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/i18n_controller.dart';
import 'package:jj_mkvmaker/ui/explorer/marks_bar.dart' show PatternDialog;
import 'package:jj_mkvmaker/ui/schedule_editor.dart';
import 'package:jj_mkvmaker/ui/theme.dart';
import 'package:path/path.dart' as p;

/// W JjField (관리자 10/24): 글 칸을 모을 때 캡처가 없던 곳을 찍는다 - 패턴으로 고르기 창 · 동기화 일정 창 (cron 글 칸의 도움 글).
/// 412 · 960 × ko · ja. 모으기 전 판과 뒤 판을 같은 이름으로 찍어 견준다 (JJ_SHOT_DIR)
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
  // 글 칸 커서가 깜빡여 캡처가 실행마다 달라지지 않게 (시험 쪽에서만)
  EditableText.debugDeterministicCursor = true;
  final out = Platform.environment['JJ_SHOT_DIR'] ?? p.join(Directory.systemTemp.path, 'jj_shots_field');

  for (final (w, h) in [(412, 900), (960, 700)]) {
    for (final lang in ['ko', 'ja']) {
      testWidgets('글 칸 자리 $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 key = GlobalKey();
        final nav = GlobalKey<NavigatorState>();
        await t.pumpWidget(RepaintBoundary(
          key: key,
          child: MaterialApp(
              theme: buildTheme(), debugShowCheckedModeBanner: false, navigatorKey: nav, home: const Scaffold(body: SizedBox.expand())),
        ));

        Future<void> settle() async {
          for (var i = 0; i < 6; i++) {
            await t.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 40)));
            await t.pump(const Duration(milliseconds: 100));
          }
        }

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

        // 1. 패턴으로 고르기
        final pattern = showDialog<String>(context: nav.currentContext!, builder: (_) => const PatternDialog());
        await settle();
        await shot('pattern');
        Navigator.of(nav.currentContext!).pop();
        await settle();
        await pattern;

        // 2. 동기화 일정 (시간 지정 - cron 글 칸과 도움 글이 보이게)
        final schedule = editSchedule(nav.currentContext!, const ['0 9-17 * * 1-5']);
        await settle();
        final scroll = find.byType(Scrollable).last;
        await t.scrollUntilVisible(find.byIcon(Icons.check), 200, scrollable: scroll);
        await settle();
        await shot('schedule');
        Navigator.of(nav.currentContext!).pop();
        await settle();
        await schedule;
      });
    }
  }
}