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

class FilamentItemWidget extends StatelessWidget {
  final FilamentModel filament;
  final VoidCallback? onTap;

  const FilamentItemWidget({
    super.key,
    required this.filament,
    this.onTap,
  });

  // Hilfsmethode zur Bestimmung der Farbe basierend auf dem String "Color"
  Color _parseColor(String colorName) {
    switch (colorName.toLowerCase().trim()) {
      case 'weiß':
        return Colors.white;
      case 'schwarz':
        return Colors.black;
      case 'hell braun':
      case 'braun':
        return Colors.brown.shade400;
      case 'knochenfarbe':
        return const Color(0xFFE3DAC9); // Bone / Beige
      default:
        return Colors.grey;
    }
  }

  // Hilfsmethode zur Umwandlung von "1kg", "7kg" etc. in Gramm
  double _parseTotalWeightInGramm(String mengeStr) {
    final cleaned = mengeStr.toLowerCase().replaceAll('kg', '').trim();
    final kg = double.tryParse(cleaned) ?? 1.0;
    return kg * 1000.0;
  }

  @override
  Widget build(BuildContext context) {
    final parsedColor = _parseColor(filament.color!);
    final restGramm = double.tryParse(filament.restMengeAktuelleRolleGramm!) ?? 0.0;
    final totalGramm = _parseTotalWeightInGramm(filament.menge!);
    final progress = (restGramm / totalGramm).clamp(0.0, 1.0);

    return Card(
      elevation: 0,
      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(16),
        side: BorderSide(color: Colors.grey.shade200),
      ),
      child: InkWell(
        borderRadius: BorderRadius.circular(16),
        onTap: onTap,
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // Header: Typ, Farbindikator, Spule/Menge
              Row(
                children: [
                  // Farbpunkte mit Schatten für weiße/helle Farben
                  Container(
                    width: 24,
                    height: 24,
                    decoration: BoxDecoration(
                      color: parsedColor,
                      shape: BoxShape.circle,
                      border: Border.all(color: Colors.grey.shade300, width: 1),
                      boxShadow: [
                        BoxShadow(
                          color: parsedColor.withValues(alpha: 0.4),
                          blurRadius: 6,
                          spreadRadius: 1,
                        )
                      ],
                    ),
                  ),
                  const SizedBox(width: 12),
                  // Material & Farbe
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          filament.art!,
                          style: const TextStyle(
                            fontSize: 18,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                        Text(
                          filament.color!,
                          style: TextStyle(
                            fontSize: 14,
                            color: Colors.grey.shade600,
                          ),
                        ),
                      ],
                    ),
                  ),
                  // Spulengröße Badge
                  Chip(
                    padding: EdgeInsets.zero,
                    labelStyle: const TextStyle(fontSize: 12),
                    label: Text(filament.menge!),
                    backgroundColor: Colors.teal.shade50,
                    side: BorderSide.none,
                  ),
                ],
              ),
              const SizedBox(height: 16),

              // Temperaturen (Nozzle & Bed)
              Row(
                children: [
                  _buildIconText(
                    icon: Icons.thermostat,
                    label: 'Nozzle',
                    value: filament.nozzelTemperatur!,
                    color: Colors.orange.shade700,
                  ),
                  const SizedBox(width: 24),
                  _buildIconText(
                    icon: Icons.hot_tub,
                    label: 'Bett',
                    value: filament.bettTemperatur!,
                    color: Colors.blue.shade700,
                  ),
                ],
              ),
              const SizedBox(height: 16),

              // Restmengen Progress Indicator
              Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Text(
                        'Restmenge',
                        style: TextStyle(
                          fontSize: 12,
                          color: Colors.grey.shade600,
                        ),
                      ),
                      Text(
                        '${restGramm.toInt()}g / ${totalGramm.toInt()}g',
                        style: const TextStyle(
                          fontSize: 12,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(height: 6),
                  ClipRRect(
                    borderRadius: BorderRadius.circular(4),
                    child: LinearProgressIndicator(
                      value: progress,
                      minHeight: 6,
                      backgroundColor: Colors.grey.shade200,
                      color: progress < 0.2 ? Colors.red : Colors.teal.shade400,
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildIconText({
    required IconData icon,
    required String label,
    required String value,
    required Color color,
  }) {
    return Row(
      children: [
        Icon(icon, size: 18, color: color),
        const SizedBox(width: 4),
        Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              label,
              style: TextStyle(fontSize: 10, color: Colors.grey.shade600),
            ),
            Text(
              value,
              style: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600),
            ),
          ],
        ),
      ],
    );
  }
}