fallback if no results

app.py

@@ -2763,12 +2763,12 @@ def _analyze_word_with_iwnlp(word: str, top_n_value: int) -> Dict[str, Any]:
 
 # --- 7b. NEW: Word Encyclopedia (Non-Contextual) Analyzer ---
 
+# --- THIS IS THE NEW PUBLIC DISPATCHER FUNCTION ---
 # --- THIS IS THE NEW PUBLIC DISPATCHER FUNCTION ---
 def analyze_word_encyclopedia(word: str, top_n_value: Optional[float] = 0, engine_choice: str = "wiktionary") -> Dict[str, Any]:
     """
-    (PUBLIC DISPATCHER V20) Analyzes a single word using the selected engine.
-    
-    The user can now choose which engine to run.
+    (PUBLIC DISPATCHER V21) Analyzes a single word using the selected engine
+    as a starting point, then automatically falls back if no results are found.
     """
     if not word or not word.strip():
         return {"info": "Please enter a word."}
@@ -2776,45 +2776,60 @@ def analyze_word_encyclopedia(word: str, top_n_value: Optional[float] = 0, engin
     word = word.strip()
     top_n = int(top_n_value) if top_n_value is not None else 0
     result = {}
+    info_log = [] # To track which engines failed
 
     log(f"\n[Word Encyclopedia] User selected engine: '{engine_choice}' for word: '{word}'")
 
     try:
+        # --- 1. Try Wiktionary (if selected) ---
         if engine_choice == "wiktionary":
+            log(f"[DEBUG] V21 Dispatcher: Trying Wiktionary (Primary) for '{word}'...")
             result = _analyze_word_with_wiktionary(word, top_n)
-            if not result or not result.get("analysis"):
-                 result["info"] = f"Wiktionary (Primary Engine) found no results for '{word}'. You can try a fallback engine."
-
-        elif engine_choice == "hanta":
+            if result and result.get("analysis"):
+                return result # Success
+            info_log.append("Wiktionary found no results.")
+            log(f"[DEBUG] V21 Dispatcher: Wiktionary found no results for '{word}'. Falling back to HanTa...")
+
+        # --- 2. Try HanTa (if selected or as fallback) ---
+        # This block runs if:
+        #   a) User selected "hanta" OR
+        #   b) User selected "wiktionary" and it found nothing
+        if engine_choice == "hanta" or (engine_choice == "wiktionary" and not result.get("analysis")):
+            log(f"[DEBUG] V21 Dispatcher: Trying HanTa (Fallback 1) for '{word}'...")
             result = _analyze_word_with_hanta(word, top_n)
-            if not result or not result.get("analysis"):
-                 result["info"] = f"HanTa (Fallback 1) found no results for '{word}'."
-
-        elif engine_choice == "iwnlp":
+            if result and result.get("analysis"):
+                result["info"] = f"Analysis from HanTa (Fallback 1). {(' '.join(info_log))}"
+                return result # Success
+            info_log.append("HanTa found no results.")
+            log(f"[DEBUG] V21 Dispatcher: HanTa found no results for '{word}'. Falling back to IWNLP...")
+
+        # --- 3. Try IWNLP (if selected or as fallback) ---
+        # This block runs if:
+        #   a) User selected "iwnlp" OR
+        #   b) The previous engines were tried and all failed (result['analysis'] is still empty)
+        if engine_choice == "iwnlp" or (not result.get("analysis")):
+            log(f"[DEBUG] V21 Dispatcher: Trying IWNLP (Fallback 2) for '{word}'...")
             result = _analyze_word_with_iwnlp(word, top_n)
-            if not result or not result.get("analysis"):
-                 result["info"] = f"IWNLP (Fallback 2) found no results for '{word}'."
-        
-        else:
-            result = {"error": f"Unknown engine choice: {engine_choice}"}
+            if result and result.get("analysis"):
+                result["info"] = f"Analysis from IWNLP (Fallback 2). {(' '.join(info_log))}"
+                return result # Success
+            info_log.append("IWNLP found no results.")
             
     except Exception as e:
         log(f"--- Dispatcher FAILED for engine {engine_choice}: {e} ---")
         traceback.print_exc()
         return {
             "input_word": word,
-            "error": f"The '{engine_choice}' engine failed during analysis.",
+            "error": f"An engine failed during analysis.",
             "traceback": traceback.format_exc()
         }
 
-    # If the engine ran but found nothing, return a clear info message
-    if not result.get("analysis"):
-         return {
-             "input_word": word,
-             "info": result.get("info", f"The selected engine '{engine_choice}' found no valid analysis for this word.")
-         }
-
-    return result
+    # --- No engines found anything ---
+    log(f"[DEBUG] V21 Dispatcher: All engines failed to find results for '{word}'.")
+    return {
+        "input_word": word,
+        "info": f"No analysis found. All engines failed. ({' '.join(info_log)})"
+    }
 
 
 # ============================================================================