import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jj_mkvmaker/app/app_controller.dart';
import 'package:jj_mkvmaker/app/download_manager.dart';
import 'package:jj_mkvmaker/app/settings.dart';
import 'package:jj_mkvmaker/core/models.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:archive/archive_io.dart';
import 'package:jj_mkvmaker/core/file_ops.dart';
import 'package:jj_mkvmaker/ui/archive_ui.dart';
import 'package:jj_mkvmaker/ui/batch_rename_dialog.dart';
import 'package:jj_mkvmaker/ui/downloads_page.dart';
import 'package:jj_mkvmaker/ui/explorer_drag.dart';
import 'package:jj_mkvmaker/ui/explorer_page.dart';
import 'package:jj_mkvmaker/ui/explorer_search.dart';
import 'package:jj_mkvmaker/ui/home_page.dart';
import 'package:jj_mkvmaker/ui/monitor_page.dart';
import 'package:jj_mkvmaker/ui/quick_look.dart';
import 'package:jj_mkvmaker/ui/settings_page.dart';
import 'package:jj_mkvmaker/ui/storage_page.dart';
import 'package:path/path.dart' as p;

/// 253: 글자를 크게 (기기 설정 글꼴 크기 · 접근성) 해도 화면이 넘치지 않는다 - 줄 높이가 고정이던 목록이 넘쳤다
void main() {
  late Directory tmp;
  setUp(() => tmp = Directory.systemTemp.createTempSync('jj_big_'));
  tearDown(() => tmp.deleteSync(recursive: true));

  final pages = <String, Widget Function(AppController, DownloadManager)>{
    'MKV': (c, d) => HomePage(c: c),
    '파일 탐색기': (c, d) => ExplorerPage(c: c),
    'Rsync': (c, d) => ExplorerPage(c: c, rsync: true),
    '모니터링': (c, d) => MonitorPage(c: c),
    '다운로드': (c, d) => DownloadsPage(d: d),
    '환경 설정': (c, d) => SettingsPage(c: c),
  };
  for (final MapEntry(key: name, value: page) in pages.entries) {
    for (final size in [const Size(412, 900), const Size(900, 412), const Size(1280, 800)]) {
      testWidgets('253: $name (${size.width.round()}×${size.height.round()}, 글자 1.6배) 넘치지 않는다', (tester) async {
        tester.view.physicalSize = size;
        tester.view.devicePixelRatio = 1;
        addTearDown(tester.view.reset);
        const pp = MethodChannel('plugins.flutter.io/path_provider');
        tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(pp, (_) async => tmp.path);
        addTearDown(() => tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(pp, null));
        File(p.join(tmp.path, '아주 긴 이름의 동영상 파일 - 시험용 2026.mp4')).writeAsStringSync('v');
        Directory(p.join(tmp.path, 'sub')).createSync();
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
        c.settings
          ..explorerPaths = [tmp.path, tmp.path]
          ..rsyncPaths = [tmp.path, tmp.path]
          ..copyTasks = [CopyTask(id: '1', sources: [tmp.path], dest: p.join(tmp.path, 'sub'), method: 'rsync', options: '-av')]
          ..liveSyncPairs = [LiveSyncPair(tmp.path, p.join(tmp.path, 'x'))];
        c.videos.add(VideoItem(p.join(tmp.path, '아주 긴 이름의 동영상 파일 - 시험용 2026.mp4')));
        c.selected = c.videos.first;
        final d = DownloadManager(backends: const [], settings: () => c.settings, readClipboard: () async => null);
        addTearDown(d.dispose);
        await tester.runAsync(() => tester.pumpWidget(MaterialApp(
            builder: (ctx, child) => MediaQuery(data: MediaQuery.of(ctx).copyWith(textScaler: const TextScaler.linear(1.6)), child: child!),
            home: page(c, d))));
        for (var i = 0; i < 15; i++) {
          await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 30)));
          await tester.pump();
        }
        expect(tester.takeException(), isNull);
        // 화면을 내리고 남은 타이머 (탐색기 목록 읽기 등) 가 끝나게
        await tester.pumpWidget(const SizedBox());
        await tester.pump(const Duration(seconds: 1));
      });
    }
  }

  // 관리자 지시 8 (묶음6 릴리스 전 점검): 새 창 · 화면도 폭 412 · 글자 1.6배에서 넘치지 않는다
  for (final size in [const Size(412, 900), const Size(900, 412)]) {
    testWidgets('253: 묶음6 새 창 (78 · 79 · 81 · 82 · 85 · 86 · 87, ${size.width.round()}×${size.height.round()}, 글자 1.6배) 넘치지 않는다',
        (tester) async {
      tester.view.physicalSize = size;
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.reset);
      final show = Directory(p.join(tmp.path, '아주 긴 이름의 폴더 - 시험용', 'Show'))..createSync(recursive: true);
      final eps = [
        for (final n in ['아주 긴 이름의 동영상 파일 - 시험용 2026 ep01.mkv', 'ep02.mkv'])
          (File(p.join(show.path, n))..writeAsBytesSync(List.filled(3000, 0))).path,
      ];
      File(p.join(show.path, 'ep01.srt')).writeAsStringSync('1\n00:00:01,000 --> 00:00:02,000\n안녕\n');
      final zip = p.join(tmp.path, '아주 긴 이름의 압축 파일 - 시험용.zip');
      File(zip).writeAsBytesSync(ZipEncoder().encode(Archive()
        ..addFile(ArchiveFile.string('ok/a.txt', 'a'))
        ..addFile(ArchiveFile.string('../evil.txt', 'x'))
        ..addFile(ArchiveFile.string('CON.txt', 'x'))
        ..addFile(ArchiveFile.string('lnk', '../x')..mode = 0xA1FF)));
      final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
      final nav = GlobalKey<NavigatorState>();
      await tester.pumpWidget(MaterialApp(
          navigatorKey: nav,
          builder: (ctx, child) => MediaQuery(data: MediaQuery.of(ctx).copyWith(textScaler: const TextScaler.linear(1.6)), child: child!),
          home: const Scaffold(body: SizedBox.expand())));
      BuildContext ctx() => nav.currentContext!;
      Future<void> settle([int n = 10]) async {
        for (var i = 0; i < n; i++) {
          await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 30)));
          // 화면 · 창이 열리는 움직임이 끝나게 (시험 시계를 앞으로)
          await tester.pump(const Duration(milliseconds: 60));
        }
      }

      Future<void> check(String what) async {
        await settle();
        expect(tester.takeException(), isNull, reason: what);
        // 넘침 오류 없이 옆으로 밀려나는 것도 본다: 누르는 것 (단추 · 고르기 · 입력 칸) 은 화면 폭 안에
        final hit = find.byWidgetPredicate((w) =>
            w is ButtonStyleButton || w is IconButton || w is Checkbox || w is DropdownButton || w is TextField || w is ChoiceChip || w is Radio);
        for (final e in hit.evaluate()) {
          final r = tester.getRect(find.byElementPredicate((x) => x == e));
          expect(r.left >= -0.5 && r.right <= size.width + 0.5, isTrue, reason: '$what: ${e.widget.runtimeType} $r');
        }
        nav.currentState!.popUntil((r) => r.isFirst);
        await settle(4);
      }

      showBatchRename(ctx(), eps, isDir: (_) => false);
      await check('78 이름 일괄');
      nav.currentState!.push(MaterialPageRoute<void>(
          builder: (_) => SearchResultsPage(
              root: tmp.path, cond: const SearchConditions(name: 'ep', minBytes: 1024), showHidden: false, otherDir: tmp.path, onOpen: (_) async {})));
      await settle(15);
      await tester.tap(find.byType(Checkbox).first);
      await check('79 찾기 결과 (고른 뒤 아래 줄)');
      final list = await tester.runAsync(() => listEntries(show.path));
      showDialog<void>(
          context: ctx(),
          builder: (_) => QuickLook(
              entries: list!,
              index: list.indexWhere((e) => e.name == 'ep01.srt'),
              probe: (_) async => const MediaInfo(streams: []),
              thumbnail: (_) async => null,
              imageExts: const ['jpg'],
              onOpen: (_) {}));
      await check('81 빠른 보기');
      askDropAction(ctx(), eps, tmp.path);
      await check('82 놓기 묻기');
      nav.currentState!.push(MaterialPageRoute<void>(
          builder: (_) => Scaffold(
              body: Align(
                  alignment: Alignment.bottomRight,
                  child: TransferProgressChip(running: 0, failed: true, onTap: () {})))));
      await check('85 멈춤 표시');
      extractArchiveFlow(ctx(), c, zip, otherDir: show.path);
      await settle(20);
      // 글자가 크면 창 아래쪽이라 내려서 누른다 (창은 스크롤)
      await tester.ensureVisible(find.byType(DropdownButton<NameConflict>));
      await tester.pump();
      // 고르기 상자가 화면 안에 다 있어야 한다 (넘침 오류 없이 화면 밖으로 밀려났었다)
      expect(tester.getRect(find.byType(DropdownButton<NameConflict>)).right, lessThanOrEqualTo(size.width));
      await tester.tap(find.byType(DropdownButton<NameConflict>));
      await settle(4);
      await tester.tap(find.text('덮어쓰기').last);
      await check('86 풀기 확인 (경고 줄 · 덮어쓰기)');
      createZipFlow(ctx(), c, eps, dir: show.path, otherDir: tmp.path);
      await check('86 ZIP 묶기');
      nav.currentState!.push(MaterialPageRoute<void>(builder: (_) => StorageAnalysisPage(root: tmp.path)));
      await settle(20);
      await tester.tap(find.byType(ChoiceChip).last);
      await check('87 저장 공간 분석 (큰 파일)');
    });
  }
}