submanager/lib/widgets/common/cards/section_card.dart

import 'package:flutter/material.dart';

/// 섹션별 컨텐츠를 감싸는 기본 카드 위젯
/// 폼 섹션, 정보 표시 섹션 등에 사용됩니다.
class SectionCard extends StatelessWidget {
  final String? title;
  final Widget child;
  final EdgeInsetsGeometry? padding;
  final EdgeInsetsGeometry? margin;
  final Color? backgroundColor;
  final double borderRadius;
  final List<BoxShadow>? boxShadow;
  final Border? border;
  final double? height;
  final double? width;
  final VoidCallback? onTap;

  const SectionCard({
    super.key,
    this.title,
    required this.child,
    this.padding,
    this.margin,
    this.backgroundColor,
    this.borderRadius = 20,
    this.boxShadow,
    this.border,
    this.height,
    this.width,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final effectiveBackgroundColor = backgroundColor ?? Colors.white;
    final effectiveShadow = boxShadow ?? [
      BoxShadow(
        color: Colors.black.withValues(alpha: 0.05),
        blurRadius: 10,
        offset: const Offset(0, 4),
      ),
    ];

    Widget card = Container(
      height: height,
      width: width,
      margin: margin,
      decoration: BoxDecoration(
        color: effectiveBackgroundColor,
        borderRadius: BorderRadius.circular(borderRadius),
        boxShadow: effectiveShadow,
        border: border,
      ),
      child: Padding(
        padding: padding ?? const EdgeInsets.all(20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisSize: MainAxisSize.min,
          children: [
            if (title != null) ...[
              Text(
                title!,
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.w700,
                  color: theme.colorScheme.onSurface,
                ),
              ),
              const SizedBox(height: 16),
            ],
            child,
          ],
        ),
      ),
    );

    if (onTap != null) {
      return InkWell(
        onTap: onTap,
        borderRadius: BorderRadius.circular(borderRadius),
        child: card,
      );
    }

    return card;
  }
}

/// 투명한 배경의 섹션 카드
/// 어두운 배경 위에서 사용하기 적합합니다.
class TransparentSectionCard extends StatelessWidget {
  final String? title;
  final Widget child;
  final EdgeInsetsGeometry? padding;
  final EdgeInsetsGeometry? margin;
  final double opacity;
  final double borderRadius;
  final Color? borderColor;
  final VoidCallback? onTap;

  const TransparentSectionCard({
    super.key,
    this.title,
    required this.child,
    this.padding,
    this.margin,
    this.opacity = 0.15,
    this.borderRadius = 16,
    this.borderColor,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    Widget card = Container(
      margin: margin,
      decoration: BoxDecoration(
        color: Colors.white.withValues(alpha: opacity),
        borderRadius: BorderRadius.circular(borderRadius),
        border: borderColor != null
            ? Border.all(color: borderColor!, width: 1)
            : null,
      ),
      child: Padding(
        padding: padding ?? const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisSize: MainAxisSize.min,
          children: [
            if (title != null) ...[
              Text(
                title!,
                style: TextStyle(
                  fontSize: 16,
                  fontWeight: FontWeight.w600,
                  color: Colors.white.withValues(alpha: 0.9),
                ),
              ),
              const SizedBox(height: 12),
            ],
            child,
          ],
        ),
      ),
    );

    if (onTap != null) {
      return InkWell(
        onTap: onTap,
        borderRadius: BorderRadius.circular(borderRadius),
        child: card,
      );
    }

    return card;
  }
}

/// 정보 표시용 카드
/// 읽기 전용 정보를 표시할 때 사용합니다.
class InfoCard extends StatelessWidget {
  final String label;
  final String value;
  final IconData? icon;
  final Color? iconColor;
  final Color? backgroundColor;
  final EdgeInsetsGeometry? padding;
  final double borderRadius;

  const InfoCard({
    super.key,
    required this.label,
    required this.value,
    this.icon,
    this.iconColor,
    this.backgroundColor,
    this.padding,
    this.borderRadius = 12,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);

    return Container(
      padding: padding ?? const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: backgroundColor ?? theme.colorScheme.surface,
        borderRadius: BorderRadius.circular(borderRadius),
      ),
      child: Row(
        children: [
          if (icon != null) ...[
            Icon(
              icon,
              size: 24,
              color: iconColor ?? theme.colorScheme.primary,
            ),
            const SizedBox(width: 12),
          ],
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  label,
                  style: TextStyle(
                    fontSize: 14,
                    color: theme.colorScheme.onSurface.withValues(alpha: 0.6),
                  ),
                ),
                const SizedBox(height: 4),
                Text(
                  value,
                  style: TextStyle(
                    fontSize: 16,
                    fontWeight: FontWeight.w600,
                    color: theme.colorScheme.onSurface,
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}