import 'dart:io';

import 'package:archive/archive_io.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jj_mkvmaker/app/app_controller.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/archive_ui.dart';
import 'package:path/path.dart' as p;

/// 86: 압축 풀기 · ZIP 묶기 화면 흐름 - 확인 창에 막은 경로 · 링크, 취소는 아무 일 없음, 묶기는 만든 ZIP
void main() {
  late Directory tmp;
  late AppController c;
  setUp(() {
    tmp = Directory.systemTemp.createTempSync('jj_arch_ui_');
    c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
  });
  tearDown(() => tmp.deleteSync(recursive: true));

  Future<void> wait(WidgetTester tester, bool Function() done) async {
    for (var i = 0; i < 200 && !done(); i++) {
      await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 20)));
      await tester.pump();
    }
  }

  Future<Future<T?> Function(Future<T?> Function(BuildContext))> host<T>(WidgetTester tester) async {
    tester.view.physicalSize = const Size(1000, 900);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.reset);
    final key = GlobalKey<NavigatorState>();
    await tester.pumpWidget(MaterialApp(navigatorKey: key, home: const Scaffold()));
    return (Future<T?> Function(BuildContext) f) => f(key.currentContext!);
  }

  testWidgets('풀기: 확인 창에 막은 경로 · 건너뛸 링크를 보이고, 풀면 대상 안에만', (tester) async {
    final a = Archive()
      ..addFile(ArchiveFile.string('ok.txt', 'ok'))
      ..addFile(ArchiveFile.string('../evil.txt', 'evil'))
      ..addFile(ArchiveFile.string('lnk', '../x')..mode = 0xA1FF);
    final zip = p.join(tmp.path, 'bad.zip');
    File(zip).writeAsBytesSync(ZipEncoder().encode(a));
    final run = await host<String>(tester);
    String? out;
    var finished = false;
    run((ctx) => extractArchiveFlow(ctx, c, zip)).then((v) {
      out = v;
      finished = true;
    });
    await wait(tester, () => find.text('풀기').evaluate().isNotEmpty);
    expect(find.textContaining('밖으로 나가는 경로라 풀지 않습니다 (1개)'), findsOneWidget);
    expect(find.textContaining('링크 1개는 만들지 않고 건너뜁니다'), findsOneWidget);
    await tester.tap(find.widgetWithText(FilledButton, '풀기'));
    await wait(tester, () => finished);
    expect(out, p.join(tmp.path, 'bad'));
    expect(File(p.join(tmp.path, 'bad', 'ok.txt')).readAsStringSync(), 'ok');
    expect(File(p.join(tmp.path, 'evil.txt')).existsSync(), isFalse);
  });

  testWidgets('풀기 [취소] 는 아무 일 없음 · 7z 를 풀 수 없는 기기면 다른 앱 안내 (막지 않음)', (tester) async {
    final zip = p.join(tmp.path, 'a.zip');
    File(zip).writeAsBytesSync(ZipEncoder().encode(Archive()..addFile(ArchiveFile.string('a.txt', 'a'))));
    final run = await host<String>(tester);
    var finished = false;
    run((ctx) => extractArchiveFlow(ctx, c, zip)).then((_) => finished = true);
    await wait(tester, () => find.text('풀기').evaluate().isNotEmpty);
    await tester.tap(find.text('취소'));
    await wait(tester, () => finished);
    expect(Directory(p.join(tmp.path, 'a')).existsSync(), isFalse);
    if (bundledSevenZip() == null) {
      final sz = File(p.join(tmp.path, 'x.7z'))..writeAsStringSync('7z');
      finished = false;
      run((ctx) => extractArchiveFlow(ctx, c, sz.path)).then((_) => finished = true);
      await wait(tester, () => find.text('다른 앱으로 열기').evaluate().isNotEmpty);
      expect(find.textContaining('다른 앱으로 열어 주세요'), findsOneWidget);
      await tester.tap(find.text('닫기'));
      await wait(tester, () => finished);
    }
  });

  testWidgets('ZIP 으로 묶기: 이름 · 압축 정도 (기억) → 만든 ZIP', (tester) async {
    final src = Directory(p.join(tmp.path, 'photos'))..createSync();
    File(p.join(src.path, 'a.txt')).writeAsStringSync('A');
    final run = await host<String>(tester);
    String? made;
    var finished = false;
    run((ctx) => createZipFlow(ctx, c, [src.path], dir: tmp.path)).then((v) {
      made = v;
      finished = true;
    });
    await wait(tester, () => find.text('묶기').evaluate().isNotEmpty);
    expect(find.text('만들 파일: photos.zip'), findsOneWidget);
    await tester.tap(find.text('작게'));
    await tester.pump();
    await tester.tap(find.widgetWithText(FilledButton, '묶기'));
    await wait(tester, () => finished);
    expect(made, p.join(tmp.path, 'photos.zip'));
    expect(c.settings.zipLevel, 9, reason: '고른 압축 정도를 기억');
    expect(File(made!).lengthSync() > 0, isTrue);
  });
}