diff --git a/src/pages/chat/chat.ts b/src/pages/chat/chat.ts
index 383732d..217127d 100755
--- a/src/pages/chat/chat.ts
+++ b/src/pages/chat/chat.ts
@@ -30,11 +30,6 @@ interface LocalNotification {
     time: string;
 }
 
-interface Process {
-    encrypted_pcd: {
-        roles: Record<string, any>;
-    };
-}
 
 export function initChat() {
     const chatElement = document.createElement('chat-element');
@@ -70,9 +65,9 @@ class ChatElement extends HTMLElement {
         this.attachShadow({ mode: 'open' });
         this.messagesMock = messageStore.getMessages();
         this.dom = getCorrectDOM('signature-element');
+        this.processId = this.getAttribute('process-id');
 
         // Récupérer le processId depuis l'attribut du composant
-        this.processId = this.getAttribute('process-id');
         console.log('🔍 Constructor - Process ID from element:', this.processId);
 
         this.shadowRoot!.innerHTML = `
@@ -124,7 +119,6 @@ class ChatElement extends HTMLElement {
             }
         });
         this.initMessageEvents();
-        this.initFileUpload();
 
         document.addEventListener('newMessagingProcess', ((event: CustomEvent) => {
             console.log('🎯 Received newMessagingProcess event:', event.detail);
@@ -141,26 +135,22 @@ class ChatElement extends HTMLElement {
     }
 
     private initMessageEvents() {
-        // Pour le bouton Send
         const sendButton = this.shadowRoot?.querySelector('#send-button');
         if (sendButton) {
             sendButton.addEventListener('click', () => this.sendMessage());
         }
 
-        // Pour la touche Entrée
         const messageInput = this.shadowRoot?.querySelector('#message-input');
         if (messageInput) {
             messageInput.addEventListener('keypress', (event: Event) => {
-                const keyEvent = event as KeyboardEvent;  // Cast en KeyboardEvent
+                const keyEvent = event as KeyboardEvent;
                 if (keyEvent.key === 'Enter' && !keyEvent.shiftKey) {
                     event.preventDefault();
                     this.sendMessage();
                 }
             });
         }
-    }
 
-    private initFileUpload() {
         const fileInput = this.shadowRoot?.querySelector('#file-input') as HTMLInputElement;
         if (fileInput) {
             fileInput.addEventListener('change', (event: Event) => {
@@ -562,68 +552,38 @@ class ChatElement extends HTMLElement {
 
     // Send a file
     private sendFile(file: File) {
-        console.log('SendFile called with file:', file);
+        if (!this.selectedMemberId) return;
+
+        const MAX_FILE_SIZE = 5 * 1024 * 1024;
+        if (file.size > MAX_FILE_SIZE) {
+            alert('File is too large. Maximum size is 5MB');
+            return;
+        }
+
         const reader = new FileReader();
-        reader.onloadend = () => {
-            const fileData = reader.result;
-            const fileName = file.name;
-            console.log('File loaded:', fileName);
-
-            if (this.selectedMemberId) {
-                messageStore.addMessage(this.selectedMemberId, {
-                    id: Date.now(),
-                    sender: "4NK",
-                    fileName: fileName,
-                    fileData: fileData,
-                    time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }),
-                    type: 'file'
-                });
-                console.log('Message added to store');
-                
-                this.messagesMock = messageStore.getMessages();
-                this.loadMemberChat(this.selectedMemberId);
-            }
-        };
         reader.readAsDataURL(file);
+        
+        reader.onload = () => {
+            const fileMessage = {
+                id: Date.now(),
+                sender: "4NK",
+                fileName: file.name,
+                fileData: reader.result,
+                time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }),
+                type: 'file' as const
+            };
+
+            messageStore.addMessage(this.selectedMemberId!, fileMessage);
+            this.messagesMock = messageStore.getMessages();
+            this.loadMemberChat(this.selectedMemberId!);
+
+            const fileInput = this.shadowRoot?.querySelector('#file-input') as HTMLInputElement;
+            if (fileInput) fileInput.value = '';
+        };
     }
 
-    private initializeEventListeners() {
-        document.addEventListener('DOMContentLoaded', (): void => {
-        });
-
-    // Gestionnaire d'événements pour le chat
-    const sendBtn = this.shadowRoot?.querySelector('#send-button');
-    if (sendBtn) {
-            sendBtn.addEventListener('click', this.sendMessage.bind(this));
-        }
-
-    const messageInput = this.shadowRoot?.querySelector('#message-input');
-    if (messageInput) {
-            messageInput.addEventListener('keypress', (event: Event) => {
-                if ((event as KeyboardEvent).key === 'Enter') {
-                    event.preventDefault();
-                    this.sendMessage();
-                }
-            });
-        }
-
-        // Gestionnaire pour l'envoi de fichiers
-        const fileInput = this.shadowRoot?.querySelector('#file-input');
-        if (fileInput) {
-            fileInput.addEventListener('change', (event: Event) => {
-                const file = (event.target as HTMLInputElement).files?.[0];
-                if (file) {
-                    this.sendFile(file);
-                }
-            });
-        }
-    }
-
-    
-
     connectedCallback() {
         this.updateCurrentUserDisplay();
-        this.initializeEventListeners();
         
         if (this.processId) {
             console.log('🔍 Loading chat with process ID:', this.processId);