import 'package:flutter/material.dart';

import '../../../../shared/models/membre_search_criteria.dart';

/// Formulaire de recherche de membres
/// Widget réutilisable pour la saisie des critères de recherche
class MembreSearchForm extends StatefulWidget {
  final MembreSearchCriteria initialCriteria;
  final Function(MembreSearchCriteria) onCriteriaChanged;
  final VoidCallback? onSearch;
  final VoidCallback? onClear;
  final bool isCompact;

  const MembreSearchForm({
    super.key,
    this.initialCriteria = MembreSearchCriteria.empty,
    required this.onCriteriaChanged,
    this.onSearch,
    this.onClear,
    this.isCompact = false,
  });

  @override
  State<MembreSearchForm> createState() => _MembreSearchFormState();
}

class _MembreSearchFormState extends State<MembreSearchForm> {
  late TextEditingController _queryController;
  late TextEditingController _nomController;
  late TextEditingController _prenomController;
  late TextEditingController _emailController;
  late TextEditingController _telephoneController;

  String? _selectedStatut;
  List<String> _selectedRoles = [];
  RangeValues _ageRange = const RangeValues(18, 65);
  bool _includeInactifs = false;
  bool _membreBureau = false;
  bool _responsable = false;

  @override
  void initState() {
    super.initState();
    _initializeControllers();
    _loadInitialCriteria();
  }

  @override
  void dispose() {
    _queryController.dispose();
    _nomController.dispose();
    _prenomController.dispose();
    _emailController.dispose();
    _telephoneController.dispose();
    super.dispose();
  }

  void _initializeControllers() {
    _queryController = TextEditingController();
    _nomController = TextEditingController();
    _prenomController = TextEditingController();
    _emailController = TextEditingController();
    _telephoneController = TextEditingController();

    // Écouter les changements pour mettre à jour les critères
    _queryController.addListener(_updateCriteria);
    _nomController.addListener(_updateCriteria);
    _prenomController.addListener(_updateCriteria);
    _emailController.addListener(_updateCriteria);
    _telephoneController.addListener(_updateCriteria);
  }

  void _loadInitialCriteria() {
    final criteria = widget.initialCriteria;
    _queryController.text = criteria.query ?? '';
    _nomController.text = criteria.nom ?? '';
    _prenomController.text = criteria.prenom ?? '';
    _emailController.text = criteria.email ?? '';
    _telephoneController.text = criteria.telephone ?? '';
    _selectedStatut = criteria.statut;
    _selectedRoles = criteria.roles ?? [];
    _ageRange = RangeValues(
      criteria.ageMin?.toDouble() ?? 18,
      criteria.ageMax?.toDouble() ?? 65,
    );
    _includeInactifs = criteria.includeInactifs;
    _membreBureau = criteria.membreBureau ?? false;
    _responsable = criteria.responsable ?? false;
  }

  @override
  Widget build(BuildContext context) {
    if (widget.isCompact) {
      return _buildCompactForm();
    }
    return _buildFullForm();
  }

  /// Formulaire compact pour recherche rapide
  Widget _buildCompactForm() {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          children: [
            TextField(
              controller: _queryController,
              decoration: InputDecoration(
                labelText: 'Rechercher un membre',
                hintText: 'Nom, prénom ou email...',
                prefixIcon: const Icon(Icons.search),
                suffixIcon: _queryController.text.isNotEmpty
                    ? IconButton(
                        icon: const Icon(Icons.clear),
                        onPressed: () {
                          _queryController.clear();
                          _updateCriteria();
                        },
                      )
                    : null,
                border: const OutlineInputBorder(),
              ),
              onSubmitted: (_) => widget.onSearch?.call(),
            ),
            const SizedBox(height: 12),
            Row(
              children: [
                Expanded(
                  child: DropdownButtonFormField<String>(
                    value: _selectedStatut,
                    decoration: const InputDecoration(
                      labelText: 'Statut',
                      border: OutlineInputBorder(),
                      isDense: true,
                    ),
                    items: const [
                      DropdownMenuItem(value: null, child: Text('Tous')),
                      DropdownMenuItem(value: 'ACTIF', child: Text('Actif')),
                      DropdownMenuItem(value: 'INACTIF', child: Text('Inactif')),
                    ],
                    onChanged: (value) {
                      setState(() => _selectedStatut = value);
                      _updateCriteria();
                    },
                  ),
                ),
                const SizedBox(width: 12),
                if (widget.onSearch != null)
                  ElevatedButton.icon(
                    onPressed: widget.onSearch,
                    icon: const Icon(Icons.search),
                    label: const Text('Rechercher'),
                  ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  /// Formulaire complet avec tous les critères
  Widget _buildFullForm() {
    return Column(
      children: [
        // Recherche générale
        _buildGeneralSearchSection(),
        const SizedBox(height: 16),

        // Critères détaillés
        _buildDetailedCriteriaSection(),
        const SizedBox(height: 16),

        // Filtres avancés
        _buildAdvancedFiltersSection(),
        const SizedBox(height: 16),

        // Boutons d'action
        _buildActionButtons(),
      ],
    );
  }

  /// Section de recherche générale
  Widget _buildGeneralSearchSection() {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              'Recherche Générale',
              style: Theme.of(context).textTheme.titleMedium?.copyWith(
                    fontWeight: FontWeight.bold,
                  ),
            ),
            const SizedBox(height: 16),
            TextField(
              controller: _queryController,
              decoration: const InputDecoration(
                labelText: 'Terme de recherche',
                hintText: 'Nom, prénom, email...',
                prefixIcon: Icon(Icons.search),
                border: OutlineInputBorder(),
              ),
            ),
          ],
        ),
      ),
    );
  }

  /// Section des critères détaillés
  Widget _buildDetailedCriteriaSection() {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              'Critères Détaillés',
              style: Theme.of(context).textTheme.titleMedium?.copyWith(
                    fontWeight: FontWeight.bold,
                  ),
            ),
            const SizedBox(height: 16),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _nomController,
                    decoration: const InputDecoration(
                      labelText: 'Nom',
                      border: OutlineInputBorder(),
                    ),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: TextField(
                    controller: _prenomController,
                    decoration: const InputDecoration(
                      labelText: 'Prénom',
                      border: OutlineInputBorder(),
                    ),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 16),
            TextField(
              controller: _emailController,
              decoration: const InputDecoration(
                labelText: 'Email',
                border: OutlineInputBorder(),
              ),
            ),
            const SizedBox(height: 16),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _telephoneController,
                    decoration: const InputDecoration(
                      labelText: 'Téléphone',
                      border: OutlineInputBorder(),
                    ),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: DropdownButtonFormField<String>(
                    value: _selectedStatut,
                    decoration: const InputDecoration(
                      labelText: 'Statut',
                      border: OutlineInputBorder(),
                    ),
                    items: const [
                      DropdownMenuItem(value: null, child: Text('Tous')),
                      DropdownMenuItem(value: 'ACTIF', child: Text('Actif')),
                      DropdownMenuItem(value: 'INACTIF', child: Text('Inactif')),
                      DropdownMenuItem(value: 'SUSPENDU', child: Text('Suspendu')),
                      DropdownMenuItem(value: 'RADIE', child: Text('Radié')),
                    ],
                    onChanged: (value) {
                      setState(() => _selectedStatut = value);
                      _updateCriteria();
                    },
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  /// Section des filtres avancés
  Widget _buildAdvancedFiltersSection() {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              'Filtres Avancés',
              style: Theme.of(context).textTheme.titleMedium?.copyWith(
                    fontWeight: FontWeight.bold,
                  ),
            ),
            const SizedBox(height: 16),

            // Tranche d'âge
            Text('Tranche d\'âge: ${_ageRange.start.round()}-${_ageRange.end.round()} ans'),
            RangeSlider(
              values: _ageRange,
              min: 18,
              max: 80,
              divisions: 62,
              labels: RangeLabels(
                '${_ageRange.start.round()}',
                '${_ageRange.end.round()}',
              ),
              onChanged: (values) {
                setState(() => _ageRange = values);
                _updateCriteria();
              },
            ),
            const SizedBox(height: 16),

            // Options booléennes
            CheckboxListTile(
              title: const Text('Inclure les membres inactifs'),
              value: _includeInactifs,
              onChanged: (value) {
                setState(() => _includeInactifs = value ?? false);
                _updateCriteria();
              },
            ),
            CheckboxListTile(
              title: const Text('Membres du bureau uniquement'),
              value: _membreBureau,
              onChanged: (value) {
                setState(() => _membreBureau = value ?? false);
                _updateCriteria();
              },
            ),
            CheckboxListTile(
              title: const Text('Responsables uniquement'),
              value: _responsable,
              onChanged: (value) {
                setState(() => _responsable = value ?? false);
                _updateCriteria();
              },
            ),
          ],
        ),
      ),
    );
  }

  /// Boutons d'action
  Widget _buildActionButtons() {
    return Row(
      children: [
        if (widget.onClear != null)
          Expanded(
            child: OutlinedButton.icon(
              onPressed: () {
                _clearForm();
                widget.onClear?.call();
              },
              icon: const Icon(Icons.clear),
              label: const Text('Effacer'),
            ),
          ),
        if (widget.onClear != null && widget.onSearch != null)
          const SizedBox(width: 16),
        if (widget.onSearch != null)
          Expanded(
            flex: widget.onClear != null ? 2 : 1,
            child: ElevatedButton.icon(
              onPressed: widget.onSearch,
              icon: const Icon(Icons.search),
              label: const Text('Rechercher'),
            ),
          ),
      ],
    );
  }

  /// Met à jour les critères de recherche
  void _updateCriteria() {
    final criteria = MembreSearchCriteria(
      query: _queryController.text.trim().isEmpty ? null : _queryController.text.trim(),
      nom: _nomController.text.trim().isEmpty ? null : _nomController.text.trim(),
      prenom: _prenomController.text.trim().isEmpty ? null : _prenomController.text.trim(),
      email: _emailController.text.trim().isEmpty ? null : _emailController.text.trim(),
      telephone: _telephoneController.text.trim().isEmpty ? null : _telephoneController.text.trim(),
      statut: _selectedStatut,
      roles: _selectedRoles.isEmpty ? null : _selectedRoles,
      ageMin: _ageRange.start.round(),
      ageMax: _ageRange.end.round(),
      membreBureau: _membreBureau ? true : null,
      responsable: _responsable ? true : null,
      includeInactifs: _includeInactifs,
    );

    widget.onCriteriaChanged(criteria);
  }

  /// Efface le formulaire
  void _clearForm() {
    setState(() {
      _queryController.clear();
      _nomController.clear();
      _prenomController.clear();
      _emailController.clear();
      _telephoneController.clear();
      _selectedStatut = null;
      _selectedRoles.clear();
      _ageRange = const RangeValues(18, 65);
      _includeInactifs = false;
      _membreBureau = false;
      _responsable = false;
    });
    _updateCriteria();
  }
}