import 'package:flutter/material.dart';

import '../app/theme.dart';

/// 品牌云卡：橙→金渐变表面 + 深棕文字，用于首页 / 概览的招牌区块。
///
/// 自动把内部文字与图标设为 [AppBrand.onCloud]（亮橙底上的深棕），
/// 因此卡片内无需再单独指定前景色。
class CloudCard extends StatelessWidget {
  const CloudCard({
    super.key,
    this.child,
    this.padding = const EdgeInsets.all(20),
    this.radius,
  });

  final Widget? child;
  final EdgeInsetsGeometry padding;

  /// 圆角覆盖；默认用 [AppRadius.lg]。
  final double? radius;

  @override
  Widget build(BuildContext context) {
    final scheme = Theme.of(context).colorScheme;
    return Container(
      decoration: BoxDecoration(
        gradient: AppBrand.cloudGradient,
        borderRadius: BorderRadius.circular(radius ?? AppRadius.lg),
        boxShadow: AppShadows.md,
      ),
      padding: padding,
      foregroundDecoration: scheme.brightness == Brightness.dark
          ? BoxDecoration(
              borderRadius: BorderRadius.circular(radius ?? AppRadius.lg),
              color: Colors.black.withOpacity(0.28),
            )
          : null,
      child: DefaultTextStyle(
        style: const TextStyle(color: AppBrand.onCloud),
        child: IconTheme(
          data: const IconThemeData(color: AppBrand.onCloud),
          child: child ?? const SizedBox.shrink(),
        ),
      ),
    );
  }
}