[FR][DAC] Import Rules Verbose Message (#4093)

* Draft Verbose Message

* Fix Linting

* Made more descriptive

* Updated for readability

detection_rules/kbwrap.py

@@ -94,6 +94,45 @@ def kibana_import_rules(ctx: click.Context, rules: RuleCollection, overwrite: Op
                         overwrite_exceptions: Optional[bool] = False,
                         overwrite_action_connectors: Optional[bool] = False) -> (dict, List[RuleResource]):
     """Import custom rules into Kibana."""
+    def _handle_response_errors(response: dict):
+        """Handle errors from the import response."""
+        def _parse_list_id(s: str):
+            """Parse the list ID from the error message."""
+            match = re.search(r'list_id: "(.*?)"', s)
+            return match.group(1) if match else None
+
+        # Re-try to address known Kibana issue: https://github.com/elastic/kibana/issues/143864
+        workaround_errors = []
+
+        flattened_exceptions = [e for sublist in exception_dicts for e in sublist]
+        all_exception_list_ids = {exception["list_id"] for exception in flattened_exceptions}
+
+        click.echo(f'{len(response["errors"])} rule(s) failed to import!')
+
+        for error in response['errors']:
+            click.echo(f' - {error["rule_id"]}: ({error["error"]["status_code"]}) {error["error"]["message"]}')
+
+            if "references a non existent exception list" in error["error"]["message"]:
+                list_id = _parse_list_id(error["error"]["message"])
+                if list_id in all_exception_list_ids:
+                    workaround_errors.append(error["rule_id"])
+
+        if workaround_errors:
+            workaround_errors = list(set(workaround_errors))
+            click.echo(f'Missing exception list errors detected for {len(workaround_errors)} rules. '
+                       'Try re-importing using the following command and rule IDs:\n')
+            click.echo('python -m detection_rules kibana import-rules -o ', nl=False)
+            click.echo(' '.join(f'-id {rule_id}' for rule_id in workaround_errors))
+            click.echo()
+
+    def _process_imported_items(imported_items_list, item_type_description, item_key):
+        """Displays appropriately formatted success message that all items imported successfully."""
+        all_ids = {item[item_key] for sublist in imported_items_list for item in sublist}
+        if all_ids:
+            click.echo(f'{len(all_ids)} {item_type_description} successfully imported')
+            ids_str = '\n - '.join(all_ids)
+            click.echo(f' - {ids_str}')
+
     kibana = ctx.obj['kibana']
     rule_dicts = [r.contents.to_api_format() for r in rules]
     with kibana:
@@ -113,43 +152,15 @@ def kibana_import_rules(ctx: click.Context, rules: RuleCollection, overwrite: Op
             overwrite_action_connectors=overwrite_action_connectors
         )
 
-    def handle_response_errors(response: dict):
-        """Handle errors from the import response."""
-        def parse_list_id(s: str):
-            """Parse the list ID from the error message."""
-            match = re.search(r'list_id: "(.*?)"', s)
-            return match.group(1) if match else None
-
-        # Re-try to address known Kibana issue: https://github.com/elastic/kibana/issues/143864
-        workaround_errors = []
-
-        flattened_exceptions = [e for sublist in exception_dicts for e in sublist]
-        all_exception_list_ids = {exception["list_id"] for exception in flattened_exceptions}
-
-        click.echo(f'{len(response["errors"])} rule(s) failed to import!')
-
-        for error in response['errors']:
-            click.echo(f' - {error["rule_id"]}: ({error["error"]["status_code"]}) {error["error"]["message"]}')
-
-            if "references a non existent exception list" in error["error"]["message"]:
-                list_id = parse_list_id(error["error"]["message"])
-                if list_id in all_exception_list_ids:
-                    workaround_errors.append(error["rule_id"])
-
-        if workaround_errors:
-            workaround_errors = list(set(workaround_errors))
-            click.echo(f'Missing exception list errors detected for {len(workaround_errors)} rules. '
-                       'Try re-importing using the following command and rule IDs:\n')
-            click.echo('python -m detection_rules kibana import-rules -o ', nl=False)
-            click.echo(' '.join(f'-id {rule_id}' for rule_id in workaround_errors))
-            click.echo()
-
     if successful_rule_ids:
         click.echo(f'{len(successful_rule_ids)} rule(s) successfully imported')
         rule_str = '\n - '.join(successful_rule_ids)
         click.echo(f' - {rule_str}')
     if response['errors']:
-        handle_response_errors(response)
+        _handle_response_errors(response)
+    else:
+        _process_imported_items(exception_dicts, 'exception list(s)', 'list_id')
+        _process_imported_items(action_connectors_dicts, 'action connector(s)', 'id')
 
     return response, results