import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jj_mkvmaker/app/app_controller.dart';
import 'package:jj_mkvmaker/core/app_update.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/services/updater.dart';
import 'package:jj_mkvmaker/ui/update_dialog.dart';

Map<String, dynamic> _release(String tag, {String? digest, String body = '', bool draft = false, String? url}) => {
      'tag_name': tag,
      'name': 'JJ_MKVMaker $tag',
      'body': body,
      'draft': draft,
      'prerelease': false,
      'html_url': 'https://github.com/$updateRepo/releases/tag/$tag',
      'assets': [
        {
          'name': 'JJ_MKVMaker_${tag}_win64.zip',
          'size': 1234,
          'browser_download_url': url ?? 'https://example.com/x.zip',
          'digest': ?digest,
        },
      ],
    };

class _FakeUpdater implements Updater {
  @override
  bool get installsInPlace => false;
  ReleaseInfo? next;
  final calls = <String>[];
  @override
  Future<String> currentVersion() async => '1.0.1';
  @override
  Future<ReleaseInfo?> latest() async => next;
  @override
  Future<bool> canInstall() async => true;
  @override
  Future<String> download(ReleaseInfo r, void Function(double) onProgress) async {
    calls.add('download ${r.version}');
    onProgress(1);
    return r'C:\tmp\new';
  }

  @override
  Future<void> scheduleInstall(String dir) async => calls.add('install $dir');
  @override
  Future<void> openPage(ReleaseInfo r) async => calls.add('page');
}

void main() {
  group('업데이트 창', () {
    late _FakeUpdater up;
    late AppController c;
    setUp(() {
      up = _FakeUpdater();
      c = AppController(PlatformServices(
          mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService(), updater: up));
    });

    Future<void> open(WidgetTester tester, {bool manual = true}) async {
      tester.view.physicalSize = const Size(1200, 900);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.reset);
      await tester.pumpWidget(MaterialApp(
        home: Scaffold(
          body: Builder(
            builder: (ctx) => TextButton(
              onPressed: () => checkForUpdate(ctx, c, manual: manual),
              child: const Text('확인'),
            ),
          ),
        ),
      ));
      await tester.tap(find.text('확인'));
      await tester.pumpAndSettle();
    }

    testWidgets('최신이면 알림만', (tester) async {
      up.next = parseLatestRelease(_release('v1.0.1'));
      await open(tester);
      expect(find.text('최신 버전입니다 (v1.0.1)'), findsOneWidget);
    });

    testWidgets('새 버전 → 업데이트 → 받기 → 지금 설치', (tester) async {
      up.next = parseLatestRelease(_release('v1.1.0', body: '- 재생목록 전체 받기'));
      await open(tester);
      expect(find.text('새 버전 v1.1.0'), findsOneWidget);
      expect(find.text('지금 쓰는 버전: v1.0.1  →  새 버전: v1.1.0'), findsOneWidget);
      expect(find.text('- 재생목록 전체 받기'), findsOneWidget);
      await tester.tap(find.text('업데이트'));
      await tester.pumpAndSettle();
      expect(find.text('설치 준비 완료'), findsOneWidget);
      await tester.tap(find.text('지금 설치'));
      await tester.pumpAndSettle();
      expect(up.calls, ['download 1.1.0', r'install C:\tmp\new']);
    });

    testWidgets('이 버전 건너뛰기 → 자동 확인에서 다시 묻지 않음', (tester) async {
      up.next = parseLatestRelease(_release('v1.1.0'));
      await open(tester);
      await tester.tap(find.text('이 버전 건너뛰기'));
      await tester.pumpAndSettle();
      expect(c.settings.skippedVersion, '1.1.0');
      c.settings.lastUpdateCheck = '';
      await open(tester, manual: false);
      expect(find.text('새 버전 v1.1.0'), findsNothing);
    });
  });
}