water-management-system/lib/widgets/custom_card.dart

import 'package:flutter/material.dart';
import 'package:water_management_system/utils/constants.dart';

class CustomCard extends StatelessWidget {
  final String? title;
  final String? subtitle;
  final Widget? trailing;
  final List<Widget>? children;
  final Color? color;
  final IconData? icon;
  final String? value;

  const CustomCard({
    super.key,
    this.title,
    this.subtitle,
    this.trailing,
    this.children,
    this.color,
    this.icon,
    this.value,
  });

  @override
  Widget build(BuildContext context) {
    if (title != null && value != null && icon != null) {
      return Container(
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: color?.withOpacity(0.1) ?? Colors.white,
          borderRadius: BorderRadius.circular(8),
          border: Border.all(color: color?.withOpacity(0.3) ?? Colors.grey[300]!),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Icon(icon, color: color ?? AppConstants.primaryColor, size: 24),
            const SizedBox(height: 8),
            Text(title!, style: TextStyle(fontSize: 12, color: Colors.grey[600])),
            const SizedBox(height: 4),
            Text(value!, style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: color ?? AppConstants.primaryColor)),
          ],
        ),
      );
    }

    return Card(
      margin: const EdgeInsets.symmetric(vertical: 4),
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
      elevation: 2,
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            if (title != null || trailing != null)
              Row(children: [
                if (title != null) Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                  Text(title!, style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                  if (subtitle != null) Text(subtitle!, style: TextStyle(color: Colors.grey[600], fontSize: 12)),
                ])),
                if (trailing != null) trailing!,
              ]),
            if (children != null) ...children!,
          ],
        ),
      ),
    );
  }
}