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';
    }
  }

  @override
  Widget build(BuildContext context) {
    final price = station.prices?.isNotEmpty == true
        ? station.prices!.first.amount
        : null;
    final priceLabel = station.prices?.isNotEmpty == true
        ? station.prices!.first.label
        : '';

    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 with Position and Status
              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: 20,
                  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: 14, color: Colors.grey[700]),
                      maxLines: 2,
                      overflow: TextOverflow.ellipsis,
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 12),

              // Price and Distance Row
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  // Price
                  if (price != null)
                    Container(
                      padding: const EdgeInsets.symmetric(
                        horizontal: 16,
                        vertical: 10,
                      ),
                      decoration: BoxDecoration(
                        color: _getPriceColor(price).withAlpha(50),
                        borderRadius: BorderRadius.circular(12),
                        border: Border.all(
                          color: _getPriceColor(price),
                          width: 2,
                        ),
                      ),
                      child: Row(
                        children: [
                          Icon(
                            Icons.local_gas_station,
                            color: _getPriceColor(price),
                            size: 24,
                          ),
                          const SizedBox(width: 8),
                          Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text(
                                '€ ${price.toStringAsFixed(3)}',
                                style: TextStyle(
                                  fontSize: 22,
                                  fontWeight: FontWeight.bold,
                                  color: _getPriceColor(price),
                                ),
                              ),
                              if (priceLabel?.isNotEmpty == true)
                                Text(
                                  priceLabel!,
                                  style: TextStyle(
                                    fontSize: 10,
                                    color: Colors.grey[600],
                                  ),
                                ),
                            ],
                          ),
                        ],
                      ),
                    ),

                  // Distance
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 16,
                      vertical: 10,
                    ),
                    decoration: BoxDecoration(
                      color: Colors.blue[50],
                      borderRadius: BorderRadius.circular(12),
                    ),
                    child: Row(
                      children: [
                        Icon(
                          Icons.navigation,
                          color: Colors.blue[700],
                          size: 20,
                        ),
                        const SizedBox(width: 8),
                        Text(
                          _formatDistance(station.distance),
                          style: TextStyle(
                            fontSize: 16,
                            fontWeight: FontWeight.bold,
                            color: Colors.blue[700],
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}