import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:jj_mkvmaker/app/app_controller.dart';
import 'package:jj_mkvmaker/app/live_sync.dart';
import 'package:jj_mkvmaker/app/settings.dart';
import 'package:jj_mkvmaker/core/sync_preview.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:path/path.dart' as p;

import 'support/rsync_scenes.dart';

/// 관리자 지시 (10/20): 실시간 동기화 (로컬 rsync 쌍) 를 28 의 장면 · 옵션으로 - 결과 트리 = 실제 rsync,
/// 지울지 묻는 목록 = rsync 가 지우는 것, 맞춘 뒤 "맞출 것" 이 남지 않음 (거른 것을 기다리는 것으로 세지 않음)
void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  test('실시간 동기화 (로컬 rsync 쌍) 결과 = 실제 rsync 결과 · 지울지 묻는 목록 = rsync 가 지우는 것 (28 의 장면 · 옵션 28개)', () async {
    final rsync = sceneRsync;
    if (rsync == null) return markTestSkipped('앱에 든 rsync 가 없음 (tool\\fetch_rsync.ps1)');
    final tmp = Directory.systemTemp.createTempSync('jj_livescene_');
    addTearDown(() => tmp.deleteSync(recursive: true));
    final src = p.join(tmp.path, 'src'), want = p.join(tmp.path, 'rsync'), got = p.join(tmp.path, 'live');
    final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
    // 앱에 든 rsync 를 그대로 (시험 환경에는 앱 폴더 (path_provider) 가 없어 '직접 지정' 으로)
    c.settings
      ..rsyncSource = 'custom'
      ..rsyncPath = rsync;
    final bad = <String>[];
    for (final opts in sceneOptions) {
      writeScene(src, want);
      final w = await realRsyncTree(rsync, src, want, opts);
      writeScene(src, got);
      final before = treeOf(got);
      final gone = [for (final k in before.keys) if (!w.containsKey(k)) k];
      c.settings.rsyncOptions = opts;
      final pair = LiveSyncPair(src, got, method: 'rsync', delete: optionsDelete(opts));
      c.settings.liveSyncPairs = [pair];
      final live = LiveSync(c);
      final k = LiveSync.keyOf(pair);
      final why = <String>[];
      await live.syncNow(pair);
      if (live.status[k]!.$2.contains('실패')) why.add('상태: ${live.status[k]!.$2}');
      final asked = live.toDelete[k] ?? const <String>[];
      for (final g in gone) {
        if (!asked.any((a) => g == a || g.startsWith('$a/'))) why.add('rsync 는 지우는데 묻지 않음: $g');
      }
      for (final a in asked) {
        if (!gone.contains(a)) why.add('rsync 는 지우지 않는데 물음: $a');
      }
      if (asked.isNotEmpty) await live.decideDelete(c.settings.liveSyncPairs.single, delete: true);
      why.addAll(treeDiff(w, treeOf(got)));
      if ((live.pending[k] ?? const []).isNotEmpty) why.add('맞춘 뒤에도 맞출 것: ${live.pending[k]}');
      live.dispose();
      if (why.isNotEmpty) bad.add('$opts\n  ${why.join('\n  ')}');
    }
    expect(bad, isEmpty, reason: bad.join('\n'));
  }, timeout: const Timeout(Duration(minutes: 5)));
}