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/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/ai_settings.dart';
import 'package:jj_mkvmaker/ui/archive_ui.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

import 'support/temp_dir.dart';

/// F1 (관리자 지시 10/21, 15 찾음): 비밀번호 · 키 칸 이름은 짧게, 설명은 칸 아래 - ZIP 으로 묶기 창 · AI 인터넷 서비스 추가 창을
/// ko · en · ja × 412 · 960 으로 찍는다 (SFTP 추가 창은 windows_trunc_shot_test). 아무것도 만들지 않는다 (창만 열고 닫음).
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  final out = Platform.environment['JJ_SHOT_DIR'] ?? '';

  for (final lang in ['ko', 'en', 'ja']) {
    for (final (w, h) in [(412, 900), (960, 600)]) {
      testWidgets('F1 칸 이름 $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 tmp = testTempDir('jj_f1shot_');
        final file = File(p.join(tmp.path, 'a.txt'))..writeAsStringSync('a');
        final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
        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: '$name 넘침');
          if (out.isEmpty) return;
          final b = shotKey.currentContext!.findRenderObject()! as RenderRepaintBoundary;
          final img = await t.runAsync(() => b.toImage());
          final bytes = await t.runAsync(() => img!.toByteData(format: ui.ImageByteFormat.png));
          Directory(out).createSync(recursive: true);
          File(p.join(out, 'f1_${name}_${lang}_$w.png')).writeAsBytesSync(bytes!.buffer.asUint8List());
        }

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

        unawaited(createZipFlow(navKey.currentContext!, c, [file.path], dir: tmp.path));
        await settle(12);
        await shot('zip');
        await closeAll();
        unawaited(editAiService(navKey.currentContext!, c));
        await settle(12);
        await shot('ai');
        // F2 (10/21): ComfyUI 로 바꾸면 주소 예시 · 모델 도움 글 - 3줄까지 (잘리지 않게)
        await t.tap(find.text('Automatic1111 · Forge').first);
        await settle();
        await t.tap(find.text('ComfyUI').last);
        await settle();
        await shot('ai_comfy');
        await closeAll();
        expect(Directory(tmp.path).listSync().map((e) => p.basename(e.path)), ['a.txt'], reason: '창만 열고 닫음 - 아무것도 만들지 않음');
      });
    }
  }
}