// Author: fruit.com.cn

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/theme/app_colors.dart';
import 'package:fruitshorts/core/theme/app_theme.dart';
import 'package:fruitshorts/core/widgets/subpage_header.dart';

void main() {
  testWidgets('should_render_unified_dark_header_dimensions', (tester) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.light(),
        home: Scaffold(
          body: AppSubpageHeader(
            title: 'Title',
            backKey: const Key('sample-back'),
          ),
        ),
      ),
    );

    expect(tester.getSize(find.byKey(const Key('subpage-header'))).height, 52);
    expect(
      tester.getSize(find.byKey(const Key('sample-back'))),
      const Size(40, 40),
    );
    final title = tester.widget<Text>(find.byKey(const Key('subpage-title')));
    expect(title.style?.fontSize, 18);
    expect(title.style?.fontWeight, FontWeight.w800);
    expect(title.style?.color, AppColors.textPrimary);
    final back = tester.getRect(find.byKey(const Key('sample-back')));
    final titleRect = tester.getRect(find.byKey(const Key('subpage-title')));
    expect(titleRect.left - back.right, closeTo(12, 0.5));
    final surface = tester.widget<Material>(
      find.descendant(
        of: find.byKey(const Key('sample-back')),
        matching: find.byType(Material),
      ),
    );
    expect(surface.color, AppColors.transparent);
    expect((surface.shape! as CircleBorder).side, BorderSide.none);
    final shadow =
        tester
                .widget<DecoratedBox>(
                  find.byKey(const Key('subpage-back-shadow')),
                )
                .decoration
            as BoxDecoration;
    expect(shadow.boxShadow, isEmpty);
  });

  testWidgets('should_use_64_height_when_subtitle_exists', (tester) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.light(),
        home: Scaffold(
          body: AppSubpageHeader(
            title: 'Title',
            subtitle: 'Subtitle',
            backKey: const Key('sample-back'),
          ),
        ),
      ),
    );

    expect(tester.getSize(find.byKey(const Key('subpage-header'))).height, 64);
    expect(find.byKey(const Key('subpage-subtitle')), findsOneWidget);
  });

  testWidgets('should_use_translucent_dark_back_button', (tester) async {
    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.light(),
        home: const Scaffold(
          backgroundColor: AppColors.mediaBlack,
          body: AppSubpageHeader(
            title: 'Title',
            backKey: Key('sample-back'),
            dark: true,
          ),
        ),
      ),
    );

    final material = tester.widget<Material>(
      find.descendant(
        of: find.byKey(const Key('sample-back')),
        matching: find.byType(Material),
      ),
    );
    final icon = tester.widget<Icon>(
      find.descendant(
        of: find.byKey(const Key('sample-back')),
        matching: find.byIcon(Icons.chevron_left_rounded),
      ),
    );
    expect(material.color, AppColors.headerScrim);
    expect(icon.color, AppColors.onSurface);
    expect(icon.size, 22);
    expect(icon.weight, 600);
    final shadow =
        tester
                .widget<DecoratedBox>(
                  find.byKey(const Key('subpage-back-shadow')),
                )
                .decoration
            as BoxDecoration;
    expect(shadow.boxShadow!.single.color, AppColors.shadowSoft);
    expect(shadow.boxShadow!.single.blurRadius, 8);
  });
}