update

nexuschat/lib/chat.dart

@@ -1,10 +1,16 @@
 import 'dart:async';
+import 'dart:io' as io;
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_giphy_picker/giphy_ui.dart';
 import 'package:flutter/services.dart';
 import 'package:http/http.dart' as http;
 import 'dart:convert';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:file_picker/file_picker.dart';
+import 'dart:io';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:intl/intl.dart';
 
 class ChatScreen extends StatefulWidget {
   final String usernameExpediteur;
@@ -27,6 +33,7 @@ class _ChatScreenState extends State<ChatScreen> {
   bool _isButtonEnabled = false;
   late Timer _pollingTimer;
   bool _isInitialLoading = true;
+  bool _showScrollToBottom = false;
 
   @override
   void initState() {
@@ -35,6 +42,19 @@ class _ChatScreenState extends State<ChatScreen> {
     _loadExpediteur();
     _controller.addListener(_updateButtonState);
     _startPolling();
+    _scrollController.addListener(() {
+      final maxScroll = _scrollController.position.maxScrollExtent;
+      final currentScroll = _scrollController.offset;
+      final threshold = 100.0;
+
+      final shouldShow = (maxScroll - currentScroll) > threshold;
+
+      if (shouldShow != _showScrollToBottom) {
+        setState(() {
+          _showScrollToBottom = shouldShow;
+        });
+      }
+    });
   }
 
   void _startPolling() {
@@ -155,18 +175,26 @@ class _ChatScreenState extends State<ChatScreen> {
 
   Future<String> _dechiffrerMessage(String encryptedMessage, String key) async {
     final uri =
-        Uri.parse('https://nexuschat.derickexm.be/messages/uncrypt_message/');
+        Uri.parse('https://nexuschat.derickexm.be/messages/uncrypt_messages/');
     final response = await http.post(
       uri,
       headers: {'Content-Type': 'application/json'},
       body: jsonEncode({
-        'encrypted_message': encryptedMessage,
+        "messages": [
-        'key': key,
+          {"encrypted_message": encryptedMessage, "key": key}
+        ]
       }),
     );
     if (response.statusCode == 200) {
       final data = jsonDecode(response.body);
-      return data['decrypted_message'] ?? encryptedMessage;
+      if (data['results'] != null &&
+          data['results'] is List &&
+          data['results'].isNotEmpty) {
+        final first = data['results'][0];
+        return first['decrypted_message'] ?? encryptedMessage;
+      } else {
+        return encryptedMessage;
+      }
     } else {
       print("Erreur déchiffrement: ${response.body}");
       return encryptedMessage;
@@ -184,24 +212,51 @@ class _ChatScreenState extends State<ChatScreen> {
         final jsonResponse = jsonDecode(response.body);
         if (jsonResponse.containsKey('messages')) {
           final List<dynamic> messagesList = jsonResponse['messages'];
-          final decryptedMessages =
-              await Future.wait(messagesList.map((msg) async {
-            final isMe = msg['expediteur'].toString() == expediteur;
 
-            final encrypted = msg['messages'].toString();
+          final batch = messagesList
-            final cle = msg['key']?.toString() ?? '';
+              .map((msg) => {
-            final texte = await _dechiffrerMessage(encrypted, cle);
+                    "encrypted_message": msg['messages'].toString(),
-            return {
+                    "key": msg['key']?.toString() ?? ''
+                  })
+              .toList();
+
+          final decryptUri = Uri.parse(
+              'https://nexuschat.derickexm.be/messages/uncrypt_messages/');
+          final decryptResponse = await http.post(
+            decryptUri,
+            headers: {'Content-Type': 'application/json'},
+            body: jsonEncode({"messages": batch}),
+          );
+
+          List<String> textesDecryptes = [];
+
+          if (decryptResponse.statusCode == 200) {
+            final decryptedData = jsonDecode(decryptResponse.body);
+            if (decryptedData['results'] is List) {
+              textesDecryptes = List<String>.from(decryptedData['results']
+                  .map((item) => item['decrypted_message'] ?? ''));
+            }
+          }
+
+          final List<Map<String, dynamic>> finalMessages = [];
+          for (int i = 0; i < messagesList.length; i++) {
+            final msg = messagesList[i];
+            final text = i < textesDecryptes.length
+                ? textesDecryptes[i]
+                : msg['messages'].toString();
+            finalMessages.add({
               'sender': msg['expediteur'].toString(),
-              'text': texte,
+              'text': text,
               'encrypted': msg['messages'].toString(),
-              'timestamp': msg['sent_at'].toString(),
+              'sent_at': msg['sent_at'].toString(),
               'key': msg['key']?.toString() ?? '',
-              'type': msg['type'] ?? 'text'
+              'type': msg['type'] ?? 'text',
-            };
+            });
-          }));
+            print(msg['sent_at'].toString());
+          }
+
           setState(() {
-            messages = decryptedMessages;
+            messages = finalMessages;
             _isInitialLoading = false;
           });
           _scrollToBottom();
@@ -227,13 +282,38 @@ class _ChatScreenState extends State<ChatScreen> {
         }),
       );
       if (response.statusCode == 200) {
-        print("✅ Message supprimé");
+        print(" Message supprimé");
         _fetchMessages(); // refresh
       } else {
-        print("❌ Erreur suppression: ${response.body}");
+        print("Erreur suppression: ${response.body}");
       }
     } catch (e) {
-      print("❌ Erreur _supprimerMessage: $e");
+      print(" Erreur _supprimerMessage: $e");
+    }
+  }
+
+  Future<void> _sendnotification(String messageText) async {
+    if (destinataire.isEmpty) return;
+
+    final url =
+        Uri.parse("https://nexuschat.derickexm.be/users/send_notifications");
+    final body = jsonEncode({
+      'destinataire': destinataire,
+      'type': 'text',
+      'contenu': messageText,
+      'owner': expediteur
+    });
+
+    try {
+      final response = await http.post(url,
+          headers: {'Content-Type': 'application/json'}, body: body);
+      if (response.statusCode == 200) {
+        print("✅ Notification envoyée.");
+      } else {
+        print("❌ Erreur envoi notification: ${response.body}");
+      }
+    } catch (e) {
+      print("❌ Exception envoi notification: $e");
     }
   }
 
@@ -273,26 +353,31 @@ class _ChatScreenState extends State<ChatScreen> {
     print("🔍 expediteur: $expediteur");
     if (expediteur == null || message.trim().isEmpty) return;
 
-    final now = DateTime.now();
-
     final cryptoData = await _chiffrerMessage(message.trim());
-    print("Résultat chiffrement : $cryptoData");
     final encryptedMessage = cryptoData['encrypted_message'] ?? '';
     final key = cryptoData['key'] ?? '';
-    // Ajout du texte en clair
     final plainText = _controller.text.trim();
-    if (key == null || key.isEmpty) {
+
+    // --- MODIFIED LINE FOR TIMESTAMP ---
+    // Get current local time, then convert to UTC, then add 2 hours (for CEST / UTC+2)
+    // This ensures the time sent is what CEST time would be for this moment.
+    final nowCestTime = DateTime.now().toUtc().add(Duration(hours: 2));
+    final nowCestIsoFormatted =
+        DateFormat("yyyy-MM-dd HH:mm:ss").format(nowCestTime);
+
+    if (key.isEmpty) {
       print('❌ Clé de chiffrement manquante. Message non envoyé.');
       return;
     }
 
+    // Affichage local temporaire (sera remplacé par le polling)
     setState(() {
       messages = List<Map<String, dynamic>>.from(messages)
         ..add({
           'sender': expediteur ?? '',
           'text': plainText,
           'encrypted': encryptedMessage,
-          'timestamp': now.toIso8601String(),
+          'timestamp': 'En cours...', // Temporaire, will be updated by polling
           'key': key,
           'type': 'text'
         });
@@ -303,6 +388,8 @@ class _ChatScreenState extends State<ChatScreen> {
 
     print("✉️ Envoi du message chiffré : $encryptedMessage");
     print("🔑 Clé : $key");
+    print(
+        "⏰ Timestamp envoyé à l'API (CEST): $nowCestIsoFormatted"); // Add this debug print
 
     try {
       final response = await http.post(
@@ -312,74 +399,162 @@ class _ChatScreenState extends State<ChatScreen> {
           'expediteur': expediteur,
           'destinataire': destinataire,
           'message': encryptedMessage,
-          // Correction : horodatage en heure locale (Belgique)
-          'timestamp': DateTime.now().toIso8601String(),
           'id_conversation': idConversation,
-          // Correction : forcer 'key' non vide
+          'key': key,
-          'key': key.isNotEmpty ? key : 'test'
+          'type': 'text',
+          'timestamp':
+              nowCestIsoFormatted, // --- USE THE CEST FORMATTED STRING ---
         }),
       );
+
+      print("📡 Status Code: ${response.statusCode}");
+      print("📡 Response: ${response.body}");
+
       if (response.statusCode == 200) {
+        print("✅ Message envoyé avec succès");
+
+        await Future.delayed(Duration(milliseconds: 500));
+        await _fetchMessages();
+
         final jsonResponse = jsonDecode(response.body);
         if (jsonResponse.containsKey('reply')) {
           setState(() {
             messages.add({
               'sender': destinataire,
               'text': jsonResponse['reply'],
-              'timestamp': DateTime.now().toIso8601String(),
+              'timestamp': 'À l\'instant',
+              'type': 'text'
             });
           });
           _scrollToBottom();
         }
+        await _sendnotification(message.trim());
+      } else {
+        print('❌ Erreur HTTP ${response.statusCode}: ${response.body}');
+        setState(() {
+          messages.removeLast();
+        });
       }
     } catch (e) {
-      print('Erreur sendMessage: $e');
+      print('❌ Erreur exception sendMessage: $e');
+      setState(() {
+        messages.removeLast();
+      });
     }
   }
 
+// 🎭 Fonction _sendGif simplifiée
   Future<void> _sendGif(String gifUrl) async {
     if (expediteur == null || gifUrl.isEmpty) return;
-    print('📤 Préparation à l’envoi du GIF :');
-    print('  ↪️ URL : $gifUrl');
 
-    final nowUtcIso = DateTime.now().toIso8601String();
+    print('📤 Préparation à l\'envoi du GIF : $gifUrl');
-    // Désactivation du chiffrement pour les GIFs
+    final nowCestTime = DateTime.now().toUtc().add(Duration(hours: 2));
-    final encryptedMessage = gifUrl;
+    final nowCestIsoFormatted =
-    final key = 'test';
+        DateFormat("yyyy-MM-dd HH:mm:ss").format(nowCestTime);
-    print('  🔐 Encrypted : $encryptedMessage');
+
-    print('  🔑 Key : $key');
+    final cryptoData = await _chiffrerMessage(gifUrl);
-    print('  💬 ID conversation : $idConversation');
+    final encryptedMessage = cryptoData['encrypted_message'] ?? gifUrl;
+    final key = cryptoData['key'] ?? 'test';
+
+    // Affichage local temporaire
     setState(() {
       messages = List<Map<String, dynamic>>.from(messages)
         ..add({
           'sender': expediteur ?? '',
           'text': gifUrl,
           'encrypted': encryptedMessage,
-          'timestamp': nowUtcIso,
+          'sent_at': 'En cours...',
           'key': key,
           'type': 'gif'
         });
     });
     _scrollToBottom();
 
+    try {
+      final response = await http.post(
+        Uri.parse('https://nexuschat.derickexm.be/messages/send_message/'),
+        headers: {'Content-Type': 'application/json'},
+        body: jsonEncode({
+          'expediteur': expediteur,
+          'destinataire': destinataire,
+          'message': encryptedMessage,
+          'id_conversation': idConversation,
+          'key': key,
+          'type': 'gif',
+          'timestamp': nowCestIsoFormatted, // --- INCLUDE THIS IN THE BODY ---
+        }),
+      );
+
+      print("📡 GIF Status: ${response.statusCode}");
+
+      if (response.statusCode == 200) {
+        print('✅ GIF envoyé avec succès.');
+        // Refresh pour récupérer le vrai timestamp
+        await Future.delayed(Duration(milliseconds: 500));
+        await _fetchMessages();
+      } else {
+        print('❌ Erreur envoi GIF : ${response.body}');
+        setState(() {
+          messages.removeLast();
+        });
+      }
+    } catch (e) {
+      print('❌ Erreur réseau envoi GIF : $e');
+      setState(() {
+        messages.removeLast();
+      });
+    }
+  }
+
+  void _scrollToBottom({bool force = false}) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (_scrollController.hasClients) {
+        final maxScroll = _scrollController.position.maxScrollExtent;
+        final currentScroll = _scrollController.offset;
+        final threshold = 100.0;
+
+        if (force || (maxScroll - currentScroll) < threshold) {
+          _scrollController.animateTo(
+            maxScroll,
+            duration: Duration(milliseconds: 300),
+            curve: Curves.easeOut,
+          );
+        }
+      }
+    });
+  }
+
+  Future<void> _sendFile(String fileUrl) async {
+    if (expediteur == null || fileUrl.isEmpty) return;
+
+    final nowUtcIso = DateTime.now().toIso8601String();
+    final cryptoData = await _chiffrerMessage(fileUrl);
+    final encryptedMessage = cryptoData['encrypted_message'] ?? fileUrl;
+    final key = cryptoData['key'] ?? 'test';
+
+    setState(() {
+      messages = List<Map<String, dynamic>>.from(messages)
+        ..add({
+          'sender': expediteur ?? '',
+          'text': fileUrl,
+          'encrypted': encryptedMessage,
+          'timestamp': nowUtcIso,
+          'key': key,
+          'type': 'file'
+        });
+    });
+    _scrollToBottom();
+
     final body = jsonEncode({
       'expediteur': expediteur,
       'destinataire': destinataire,
       'message': encryptedMessage,
-      'timestamp': nowUtcIso,
+      // 'timestamp': nowUtcIso, // removed
       'id_conversation': idConversation,
       'key': key,
-      'type': 'gif'
+      'type': 'file'
     });
-    print("📦 Corps envoyé à l’API :");
+
-    print("  expediteur     : ${expediteur}");
-    print("  destinataire   : ${destinataire}");
-    print("  message        : $encryptedMessage");
-    print("  key            : $key");
-    print("  timestamp      : $nowUtcIso");
-    print("  id_conversation: $idConversation");
-    print("  type           : gif");
-    print("🔒 Longueur message : ${encryptedMessage.length}");
     try {
       final response = await http.post(
         Uri.parse('https://nexuschat.derickexm.be/messages/send_message/'),
@@ -388,30 +563,16 @@ class _ChatScreenState extends State<ChatScreen> {
       );
 
       if (response.statusCode != 200) {
-        print('Erreur envoi GIF : ${response.body}');
+        print('Erreur envoi fichier : ${response.body}');
       } else {
-        print('✅ GIF envoyé avec succès.');
+        print('✅ Fichier envoyé avec succès.');
       }
     } catch (e) {
-      print('Erreur réseau envoi GIF : $e');
+      print('Erreur réseau envoi fichier : $e');
     }
   }
 
-  void _scrollToBottom() {
+  ///
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      if (_scrollController.hasClients) {
-        _scrollController.animateTo(
-          _scrollController.position.maxScrollExtent,
-          duration: Duration(milliseconds: 300),
-          curve: Curves.easeOut,
-        );
-      }
-    });
-  }
-
-  void _selectPhoto() {
-    print('Sélectionner une photo');
-  }
 
   Future<void> _selectGif() async {
     GiphyLocale? fr;
@@ -441,7 +602,9 @@ class _ChatScreenState extends State<ChatScreen> {
         ),
         title: Text(destinataire),
       ),
-      body: _isInitialLoading
+      body: Stack(
+        children: [
+          _isInitialLoading
               ? const Center(child: CircularProgressIndicator())
               : Column(
                   children: [
@@ -452,17 +615,10 @@ class _ChatScreenState extends State<ChatScreen> {
                         itemBuilder: (context, index) {
                           final message = messages[index];
                           final isMe = message['sender'] == expediteur;
-
-                      // Formatage de l'heure
-                      final time =
-                          DateTime.tryParse(message['timestamp'] ?? '');
-                      final formattedTime = time != null
-                          ? "${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}"
-                          : '';
-
                           return Container(
-                        alignment:
+                            alignment: isMe
-                            isMe ? Alignment.centerRight : Alignment.centerLeft,
+                                ? Alignment.centerRight
+                                : Alignment.centerLeft,
                             margin: const EdgeInsets.symmetric(
                                 vertical: 4, horizontal: 8),
                             child: Column(
@@ -487,21 +643,26 @@ class _ChatScreenState extends State<ChatScreen> {
                                             ? () {
                                                 showDialog(
                                                   context: context,
-                                              builder: (BuildContext context) {
+                                                  builder:
+                                                      (BuildContext context) {
                                                     return AlertDialog(
                                                       title: Text(
                                                           "Supprimer le message ?"),
                                                       actions: [
                                                         TextButton(
-                                                      child: Text("Annuler"),
+                                                          child:
+                                                              Text("Annuler"),
                                                           onPressed: () =>
-                                                          Navigator.of(context)
+                                                              Navigator.of(
+                                                                      context)
                                                                   .pop(),
                                                         ),
                                                         TextButton(
-                                                      child: Text("Supprimer"),
+                                                          child:
+                                                              Text("Supprimer"),
                                                           onPressed: () {
-                                                        Navigator.of(context)
+                                                            Navigator.of(
+                                                                    context)
                                                                 .pop();
                                                             _supprimerMessage(
                                                                 message);
@@ -520,12 +681,40 @@ class _ChatScreenState extends State<ChatScreen> {
                                             color: isMe
                                                 ? Colors.orange
                                                 : Colors.grey[300],
-                                        borderRadius: BorderRadius.circular(10),
+                                            borderRadius:
+                                                BorderRadius.circular(10),
                                           ),
                                           child: message['type'] == 'gif'
-                                          ? Image.network(message['text'] ?? '')
+                                              ? Image.network(
-                                          : Text(
                                                   message['text'] ?? '',
+                                                  errorBuilder: (context, error,
+                                                      stackTrace) {
+                                                  return Text(
+                                                      "Erreur de chargement du GIF");
+                                                })
+                                              : message['text']
+                                                      .toString()
+                                                      .startsWith('http')
+                                                  ? GestureDetector(
+                                                      onTap: () => launchUrl(
+                                                          Uri.parse(
+                                                              message['text'])),
+                                                      child: Text(
+                                                        '📎 Fichier joint',
+                                                        style: TextStyle(
+                                                          decoration:
+                                                              TextDecoration
+                                                                  .underline,
+                                                          color:
+                                                              Colors.blueAccent,
+                                                        ),
+                                                      ),
+                                                    )
+                                                  : Text(
+                                                      message['owner'] != null
+                                                          ? "Message de ${message['owner']}"
+                                                          : (message['text'] ??
+                                                              ''),
                                                       style: TextStyle(
                                                         color: isMe
                                                             ? Colors.white
@@ -537,13 +726,29 @@ class _ChatScreenState extends State<ChatScreen> {
                                     ),
                                   ],
                                 ),
-                            if (formattedTime.isNotEmpty)
                                 Padding(
                                   padding: const EdgeInsets.only(top: 2),
-                                child: Text(
+                                  child: Builder(
-                                  formattedTime,
+                                    builder: (context) {
+                                      final rawDateStr = message['sent_at'] ??
+                                          message['timestamp'];
+                                      DateTime? parsedDate;
+                                      try {
+                                        parsedDate =
+                                            DateTime.tryParse(rawDateStr ?? '');
+                                      } catch (_) {}
+                                      final display = parsedDate != null
+                                          ? DateFormat("d MMMM yyyy à HH:mm",
+                                                  "fr_FR")
+                                              .format(parsedDate)
+                                          : '';
+                                      return Text(
+                                        display,
                                         style: TextStyle(
-                                      fontSize: 10, color: Colors.grey[600]),
+                                            fontSize: 10,
+                                            color: Colors.grey[600]),
+                                      );
+                                    },
                                   ),
                                 ),
                               ],
@@ -578,20 +783,21 @@ class _ChatScreenState extends State<ChatScreen> {
                                   inputFormatters: [
                                     _EnterKeyFormatter(
                                       onEnter: () {
-                                    if (_controller.text.trim().isNotEmpty) {
+                                        if (_controller.text
+                                            .trim()
+                                            .isNotEmpty) {
                                           sendMessage(_controller.text);
-                                      _controller
+                                          _controller.clear();
-                                          .clear(); // 👈 Ajout explicite du clear ici
                                         }
                                       },
                                     ),
                                   ],
                                 ),
                               ),
-                          SizedBox(width: 8),
+                              SizedBox(width: 5),
                               Container(
                                 decoration: BoxDecoration(
-                              color: Colors.orange.shade100, // plus doux
+                                  color: Colors.orange.shade100,
                                   borderRadius: BorderRadius.circular(12),
                                 ),
                                 child: IconButton(
@@ -618,14 +824,14 @@ class _ChatScreenState extends State<ChatScreen> {
                                       : null,
                                 ),
                               ),
-                          SizedBox(width: 8),
                             ],
                           ),
                           Padding(
                             padding: const EdgeInsets.only(bottom: 4, top: 2),
                             child: Text(
                               "🔒 Messages chiffrés de bout en bout",
-                          style: TextStyle(fontSize: 12, color: Colors.grey),
+                              style:
+                                  TextStyle(fontSize: 12, color: Colors.grey),
                             ),
                           ),
                         ],
@@ -633,6 +839,19 @@ class _ChatScreenState extends State<ChatScreen> {
                     ),
                   ],
                 ),
+          if (_showScrollToBottom)
+            Positioned(
+              bottom: 100,
+              right: 16,
+              child: FloatingActionButton(
+                mini: true,
+                backgroundColor: Colors.orange,
+                child: Icon(Icons.arrow_downward),
+                onPressed: () => _scrollToBottom(force: true),
+              ),
+            ),
+        ],
+      ),
     );
   }
 }

nexuschat/lib/contacts.dart

@@ -106,9 +106,11 @@ class _ContactsState extends State<Contacts>
       );
       if (response.statusCode == 200) {
         final data = json.decode(response.body);
+        final users = data['users'];
+        users.shuffle();
         setState(() {
-          _users = data['users'];
+          _users = users;
-          _filteredUsers = _users;
+          _filteredUsers = users.length > 3 ? users.take(3).toList() : users;
         });
       }
     } catch (e) {
@@ -119,9 +121,13 @@ class _ContactsState extends State<Contacts>
   void _filterUsers() {
     final query = _searchController.text.toLowerCase();
     setState(() {
+      if (query.isEmpty) {
+        _filteredUsers = [];
+      } else {
         _filteredUsers = _users
             .where((user) => user['username'].toLowerCase().contains(query))
             .toList();
+      }
     });
   }
 
@@ -134,6 +140,32 @@ class _ContactsState extends State<Contacts>
     });
   }
 
+  Future<void> _sendnotification(
+      String destinataire, String messageText) async {
+    if (destinataire.isEmpty || currentUser == null) return;
+
+    final url =
+        Uri.parse("https://nexuschat.derickexm.be/users/send_notifications");
+    final body = jsonEncode({
+      'destinataire': destinataire,
+      'type': 'text',
+      'contenu': messageText,
+      'owner': currentUser
+    });
+
+    try {
+      final response = await http.post(url,
+          headers: {'Content-Type': 'application/json'}, body: body);
+      if (response.statusCode == 200) {
+        print("✅ Notification envoyée.");
+      } else {
+        print("❌ Erreur envoi notification: ${response.body}");
+      }
+    } catch (e) {
+      print("❌ Exception envoi notification: $e");
+    }
+  }
+
   Future<void> _envoyerDemandeContact(String destinataire) async {
     if (destinataire == currentUser) {
       ScaffoldMessenger.of(context).showSnackBar(
@@ -173,6 +205,8 @@ class _ContactsState extends State<Contacts>
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(content: Text("Demande envoyée à $destinataire")),
         );
+        await _sendnotification(
+            destinataire, "$currentUser vous a envoyé une demande de contact.");
         await _loadDemandes();
       }
     } catch (e) {
@@ -380,7 +414,21 @@ class _ContactsState extends State<Contacts>
               Expanded(
                 child: _filteredUsers.isEmpty
                     ? Center(child: Text("Aucun utilisateur trouvé"))
-                    : ListView.builder(
+                    : Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          if (_searchController.text.isEmpty)
+                            Padding(
+                              padding: const EdgeInsets.symmetric(
+                                  horizontal: 16.0, vertical: 8.0),
+                              child: Text(
+                                "Personnes que tu pourrais connaître",
+                                style: TextStyle(
+                                    fontSize: 16, fontWeight: FontWeight.bold),
+                              ),
+                            ),
+                          Expanded(
+                            child: ListView.builder(
                               itemCount: _filteredUsers.length,
                               itemBuilder: (context, index) {
                                 final user = _filteredUsers[index]['username'];
@@ -403,7 +451,8 @@ class _ContactsState extends State<Contacts>
 
                                     if (etat == "aucune_relation") {
                                       label = "Envoyer demande";
-                                action = () => _envoyerDemandeContact(user);
+                                      action =
+                                          () => _envoyerDemandeContact(user);
                                     } else if (etat == "pending_envoyee" ||
                                         etat == "pending_recue") {
                                       label = "Demande en attente";
@@ -432,6 +481,9 @@ class _ContactsState extends State<Contacts>
                           ),
                         ],
                       ),
+              ),
+            ],
+          ),
         ],
       ),
     );

nexuschat/lib/forgotpassword.dart

@@ -0,0 +1,108 @@
+// ignore_for_file: use_super_parameters
+
+import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+
+class ForgotPasswordScreen extends StatefulWidget {
+  const ForgotPasswordScreen({Key? key}) : super(key: key);
+
+  @override
+  State<ForgotPasswordScreen> createState() => _ForgotPasswordScreenState();
+}
+
+class _ForgotPasswordScreenState extends State<ForgotPasswordScreen> {
+  final _formKey = GlobalKey<FormState>();
+  final _emailController = TextEditingController();
+
+  @override
+  void dispose() {
+    _emailController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _resetPassword(BuildContext context, String email) async {
+    final url = Uri.parse(
+        'https://nexuschat.derickexm.be/email/change_password?email=$email');
+    try {
+      final response = await http.post(
+        url,
+        headers: {'Accept': 'application/json'},
+      );
+
+      if (response.statusCode == 200) {
+        _showErrorDialog(context, "Email de vérification envoyé avec succès!");
+      } else {
+        _showErrorDialog(context,
+            "Impossible d'envoyer l'email de vérification. (${response.statusCode})");
+        print("Réponse serveur : ${response.body}");
+      }
+    } catch (e) {
+      _showErrorDialog(context, "Erreur de connexion à l'API.");
+      print("Erreur d'envoi email : $e");
+    }
+  }
+
+  void _showErrorDialog(BuildContext context, String message) {
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: const Text(''),
+          content: Text(message),
+          actions: <Widget>[
+            TextButton(
+              child: const Text('Fermer'),
+              onPressed: () {
+                Navigator.of(context).pop();
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('rénitialisation de mot de passe'),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Form(
+          key: _formKey,
+          child: Column(
+            children: [
+              TextFormField(
+                controller: _emailController,
+                decoration: const InputDecoration(
+                  labelText: 'Email',
+                  prefixIcon: Icon(Icons.email),
+                ),
+                validator: (value) {
+                  if (value == null || value.isEmpty) {
+                    return 'Entrer votre email';
+                  }
+                  if (!value.contains('@')) {
+                    return 'Erreur : entrer un email valide';
+                  }
+                  return null;
+                },
+              ),
+              const SizedBox(height: 20),
+              ElevatedButton(
+                onPressed: () {
+                  if (_formKey.currentState!.validate()) {
+                    _resetPassword(context, _emailController.text);
+                  }
+                },
+                child: const Text('Rénitialiser votre mot de passe'),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

nexuschat/lib/login.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:http/http.dart' as http;
+import 'package:nexuschat/forgotpassword.dart';
 import 'package:nexuschat/inscription.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'menu.dart';
@@ -93,6 +94,42 @@ class Login extends StatelessWidget {
       }
     }
 
+    Future<void> _ForgotPassword(String email, String password) async {
+      final url =
+          Uri.parse('https://nexuschat.derickexm.be/users/check_credentials');
+
+      final body = jsonEncode({
+        'email': email,
+        'password': password,
+      });
+
+      try {
+        final response = await http.post(
+          url,
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: body,
+        );
+
+        if (response.statusCode == 200) {
+          print("Connexion réussie");
+
+          final prefs = await SharedPreferences.getInstance();
+          await prefs.setString('user_email', email);
+
+          Navigator.pushReplacement(
+              context, MaterialPageRoute(builder: (context) => Menu()));
+          await sendAttemptLogin(email);
+        } else {
+          _showErrorDialog(
+              context, "Nom d'utilisateur ou mot de passe incorrect");
+        }
+      } catch (e) {
+        _showErrorDialog(context, "Impossible de se connecter à l'API");
+      }
+    }
+
     return Scaffold(
       body: Center(
         child: Padding(
@@ -184,6 +221,19 @@ class Login extends StatelessWidget {
                     child: const Text("S'inscrire"),
                   ),
                 ),
+                TextButton(
+                  onPressed: () {
+                    // Tu pourras plus tard rediriger vers une page dédiée
+                    Navigator.push(
+                        context,
+                        MaterialPageRoute(
+                            builder: (context) => ForgotPasswordScreen()));
+                  },
+                  child: const Text(
+                    "Mot de passe oublié ?",
+                    style: TextStyle(color: Colors.red),
+                  ),
+                ),
               ],
             ),
           ),

nexuschat/lib/main.dart

@@ -4,8 +4,12 @@ import 'package:flutter/material.dart';
 import 'package:nexuschat/menu.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'login.dart';
+import 'package:intl/date_symbol_data_local.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await initializeDateFormatting('fr_FR', null);
 
-void main() {
   runApp(const MyApp());
 }
 

nexuschat/lib/menu.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:nexuschat/notifications.dart';
 import 'package:nexuschat/profil.dart';
 import 'settings.dart';
 import 'listechat.dart';
@@ -24,6 +25,7 @@ class _MenuState extends State<Menu> {
 
     _widgetOptions = <Widget>[
       Listechat(),
+      Notif(),
       Setting(),
     ];
   }
@@ -112,6 +114,10 @@ class _MenuState extends State<Menu> {
             icon: Icon(Icons.chat),
             label: "Chat",
           ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.notifications),
+            label: "Notifications",
+          ),
           BottomNavigationBarItem(
             icon: Icon(Icons.settings),
             label: "Paramètres",

nexuschat/lib/notifications.dart

@@ -0,0 +1,327 @@
+import 'package:flutter/material.dart';
+import 'package:dio/dio.dart';
+import 'dart:convert';
+import 'package:intl/intl.dart';
+import 'package:http/http.dart' as http;
+import 'package:nexuschat/profil.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class Notif extends StatefulWidget {
+  const Notif({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  _NotifState createState() => _NotifState();
+}
+
+class _NotifState extends State<Notif> {
+  String? username;
+  String? userId;
+  Map<String, dynamic>? _lastNotification;
+  bool isUsernameReady = false;
+  late SharedPreferences prefs;
+  int? selectedNotificationId;
+
+  @override
+  void initState() {
+    super.initState();
+    _initializeNotifications();
+    _initPrefs();
+  }
+
+  Future<void> _initPrefs() async {
+    prefs = await SharedPreferences.getInstance();
+    final email = prefs.getString('user_email') ?? '';
+
+    if (email.isNotEmpty) {
+      await _getUsername(email);
+    } else {
+      print("❌ Aucun email trouvé dans les préférences.");
+    }
+  }
+
+  Future<void> _deleteNotification(String notificationId) async {
+    final url =
+        Uri.parse('https://nexuschat.derickexm.be/users/delete_notifications/');
+
+    try {
+      final response = await http.post(
+        url,
+        headers: {'Content-Type': 'application/x-www-form-urlencoded'},
+        body: {'id': notificationId},
+      );
+
+      if (response.statusCode == 200) {
+        if (mounted) {
+          setState(() {});
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(content: Text('Notification supprimée')),
+          );
+        }
+      } else {
+        print('Erreur lors de la suppression: ${response.body}');
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Échec de suppression de la notification')),
+        );
+      }
+    } catch (e) {
+      print('Erreur lors de la suppression: $e');
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Erreur lors de la suppression')),
+      );
+    }
+  }
+
+  Future<bool> deleteAllNotifications() async {
+    final url = Uri.parse(
+        'https://nexuschat.derickexm.be/users/delete_all_notifications/');
+
+    try {
+      var formData = FormData.fromMap({
+        'destinataire': username,
+      });
+
+      final response = await Dio().post(
+        url.toString(),
+        data: formData,
+        options: Options(
+          headers: {
+            'Content-Type': 'application/x-www-form-urlencoded',
+          },
+        ),
+      );
+
+      if (response.statusCode == 200) {
+        final data = response.data;
+        print('Successfully deleted ${data['count']} notifications');
+        return true;
+      } else {
+        print('Failed to delete notifications: ${response.statusCode}');
+        return false;
+      }
+    } catch (e) {
+      print('Error when deleting all notifications: $e');
+      return false;
+    }
+  }
+
+  Future<void> _getUsername(String email) async {
+    final url = Uri.parse(
+        'https://nexuschat.derickexm.be/users/get_username/?email=$email');
+    try {
+      final response =
+          await http.get(url, headers: {'Accept': 'application/json'});
+      if (response.statusCode == 200) {
+        final data = jsonDecode(response.body);
+        if (mounted) {
+          setState(() {
+            username = data['username'];
+            prefs.setString('username', username!);
+            isUsernameReady = true;
+          });
+        }
+      } else {
+        print("❌ Impossible de récupérer le nom d'utilisateur");
+      }
+    } catch (e) {
+      print("❌ Erreur de connexion à l'API : $e");
+    }
+  }
+
+  void _initializeNotifications() {}
+
+  Future<List<Map<String, dynamic>>> fetchNotifications(
+      String? username) async {
+    if (username == null || username.isEmpty) {
+      return [];
+    }
+
+    final response = await http.get(Uri.parse(
+        'https://nexuschat.derickexm.be/users/get_notifications?username=$username'));
+    if (response.statusCode == 200) {
+      final decoded = jsonDecode(response.body);
+      final List notifications = decoded['notifications'];
+      return notifications.cast<Map<String, dynamic>>();
+    } else {
+      throw Exception('Erreur de chargement des notifications');
+    }
+  }
+
+  Future<bool> _showConfirmationDialog(BuildContext context) async {
+    return await showDialog<bool>(
+          context: context,
+          builder: (context) {
+            return AlertDialog(
+              title: Text('Confirmation'),
+              content: Text(
+                  'Voulez-vous vraiment supprimer toutes les notifications ?'),
+              actions: [
+                TextButton(
+                  onPressed: () {
+                    Navigator.pop(context, false);
+                  },
+                  child: Text('Annuler'),
+                ),
+                TextButton(
+                  onPressed: () {
+                    Navigator.pop(context, true);
+                  },
+                  child: Text('Supprimer'),
+                ),
+              ],
+            );
+          },
+        ) ??
+        false;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Notifications'),
+        actions: [
+          IconButton(
+            icon: Icon(Icons.delete_sweep),
+            tooltip: 'Supprimer toutes les notifications',
+            onPressed: () async {
+              bool confirm = await _showConfirmationDialog(context);
+              if (confirm) {
+                bool success = await deleteAllNotifications();
+                if (success) {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(
+                        content: Text(
+                            'Toutes les notifications ont été supprimées')),
+                  );
+                  if (mounted) {
+                    setState(() {});
+                  }
+                } else {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(
+                        content:
+                            Text('Échec de la suppression des notifications')),
+                  );
+                }
+              }
+            },
+          ),
+        ],
+      ),
+      body: isUsernameReady
+          ? FutureBuilder<List<Map<String, dynamic>>>(
+              future: fetchNotifications(username),
+              builder: (context, snapshot) {
+                if (snapshot.connectionState == ConnectionState.waiting) {
+                  return Center(child: CircularProgressIndicator());
+                }
+
+                if (snapshot.hasError) {
+                  return Center(
+                    child: Text('Erreur: ${snapshot.error}'),
+                  );
+                }
+
+                final notifications = snapshot.data ?? [];
+
+                if (notifications.isEmpty) {
+                  return Center(
+                    child: Text('Aucune notification pour le moment'),
+                  );
+                }
+
+                return ListView.builder(
+                  itemCount: notifications.length,
+                  itemBuilder: (context, index) {
+                    final notification = notifications[index];
+                    final username = notification['owner'] ?? 'inconnu';
+
+                    final message = notification['contenu'] ?? 'Pas de contenu';
+
+                    final timestamp = notification.containsKey('date_creation')
+                        ? DateTime.parse(notification['date_creation'])
+                        : DateTime.now();
+
+                    var formattedTimestamp =
+                        DateFormat('dd MMM yyyy, HH:mm').format(timestamp);
+
+                    return Container(
+                      decoration: BoxDecoration(),
+                      margin:
+                          EdgeInsets.symmetric(vertical: 4.0, horizontal: 8.0),
+                      child: ListTile(
+                        trailing: IconButton(
+                          icon: Icon(Icons.delete),
+                          onPressed: () async {
+                            await _deleteNotification(
+                                notification['id'].toString());
+                            if (mounted) {
+                              setState(() {});
+                            }
+                          },
+                        ),
+                        leading: CircleAvatar(
+                          child: Icon(
+                            Icons.notifications,
+                            size: 30,
+                            color: Colors.black,
+                          ),
+                          backgroundColor: Colors.white38,
+                        ),
+                        title: Text(
+                          username ?? '',
+                          style: TextStyle(fontWeight: FontWeight.bold),
+                        ),
+                        subtitle: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              message,
+                              style: TextStyle(fontWeight: FontWeight.bold),
+                            ),
+                            SizedBox(height: 4.0),
+                            Text(
+                              formattedTimestamp,
+                              style:
+                                  TextStyle(fontSize: 12, color: Colors.grey),
+                            ),
+                          ],
+                        ),
+                        onTap: () {
+                          setState(() {
+                            selectedNotificationId = notification['id'];
+                            print(
+                                "Notification sélectionnée : $selectedNotificationId");
+                          });
+                        },
+                      ),
+                    );
+                  },
+                );
+              },
+            )
+          : Center(child: CircularProgressIndicator()),
+    );
+  }
+
+  void _showNotification(
+      BuildContext context, Map<String, dynamic>? notificationData) async {
+    var source =
+        notificationData != null && notificationData.containsKey('type')
+            ? notificationData['type']
+            : "divers";
+    var message =
+        notificationData != null && notificationData.containsKey('contenu')
+            ? notificationData['contenu']
+            : "Pas de message";
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text("🔔 $source : $message"),
+        duration: Duration(seconds: 3),
+      ),
+    );
+  }
+}

nexuschat/lib/profil.dart

@@ -402,15 +402,6 @@ class _ProfilState extends State<Profil> {
                     child: const Text("Envoyer l'email de vérification"),
                   ),
                 const SizedBox(height: 20),
-                const Text("Statut",
-                    style:
-                        TextStyle(fontWeight: FontWeight.bold, fontSize: 20)),
-                const SizedBox(height: 3),
-                Text(
-                  "Dernière activité : Non spécifié",
-                  style: const TextStyle(fontSize: 20),
-                ),
-                const SizedBox(height: 10),
                 ElevatedButton(
                   onPressed: () {
                     showDialog(

nexuschat/pubspec.lock

@@ -97,6 +97,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  dio:
+    dependency: "direct main"
+    description:
+      name: dio
+      sha256: "253a18bbd4851fecba42f7343a1df3a9a4c1d31a2c1b37e221086b4fa8c8dbc9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.8.0+1"
+  dio_web_adapter:
+    dependency: transitive
+    description:
+      name: dio_web_adapter
+      sha256: "7586e476d70caecaf1686d21eee7247ea43ef5c345eab9e0cc3583ff13378d78"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
   fake_async:
     dependency: transitive
     description:

nexuschat/pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
   
+  
   flutter_giphy_picker: ^1.0.5
   http: ^1.4.0
   adaptive_theme: ^3.6.0
@@ -44,6 +45,8 @@ dependencies:
   file_picker: ^5.0.0
   image: ^3.0.1
   shared_preferences: ^2.2.2
+  dio: ^5.8.0+1
+