import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

import '../models/kauf_filament_model.dart';
import '../theme/app_theme.dart';
import '../helper/display_formats.dart';

class FilamentCard extends StatelessWidget {
  const FilamentCard({
    super.key,
    required this.filament,
    required this.onTap,
    required this.onAction,
    this.verbrauchGramm = 0,
  });

  final KaufFilamentModel filament;
  final VoidCallback onTap;
  final ValueChanged<String> onAction;
  final double verbrauchGramm;

  @override
  Widget build(BuildContext context) {
    final price = NumberFormat.currency(
      locale: 'de_AT',
      symbol: '€',
    ).format(filament.preis);
    final weight = filament.gewichtGramm != null
        ? '${DisplayFormats.number(filament.gewichtGramm!)} g'
        : RegExp(r'[a-zA-Z]').hasMatch(filament.gewicht)
        ? filament.gewicht
        : '${filament.gewicht} g';
    final start = filament.gewichtGramm;
    final rest = start == null ? null : start - verbrauchGramm;
    return Card(
      margin: EdgeInsets.zero,
      color: Colors.white,
      surfaceTintColor: Colors.transparent,
      elevation: 0,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(18)),
      clipBehavior: Clip.antiAlias,
      child: InkWell(
        onTap: onTap,
        child: Padding(
          padding: const EdgeInsets.all(20),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Container(
                    padding: const EdgeInsets.all(12),
                    decoration: BoxDecoration(
                      color: AppTheme.inputSurface,
                      borderRadius: BorderRadius.circular(14),
                    ),
                    child: const Icon(
                      Icons.inventory_2_outlined,
                      color: AppTheme.teal,
                      size: 26,
                    ),
                  ),
                  const SizedBox(width: 14),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          filament.marke.isEmpty
                              ? filament.material
                              : filament.marke,
                          style: const TextStyle(
                            fontSize: 18,
                            fontWeight: FontWeight.w700,
                          ),
                        ),
                        const SizedBox(height: 4),
                        Text(
                          filament.farbe,
                          style: const TextStyle(
                            color: AppTheme.muted,
                            fontSize: 14,
                          ),
                        ),
                      ],
                    ),
                  ),
                  PopupMenuButton<String>(
                    tooltip: 'Filament verwalten',
                    onSelected: onAction,
                    itemBuilder: (context) => const [
                      PopupMenuItem(
                        value: 'edit',
                        child: ListTile(
                          leading: Icon(Icons.edit_outlined),
                          title: Text('Bearbeiten'),
                          contentPadding: EdgeInsets.zero,
                        ),
                      ),
                      PopupMenuItem(
                        value: 'duplicate',
                        child: ListTile(
                          leading: Icon(Icons.copy_outlined),
                          title: Text('Duplizieren'),
                          contentPadding: EdgeInsets.zero,
                        ),
                      ),
                      PopupMenuItem(
                        value: 'delete',
                        child: ListTile(
                          leading: Icon(Icons.delete_outline),
                          title: Text('Löschen'),
                          contentPadding: EdgeInsets.zero,
                        ),
                      ),
                    ],
                  ),
                ],
              ),
              const SizedBox(height: 16),
              Text(
                rest == null
                    ? 'Restgewicht unbekannt'
                    : '${DisplayFormats.number(rest)} g verbleibend',
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.w700,
                  color: rest != null && rest < 0
                      ? Theme.of(context).colorScheme.error
                      : AppTheme.teal,
                ),
              ),
              if (start != null && start > 0) ...[
                const SizedBox(height: 8),
                LinearProgressIndicator(
                  value: (rest! / start).clamp(0.0, 1.0),
                  minHeight: 6,
                  borderRadius: BorderRadius.circular(8),
                  backgroundColor: AppTheme.inputSurface,
                ),
              ],
              const SizedBox(height: 8),
              Text(
                '${DisplayFormats.number(verbrauchGramm)} g verbraucht',
                style: const TextStyle(color: AppTheme.muted, fontSize: 12),
              ),
              const SizedBox(height: 16),
              Wrap(
                spacing: 8,
                runSpacing: 8,
                children: [
                  _DetailPill(
                    label: filament.material,
                    icon: Icons.layers_outlined,
                  ),
                  _DetailPill(label: weight, icon: Icons.scale_outlined),
                ],
              ),
              const Padding(
                padding: EdgeInsets.symmetric(vertical: 14),
                child: Divider(height: 1, color: Color(0xFFE7EDF0)),
              ),
              Wrap(
                alignment: WrapAlignment.spaceBetween,
                crossAxisAlignment: WrapCrossAlignment.center,
                spacing: 16,
                runSpacing: 12,
                children: [
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        filament.haendler,
                        style: const TextStyle(color: AppTheme.muted),
                      ),
                      const SizedBox(height: 4),
                      Text(
                        DateFormat('dd.MM.yyyy').format(filament.kaufdatum),
                        style: const TextStyle(
                          color: AppTheme.muted,
                          fontSize: 12,
                        ),
                      ),
                    ],
                  ),
                  Text(
                    price,
                    style: const TextStyle(
                      color: AppTheme.teal,
                      fontSize: 21,
                      fontWeight: FontWeight.w700,
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}

class _DetailPill extends StatelessWidget {
  const _DetailPill({required this.label, required this.icon});

  final String label;
  final IconData icon;

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
      decoration: BoxDecoration(
        color: const Color(0xFFF0F5F7),
        borderRadius: BorderRadius.circular(8),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(icon, size: 14, color: AppTheme.muted),
          const SizedBox(width: 6),
          Flexible(
            child: Text(
              label,
              style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w600),
            ),
          ),
        ],
      ),
    );
  }
}