import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:nontonki/app.dart';
import 'package:nontonki/pages/player/player_view.dart';
import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';

import 'support/fake_catalog.dart';
import 'support/widget_player.dart';

void main() {
  /// 默认按「已登录」起测：账号体系接上后，"登录"不再是本地演示开关，
  /// 而是本地会话（这里直接给 shared_preferences 的内存实现塞一份会话）。
  /// 昵称/uid 与演示文案保持一致，避免为显示细节改写既有断言。
  void seedSignedInSession() {
    SharedPreferencesAsyncPlatform.instance =
        InMemorySharedPreferencesAsync.withData({
          'auth.accessToken': 'test-access',
          'auth.refreshToken': 'test-refresh',
          'auth.user':
              '{"uid":"M1CZWVYE","nickname":"Vicky sheng","avatarUrl":""}',
        });
  }

  setUp(() {
    seedSignedInSession();
  });

  testWidgets(
    'home swipe promotes next without recreating it or showing loading',
    (tester) async {
      final created = <String>[];
      await tester.pumpWidget(
        LumaDramaApp(
          playerFactory: (episode) {
            created.add(episode.id);
            return WidgetPlayer();
          },
          catalogRepository: FakeCatalogRepository(),
        ),
      );
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(created, hasLength(2));
      expect(find.byType(CircularProgressIndicator), findsNothing);
      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pump();
      expect(find.byType(CircularProgressIndicator), findsNothing);
      await tester.pumpAndSettle();
      expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
      expect(created, hasLength(3));
      expect(created.toSet(), hasLength(3));
      await tester.pumpWidget(const SizedBox.shrink());
      await tester.pumpAndSettle();
    },
  );

  testWidgets('immersive home opens the series detail', (tester) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(find.byType(Slider), findsOneWidget);
    expect(find.text('Home'), findsWidgets);
    expect(find.textContaining('Playing now'), findsOneWidget);
    expect(find.text('Recommended'), findsNothing);
    expect(find.text('Following'), findsNothing);
    expect(find.byTooltip('Episodes'), findsWidgets);
    expect(find.byTooltip('Clear screen'), findsOneWidget);
    expect(find.byTooltip('Picture in picture'), findsOneWidget);
    expect(find.text('Watch Full'), findsNothing);
    expect(find.byTooltip('Explore series'), findsNothing);
  });

  testWidgets('clear screen hides tabs and restores them on tap', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip('Clear screen'));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-tabs-bar')), findsNothing);
    expect(find.byTooltip('Exit clear screen'), findsOneWidget);
    await tester.tap(find.byTooltip('Exit clear screen'));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
    expect(find.byTooltip('Clear screen'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  testWidgets('home quick drawer opens current series and switches root tabs', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(360, 720);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    expect(find.text('Continue Watching'), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    expect(
      tester
          .widget<PlayerPage>(find.byType(PlayerPage, skipOffstage: false))
          .active,
      isFalse,
    );
    expect(find.text('Quick access'), findsOneWidget);
    expect(
      find.descendant(
        of: find.byType(Drawer),
        matching: find.text('7 EPISODES'),
      ),
      findsOneWidget,
    );
    expect(tester.takeException(), isNull);

    await tester.tap(find.byKey(const Key('drawer-open-series')));
    await tester.pumpAndSettle();
    expect(find.text('Watch episode 1'), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    expect(
      tester
          .widget<PlayerPage>(find.byType(PlayerPage, skipOffstage: false))
          .active,
      isFalse,
    );
    expect(find.text('Continue Watching'), findsOneWidget);

    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('drawer-discover')));
    await tester.pumpAndSettle();
    expect(find.text('Continue Watching'), findsOneWidget);
    expect(
      Navigator.of(tester.element(find.text('Continue Watching'))).canPop(),
      isFalse,
    );
  });

  testWidgets('interface language changes without a caption control', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    expect(find.byTooltip('Captions'), findsNothing);
    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    expect(find.text('Vicky sheng'), findsOneWidget);
    expect(find.text('Coins'), findsOneWidget);
    expect(find.text('PREFERENCES'), findsOneWidget);
    await tester.tap(find.text('App Language'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('简体中文').last);
    await tester.pumpAndSettle();
    expect(find.text('我的'), findsWidgets);
    expect(find.text('我的账户'), findsOneWidget);
    expect(find.text('首页'), findsOneWidget);
    await tester.tap(find.text('首页'));
    await tester.pumpAndSettle();
    expect(find.text('为你推荐'), findsOneWidget);
    expect(find.text('热门'), findsOneWidget);
  });

  testWidgets('home controls fit a compact Android viewport', (tester) async {
    tester.view.physicalSize = const Size(360, 720);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    await tester.drag(find.byType(PageView), const Offset(0, -500));
    await tester.pumpAndSettle();
    expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
    await tester.tap(find.byKey(const Key('tab-discover')));
    await tester.pumpAndSettle();
    await tester.tap(find.text('City Lights & Velvet Nights'));
    await tester.pumpAndSettle();
    expect(find.byType(Slider), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  testWidgets('My page fits a compact Android viewport and returns home', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(360, 720);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    expect(tester.takeException(), isNull);
    expect(find.text('Vicky sheng'), findsOneWidget);
    expect(find.text('Coins'), findsOneWidget);
    expect(tester.takeException(), isNull);
    await tester.tap(find.text('Shorts'));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
  });

  testWidgets(
    'Discover shows three mock playable dramas and one pending poster',
    (tester) async {
      tester.view.physicalSize = const Size(360, 720);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(
        LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
      );
      await tester.pumpAndSettle();
      await tester.tap(find.text('Home'));
      await tester.pumpAndSettle();

      expect(find.text('For You'), findsOneWidget);
      expect(find.text('Continue Watching'), findsOneWidget);
      expect(find.text('Rewards'), findsOneWidget);
      expect(find.text(r'$ 0'), findsOneWidget);
      expect(find.text('Urban Romance', skipOffstage: false), findsOneWidget);
      expect(
        find.text('Action · Thriller', skipOffstage: false),
        findsOneWidget,
      );
      expect(find.byTooltip('Search'), findsNothing);
      expect(tester.takeException(), isNull);

      await tester.tap(find.byKey(const Key('tab-my-list')));
      await tester.pumpAndSettle();
      expect(find.text('No shows here yet.'), findsOneWidget);
      await tester.tap(find.text('Shorts'));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);
    },
  );

  testWidgets('bottom tabs stay on one route', (tester) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.text('Home'));
    await tester.pumpAndSettle();
    expect(find.text('Continue Watching'), findsOneWidget);
    expect(find.byTooltip('Search'), findsNothing);
    expect(
      Navigator.of(tester.element(find.text('Continue Watching'))).canPop(),
      isFalse,
    );

    await tester.tap(find.byKey(const Key('tab-my-list')));
    await tester.pumpAndSettle();
    expect(find.text('History'), findsOneWidget);
    expect(
      Navigator.of(tester.element(find.text('History'))).canPop(),
      isFalse,
    );
    await tester.tap(find.text('Watchlist'));
    await tester.pumpAndSettle();
    expect(find.text('No shows here yet.'), findsOneWidget);

    await tester.tap(find.byKey(const Key('tab-discover')));
    await tester.pumpAndSettle();
    expect(find.text('Continue Watching'), findsOneWidget);
    expect(find.byTooltip('Search'), findsNothing);
    expect(
      Navigator.of(tester.element(find.text('Continue Watching'))).canPop(),
      isFalse,
    );
    await tester.tap(find.byKey(const Key('tab-my-list')));
    await tester.pumpAndSettle();
    expect(find.text('No shows here yet.'), findsOneWidget);
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(
      Navigator.of(tester.element(find.text('The Signal'))).canPop(),
      isFalse,
    );
  });

  testWidgets(
    'home swipe changes drama, entered player swipe changes episode',
    (tester) async {
      tester.view.physicalSize = const Size(390, 844);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(
        LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
      );
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);

      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pumpAndSettle();
      expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
      expect(find.textContaining('Episode 1'), findsOneWidget);

      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();
      await tester.tap(find.text('City Lights & Velvet Nights'));
      await tester.pumpAndSettle();
      expect(find.byType(Slider), findsOneWidget);
      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pumpAndSettle();
      expect(find.text('Episode 2 · Playing now'), findsOneWidget);
      expect(find.text('City Lights & Velvet Nights'), findsWidgets);
    },
  );

  testWidgets('shorts page has no category navigation', (tester) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('Following'), findsNothing);
    expect(find.text('Animated'), findsNothing);
    expect(find.text('Live Action'), findsNothing);
    expect(find.text('Recommended'), findsNothing);
    expect(find.text('The Signal'), findsOneWidget);
    await tester.drag(find.byType(PageView), const Offset(0, -550));
    await tester.pumpAndSettle();
    expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });
  testWidgets('right rail saves, comments, likes and invokes share in order', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    String? sharedText;
    const channel = MethodChannel('com.stormg.lumadrama/share');
    tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(channel, (
      call,
    ) async {
      sharedText = (call.arguments as Map)['text'] as String;
      return null;
    });
    addTearDown(
      () => tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(
        channel,
        null,
      ),
    );

    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    final keys = [
      const Key('rail-like'),
      const Key('rail-save'),
      const Key('rail-comments'),
      const Key('rail-share'),
    ];
    final tops = keys
        .map((key) => tester.getTopLeft(find.byKey(key)).dy)
        .toList();
    expect(tops, orderedEquals(tops.toList()..sort()));

    await tester.tap(find.byKey(const Key('rail-save')));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('rail-comments')));
    await tester.pumpAndSettle();
    expect(find.text('Only visible on this device'), findsOneWidget);
    await tester.enterText(find.byKey(const Key('comment-input')), 'Nice demo');
    await tester.tap(find.byKey(const Key('comment-post')));
    await tester.pumpAndSettle();
    expect(find.text('Nice demo'), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();

    await tester.tap(find.byKey(const Key('rail-like')));
    await tester.tap(find.byKey(const Key('rail-share')));
    await tester.pumpAndSettle();
    expect(sharedText, contains('The Signal'));
    expect(tester.takeException(), isNull);
  });

  testWidgets('system back opens the drawer and stays on home', (tester) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();

    expect(find.text('Continue Watching'), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    expect(find.text('Quick access'), findsOneWidget);
    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    expect(find.text('Quick access'), findsNothing);
    expect(find.text('Continue Watching'), findsOneWidget);
    expect(
      Navigator.of(
        tester.element(find.byKey(const Key('home-tabs-bar'))),
      ).canPop(),
      isFalse,
    );
  });

  testWidgets('My watchlist lists saved dramas across the home feed', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    await tester.pumpWidget(
      LumaDramaApp(playerFactory: createWidgetPlayer, catalogRepository: FakeCatalogRepository()),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();

    await tester.tap(find.byKey(const Key('rail-save')));
    await tester.pumpAndSettle();
    await tester.drag(find.byType(PageView), const Offset(0, -550));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('rail-save')));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-my-list')));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Watchlist'));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(find.text('City Lights & Velvet Nights'), findsWidgets);
    await tester.tap(find.text('The Signal'));
    await tester.pumpAndSettle();
    expect(find.text('Watch episode 1'), findsOneWidget);
  });
}