From 1c08896f2d9e96ac730bcb5967f27f529099c884 Mon Sep 17 00:00:00 2001
From: Girish Ramakrishnan <girish@cloudron.io>
Date: Fri, 24 Jun 2016 12:21:29 -0500
Subject: [PATCH] debug the reason why the message did not match

---
 imap-probe.js | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/imap-probe.js b/imap-probe.js
index a34a31a..276f85a 100644
--- a/imap-probe.js
+++ b/imap-probe.js
@@ -129,14 +129,27 @@ function searchMessage(message, needle) {
     assert.strictEqual(typeof  message, 'object');
     assert.strictEqual(typeof  needle, 'object');
 
-    debug('searchMessage : %s %s %s %s', message.seqno, message.from[0], message.to[0], message.subject[0]);
+    var reason = [ ];
 
-    if (needle.subject && message.subject[0].match(needle.subject) === null) return false;
-    if (needle.body && message.body.match(needle.body) === null) return false;
-    if (needle.to && message.to[0].match(needle.to) === null) return false;
-    if (needle.from && message.from[0].match(needle.from) === null) return false;
+    if (needle.subject && message.subject[0].match(needle.subject) === null) {
+        reason.push('subject does not match');
+    }
 
-    return true;
+    if (needle.body && message.body.match(needle.body) === null) {
+        reason.push('body does not match');
+    }
+
+    if (needle.to && message.to[0].match(needle.to) === null) {
+        reason.push('to does not match');
+    }
+
+    if (needle.from && message.from[0].match(needle.from) === null) {
+        reason.push('from does not match');
+    }
+
+    debug('searchMessage : %s %s %s %s (%j)', message.seqno, message.from[0], message.to[0], message.subject[0], reason);
+
+    return reason.length === 0;
 }
 
 ImapProbe.prototype._scanBox = function (needle, callback) {