 'dart:io';
import 'dart:ui' as ui;

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'package:jj_mkvmaker/app/app_controller.dart';
import 'package:jj_mkvmaker/app/i18n_controller.dart';
import 'package:jj_mkvmaker/core/lan_scan.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/smb_settings.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

/// 관리자 지시 (10/18): X-plore j 화면을 PNG 로 (JJ_SHOT_DIR) - SMB 서버 추가 창의 [같은 망에서 찾기] · 찾는 중 · 찾은 목록 · 못 찾음.
/// 실제 망은 훑지 않는다 (가짜 찾기). 크기 412 · 960, 언어 ko · en · ja. 실행: flutter test integration_test\windows_smbfind_shot_test.dart -d windows
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_smbfind');
  for (final lang in ['ko', 'en', 'ja']) {
    for (final (w, h) in [(412, 900), (960, 600)]) {
      testWidgets('SMB 찾기 화면 $lang ${w}x$h', (t) async {
        t.view.physicalSize = Size(w.toDouble(), h.toDouble());
        t.view.devicePixelRatio = 1;
        addTearDown(t.view.reset);
        await t.runAsync(() => i18n.apply(lang, save: false));
        addTearDown(() => i18n.apply('ko', save: false));
        var hold = true;
        var result = const [LanHost('192.168.0.15', 'ds1815.local'), LanHost('192.168.0.20', null)];
        Future<List<LanHost>> findLan({cancelled, onProgress}) async {
          onProgress?.call(97, 254);
          while (hold) {
            await Future<void>.delayed(const Duration(milliseconds: 50));
          }
          return result;
        }
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService(), findLanSmb: findLan));
        final navKey = GlobalKey<NavigatorState>();
        final shotKey = GlobalKey();
        await t.pumpWidget(RepaintBoundary(
          key: shotKey,
          child: MaterialApp(
              theme: buildTheme(), debugShowCheckedModeBanner: false, navigatorKey: navKey, home: const Scaffold(body: SizedBox.expand())),
        ));
        Future<void> settle([int n = 8]) async {
          for (var i = 0; i < n; i++) {
            await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 60)));
            await t.pump();
          }
        }

        Future<void> shot(String name) async {
          await settle(3);
          final b = shotKey.currentContext!.findRenderObject()! as RenderRepaintBoundary;
          final img = await t.runAsync(() => b.toImage());
          final bytes = await t.runAsync(() => img!.toByteData(format: ui.ImageByteFormat.png));
          Directory(out).createSync(recursive: true);
          File(p.join(out, 'smbfind_${name}_${lang}_$w.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
        }

        editSmbServer(navKey.currentContext!, c);
        await settle();
        await shot('add');
        await t.tap(find.byIcon(Icons.radar));
        await settle();
        await shot('finding');
        hold = false;
        await settle();
        await shot('found');
        await t.tap(find.text('ds1815.local'));
        await settle();
        await shot('filled');
        result = const [];
        hold = false;
        await t.tap(find.byIcon(Icons.radar));
        await settle();
        await shot('none');
        navKey.currentState!.popUntil((r) => r.isFirst);
        await settle(4);
      });
    }
  }
}