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/ftp.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/ftp_settings.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

/// 관리자 지시 (10/18): FTP · FTPS 화면을 PNG 로 (JJ_SHOT_DIR) - 서버 추가 창 (FTPS 처음 값 · 평문 경고) · 인증서 지문 확인 창 · 설정 목록.
/// 크기 412 · 960, 언어 ko · en · ja. 설정은 메모리에만. 실행: flutter test integration_test\windows_ftp_shot_test.dart -d windows
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_ftp');
  for (final lang in ['ko', 'en', 'ja']) {
    for (final (w, h) in [(412, 900), (960, 600)]) {
      testWidgets('FTP 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));
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
        c.settings.remote.ftpServers = [
          const FtpServer(id: 'f1', name: 'NAS FTPS', host: '192.168.0.15', user: 'jj'),
          const FtpServer(id: 'f2', name: '옛 공유기', host: '192.168.0.1', security: 'none'),
        ];
        final navKey = GlobalKey<NavigatorState>();
        final shotKey = GlobalKey();
        await t.pumpWidget(RepaintBoundary(
          key: shotKey,
          child: MaterialApp(
              theme: buildTheme(),
              debugShowCheckedModeBanner: false,
              navigatorKey: navKey,
              home: Scaffold(body: SingleChildScrollView(child: FtpSettings(c: c)))),
        ));
        BuildContext ctx() => navKey.currentContext!;
        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, 'ftp_${name}_${lang}_$w.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
        }

        Future<void> closeAll() async {
          navKey.currentState!.popUntil((r) => r.isFirst);
          await settle(4);
        }

        await settle();
        await shot('list');
        // 서버 추가 창 (처음 값 FTPS 명시)
        editFtpServer(ctx(), c);
        await settle();
        await shot('add');
        // 평문 FTP 를 고르면 빨간 경고
        await t.tap(find.textContaining(RegExp('FTP \\(|平文|明文|Plain')).last);
        await settle();
        await t.scrollUntilVisible(find.byType(TextField).at(2), 100, scrollable: find.byType(Scrollable).last);
        await settle();
        await shot('add_plain');
        await closeAll();
        // 자체 서명 인증서 확인 창
        askTrustFtpCert(
            ctx(),
            'NAS FTPS',
            const FtpCertException('x', FtpFailure.certUnknown,
                fingerprint: 'SHA256:E8:A8:51:BE:6E:78:58:B6:AC:53:03:6D:CB:CE:31:7A:C9:55:D2:55:BA:33:4D:DE:4B:CF:16:4B:6F:C4:90:C1',
                subject: '/CN=ds1815'));
        await settle();
        await shot('cert');
        await closeAll();
      });
    }
  }
}