import 'dart:async';
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/i18n_controller.dart';
import 'package:jj_mkvmaker/app/master_lock.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/secret_store.dart';
import 'package:jj_mkvmaker/ui/master_prompt.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

/// 145 (관리자 지시 10/19): 124 초기화 창 (최상 비밀번호 - 초기화 · 정말 초기화할까요? · 마스터를 잊었을 때) 을
/// 크기 412 · 960, 언어 ko · en · ja 로 찍는다. 아무것도 지우지 않는다 (가짜 저장소, [초기화] 는 누르지 않음).
/// 실행: flutter test integration_test\windows_reset_shot_test.dart -d windows   (JJ_SHOT_DIR 에 PNG)
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_reset');
  for (final lang in ['ko', 'en', 'ja']) {
    for (final (w, h) in [(412, 900), (960, 600)]) {
      testWidgets('초기화 창 $lang ${w}x$h', (t) async {
        t.view.physicalSize = Size(w.toDouble(), h.toDouble());
        t.view.devicePixelRatio = 1;
        addTearDown(t.view.reset);
        await t.runAsync(() => i18n.apply(lang, save: false));
        addTearDown(() => i18n.apply('ko', save: false));
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
        final lock = MasterLock(MemorySecretStore());
        await t.runAsync(() async {
          await lock.load();
          await lock.setMaster('시험-마스터');
          await lock.setSuper('시험-최상');
        });
        lock.unlocked = false;
        final navKey = GlobalKey<NavigatorState>();
        final shotKey = GlobalKey();
        await t.pumpWidget(RepaintBoundary(
          key: shotKey,
          child: MaterialApp(
              theme: buildTheme(), debugShowCheckedModeBanner: false, navigatorKey: navKey, home: const Scaffold(body: SizedBox.expand())),
        ));
        Future<void> settle([int n = 8]) async {
          for (var i = 0; i < n; i++) {
            await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 60)));
            await t.pump();
          }
        }

        Future<void> shot(String name) async {
          await settle(3);
          expect(t.takeException(), isNull, reason: '$name 넘침');
          final b = shotKey.currentContext!.findRenderObject()! as RenderRepaintBoundary;
          final img = await t.runAsync(() => b.toImage());
          final bytes = await t.runAsync(() => img!.toByteData(format: ui.ImageByteFormat.png));
          Directory(out).createSync(recursive: true);
          File(p.join(out, 'reset_${name}_${lang}_$w.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
        }

        Future<void> closeAll() async {
          navKey.currentState!.popUntil((r) => r.isFirst);
          await settle();
        }

        // ⓪ 관리자 지시 (10/21): 사용자가 가는 길 그대로 - 마스터 입력 창에 최상 비밀번호를 넣으면 초기화 창 (가짜 저장소 · 가짜 비밀번호)
        unawaited(askMaster(navKey.currentContext!, c, lock));
        await settle();
        await shot('0_master');
        await t.enterText(find.byType(TextField), '시험-최상');
        await t.tap(find.byType(FilledButton).last);
        for (var i = 0; i < 100 && find.byType(CheckboxListTile).evaluate().isEmpty; i++) {
          await settle(1);
        }
        // ① 최상 비밀번호 - 초기화 (무엇을 초기화할지): 체크 3개, 처음 체크는 마스터만
        expect(find.byType(CheckboxListTile), findsNWidgets(3), reason: '마스터 창에 최상 비밀번호 → 초기화 창');
        expect([for (final e in find.byType(CheckboxListTile).evaluate()) (e.widget as CheckboxListTile).value], [true, false, false],
            reason: '처음 체크는 마스터만');
        await shot('1_super');
        // 셋 다 체크해 긴 설명까지 보이게
        for (final cb in find.byType(CheckboxListTile).evaluate().toList()) {
          final tile = cb.widget as CheckboxListTile;
          if (tile.value != true && tile.onChanged != null) tile.onChanged!(true);
        }
        await settle();
        await shot('2_super_all');
        // ② 정말 초기화할까요? (한 번 더 확인) - 여기서는 [취소]
        await t.tap(find.byType(FilledButton).last);
        await settle();
        await shot('3_sure');
        await closeAll();

        // ③ 마스터를 잊었을 때 (저장된 비밀번호를 지우고 마스터 초기화) - 확인 창만
        unawaited(forgotMaster(navKey.currentContext!, c, lock));
        await settle();
        await shot('4_forgot');
        await closeAll();
        expect(lock.hasMaster, isTrue, reason: '찍기만 하고 지우지 않음');
        expect(lock.hasSuper, isTrue);
      });
    }
  }
}