import 'package:flutter/material.dart';
import 'package:p_tits_pas/services/user_service.dart';
import 'package:p_tits_pas/widgets/admin/base_user_management.dart';

class ParentManagementWidget extends StatelessWidget {
  const ParentManagementWidget({super.key});

  @override
  Widget build(BuildContext context) {
    return BaseUserManagementWidget(
      config: UserDisplayConfig(
        title: 'Gestion des Parents',
        role: 'parent',
        defaultIcon: Icons.person_outline,
        filterFields: [
          FilterField(
            label: 'Rechercher',
            hint: 'Nom ou email',
            type: FilterType.text,
            filter: (user, query) {
              final fullName = '${user['prenom'] ?? ''} ${user['nom'] ?? ''}'.toLowerCase();
              final email = (user['email'] ?? '').toLowerCase();
              return fullName.contains(query.toLowerCase()) ||
                     email.contains(query.toLowerCase());
            },
          ),
          FilterField(
            label: 'Statut',
            hint: 'Tous',
            type: FilterType.dropdown,
            options: ['actif', 'en_attente', 'inactif', 'supprimé'],
            filter: (user, status) {
              if (status.isEmpty) return true;
              return user['statut']?.toString().toLowerCase() == status.toLowerCase();
            },
          ),
          FilterField(
            label: 'Nombre d\'enfants',
            hint: 'Minimum',
            type: FilterType.number,
            filter: (user, query) {
              final nombreEnfants = int.tryParse(user['nombreEnfants']?.toString() ?? '0') ?? 0;
              final minEnfants = int.tryParse(query) ?? 0;
              return nombreEnfants >= minEnfants;
            },
          ),
        ],
        actions: [
          const UserAction(
            icon: Icons.edit,
            color: Colors.orange,
            tooltip: 'Modifier',
            onPressed: _editParent,
          ),
          const UserAction(
            icon: Icons.delete,
            color: Colors.red,
            tooltip: 'Supprimer',
            onPressed: _deleteParent,
          ),
          const UserAction(
            icon: Icons.child_care,
            color: Colors.purple,
            tooltip: 'Voir enfants',
            onPressed: _showChildren,
          ),
        ],
        getDisplayName: (user) => '${user['prenom'] ?? ''} ${user['nom'] ?? ''}',
        getSubtitle: (user) {
          final email = user['email'] ?? '';
          final nombreEnfants = user['nombreEnfants'] ?? user['children']?.length ?? 0;
          return '$email\nNombre d\'enfants: $nombreEnfants';
        },
      ),
    );
  }

  static Future<void> _editParent(BuildContext context, Map<String, dynamic> parent) async {
    // TODO: Implémenter l'édition
    ScaffoldMessenger.of(context).showSnackBar(
      const SnackBar(
        content: Text('Fonctionnalité de modification à implémenter'),
        backgroundColor: Colors.orange,
      ),
    );
  }

  static Future<void> _deleteParent(BuildContext context, Map<String, dynamic> parent) async {
    final confirmed = await showDialog<bool>(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Confirmer la suppression'),
        content: Text(
          'Êtes-vous sûr de vouloir supprimer le compte de ${parent['prenom']} ${parent['nom']} ?\n\n'
          'Cette action supprimera également tous les contrats et données associés.'
        ),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(false),
            child: const Text('Annuler'),
          ),
          TextButton(
            onPressed: () => Navigator.of(context).pop(true),
            style: TextButton.styleFrom(foregroundColor: Colors.red),
            child: const Text('Supprimer'),
          ),
        ],
      ),
    );

    if (confirmed == true) {
      try {
        final userService = UserService();
        final success = await userService.deleteUser(parent['id']);
        
        if (success && context.mounted) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text('${parent['prenom']} ${parent['nom']} supprimé avec succès'),
              backgroundColor: Colors.green,
            ),
          );
        } else {
          throw Exception('Erreur lors de la suppression');
        }
      } catch (e) {
        if (context.mounted) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text('Erreur: ${e.toString()}'),
              backgroundColor: Colors.red,
            ),
          );
        }
      }
    }
  }

  static Future<void> _showChildren(BuildContext context, Map<String, dynamic> parent) async {
    final children = parent['children'] as List<dynamic>? ?? [];
    
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: Text('Enfants de ${parent['prenom']} ${parent['nom']}'),
        content: Container(
          width: double.maxFinite,
          constraints: const BoxConstraints(maxHeight: 400),
          child: children.isEmpty
              ? const Text('Aucun enfant enregistré')
              : SingleChildScrollView(
                  child: Column(
                    mainAxisSize: MainAxisSize.min,
                    children: children.map((child) => Card(
                      child: ListTile(
                        leading: const Icon(Icons.child_care),
                        title: Text(child['prenom'] ?? child['firstName'] ?? 'Nom non défini'),
                        subtitle: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            if (child['dateNaissance'] != null || child['birthDate'] != null)
                              Text('Né(e) le: ${child['dateNaissance'] ?? child['birthDate']}'),
                            if (child['age'] != null)
                              Text('Âge: ${child['age']} ans'),
                          ],
                        ),
                        isThreeLine: true,
                      ),
                    )).toList(),
                  ),
                ),
        ),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(),
            child: const Text('Fermer'),
          ),
          if (children.isNotEmpty)
            TextButton(
              onPressed: () {
                Navigator.of(context).pop();
                // TODO: Naviguer vers la gestion des enfants
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(
                    content: Text('Navigation vers la gestion des enfants à implémenter'),
                  ),
                );
              },
              child: const Text('Gérer les enfants'),
            ),
        ],
      ),
    );
  }
}