From 9151e4efa09f30004d30f64e52c362aeab26c2c7 Mon Sep 17 00:00:00 2001
From: Maciej Pienczyn <maciej.pienczyn@inpi.pl>
Date: Sat, 28 Mar 2026 16:29:15 +0100
Subject: [PATCH] debug: add deep logging to message send flow (frontend +
 backend)

---
 blueprints/messages/message_routes.py |  2 ++
 static/js/conversations.js            | 19 +++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/blueprints/messages/message_routes.py b/blueprints/messages/message_routes.py
index 7fef6c9..ef76001 100644
--- a/blueprints/messages/message_routes.py
+++ b/blueprints/messages/message_routes.py
@@ -183,6 +183,8 @@ def get_messages(conv_id):
 @member_required
 def send_message(conv_id):
     """Send a message to a conversation."""
+    import logging
+    logging.getLogger(__name__).info(f"[MSG-DEBUG] send_message called: conv={conv_id}, user={current_user.id}, method={request.method}")
     db = SessionLocal()
     try:
         # Verify membership
diff --git a/static/js/conversations.js b/static/js/conversations.js
index c278b42..f81c6d1 100644
--- a/static/js/conversations.js
+++ b/static/js/conversations.js
@@ -1211,6 +1211,7 @@
                 if (e.key === 'Enter' && !e.shiftKey) {
                     e.preventDefault();
                     e.stopImmediatePropagation();
+                    console.log('[MSG-DEBUG] Enter keydown captured, _isSending=' + state._isSending + ', _lastSendTime=' + state._lastSendTime);
                     Composer.send();
                 }
             }, true);
@@ -1224,6 +1225,7 @@
             var sendBtn = document.getElementById('sendBtn');
             if (sendBtn) {
                 sendBtn.addEventListener('click', function () {
+                    console.log('[MSG-DEBUG] Send BUTTON clicked');
                     Composer.send();
                 });
             }
@@ -1254,14 +1256,23 @@
 
         send: async function () {
             if (!state.currentConversationId || !state.quill) return;
-            if (state._isSending) return; // Prevent double send
+            // Double-send guard: flag + timestamp debounce (500ms)
+            var now = Date.now();
+            if (state._isSending || (state._lastSendTime && now - state._lastSendTime < 500)) {
+                console.log('[MSG-DEBUG] send() BLOCKED: _isSending=' + state._isSending + ', timeSinceLast=' + (now - (state._lastSendTime || 0)) + 'ms');
+                return;
+            }
+            state._isSending = true;
+            state._lastSendTime = now;
+            console.log('[MSG-DEBUG] send() EXECUTING at ' + now);
 
             var html = state.quill.root.innerHTML;
             var text = state.quill.getText().trim();
 
-            if (!text && !state.attachedFiles.length) return;
-
-            state._isSending = true;
+            if (!text && !state.attachedFiles.length) {
+                state._isSending = false;
+                return;
+            }
             var convId = state.currentConversationId;
 
             try {