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/live_sync.dart';
import 'package:jj_mkvmaker/app/settings.dart';
import 'package:jj_mkvmaker/core/files/transfer_guard.dart';
import 'package:jj_mkvmaker/core/models.dart';
import 'package:jj_mkvmaker/core/webdav.dart' show DavLockedException;
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/ai_settings.dart' show editAiService;
import 'package:jj_mkvmaker/ui/home/video_detail.dart';
import 'package:jj_mkvmaker/ui/monitor/live_pair_card.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

/// W NoticeBand (관리자 10/24): 안내 띠를 하나로 모을 때 캡처가 없던 곳을 찍는다 - 실시간 동기화 카드 (멈춤 · 마스터 기다림) ·
/// 동영상 자세히의 오류 상자 · AI 서비스 추가 창의 경고. 412 · 960. 모으기 전 판과 뒤 판을 같은 이름으로 찍어 견준다 (JJ_SHOT_DIR)
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  // 글 칸 커서가 깜빡여 캡처가 실행마다 달라지지 않게 (시험 쪽에서만 - 관리자 10/24)
  EditableText.debugDeterministicCursor = true;
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_notice');

  for (final (w, h) in [(412, 900), (960, 600)]) {
    testWidgets('안내 띠 자리 ${w}x$h', (t) async {
      t.view.physicalSize = Size(w.toDouble(), h.toDouble());
      t.view.devicePixelRatio = 1;
      addTearDown(t.view.reset);
      final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
      final key = GlobalKey();
      final nav = GlobalKey<NavigatorState>();

      Future<void> show(Widget body) async {
        await t.pumpWidget(RepaintBoundary(
          key: key,
          child: MaterialApp(theme: buildTheme(), debugShowCheckedModeBanner: false, navigatorKey: nav, home: Scaffold(body: body)),
        ));
        for (var i = 0; i < 5; i++) {
          await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 40)));
          await t.pump(const Duration(milliseconds: 100));
        }
      }

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

      // 1 · 2. 실시간 동기화 카드: 원본을 읽을 수 없어 멈춤 · 마스터 비밀번호 기다림
      final pair = LiveSyncPair(r'C:\src_missing', r'D:\dst');
      final live = LiveSync(c);
      for (final (name, problem) in [
        ('live_stopped', SourceUnreadableException(r'C:\src_missing', cause: 'gone')),
        ('live_locked', SourceUnreadableException(r'C:\src_missing', cause: const DavLockedException('locked'))),
      ]) {
        live.problems[LiveSync.keyOf(pair)] = problem;
        await show(SingleChildScrollView(
            child: LivePairCard(c: c, live: live, pair: pair, onFinalize: () {}, onShowCopyList: () {})));
        await shot(name);
      }

      // 3. 동영상 자세히: 오류 상자
      final v = VideoItem(r'C:\videos\movie.mkv')..message = 'MKV 만들기 실패: 쓸 공간이 모자랍니다 (D:)';
      await show(VideoDetailPane(c: c, v: v));
      await shot('video_error');

      // 4. AI 서비스 추가 창: 기기 밖으로 나간다는 경고
      await show(const SizedBox.expand());
      final open = editAiService(nav.currentContext!, c);
      for (var i = 0; i < 6; i++) {
        await t.pump(const Duration(milliseconds: 100));
      }
      await shot('ai_service');
      Navigator.of(nav.currentContext!).pop();
      await t.pump(const Duration(milliseconds: 300));
      await open;
    });
  }
}