/// StateBadge widget 测试（UI-01 Task 3）。
///
/// 覆盖：五个语义变体均渲染图标 + 文案 + 语义色（不只靠颜色）、
/// compact/normal 两档高度、深色主题取提亮变体。
library;

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:photo_live/app/theme.dart';
import 'package:photo_live/ui/components/state_badge.dart';
import 'package:photo_live/ui/tokens.dart';

void main() {
  Future<void> pumpBadge(
    WidgetTester tester, {
    required BadgeVariant variant,
    bool compact = false,
    bool dark = false,
  }) {
    return tester.pumpWidget(
      MaterialApp(
        theme: dark ? AppTheme.dark : AppTheme.light,
        home: Scaffold(
          body: Center(
            child: StateBadge(
              variant: variant,
              label: 'badge-label',
              compact: compact,
            ),
          ),
        ),
      ),
    );
  }

  Finder containerOf() => find
      .descendant(of: find.byType(StateBadge), matching: find.byType(Container))
      .first;

  for (final entry in <(BadgeVariant, IconData, Color)>[
    (BadgeVariant.success, Icons.check_circle, kColorSuccess),
    (BadgeVariant.warning, Icons.hourglass_top, kColorWaiting),
    (BadgeVariant.error, Icons.error_outline, kColorError),
    (BadgeVariant.neutral, Icons.remove_circle_outline, kColorTextSecondary),
    (BadgeVariant.info, Icons.info_outline, kColorInfo),
  ]) {
    final (variant, icon, color) = entry;
    testWidgets('${variant.name}：图标 + 文案 + 语义色', (tester) async {
      await pumpBadge(tester, variant: variant);

      expect(find.byIcon(icon), findsOneWidget, reason: '内置语义图标');
      expect(find.text('badge-label'), findsOneWidget, reason: '状态文案');
      expect(find.byType(StateBadge), findsOneWidget);

      final container = tester.widget<Container>(containerOf());
      final decoration = container.decoration as BoxDecoration;
      expect(
        decoration.color,
        color.withValues(alpha: 0.12),
        reason: '浅色底：语义色 12% 透明度',
      );

      final text = tester.widget<Text>(find.text('badge-label'));
      expect(text.style!.color, color, reason: '文字用语义色');
    });
  }

  testWidgets('compact 高 24 / normal 高 32', (tester) async {
    await pumpBadge(tester, variant: BadgeVariant.success, compact: true);
    expect(tester.getSize(find.byType(StateBadge)).height, 24);

    await pumpBadge(tester, variant: BadgeVariant.success);
    expect(tester.getSize(find.byType(StateBadge)).height, 32);
  });

  testWidgets('深色主题取提亮变体（success 例）', (tester) async {
    await pumpBadge(tester, variant: BadgeVariant.success, dark: true);

    expect(find.byIcon(Icons.check_circle), findsOneWidget);
    final text = tester.widget<Text>(find.text('badge-label'));
    expect(text.style!.color, kColorSuccessDark);
    expect(kColorSuccessDark, isNot(kColorSuccess), reason: '深浅变体不同值');
  });
}