// Author: fruit.com.cn

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/data/models/drama.dart';
import 'package:fruitshorts/core/data/models/home_feed.dart';
import 'package:fruitshorts/core/data/repositories/catalog_repository.dart';
import 'package:fruitshorts/core/data/services/catalog_controller.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/home/home_view.dart';
import 'package:provider/provider.dart';

void main() {
  testWidgets(
    'should_keep_splash_with_loading_until_home_feed_settles',
    (tester) async {
      final repository = _PendingCatalog();
      await tester.pumpWidget(
        MaterialApp(
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: ChangeNotifierProvider(
            create: (_) => CatalogController(repository)..load(),
            child: const HomePage(),
          ),
        ),
      );

      expect(find.byKey(const Key('splash-screen')), findsOneWidget);
      expect(find.byKey(const Key('splash-loading')), findsOneWidget);
      expect(find.byKey(const Key('home-empty')), findsNothing);
      final clip = tester.widget<ClipRRect>(find.byType(ClipRRect));
      expect(clip.borderRadius, BorderRadius.circular(18));

      repository.pending.complete(const HomeFeed());
      await tester.pump();
      await tester.pump();

      expect(find.byKey(const Key('splash-screen')), findsNothing);
      expect(find.byKey(const Key('home-empty')), findsOneWidget);
    },
  );
}

class _PendingCatalog implements CatalogRepository {
  final Completer<HomeFeed> pending = Completer<HomeFeed>();

  @override
  Future<HomeFeed> fetchHomeFeed() => pending.future;

  @override
  Future<HomeFeed> fetchDiscoverFeed() => pending.future;

  @override
  Future<Drama> fetchDrama(String dramaId) =>
      Future<Drama>.error(StateError('unused'));
}