import 'package:flutter/material.dart';
import 'package:p_tits_pas/models/assistante_maternelle_model.dart';
import 'package:p_tits_pas/services/user_service.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_list_header.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_list_state.dart';
import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';

class AssistanteMaternelleManagementWidget extends StatefulWidget {
  const AssistanteMaternelleManagementWidget({super.key});

  @override
  State<AssistanteMaternelleManagementWidget> createState() =>
      _AssistanteMaternelleManagementWidgetState();
}

class _AssistanteMaternelleManagementWidgetState
    extends State<AssistanteMaternelleManagementWidget> {
  bool _isLoading = false;
  String? _error;
  List<AssistanteMaternelleModel> _assistantes = [];
  List<AssistanteMaternelleModel> _filteredAssistantes = [];

  final TextEditingController _zoneController = TextEditingController();
  final TextEditingController _capacityController = TextEditingController();

  @override
  void initState() {
    super.initState();
    _loadAssistantes();
    _zoneController.addListener(_filter);
    _capacityController.addListener(_filter);
  }

  @override
  void dispose() {
    _zoneController.dispose();
    _capacityController.dispose();
    super.dispose();
  }

  Future<void> _loadAssistantes() async {
    setState(() {
      _isLoading = true;
      _error = null;
    });
    try {
      final list = await UserService.getAssistantesMaternelles();
      if (!mounted) return;
      setState(() {
        _assistantes = list;
        _filter();
        _isLoading = false;
      });
    } catch (e) {
      if (!mounted) return;
      setState(() {
        _error = e.toString();
        _isLoading = false;
      });
    }
  }

  void _filter() {
    final zoneQuery = _zoneController.text.toLowerCase();
    final capacityQuery = int.tryParse(_capacityController.text);

    setState(() {
      _filteredAssistantes = _assistantes.where((am) {
        final matchesZone = zoneQuery.isEmpty ||
            (am.residenceCity?.toLowerCase().contains(zoneQuery) ?? false);
        final matchesCapacity = capacityQuery == null ||
            (am.maxChildren != null && am.maxChildren! >= capacityQuery);
        return matchesZone && matchesCapacity;
      }).toList();
    });
  }

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(16),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          AdminListHeader(
            searchController: _zoneController,
            searchHint: 'Rechercher une zone géographique...',
            filters: _buildFilters(),
          ),
          const SizedBox(height: 16),
          AdminListState(
            isLoading: _isLoading,
            error: _error,
            isEmpty: _filteredAssistantes.isEmpty,
            emptyMessage: 'Aucune assistante maternelle trouvée.',
            list: ListView.builder(
              itemCount: _filteredAssistantes.length,
              itemBuilder: (context, index) {
                final assistante = _filteredAssistantes[index];
                return AdminUserCard(
                  title: assistante.user.fullName,
                  avatarUrl: assistante.user.photoUrl,
                  fallbackIcon: Icons.face,
                  subtitleLines: [
                    assistante.user.email,
                    'N° Agrément : ${assistante.approvalNumber ?? 'N/A'}',
                    'Zone : ${assistante.residenceCity ?? 'N/A'} | Capacité : ${assistante.maxChildren ?? 0}',
                  ],
                  actions: [
                    IconButton(
                      icon: const Icon(Icons.edit),
                      tooltip: 'Modifier',
                      onPressed: () {
                        // TODO: Ajouter modification
                      },
                    ),
                    IconButton(
                      icon: const Icon(Icons.delete),
                      tooltip: 'Supprimer',
                      onPressed: () {
                        // TODO: Ajouter suppression
                      },
                    ),
                  ],
                );
              },
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildFilters() {
    return Wrap(
      spacing: 16,
      runSpacing: 8,
      children: [
        SizedBox(
          width: 240,
          child: TextField(
            controller: _capacityController,
            decoration: const InputDecoration(
              labelText: 'Capacité minimum',
              border: OutlineInputBorder(),
              isDense: true,
            ),
            keyboardType: TextInputType.number,
          ),
        ),
      ],
    );
  }
}