Update app.py

app.py

@@ -64,7 +64,30 @@ DARVO_MOTIFS = [
     "so now it’s all my fault", "i’m the villain", "i’m always wrong", "you never listen",
     "you’re attacking me", "i’m done trying", "i’m the only one who cares"
 ]
-
+import re
+
+def detect_contradiction(message):
+    contradiction_flag = False
+    contradiction_phrases = [
+        # Emotional flip-flops
+        (r"\b(i love you).{0,15}(i hate you|you ruin everything)", re.IGNORECASE),
+        (r"\b(i’m sorry).{0,15}(but you|if you hadn’t)", re.IGNORECASE),
+        (r"\b(i’m trying).{0,15}(you never|why do you)", re.IGNORECASE),
+        # Control + helplessness
+        (r"\b(do what you want).{0,15}(you’ll regret it|i always give everything)", re.IGNORECASE),
+        (r"\b(i don’t care).{0,15}(you never think of me)", re.IGNORECASE),
+        # Passive aggression or self-victimization switch
+        (r"\b(i guess i’m just).{0,15}(the bad guy|worthless|never enough)", re.IGNORECASE),
+    ]
+
+    for pattern, flags in contradiction_phrases:
+        if re.search(pattern, message, flags):
+            contradiction_flag = True
+            break
+
+    return contradiction_flag
+    contradiction_flag = detect_contradiction(text)
+    
 def calculate_darvo_score(patterns, sentiment_before, sentiment_after, motifs_found, contradiction_flag=False):
     pattern_hits = len([p.lower() for p in patterns if p.lower() in DARVO_PATTERNS])
     pattern_score = pattern_hits / len(DARVO_PATTERNS)
@@ -76,12 +99,7 @@ def calculate_darvo_score(patterns, sentiment_before, sentiment_after, motifs_fo
 
     contradiction_score = 1.0 if contradiction_flag else 0.0
 
-    darvo_score = (
-        0.3 * pattern_score +
-        0.3 * sentiment_shift_score +
-        0.2 * motif_score +
-        0.2 * contradiction_score
-    )
+    darvo_score = calculate_darvo_score(pattern_labels_used, 0.0, sentiment_score, motif_phrases, contradiction_flag=contradiction_flag)
     return round(min(darvo_score, 1.0), 3)
 
 def custom_sentiment(text):