flutterApp/lib/features/v2/home/presentation/widgets/stats_grid.dart

import 'package:flutter/material.dart';
import 'package:maibu_satabot_v2/features/v2/home/domain/entities/home_entity.dart';

class StatsGrid extends StatelessWidget {
  final HomeEntity data;

  const StatsGrid({super.key, required this.data});

  @override
  Widget build(BuildContext context) {
    return GridView.count(
      crossAxisCount: 2,
      childAspectRatio: 1.8,
      shrinkWrap: true,
      physics: const NeverScrollableScrollPhysics(),
      mainAxisSpacing: 8,
      crossAxisSpacing: 8,
      padding: EdgeInsets.zero,
      children: [
        _buildStatCard(
          title: '今日发电量',
          value: _formatNumber(data.todayGeneration),
          unit: 'kWh',
          valueColor: const Color(0xFF00B42A),
          showArrow: false,
        ),
        _buildStatCard(
          title: '等效小时数',
          value: data.equivalentHours.toStringAsFixed(1),
          unit: 'h',
          valueColor: const Color(0xFF165DFF),
          showArrow: false,
        ),
        _buildAlarmCard(data.alarmCount),
        _buildWorkOrderCard(data.pendingWorkOrders),
      ],
    );
  }

  Widget _buildStatCard({
    required String title,
    required String value,
    required String unit,
    required Color valueColor,
    bool showArrow = false,
  }) {
    return Container(
      padding: const EdgeInsets.all(8),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        boxShadow: const [
          BoxShadow(
            color: Color(0x0D000000),
            blurRadius: 4,
            offset: Offset(0, 2),
          ),
        ],
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          if (showArrow)
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  title,
                  style: const TextStyle(
                    color: Color(0xFF4E5969),
                    fontSize: 14,
                  ),
                ),
                const Icon(
                  Icons.arrow_forward_ios,
                  size: 14,
                  color: Color(0xFF86909C),
                ),
              ],
            )
          else
            Text(
              title,
              style: const TextStyle(
                color: Color(0xFF4E5969),
                fontSize: 14,
              ),
            ),
          const Spacer(),
          Row(
            crossAxisAlignment: CrossAxisAlignment.end,
            children: [
              Text(
                value,
                style: TextStyle(
                  color: valueColor,
                  fontSize: 32,
                  fontWeight: FontWeight.bold,
                ),
              ),
              const SizedBox(width: 4),
              Text(
                unit,
                style: const TextStyle(
                  color: Color(0xFF4E5969),
                  fontSize: 14,
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  Widget _buildAlarmCard(int count) {
    return Container(
      padding: const EdgeInsets.fromLTRB(12, 0, 12, 12),
      decoration: BoxDecoration(
        color: const Color(0xFFFFF0F0),
        borderRadius: BorderRadius.circular(16),
        boxShadow: const [
          BoxShadow(
            color: Color(0x0D000000),
            blurRadius: 4,
            offset: Offset(0, 2),
          ),
        ],
      ),
      child: Row(
        children: [
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                const Text(
                  '告警数',
                  style: TextStyle(
                    color: Color(0xFFF53F3F),
                    fontSize: 13,
                  ),
                ),
                const SizedBox(height: 4),
                Text(
                  count.toString(),
                  style: const TextStyle(
                    color: Color(0xFFF53F3F),
                    fontSize: 28,
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ],
            ),
          ),
          Container(
            width: 44,
            height: 44,
            decoration: const BoxDecoration(
              color: Color(0xFFFFE8E8),
              shape: BoxShape.circle,
            ),
            child: const Icon(
              Icons.notifications_none,
              size: 24,
              color: Color(0xFFF53F3F),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildWorkOrderCard(int count) {
    return Container(
      padding: const EdgeInsets.fromLTRB(12, 0, 12, 12),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        boxShadow: const [
          BoxShadow(
            color: Color(0x0D000000),
            blurRadius: 4,
            offset: Offset(0, 2),
          ),
        ],
      ),
      child: Row(
        children: [
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                const Text(
                  '待办工单',
                  style: TextStyle(
                    color: Color(0xFF4E5969),
                    fontSize: 13,
                  ),
                ),
                const SizedBox(height: 4),
                Text(
                  count.toString(),
                  style: const TextStyle(
                    color: Color(0xFF1D2129),
                    fontSize: 28,
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ],
            ),
          ),
          Container(
            width: 44,
            height: 44,
            decoration: const BoxDecoration(
              color: Color(0xFFE8F3FF),
              shape: BoxShape.circle,
            ),
            child: const Icon(
              Icons.content_paste,
              size: 24,
              color: Color(0xFF165DFF),
            ),
          ),
        ],
      ),
    );
  }

  String _formatNumber(double number) {
    final formatted = number.toStringAsFixed(0);
    final parts = formatted.split('.');
    final intPart = parts[0];
    final buffer = StringBuffer();
    for (int i = 0; i < intPart.length; i++) {
      if (i > 0 && (intPart.length - i) % 3 == 0) {
        buffer.write(',');
      }
      buffer.write(intPart[i]);
    }
    return buffer.toString();
  }
}