import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:friendly_map/modules/app/app.dart';
import 'package:friendly_map/modules/storage/storage.dart';
import 'package:friendly_map/modules/transport/transport.dart';
import 'package:friendly_map/modules/ui/src/screens/person_screen.dart';
import 'package:friendly_map/modules/ui/ui.dart';

import 'support/app_device.dart';
import 'support/fake_cipher.dart';
import 'support/storage_contract.dart' show FakeProbe;

/// 키·저장소를 어떻게 여는지는 화면이 모른다. 시험에서는 메모리 기기로 대신한다.
class FakeBootstrap implements Bootstrap {
  FakeBootstrap({this.keys = false, this.app});

  bool keys;
  final FriendlyApp? app;

  @override
  Future<bool> hasKeys() async => keys;
  @override
  Future<String> createKeys() async {
    keys = true;
    return 'one two three four five six seven eight nine ten eleven twelve';
  }

  @override
  Future<bool> restoreKeys(String phrase) async => false;
  @override
  Future<List<String>> splitRecovery(int n, int k) async => [for (var i = 1; i <= n; i++) 'fmr1.$k.0000.$i:00'];
  @override
  Future<FriendlyApp> openApp() async => app!;
  @override
  Future<String?> recoveryPhrase() async => null;
}

void main() {
  Future<FriendlyApp> openWithFriend(WidgetTester tester) async {
    final device = await tester.runAsync(() => AppDevice.create(MemoryHub(), '010-1111-2222', '+821011112222', '이미영', start: false));
    await tester.pumpWidget(FriendlyMapApp(bootstrap: FakeBootstrap(keys: true, app: device!.app)));
    await tester.pumpAndSettle();
    return device.app;
  }

  Future<void> tab(WidgetTester tester, String label) async {
    await tester.tap(find.descendant(of: find.byType(NavigationBar), matching: find.text(label)));
    await tester.pumpAndSettle();
  }

  testWidgets('처음 시작: 복구 코드 없이 이름·번호만 넣으면 바로 채팅 화면', (tester) async {
    final app = FriendlyApp(AppDeps(
      storage: Storage.memory(),
      transport: MemoryTransport('+821011112222', MemoryHub()),
      cipher: FakeCipher('K'),
      identity: FakeIdentity('K'),
      probe: FakeProbe(10),
    ));
    final boot = FakeBootstrap(app: app);
    await tester.pumpWidget(FriendlyMapApp(bootstrap: boot));
    await tester.pumpAndSettle();
    expect(find.text('시작하기'), findsOneWidget);
    expect(find.textContaining('복구'), findsNothing);
    await tester.enterText(find.byType(TextField).at(0), '이미영');
    await tester.enterText(find.byType(TextField).at(1), '010-1111-2222');
    await tester.pump();
    await tester.tap(find.text('시작하기'));
    await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 50)));
    await tester.pumpAndSettle();
    expect(boot.keys, isTrue, reason: '키는 조용히 만들어진다');
    expect(find.byType(NavigationBar), findsOneWidget);
    expect(find.text('아직 대화가 없어요'), findsOneWidget);
  });

  testWidgets('아래 메뉴: 채팅 · 관계 · 업무 · 명함 · 나', (tester) async {
    await openWithFriend(tester);
    for (final l in ['채팅', '관계', '업무', '명함', '나']) {
      expect(find.descendant(of: find.byType(NavigationBar), matching: find.text(l)), findsOneWidget);
    }
    await tab(tester, '명함');
    expect(find.text('내 명함'), findsWidgets);
    await tab(tester, '나');
    expect(find.text('010-1111-2222'), findsOneWidget, reason: '번호는 010 형식으로');
  });

  testWidgets('관계 탭: 그룹 네 개, 새 그룹 더하기, 학교 안에 하위 그룹', (tester) async {
    await openWithFriend(tester);
    await tab(tester, '관계');
    for (final n in ['가족', '학교', '회사', '그룹·여행']) {
      expect(find.text(n), findsOneWidget);
    }
    await tester.tap(find.text('새 그룹'));
    await tester.pumpAndSettle();
    await tester.enterText(find.byType(TextField).last, '등산 모임');
    await tester.tap(find.text('확인'));
    await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 50)));
    await tester.pumpAndSettle();
    await tester.scrollUntilVisible(find.text('등산 모임'), 200, scrollable: find.byType(Scrollable).first);
    expect(find.text('등산 모임'), findsOneWidget);
    await tester.scrollUntilVisible(find.text('학교'), -200, scrollable: find.byType(Scrollable).first);
    await tester.tap(find.text('학교'));
    await tester.pumpAndSettle();
    expect(find.text('고등학교'), findsOneWidget);
    expect(find.text('대학원'), findsOneWidget);
  });

  testWidgets('사람 화면의 관계 버튼으로 학교 › 고등학교에 넣으면 들어간 그룹이 보인다', (tester) async {
    final device = await tester.runAsync(() => AppDevice.create(MemoryHub(), '010-1111-2222', '+821011112222', '이미영', start: false));
    final app = device!.app;
    final friend = await tester.runAsync(() => app.friends.add('+821033334444', '김민수'));
    await tester.pumpWidget(FriendlyMapApp(bootstrap: FakeBootstrap(keys: true, app: app)));
    await tester.pumpAndSettle();
    tester.state<NavigatorState>(find.byType(Navigator).first).push(MaterialPageRoute<void>(builder: (_) => PersonScreen(personId: friend!.id)));
    await tester.pumpAndSettle();
    expect(find.text('010-3333-4444'), findsOneWidget);
    expect(find.textContaining('관계 정하기 —'), findsOneWidget);
    await tester.tap(find.text('관계'));
    await tester.pumpAndSettle();
    await tester.tap(find.textContaining('학교 동문'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('고등학교'));
    await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 50)));
    await tester.pumpAndSettle();
    expect(find.text('학교 › 고등학교'), findsOneWidget);
  });
}