// Author: fruit.com.cn
// 职责：验证剧集播放页 YMB 入场 loading 的品牌视觉、运动和减少动画行为。
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/player/widgets/player_loading_overlay.dart';

const _surface = Key('player-loading-surface');
const _logo = Key('player-entry-loading');
const _motion = Key('player-entry-loading-motion');

void main() {
  testWidgets('should_show_ymb_motion_without_circular_spinner', (
    tester,
  ) async {
    await _pump(tester);

    expect(find.byType(CircularProgressIndicator), findsNothing);
    expect(find.byKey(_surface), findsOneWidget);
    expect(find.byKey(_logo), findsOneWidget);
    expect(find.text('Loading'), findsNothing);
    expect(find.byKey(const Key('player-entry-loading-track')), findsNothing);
    expect(
      find.byKey(const Key('player-entry-loading-highlight')),
      findsNothing,
    );
    expect(find.byType(ShaderMask), findsOneWidget);
    expect(tester.getSize(find.byKey(_surface)), const Size(56, 36));
    expect(tester.getSize(find.byKey(_logo)), const Size(48, 29));
    expect(tester.widget<Container>(find.byKey(_surface)).decoration, isNull);

    final initialScale = _scaleOf(tester);
    await tester.pump(const Duration(milliseconds: 300));
    expect(_scaleOf(tester), isNot(initialScale));
  });

  testWidgets('should_keep_loading_static_when_motion_is_disabled', (
    tester,
  ) async {
    await _pump(tester, disableAnimations: true);

    final initialScale = _scaleOf(tester);
    await tester.pump(const Duration(milliseconds: 300));
    expect(_scaleOf(tester), initialScale);
    expect(find.byKey(_logo), findsOneWidget);
    expect(find.text('Loading'), findsNothing);
  });
}

double _scaleOf(WidgetTester tester) {
  return tester.widget<Transform>(find.byKey(_motion)).transform.storage.first;
}

Future<void> _pump(
  WidgetTester tester, {
  bool disableAnimations = false,
}) async {
  await tester.pumpWidget(
    MaterialApp(
      locale: const Locale('en'),
      localizationsDelegates: AppLocalizations.localizationsDelegates,
      supportedLocales: AppLocalizations.supportedLocales,
      home: MediaQuery(
        data: MediaQueryData(disableAnimations: disableAnimations),
        child: Scaffold(
          body: Center(
            child: PlayerLoadingOverlay(opacity: 1, onFadeEnd: () {}),
          ),
        ),
      ),
    ),
  );
}