import 'dart:async';
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/app/live_sync.dart';
import 'package:jj_mkvmaker/app/settings.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/monitor_page.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

import 'support/temp_dir.dart';

/// 관리자 3a 조건 (10/20): 실시간 동기화의 지울지 묻는 창 - --delete-excluded 로 지워지는 거른 것을 따로 묶은 모양을
/// 크기 412 · 960, 언어 ko · en · ja 로 찍는다. 시험 폴더 안에서만 (확인 창은 [나중에] - 지우지 않음).
/// 실행: flutter test integration_test\windows_live_excl_shot_test.dart -d windows   (JJ_SHOT_DIR 에 PNG)
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_live_excl');
  final rsync = p.join(Directory.current.path, 'third_party', 'rsync', 'windows', 'rsync.exe');
  for (final lang in ['ko', 'en', 'ja']) {
    for (final (w, h) in [(412, 900), (960, 600)]) {
      testWidgets('지울지 묻는 창 $lang ${w}x$h', (t) async {
        if (!File(rsync).existsSync()) return markTestSkipped('앱에 든 rsync 가 없음');
        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 tmp = testTempDir('jj_liveexcl_shot_');
        final src = p.join(tmp.path, 's'), dst = p.join(tmp.path, 'd');
        for (final (dir, rel) in [
          (src, 'a.txt'),
          (dst, 'only.txt'),
          (dst, '오래된 메모.txt'),
          (dst, 'skip.tmp'),
          (dst, 'cache/x.tmp'),
          (dst, 'build/obj/very_long_intermediate_file_name.tmp'),
        ]) {
          File(p.join(dir, rel))
            ..createSync(recursive: true)
            ..writeAsStringSync(rel);
        }
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
        c.settings
          ..rsyncSource = 'custom'
          ..rsyncPath = rsync
          ..rsyncOptions = '-av --exclude=*.tmp --delete-excluded';
        // 이미 --exclude 만으로 확인한 쌍에 --delete-excluded 를 더함 → 다시 묻는 창 (주황 이유 줄 · 거른 것 묶음)
        final pair = LiveSyncPair(src, dst, method: 'rsync', delete: true, deleteConfirmed: true, confirmedOptions: '-av --exclude=*.tmp');
        c.settings.liveSyncPairs = [pair];
        final live = LiveSync(c);
        addTearDown(live.dispose);
        await t.runAsync(() => live.syncNow(pair));
        expect(live.toDeleteExcluded[LiveSync.keyOf(pair)], hasLength(3));
        expect(live.reasked, contains(LiveSync.keyOf(pair)));
        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())),
        ));
        unawaited(confirmLiveDeletes(navKey.currentContext!, live, pair));
        for (var i = 0; i < 8; i++) {
          await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 60)));
          await t.pump(const Duration(milliseconds: 60));
        }
        expect(t.takeException(), isNull, reason: '넘침');
        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, 'live_excl_${lang}_$w.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
        navKey.currentState!.pop();
        await t.pump();
        expect(File(p.join(dst, 'skip.tmp')).existsSync(), isTrue, reason: '[나중에] - 지우지 않음');
      });
    }
  }
}