import 'package:flutter/material.dart';
import 'package:percent_indicator/percent_indicator.dart';
import '../models/energy_data.dart';
import '../theme/app_theme.dart';

class ProductionCard extends StatelessWidget {
  final EnergyData data;

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

  @override
  Widget build(BuildContext context) {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            // Header
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Expanded(
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      const Text(
                        'Production du jour',
                        style: TextStyle(
                          fontSize: 16,
                          fontWeight: FontWeight.bold,
                          color: AppTheme.textDark,
                        ),
                      ),
                      Text(
                        '${_formatEnergy(data.dayProductionWh)} Wh',
                        style: const TextStyle(
                          fontSize: 22,
                          fontWeight: FontWeight.bold,
                          color: AppTheme.textDark,
                        ),
                        overflow: TextOverflow.ellipsis,
                      ),
                    ],
                  ),
                ),
                const SizedBox(width: 8),
                CircularPercentIndicator(
                  radius: 35,
                  lineWidth: 6,
                  percent: (data.selfConsumptionRate / 100).clamp(0, 1),
                  center: Text(
                    '${data.selfConsumptionRate.toStringAsFixed(0)}%',
                    style: const TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 13,
                    ),
                  ),
                  progressColor: AppTheme.primaryGreen,
                  backgroundColor: Colors.grey.shade200,
                ),
              ],
            ),
            const Divider(height: 24),

            // Self-consumption
            _StatRow(
              icon: Icons.home_rounded,
              iconColor: AppTheme.solarYellow,
              label: 'Usage personnel',
              value: '${_formatEnergy(data.daySelfConsumptionWh)} Wh',
              subLabel: 'Autoconsommation',
              percent: data.selfConsumptionRate,
              color: AppTheme.solarYellow,
            ),
            const SizedBox(height: 12),

            // Grid injection
            _StatRow(
              icon: Icons.electrical_services_rounded,
              iconColor: AppTheme.gridGray,
              label: 'Vers réseau',
              value: '${_formatEnergy(data.dayGridInjectionWh)} Wh',
              subLabel: 'Autonomie',
              percent: data.autonomyRate,
              color: AppTheme.homeBlue,
            ),
          ],
        ),
      ),
    );
  }

  String _formatEnergy(double wh) {
    if (wh >= 1000) return '${(wh / 1000).toStringAsFixed(2)} k';
    return wh.toStringAsFixed(0);
  }
}

class _StatRow extends StatelessWidget {
  final IconData icon;
  final Color iconColor;
  final String label;
  final String value;
  final String subLabel;
  final double percent;
  final Color color;

  const _StatRow({
    required this.icon,
    required this.iconColor,
    required this.label,
    required this.value,
    required this.subLabel,
    required this.percent,
    required this.color,
  });

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Row(
          children: [
            Container(
              width: 40,
              height: 40,
              decoration: BoxDecoration(
                color: iconColor.withValues(alpha:0.15),
                shape: BoxShape.circle,
              ),
              child: Icon(icon, color: iconColor, size: 20),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Text(label,
                          style: const TextStyle(
                              fontSize: 14, color: AppTheme.textLight)),
                      Text(value,
                          style: const TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.bold,
                              color: AppTheme.textDark)),
                    ],
                  ),
                  const SizedBox(height: 4),
                  Row(
                    children: [
                      Text(
                        '$subLabel : ${percent.toStringAsFixed(0)}%',
                        style: TextStyle(fontSize: 11, color: color),
                      ),
                      const SizedBox(width: 8),
                      Expanded(
                        child: ClipRRect(
                          borderRadius: BorderRadius.circular(4),
                          child: LinearProgressIndicator(
                            value: (percent / 100).clamp(0, 1),
                            backgroundColor: Colors.grey.shade200,
                            valueColor: AlwaysStoppedAnimation(color),
                            minHeight: 5,
                          ),
                        ),
                      ),
                    ],
                  ),
                ],
              ),
            ),
          ],
        ),
      ],
    );
  }
}