import 'dart:io';
import 'dart:typed_data';
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/ui/app_actions.dart';
import 'package:jj_mkvmaker/app/subtitle_editor_controller.dart';
import 'package:jj_mkvmaker/core/app_manager.dart';
import 'package:jj_mkvmaker/core/dlna.dart';
import 'package:jj_mkvmaker/core/languages.dart';
import 'package:jj_mkvmaker/core/models.dart';
import 'package:jj_mkvmaker/core/srt.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/app_manager_page.dart';
import 'package:jj_mkvmaker/ui/dlna_page.dart';
import 'package:jj_mkvmaker/ui/subtitle_editor_page.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:jj_mkvmaker/ui/tor_page.dart';
import 'package:path/path.dart' as p;

/// ⑦ 밝은 화면 (관리자 지시 10/21): 캡처가 없던 화면 (DLNA · 앱 관리자 · Tor · 자막 편집) 을 PNG 로 (JJ_SHOT_DIR, JJ_SHOT_THEME=light).
/// 기기 · 네트워크 대신 가짜를 쓰고, 설정은 메모리에만
class _Apps implements AppManagerBackend {
  @override
  Future<List<InstalledApp>> list() async => [
        for (final (i, n) in ['카메라', 'Chrome', 'JJ_MKVMaker', '메모'].indexed)
          InstalledApp(
              package: 'com.x.$i',
              label: n,
              version: '1.$i',
              apk: '',
              installed: DateTime(2026, 1, i + 1),
              updated: DateTime(2026, 2, i + 1),
              size: (i + 1) * 12000000,
              system: i == 0,
              splits: 0),
      ];
  @override
  Future<Uint8List?> icon(String package) async => null;
  @override
  Future<bool> details(String package) async => true;
  @override
  Future<bool> uninstall(String package) async => true;
  @override
  Future<String> backupDir() async => Directory.systemTemp.path;
}

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  if (Platform.environment['JJ_SHOT_THEME'] == 'light') JjColors.use(Brightness.light);

  testWidgets('캡처 없던 화면 그림', (t) async {
    final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_misc');
    Directory(out).createSync(recursive: true);
    final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
    c.settings
      ..tor.noticeSeen = true
      ..components = [...c.settings.components, 'tor'];
    final key = GlobalKey();

    Future<void> shot(String name, Size size, Widget home, {Future<void> Function()? then}) async {
      t.view.physicalSize = size;
      t.view.devicePixelRatio = 1;
      await t.runAsync(() => t.pumpWidget(MaterialApp(
            key: UniqueKey(),
            theme: buildTheme(),
            debugShowCheckedModeBanner: false,
            builder: (_, child) => AppScope(controller: c, child: RepaintBoundary(key: key, child: child!)),
            home: home,
          )));
      for (var i = 0; i < 15; i++) {
        await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 100)));
        await t.pump(const Duration(milliseconds: 50));
      }
      if (then != null) {
        await then();
        for (var i = 0; i < 10; i++) {
          await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 100)));
          await t.pump(const Duration(milliseconds: 50));
        }
      }
      final boundary = key.currentContext!.findRenderObject()! as RenderRepaintBoundary;
      final image = await t.runAsync(() => boundary.toImage());
      final bytes = await t.runAsync(() => image!.toByteData(format: ui.ImageByteFormat.png));
      File(p.join(out, 'misc_$name.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
      await t.pumpWidget(const SizedBox());
    }

    const nas = DlnaServer('집 NAS', 'http://192.168.0.5/d.xml', 'http://192.168.0.5/ctl');
    Widget dlna() => DlnaPage(
          c: c,
          discover: () async => [nas],
          browse: (s, id, start) async => (
            entries: [
              const DlnaEntry('v', '동영상', isContainer: true, childCount: 2),
              const DlnaEntry('x', '여행.mp4', upnpClass: 'object.item.videoItem'),
            ],
            total: 2
          ),
        );
    await shot('dlna_servers', const Size(960, 600), dlna());
    await shot('dlna_folder', const Size(960, 600), dlna(), then: () => t.tap(find.text('집 NAS')));
    await shot('apps_412', const Size(412, 800), AppManagerPage(backend: _Apps()));
    await shot('tor_960', const Size(960, 600), TorPage(
      c: c,
      startTor: () async {},
      missingFeatures: () async => const [],
      applyProxy: () async => true,
      onLeft: () async {},
      viewBuilder: (_, _) => const ColoredBox(color: Colors.white),
    ));
    final v = VideoItem(r'D:\m\영화.mkv');
    final s = SubtitleEntry.external(path: r'D:\m\영화.ko.srt', language: languageOf('ko'));
    v.subtitles.add(s);
    final editor = SubtitleEditorController(
        parseSrt('1\n00:00:01,000 --> 00:00:03,000\n첫째\n\n2\n00:00:05,000 --> 00:00:07,000\n둘째\n\n3\n00:00:09,000 --> 00:00:11,000\n셋째\n'),
        saveCharset: 'UTF-8');
    await shot('subtitle_960', const Size(960, 600), SubtitleEditorPage(app: c, video: v, entry: s, editor: editor));
    t.view.reset();
  });
}