import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:life_helper/domain/catalog/catalog_item.dart';
import 'package:life_helper/domain/catalog/display_category.dart';
import 'package:life_helper/state/catalog_providers.dart';
import 'package:life_helper/ui/screens/protocol_preview_screen.dart';

ProtocolCatalogItem _sampleProtocol({List<String> refIds = const []}) =>
    ProtocolCatalogItem(
      id: 'morning_sunlight',
      title: '아침 햇빛',
      titleEn: 'Morning Sunlight',
      summary: '기상 후 햇빛',
      displayCategory: DisplayCategory.lightCircadian,
      evidenceStrength: 'strong_rct',
      referenceIds: refIds,
      what: '기상 후 햇빛 노출.',
      whenText: '기상 후 30~60분.',
      dose: '5~10분.',
      why: 'ipRGC 자극으로 일주기 리셋.',
      how: const ['밖으로 나간다', '하늘을 쳐다본다'],
      checkText: '60분 이내 외출',
      caution: '직사 응시 금지',
      defaultAnchor: const {'when': '기상 후', 'after_what': '세수'},
      minDoseForStart: '2분',
      sourceDoc: 'huberman-protocols.md',
    );

void main() {
  Widget buildHarness(CatalogItem item, {List<dynamic> refs = const []}) {
    return ProviderScope(
      overrides: [
        referencesByIdsProvider.overrideWith((ref, ids) async => []),
      ],
      child: MaterialApp(home: ProtocolPreviewScreen(item: item)),
    );
  }

  testWidgets('Protocol: 모든 핵심 필드 표시', (tester) async {
    final item = _sampleProtocol();
    await tester.pumpWidget(buildHarness(item));
    await tester.pump();

    // Header + 상단 가시 필드.
    expect(find.text('아침 햇빛'), findsAtLeastNWidgets(1));
    expect(find.text('Morning Sunlight'), findsOneWidget);
    expect(find.text('빛/일주기'), findsOneWidget);

    // ListView lazy-builds — 하위 필드는 명시적 스크롤로 가져온다.
    final scrollable = find.byType(Scrollable).first;
    for (final t in [
      'ipRGC 자극으로 일주기 리셋.',
      '1. 밖으로 나간다',
      '2. 하늘을 쳐다본다',
      '60분 이내 외출',
      '직사 응시 금지',
      '2분',
      'huberman-protocols.md',
    ]) {
      await tester.scrollUntilVisible(find.text(t), 100,
          scrollable: scrollable);
      expect(find.text(t), findsOneWidget, reason: 'missing: $t');
    }
  });

  testWidgets('"내 습관으로" 버튼 disabled + tooltip', (tester) async {
    await tester.pumpWidget(buildHarness(_sampleProtocol()));
    await tester.pump();

    final button = tester.widget<FilledButton>(find.byType(FilledButton));
    expect(button.onPressed, isNull);
    expect(find.byType(Tooltip), findsAtLeastNWidgets(1));
  });

  testWidgets('reference 없으면 References 섹션 숨김', (tester) async {
    await tester.pumpWidget(buildHarness(_sampleProtocol(refIds: const [])));
    await tester.pump();
    expect(find.textContaining('참고 ('), findsNothing);
  });
}