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import 'package:flutter/material.dart';
import 'package:youmazgestion/Components/app_bar.dart';
import 'package:youmazgestion/Models/Permission.dart';
//import 'package:youmazgestion/Services/app_database.dart';
import 'package:youmazgestion/Models/role.dart';
import 'package:youmazgestion/Services/stock_managementDatabase.dart';
class HandleUserRole extends StatefulWidget {
const HandleUserRole({super.key});
@override
State<HandleUserRole> createState() => _HandleUserRoleState();
}
class _HandleUserRoleState extends State<HandleUserRole> {
final db = AppDatabase.instance;
List<Role> roles = [];
List<Permission> permissions = [];
List<Map<String, dynamic>> menus = [];
Map<int, Map<int, Map<String, bool>>> roleMenuPermissionsMap = {};
final TextEditingController _roleController = TextEditingController();
@override
void initState() {
super.initState();
_initData();
}
Future<void> _initData() async {
try {
final roleList = await db.getRoles();
final perms = await db.getAllPermissions();
// Récupération mise à jour des menus avec gestion d'erreur
final menuList = await db.getAllMenus();
Map<int, Map<int, Map<String, bool>>> tempRoleMenuPermissionsMap = {};
for (var role in roleList) {
final roleId = role.id!;
tempRoleMenuPermissionsMap[roleId] = {};
for (var menu in menuList) {
final menuId = menu['id'] as int;
final menuPerms = await db.getPermissionsForRoleAndMenu(roleId, menuId);
tempRoleMenuPermissionsMap[roleId]![menuId] = {
for (var perm in perms)
perm.name: menuPerms.any((mp) => mp.name == perm.name)
};
}
}
setState(() {
roles = roleList;
permissions = perms;
menus = menuList;
roleMenuPermissionsMap = tempRoleMenuPermissionsMap;
});
} catch (e) {
print("Erreur lors de l'initialisation des données: $e");
// Afficher un message d'erreur à l'utilisateur
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur lors du chargement des données: $e'),
backgroundColor: Colors.red,
),
);
}
}
Future<void> _addRole() async {
String designation = _roleController.text.trim();
if (designation.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Veuillez saisir une désignation pour le rôle'),
backgroundColor: Colors.orange,
),
);
return;
}
try {
// Vérifier si le rôle existe déjà
final existingRoles = roles.where((r) => r.designation.toLowerCase() == designation.toLowerCase());
if (existingRoles.isNotEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Ce rôle existe déjà'),
backgroundColor: Colors.orange,
),
);
return;
}
await db.createRole(Role(designation: designation));
_roleController.clear();
await _initData();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Rôle "$designation" créé avec succès'),
backgroundColor: Colors.green,
),
);
} catch (e) {
print("Erreur lors de la création du rôle: $e");
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur lors de la création du rôle: $e'),
backgroundColor: Colors.red,
),
);
}
}
Future<void> _onPermissionToggle(int roleId, int menuId, String permission, bool enabled) async {
try {
final perm = permissions.firstWhere((p) => p.name == permission);
if (enabled) {
await db.assignRoleMenuPermission(roleId, menuId, perm.id!);
} else {
await db.removeRoleMenuPermission(roleId, menuId, perm.id!);
}
setState(() {
roleMenuPermissionsMap[roleId]![menuId]![permission] = enabled;
});
} catch (e) {
print("Erreur lors de la modification de la permission: $e");
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur lors de la modification de la permission: $e'),
backgroundColor: Colors.red,
),
);
}
}
Future<void> _deleteRole(Role role) async {
// Empêcher la suppression du Super Admin
if (role.designation == 'Super Admin') {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Impossible de supprimer le rôle Super Admin'),
backgroundColor: Colors.red,
),
);
return;
}
// Demander confirmation
final confirm = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Confirmer la suppression'),
content: Text('Êtes-vous sûr de vouloir supprimer le rôle "${role.designation}" ?'),
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 (confirm == true) {
try {
await db.deleteRole(role.id);
await _initData();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Rôle "${role.designation}" supprimé avec succès'),
backgroundColor: Colors.green,
),
);
} catch (e) {
print("Erreur lors de la suppression du rôle: $e");
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur lors de la suppression du rôle: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: CustomAppBar(title: "Gestion des rôles"),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
// Ajout de rôle
Card(
elevation: 6,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Row(
children: [
Expanded(
child: TextField(
controller: _roleController,
decoration: InputDecoration(
labelText: 'Nouveau rôle',
hintText: 'Ex: Manager, Vendeur...',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
),
),
onSubmitted: (_) => _addRole(),
),
),
const SizedBox(width: 10),
ElevatedButton.icon(
onPressed: _addRole,
icon: const Icon(Icons.add),
label: const Text('Ajouter'),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
),
],
),
),
),
const SizedBox(height: 20),
// Affichage des statistiques
if (roles.isNotEmpty)
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
_buildStatItem('Rôles', roles.length.toString(), Icons.people),
_buildStatItem('Permissions', permissions.length.toString(), Icons.security),
_buildStatItem('Menus', menus.length.toString(), Icons.menu),
],
),
),
),
const SizedBox(height: 20),
// Tableau des rôles et permissions
if (roles.isNotEmpty && permissions.isNotEmpty && menus.isNotEmpty)
Expanded(
child: Card(
elevation: 6,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
child: Padding(
padding: const EdgeInsets.all(16.0),
child: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: menus.map((menu) {
final menuId = menu['id'] as int;
final menuName = menu['name'] as String;
final menuRoute = menu['route'] as String;
return Card(
margin: const EdgeInsets.only(bottom: 16.0),
elevation: 2,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: Colors.blue.shade50,
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
Icon(Icons.menu, color: Colors.blue.shade700),
const SizedBox(width: 8),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
menuName,
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 16,
color: Colors.blue.shade700,
),
),
Text(
menuRoute,
style: TextStyle(
fontSize: 12,
color: Colors.grey.shade600,
),
),
],
),
),
],
),
),
const SizedBox(height: 12),
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: DataTable(
columnSpacing: 20,
headingRowHeight: 50,
dataRowHeight: 60,
columns: [
const DataColumn(
label: Text(
'Rôles',
style: TextStyle(fontWeight: FontWeight.bold),
),
),
...permissions.map((perm) => DataColumn(
label: Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.grey.shade100,
borderRadius: BorderRadius.circular(4),
),
child: Text(
perm.name,
style: const TextStyle(fontWeight: FontWeight.bold),
),
),
)).toList(),
const DataColumn(
label: Text(
'Actions',
style: TextStyle(fontWeight: FontWeight.bold),
),
),
],
rows: roles.map((role) {
final roleId = role.id!;
return DataRow(
cells: [
DataCell(
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: role.designation == 'Super Admin'
? Colors.red.shade50
: Colors.blue.shade50,
borderRadius: BorderRadius.circular(4),
),
child: Text(
role.designation,
style: TextStyle(
fontWeight: FontWeight.w500,
color: role.designation == 'Super Admin'
? Colors.red.shade700
: Colors.blue.shade700,
),
),
),
),
...permissions.map((perm) {
final isChecked = roleMenuPermissionsMap[roleId]?[menuId]?[perm.name] ?? false;
return DataCell(
Checkbox(
value: isChecked,
onChanged: (bool? value) {
_onPermissionToggle(roleId, menuId, perm.name, value ?? false);
},
activeColor: Colors.green,
),
);
}).toList(),
DataCell(
role.designation != 'Super Admin'
? IconButton(
icon: Icon(Icons.delete, color: Colors.red.shade600),
tooltip: 'Supprimer le rôle',
onPressed: () => _deleteRole(role),
)
: Icon(Icons.lock, color: Colors.grey.shade400),
),
],
);
}).toList(),
),
),
],
),
),
);
}).toList(),
),
),
),
),
)
else
Expanded(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.inbox, size: 64, color: Colors.grey.shade400),
const SizedBox(height: 16),
Text(
'Aucune donnée disponible',
style: TextStyle(
fontSize: 18,
color: Colors.grey.shade600,
fontWeight: FontWeight.w500,
),
),
const SizedBox(height: 8),
Text(
'Rôles: ${roles.length} | Permissions: ${permissions.length} | Menus: ${menus.length}',
style: TextStyle(
fontSize: 14,
color: Colors.grey.shade500,
),
),
const SizedBox(height: 16),
ElevatedButton.icon(
onPressed: _initData,
icon: const Icon(Icons.refresh),
label: const Text('Actualiser'),
),
],
),
),
),
],
),
),
);
}
Widget _buildStatItem(String label, String value, IconData icon) {
return Column(
children: [
Icon(icon, size: 32, color: Colors.blue.shade600),
const SizedBox(height: 8),
Text(
value,
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: Colors.black87,
),
),
Text(
label,
style: TextStyle(
fontSize: 14,
color: Colors.grey.shade600,
),
),
],
);
}
@override
void dispose() {
_roleController.dispose();
super.dispose();
}
}