import 'package:flutter/material.dart';
import '../models/econtrol_model.dart';

class GasStationCard extends StatelessWidget {
  final EControlModel station;
  final int index;

  const GasStationCard({super.key, required this.station, required this.index});

  Color _getPriceColor(double? price) {
    if (price == null) return Colors.grey;
    if (price < 1.50) return Colors.green;
    if (price < 1.70) return Colors.orange;
    return Colors.red;
  }

  String _formatDistance(double? distance) {
    if (distance == null) return 'N/A';
    if (distance < 1) {
      return '${(distance * 1000).toStringAsFixed(0)} m';
    } else {
      return '${distance.toStringAsFixed(2)} km';
    }
  }

  // Hilfsmethode zur Erstellung eines einzelnen Preis-Badges
  Widget _buildPriceBadge(Prices? priceInfo) {
    if (priceInfo == null || priceInfo.amount == null) {
      return const SizedBox.shrink();
    }

    final double price = priceInfo.amount!;
    final String label = priceInfo.label ?? priceInfo.fuelType ?? '';
    final Color badgeColor = _getPriceColor(price);

    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
      decoration: BoxDecoration(
        color: badgeColor.withAlpha(35),
        borderRadius: BorderRadius.circular(12),
        border: Border.all(color: badgeColor, width: 1.5),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(Icons.local_gas_station, color: badgeColor, size: 22),
          const SizedBox(width: 6),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisSize: MainAxisSize.min,
            children: [
              Text(
                '€ ${price.toStringAsFixed(3)}',
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.bold,
                  color: badgeColor,
                ),
              ),
              if (label.isNotEmpty)
                Text(
                  label,
                  style: TextStyle(
                    fontSize: 10,
                    color: Colors.grey[700],
                    fontWeight: FontWeight.w500,
                  ),
                ),
            ],
          ),
        ],
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    // Suchen nach Diesel und Super/Benzin im Prices-Array
    final dieselPrice = station.prices?.firstWhere(
      (p) => p.fuelType == 'DIE' || (p.label?.toLowerCase().contains('diesel') ?? false),
      orElse: () => station.prices?.isNotEmpty == true ? station.prices!.first : Prices(),
    );

    final supPrice = station.prices?.firstWhere(
      (p) => p.fuelType == 'SUP' || (p.label?.toLowerCase().contains('benzin') ?? false) || (p.label?.toLowerCase().contains('super') ?? false),
      orElse: () => Prices(),
    );

    return Card(
      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
      elevation: 4,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
      child: Container(
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(16),
          gradient: LinearGradient(
            begin: Alignment.topLeft,
            end: Alignment.bottomRight,
            colors: [Colors.white, Colors.grey[50]!],
          ),
        ),
        child: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // Header Row
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 12,
                      vertical: 6,
                    ),
                    decoration: BoxDecoration(
                      color: Colors.blueGrey[700],
                      borderRadius: BorderRadius.circular(20),
                    ),
                    child: Text(
                      '#${index + 1}',
                      style: const TextStyle(
                        color: Colors.white,
                        fontWeight: FontWeight.bold,
                        fontSize: 12,
                      ),
                    ),
                  ),
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 12,
                      vertical: 6,
                    ),
                    decoration: BoxDecoration(
                      color: station.open == true
                          ? Colors.green[400]
                          : Colors.red[400],
                      borderRadius: BorderRadius.circular(20),
                    ),
                    child: Row(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Icon(
                          station.open == true
                              ? Icons.check_circle
                              : Icons.cancel,
                          color: Colors.white,
                          size: 16,
                        ),
                        const SizedBox(width: 4),
                        Text(
                          station.open == true ? 'Geöffnet' : 'Geschlossen',
                          style: const TextStyle(
                            color: Colors.white,
                            fontWeight: FontWeight.bold,
                            fontSize: 12,
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 12),

              // Station Name
              Text(
                station.name ?? 'Unbekannte Tankstelle',
                style: const TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.bold,
                  color: Colors.black87,
                ),
              ),
              const SizedBox(height: 8),

              // Address
              Row(
                children: [
                  Icon(
                    Icons.location_on,
                    size: 16,
                    color: Colors.blueGrey[600],
                  ),
                  const SizedBox(width: 4),
                  Expanded(
                    child: Text(
                      '${station.location?.address ?? ''}, '
                      '${station.location?.postalCode ?? ''} '
                      '${station.location?.city ?? ''}',
                      style: TextStyle(fontSize: 13, color: Colors.grey[700]),
                      maxLines: 2,
                      overflow: TextOverflow.ellipsis,
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 12),

              // Prices & Distance Row
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  // Diesel & Benzin Preise nebeneinander
                  Expanded(
                    child: Wrap(
                      spacing: 8,
                      runSpacing: 8,
                      children: [
                        if (dieselPrice?.amount != null)
                          _buildPriceBadge(dieselPrice),
                        if (supPrice?.amount != null)
                          _buildPriceBadge(supPrice),
                      ],
                    ),
                  ),

                  // Distance Badge
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 12,
                      vertical: 8,
                    ),
                    decoration: BoxDecoration(
                      color: Colors.blue[50],
                      borderRadius: BorderRadius.circular(12),
                    ),
                    child: Row(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Icon(
                          Icons.navigation,
                          color: Colors.blue[700],
                          size: 18,
                        ),
                        const SizedBox(width: 6),
                        Text(
                          _formatDistance(station.distance),
                          style: TextStyle(
                            fontSize: 14,
                            fontWeight: FontWeight.bold,
                            color: Colors.blue[700],
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}