fix tag

gitutility/app.py

@@ -1475,6 +1475,73 @@ class GitSvnSyncApp:
             context_dict={"context": "refresh_tags", "status_msg": "Refreshing tags"},
         )
     # ... e tutti gli altri metodi launcher invariati...
+    
+    def _generate_next_tag_suggestion(self, svn_path: str) -> str:
+        """
+        Analyzes existing tags and suggests the next logical tag name based on
+        a 'v.X.X.X.X' pattern. Increments the last number.
+        """
+        func_name: str = "_generate_next_tag_suggestion"
+        log_handler.log_debug("Generating next tag suggestion...", func_name=func_name)
+        
+        # Default suggestion if no matching tags are found
+        default_suggestion: str = "v.0.0.0.1"
+        
+        # Regex to find tags matching the specific version pattern
+        tag_pattern = re.compile(r"^v\.(\d+)\.(\d+)\.(\d+)\.(\d+)$")
+        
+        try:
+            # Get all tags sorted by creation date (newest first)
+            tags_data: list[tuple[str, str]] = self.git_commands.list_tags(svn_path)
+            
+            if not tags_data:
+                log_handler.log_debug("No existing tags found. Suggesting default.", func_name=func_name)
+                return default_suggestion
+
+            # Find the latest tag that matches the pattern
+            latest_valid_tag: Optional[str] = None
+            for tag_name, _ in tags_data:
+                match = tag_pattern.match(tag_name)
+                if match:
+                    latest_valid_tag = tag_name
+                    log_handler.log_debug(
+                        f"Found latest tag matching pattern: {latest_valid_tag}",
+                        func_name=func_name,
+                    )
+                    break # Stop at the first (newest) match
+            
+            if not latest_valid_tag:
+                log_handler.log_debug("No tags matched the pattern. Suggesting default.", func_name=func_name)
+                return default_suggestion
+
+            # Increment the version number
+            match = tag_pattern.match(latest_valid_tag)
+            if not match:
+                # This should be unreachable if latest_valid_tag was set, but for safety:
+                log_handler.log_error(f"Internal error: Could not re-match tag {latest_valid_tag}", func_name=func_name)
+                return default_suggestion
+                
+            v1, v2, v3, v4 = map(int, match.groups())
+            
+            limit: int = 99 # Your versioning limit
+            v4 += 1
+            if v4 > limit:
+                v4 = 0
+                v3 += 1
+            if v3 > limit:
+                v3 = 0
+                v2 += 1
+            if v2 > limit:
+                v2 = 0
+                v1 += 1
+            
+            next_tag: str = f"v.{v1}.{v2}.{v3}.{v4}"
+            log_handler.log_debug(f"Generated suggestion: {next_tag}", func_name=func_name)
+            return next_tag
+            
+        except Exception as e:
+            log_handler.log_exception(f"Error generating tag suggestion: {e}", func_name=func_name)
+            return default_suggestion
 
     # --- NUOVI METODI PER LA PULIZIA DELLA STORIA ---
     def analyze_and_clean_history(self):